fix(webui): bind consequential address actions to help

.gitea/workflows/module-package-release.yml

@@ -0,0 +1,270 @@
+name: Module Package Release
+
+on:
+  push:
+    tags:
+      - "v*"
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        description: Existing protected version tag to publish
+        required: true
+        type: string
+
+jobs:
+  publish-packages:
+    runs-on: ubuntu-latest
+    env:
+      GITEA_REPOSITORY: ${{ gitea.repository }}
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065
+        with:
+          python-version: "3.12"
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
+        with:
+          node-version: "22"
+      - name: Select and validate protected release tag
+        shell: bash
+        env:
+          REQUESTED_TAG: ${{ inputs.release_tag }}
+          TRIGGER_TAG: ${{ gitea.ref_name }}
+        run: |
+          set -euo pipefail
+          tag="${REQUESTED_TAG:-$TRIGGER_TAG}"
+          case "$tag" in
+            v[0-9]*.[0-9]*.[0-9]*) ;;
+            *) echo "Release tag must start with a SemVer-shaped vX.Y.Z value" >&2; exit 1 ;;
+          esac
+          git fetch --force origin "refs/tags/$tag:refs/tags/$tag" refs/heads/main:refs/remotes/origin/main
+          tag_commit="$(git rev-list -n 1 "$tag")"
+          git merge-base --is-ancestor "$tag_commit" refs/remotes/origin/main || {
+            echo "Release tag is not contained in main" >&2
+            exit 1
+          }
+          git checkout --detach "$tag"
+          printf 'RELEASE_TAG=%s\n' "$tag" >> "$GITEA_ENV"
+          printf 'SOURCE_DATE_EPOCH=%s\n' "$(git show -s --format=%ct HEAD)" >> "$GITEA_ENV"
+      - name: Validate package versions
+        run: |
+          python - <<'PY'
+          import json
+          from pathlib import Path
+          import os
+          import re
+          import tomllib
+
+          tag = os.environ["RELEASE_TAG"]
+          expected = tag.removeprefix("v")
+          project = tomllib.loads(Path("pyproject.toml").read_text(encoding="utf-8"))["project"]
+          if project.get("version") != expected:
+              raise SystemExit(f"pyproject version {project.get('version')!r} does not match {tag}")
+          if re.fullmatch(r"govoplan-[a-z0-9-]+", str(project.get("name", ""))) is None:
+              raise SystemExit("Python distribution name must use the govoplan-* namespace")
+          webui = Path("webui/package.json")
+          if webui.is_file():
+              package = json.loads(webui.read_text(encoding="utf-8"))
+              if package.get("version") != expected:
+                  raise SystemExit(f"WebUI version {package.get('version')!r} does not match {tag}")
+              if re.fullmatch(r"@govoplan/[a-z0-9-]+-webui", str(package.get("name", ""))) is None:
+                  raise SystemExit("WebUI package name must use the @govoplan/*-webui namespace")
+              release = Path("webui/package.release.json")
+              if release.is_file():
+                  release_package = json.loads(release.read_text(encoding="utf-8"))
+                  if (
+                      release_package.get("name") != package.get("name")
+                      or release_package.get("version") != expected
+                  ):
+                      raise SystemExit("WebUI release package identity does not match package.json and the release tag")
+          PY
+      - name: Build immutable package artifacts
+        shell: bash
+        run: |
+          set -euo pipefail
+          python -m pip install --disable-pip-version-check build==1.5.0 twine==7.0.0
+          rm -rf dist .package-webui
+          python -m build --wheel --outdir dist
+          python -m twine check dist/*.whl
+          if [[ -f webui/package.json ]]; then
+            mkdir .package-webui
+            cp -a webui/. .package-webui/
+            rm -rf .package-webui/node_modules .package-webui/dist
+            if [[ -f .package-webui/package.release.json ]]; then
+              cp .package-webui/package.release.json .package-webui/package.json
+            fi
+          node <<'NODE'
+          const fs = require("node:fs");
+          const path = ".package-webui/package.json";
+          const packageJson = JSON.parse(fs.readFileSync(path, "utf8"));
+          const groups = ["dependencies", "optionalDependencies", "peerDependencies"];
+          for (const group of groups) {
+            for (const [name, specifier] of Object.entries(packageJson[group] || {})) {
+              if (!name.startsWith("@govoplan/")) continue;
+              if (typeof specifier !== "string") {
+                throw new Error(`${group}.${name} must use a string version`);
+              }
+              const packageSlug = name.slice("@govoplan/".length);
+              if (!packageSlug.endsWith("-webui")) {
+                throw new Error(`${group}.${name} is outside the WebUI package namespace`);
+              }
+              const repository = `govoplan-${packageSlug.slice(0, -"-webui".length)}`;
+              const escapedRepository = repository.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+              const gitTag = specifier.match(
+                new RegExp(
+                  `^git\\+(?:ssh://git@|https://)git\\.add-ideas\\.de/(?:GovOPlaN|add-ideas)/${escapedRepository}\\.git#v([0-9]+\\.[0-9]+\\.[0-9]+)$`,
+                ),
+              );
+              if (gitTag) {
+                packageJson[group][name] = gitTag[1];
+                continue;
+              }
+              if (specifier.startsWith("file:") || specifier.startsWith("git+")) {
+                throw new Error(
+                  `${group}.${name} must resolve to an exact registry version for publication`,
+                );
+              }
+            }
+          }
+          delete packageJson.private;
+          fs.writeFileSync(path, `${JSON.stringify(packageJson, null, 2)}\n`);
+          NODE
+            npm pkg delete private --prefix .package-webui
+            (cd .package-webui && npm pack --ignore-scripts --pack-destination ../dist)
+          fi
+          python - <<'PY'
+          import hashlib
+          import json
+          from pathlib import Path
+          import os
+          import subprocess
+
+          artifacts = []
+          for path in sorted(Path("dist").iterdir()):
+              if path.suffix not in {".whl", ".tgz"}:
+                  continue
+              digest = hashlib.sha256(path.read_bytes()).hexdigest()
+              artifacts.append({"filename": path.name, "sha256": digest, "size": path.stat().st_size})
+          payload = {
+              "schema_version": "1",
+              "repository": os.environ["GITEA_REPOSITORY"],
+              "tag": os.environ["RELEASE_TAG"],
+              "commit": subprocess.check_output(["git", "rev-parse", "HEAD"], text=True).strip(),
+              "artifacts": artifacts,
+          }
+          Path("dist/package-artifacts.json").write_text(
+              json.dumps(payload, indent=2, sort_keys=True) + "\n",
+              encoding="utf-8",
+          )
+          PY
+      - name: Retain package hash evidence
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32
+        with:
+          name: module-packages-${{ gitea.ref_name }}
+          path: dist/package-artifacts.json
+      - name: Check immutable registry state
+        shell: bash
+        env:
+          PACKAGE_TOKEN: ${{ secrets.GOVOPLAN_PACKAGE_TOKEN }}
+        run: |
+          set -euo pipefail
+          test -n "$PACKAGE_TOKEN"
+          python - <<'PY'
+          import hashlib
+          import json
+          import os
+          from pathlib import Path
+          import tomllib
+          from urllib.error import HTTPError
+          from urllib.parse import quote
+          from urllib.request import Request, urlopen
+
+          api_root = "https://git.add-ideas.de/api/v1/packages/GovOPlaN"
+          token = os.environ["PACKAGE_TOKEN"]
+
+          def should_publish(kind, name, version, path):
+              package_url = "/".join(
+                  (api_root, kind, quote(name, safe=""), quote(version, safe=""), "files")
+              )
+              request = Request(
+                  package_url,
+                  headers={"Accept": "application/json", "Authorization": f"token {token}"},
+              )
+              try:
+                  with urlopen(request, timeout=30) as response:
+                      files = json.load(response)
+              except HTTPError as exc:
+                  if exc.code == 404:
+                      print(f"{kind} package {name}=={version} is not published yet")
+                      return True
+                  raise
+              if not isinstance(files, list) or len(files) != 1:
+                  raise SystemExit(
+                      f"immutable {kind} package {name}=={version} has an unexpected file set"
+                  )
+              expected_sha256 = hashlib.sha256(path.read_bytes()).hexdigest()
+              if files[0].get("sha256") != expected_sha256:
+                  raise SystemExit(
+                      f"immutable {kind} package {name}=={version} already exists with a different SHA-256"
+                  )
+              print(f"verified existing {kind} package {name}=={version} ({expected_sha256})")
+              return False
+
+          project = tomllib.loads(Path("pyproject.toml").read_text(encoding="utf-8"))["project"]
+          wheels = tuple(Path("dist").glob("*.whl"))
+          if len(wheels) != 1:
+              raise SystemExit("release build must contain exactly one wheel")
+          publish_pypi = should_publish(
+              "pypi", str(project["name"]), str(project["version"]), wheels[0]
+          )
+
+          tarballs = tuple(Path("dist").glob("*.tgz"))
+          if len(tarballs) > 1:
+              raise SystemExit("release build must contain at most one npm package")
+          publish_npm = False
+          if tarballs:
+              webui = json.loads(
+                  Path(".package-webui/package.json").read_text(encoding="utf-8")
+              )
+              publish_npm = should_publish(
+                  "npm", str(webui["name"]), str(webui["version"]), tarballs[0]
+              )
+
+          with Path(os.environ["GITEA_ENV"]).open("a", encoding="utf-8") as env_file:
+              env_file.write(f"PUBLISH_PYPI={int(publish_pypi)}\n")
+              env_file.write(f"PUBLISH_NPM={int(publish_npm)}\n")
+          PY
+      - name: Publish wheel and WebUI package
+        shell: bash
+        env:
+          PACKAGE_USERNAME: ${{ secrets.GOVOPLAN_PACKAGE_USERNAME }}
+          PACKAGE_TOKEN: ${{ secrets.GOVOPLAN_PACKAGE_TOKEN }}
+        run: |
+          set -euo pipefail
+          test -n "$PACKAGE_USERNAME"
+          test -n "$PACKAGE_TOKEN"
+          if [[ "$PUBLISH_PYPI" == 1 ]]; then
+            TWINE_USERNAME="$PACKAGE_USERNAME" TWINE_PASSWORD="$PACKAGE_TOKEN" \
+              python -m twine upload --non-interactive \
+                --repository-url https://git.add-ideas.de/api/packages/GovOPlaN/pypi \
+                dist/*.whl
+          else
+            echo "Exact wheel is already present; skipping immutable retry."
+          fi
+          shopt -s nullglob
+          webui_packages=(dist/*.tgz)
+          if (( ${#webui_packages[@]} )) && [[ "$PUBLISH_NPM" == 1 ]]; then
+            npmrc="$(mktemp)"
+            trap 'rm -f "$npmrc"' EXIT
+            chmod 600 "$npmrc"
+            printf '%s\n' \
+              '@govoplan:registry=https://git.add-ideas.de/api/packages/GovOPlaN/npm/' \
+              "//git.add-ideas.de/api/packages/GovOPlaN/npm/:_authToken=$PACKAGE_TOKEN" \
+              > "$npmrc"
+            NPM_CONFIG_USERCONFIG="$npmrc" npm publish "./${webui_packages[0]}" \
+              --ignore-scripts --access public \
+              --registry https://git.add-ideas.de/api/packages/GovOPlaN/npm/
+          elif (( ${#webui_packages[@]} )); then
+            echo "Exact WebUI package is already present; skipping immutable retry."
+          fi

.gitignore

@@ -142,11 +142,13 @@ dist
 .policy-test-build/
 .template-preview-test-build/
 .import-test-build/
+.import-run-test-build/
 webui/.component-test-build/
 webui/.module-test-build/
 webui/.policy-test-build/
 webui/.template-preview-test-build/
 webui/.import-test-build/
+webui/.import-run-test-build/
 
 # ---> Python
 # Byte-compiled / optimized / DLL files

AGENTS.md

@@ -0,0 +1,16 @@
+# GovOPlaN Addresses Codex Guide
+
+## Scope
+
+This repository owns reusable postal and electronic address records, address books, normalization, and governed address references for consuming modules.
+
+## Documentation Contract
+
+- Treat documentation as part of every behavior change. Update this module's manifest-driven `DocumentationTopic` contributions for affected user and administrator behavior.
+- Keep feature content here; `govoplan-docs` projects it without importing Addresses internals.
+- Maintain a static user/admin baseline and run `/mnt/DATA/git/govoplan/tools/checks/check-manifest-shapes.py` after behavior or manifest changes.
+
+## Boundaries
+
+- Keep identity and organization ownership in their respective modules.
+- Expose optional integrations through Core capabilities and typed references.

README.md

@@ -5,9 +5,8 @@
 <!-- govoplan-repository-type:end -->
 
 `govoplan-addresses` is the reusable address and recipient-source module. It
-owns long-lived address directories and makes them available to campaigns,
+owns long-lived address directories and contact points and makes them available
-mail, forms, reporting, portal, and postbox modules through platform
+to consumers through platform capabilities.
-capabilities.
 
 The campaign module may import campaign-local recipient tables, but reusable
 address management belongs here.
@@ -21,8 +20,14 @@ tenant summaries, and uninstall guards.
 
 The first UI supports user, group, tenant, and system-scoped address books,
 multi-value contact methods, soft deletion, restore, read-only lookup/search,
-and vCard import/export for common contact fields. Imported vCards preserve
+and vCard import/export for common contact fields. Multi-file vCard imports now
-source payload and revision metadata for later sync/conflict work.
+create a persisted preview before mutation, expose duplicate suggestions and
+per-card create/update/ignore choices, reject stale plans, and make identical
+commit retries idempotent. Pending batches can be reloaded or cancelled.
+Address-book, address-list, and selected-contact exports explicitly support
+vCard 3.0 or 4.0 with deterministic ordering and a recorded content hash.
+Imported vCards preserve source payload and revision metadata for later
+sync/conflict work, while batch diagnostics expose only bounded metadata.
 
 The backend and WebUI also support classical address lists: reusable groupings
 of contacts or specific contact methods within one address book. Campaigns can
@@ -43,6 +48,16 @@ inspection UI are implemented. The conflict review UI compares stored local and
 remote field payloads, can apply a stored remote vCard payload, and supports
 manual per-field local/remote merge choices.
 
+Address quality and duplicate handling are implemented as an operator workflow.
+Contact points retain both their original and normalized values, field-level
+provenance is append-only, and current quality states can mark a point valid,
+invalid, returned, stale, or undeliverable. Those states flow into recipient
+resolution with stable reason codes. The quality dialog shows bounded,
+explainable duplicate suggestions and a correction queue. Merges record explicit
+survivorship decisions, repair address-list memberships, preserve redirects for
+stored contact references, and can be undone or split while the post-merge
+evidence hash still matches.
+
 API-managed CardDAV credentials are encrypted inside the source record. Source
 deletion physically removes that credential material and records a non-secret
 audit event in the same database transaction; destructive module retirement
@@ -54,9 +69,9 @@ deletion because Addresses cannot prove that it owns them.
 
 `govoplan-addresses` owns:
 
-- Adrema-style person, organization, household, and postal-address records
+- scoped address books, vCard-compatible contacts, and postal/email/phone
-- reusable email address lists and postal-letter recipient views
+  contact points
-- segments and reusable recipient-source definitions
+- classical address-only lists and recipient-source views
 - consent, legal-basis, and communication-preference metadata
 - deduplication, merge, and address quality workflows
 - import/export of reusable address directories
@@ -69,17 +84,37 @@ It must not own:
 - SMTP/IMAP transport
 - file storage
 - global identity authentication or RBAC evaluation
+- typed IDM groups, identity relationships, organization structures, or
+  effective function assignments
 - operational distribution lists/`Verteiler` with mixed recipient types
 
-## First Capabilities
+## Capabilities
 
-The module exposes three core-mediated capabilities:
+The module exposes core-mediated capabilities for:
 
 - `addresses.lookup`: read-only contact/recipient lookup for autocomplete.
 - `addresses.recipient_source`: immutable recipient snapshots for campaign,
   reporting, mail-build, forms, portal, and postbox workflows.
 - `addresses.contact_writer`: address-book-scoped write decisions and contact
   creation for local or otherwise writable sources.
+- `addresses.contact_point_resolution`: purpose-aware, channel-neutral
+  resolution and immutable snapshots for email, postal, internal-mail, and
+  portal targets.
+- `addresses.people_search`: privacy-aware contact candidates for shared people
+  pickers.
+- `distribution.recipient_channel_facts`: current channel, governance, and
+  quality facts for distribution and Policy consumers.
+- `privacy.dsar.addresses`: tenant-bounded, minimized data-subject discovery
+  across contacts, contact points, list use, governance, provenance,
+  synchronization evidence, and operator attribution.
+
+The DSAR provider accepts corroborated email/account selectors and namespaced
+Addresses references. It does not export connector state, raw import or sync
+payloads, opaque metadata, snapshot payloads, or merge before/after payloads.
+Reusable contacts are never deleted automatically: shared/synchronized contact
+changes require an authorized dependency review through the ordinary Addresses
+workflows, while governance, quality, merge, sync, import, and attribution
+evidence is retained with an explicit reason.
 
 `addresses.recipient_source` returns:
 
@@ -97,10 +132,13 @@ address. Email-oriented consumers snapshot email targets and whole-contact
 entries with a usable email address; postal-only entries remain valid list
 members for later postal/document workflows.
 
-Consumers must store their own immutable snapshot when they need historical
+Legacy `addresses.recipient_source` consumers must store their own immutable
-evidence. The addresses module remains the owner of the reusable source, not of
+snapshot when they need historical evidence. Channel-neutral consumers may use
-the consumer's historical records. Consumers must resolve these capabilities
+the dedicated freeze operation described below. The addresses module remains
-through the platform registry and must not import address ORM/service internals.
+the owner of reusable sources; domain consumers remain responsible for linking
+their own records to snapshot evidence. Consumers must resolve these
+capabilities through the platform registry and must not import address
+ORM/service internals.
 
 `addresses.contact_writer` returns an explicit decision before a consumer shows
 or executes write actions: allowed/blocked, reason, user-facing message,
@@ -108,7 +146,36 @@ required scopes, source kind, read-only state, and provenance. The decision is
 address-book specific; broader policy modules may later contribute to the same
 decision path, but consumers should not import or duplicate policy logic.
 
+For channel-neutral consumers, `addresses.contact_point_resolution` supersedes
+the email-only shape without removing it. It accepts local contact IDs and
+stable provider references such as `idm:identity:<id>`, applies an effective
+date, communication purpose, address purpose, fallback rule, locale, and
+domestic/international postal formatting, and returns candidates plus excluded
+targets with stable reason codes. Bounded previews are live. A frozen snapshot
+stores the complete values, source and governance revisions, provenance, and a
+deterministic hash in Addresses so later contact edits cannot rewrite evidence.
+
+The corresponding HTTP API is available below `/api/v1/addresses`:
+
+- `POST /contact-points/resolve`
+- `POST /contact-point-sources/preview`
+- `POST /contact-point-snapshots`
+- `GET /contact-point-snapshots/{snapshot_id}`
+
+Quality, provenance, and reversible merge operations are available through:
+
+- `GET /address-books/{book_id}/quality-summary`
+- `GET /address-books/{book_id}/duplicate-suggestions`
+- `GET|POST /contacts/{contact_id}/quality-decisions`
+- `GET /contacts/{contact_id}/provenance`
+- `GET /contacts/{contact_id}/redirect`
+- `GET|POST /contact-merges`
+- `POST /contact-merges/{merge_id}/undo`
+- `POST /contact-merges/{merge_id}/split`
+
 ## Design Documents
 
 - [Address module architecture](docs/ADDRESS_MODULE_ARCHITECTURE.md)
 - [Implementation plan](docs/IMPLEMENTATION_PLAN.md)
+- [Address quality and reversible merges](docs/QUALITY_AND_MERGE.md)
+- [AdreMa capability assessment and Distribution Lists roadmap](https://git.add-ideas.de/GovOPlaN/govoplan-dist-lists/src/branch/main/docs/ADREMA_CAPABILITY_ASSESSMENT.md)

docs/ADDRESS_MODULE_ARCHITECTURE.md

@@ -17,7 +17,7 @@ targets layered on top of the same local model and sync contracts.
 `govoplan-addresses` owns:
 
 - scoped address books
-- contacts, organizations, households, and postal/email/phone address data
+- vCard-compatible contacts and postal/email/phone contact-point data
 - vCard import/export and vCard-compatible field mapping
 - reusable recipient sources and classical address lists
 - contact tags, categories, communication preferences, consent, and legal basis
@@ -31,9 +31,12 @@ It does not own:
 - mail transport, mailbox access, or delivery queues
 - calendar events or iCalendar event storage
 - global identity authentication or authorization decisions
-- organization structure or internal function assignments
+- IDM identities, typed groups, effective-dated relationships, or identity
-- operational distribution lists/`Verteiler` with mixed users, identities,
+  lifecycle state
-  groups, functions, roles, raw recipients, and nested lists
+- organization structures, units, function definitions, or function
+  assignments
+- operational distribution lists/`Verteiler` with mixed address contacts, IDM
+  identities/groups, functions, raw targets, Dataflow rows, and nested lists
 
 ## Scopes
 
@@ -55,7 +58,8 @@ fields:
 - name components and formatted names
 - nicknames and display names
 - email addresses, phone numbers, postal addresses, URLs, notes, categories
-- organizations, titles, roles, departments, and relationships
+- organization, title, role, department, `KIND`, and `RELATED` values needed for
+  vCard round-trip compatibility
 - birthday/anniversary where allowed by policy
 - photos/avatars where storage and privacy policy allow them
 - calendar or scheduling addresses where present
@@ -66,7 +70,8 @@ representation for import/export and conflict handling.
 
 The local baseline implements scoped address books, contacts, normalized
 email/phone/postal-address tables, tags, source kind/reference fields,
-first-class source payload/revision fields, and provenance JSON. Imported
+first-class source payload/revision fields, preserved original contact-point
+values, and append-only field provenance. Imported
 vCards preserve raw source payload and revision metadata for audit/debugging.
 Sync sources, attempt state, tombstones, conflicts, and diagnostics are now
 first-class backend tables and API resources. Connector-specific diffing,
@@ -83,6 +88,8 @@ The first stable capabilities are:
   campaign, scheduling, postbox, portal, and case workflows.
 - `addresses.contact_writer`: provide address-book-scoped write target decisions
   and contact creation for local or otherwise writable sources.
+- `addresses.contact_point_resolution` version 1.x: resolve channel-neutral
+  contact points and freeze immutable recipient evidence.
 
 Capabilities use DTOs and source IDs. Consumers must not receive ORM objects or
 write address tables directly. Consumers that need historical evidence must
@@ -92,10 +99,24 @@ provenance; they must not treat live address records as historical evidence.
 `addresses.recipient_source` exposes both complete address books and classical
 address lists. Address-book sources use `addresses:address_book:<id>`.
 Address-list sources use `addresses:address_list:<id>` and include the
-address-list entry ID in each recipient's provenance. The current snapshot DTO
+address-list entry ID in each recipient's provenance. The legacy snapshot DTO
-is email-recipient oriented; postal-only list entries are valid address-list
+remains email-oriented for compatible campaign consumers.
-members but are skipped by the email recipient-source path until postal
+
-recipient DTOs are added.
+Channel-neutral consumers use `addresses.contact_point_resolution`, which
+supports email, postal, internal-mail, and portal targets, including postal-only
+address-list entries. Requests make effective date, communication purpose,
+address purpose, fallback behavior, locale, and domestic/international postal
+formatting explicit. Results retain stable subject/contact/contact-point IDs,
+source, preference and consent revisions, provenance, and reasons for excluded
+or unresolved candidates.
+
+Live previews are bounded to 500 rows per page and 20,000 source members per
+request. Frozen snapshots persist resolved values and exclusions with a
+deterministic hash; reading a snapshot never resolves the live contact again.
+Mixed-audience expansion and final cross-provider Policy/channel decisions
+remain owned by Distribution Lists and Policy. The contract is defined in Core,
+and Addresses does not import IDM, Organizations, or Distribution Lists
+implementations.
 
 The writer capability is intentionally address-book specific. It answers
 whether the current principal may perform an operation such as `create_contact`,
@@ -155,19 +176,106 @@ module retirement audits all remaining owned credential material before table
 removal. An unowned legacy reference is detached rather than passed to an
 external secret provider.
 
+LDAP and Active Directory use the same source, plan, diagnostic, tombstone, and
+provider-health records. Endpoints must use LDAPS or StartTLS and may reference
+only a visible reusable credential envelope; bind secrets are never copied into
+source metadata. Root-DSE discovery returns candidate base DNs. A configured
+source performs bounded paged searches and maps explicit attributes to contact
+fields. Stable source keys plus `modifyTimestamp`, `uSNChanged`, `entryCSN`, or
+a deterministic attribute digest make refreshes idempotent. Only a complete
+successful search can infer deletion. A timeout, bind failure, malformed entry,
+duplicate key, or configured entry limit retains existing contacts and reports
+the source as failed/stale instead of creating tombstones.
+
+## Static Mapped Imports
+
+CSV, XLSX, and LDIF use versioned, scoped mapping profiles rather than live sync
+sources. Profiles retain delimiter, encoding, header or worksheet selection,
+stable source-key mapping, field mappings, locale and tags, row limits, and
+explicit duplicate, blank-value, and existing-contact policies. Updating a
+profile creates an immutable next version; prior import runs continue to point
+at the reviewed version.
+
+Preview decodes at most 10 MB and 10,000 rows, validates every referenced
+column and source key, and returns an effect or diagnostic for every data row.
+XLSX parsing is read-only; formulas are rejected and macros/legacy workbook
+formats are not accepted. The input SHA-256 and deterministic plan hash are
+stored with full effects. Apply uses exactly that plan, rejects changed target
+contacts, and is idempotent. Created IDs and pre-update snapshots provide a
+guarded rollback: rollback proceeds only while each imported contact still
+matches its recorded post-apply hash. Arbitrary transforms remain Dataflow's
+responsibility; Files and Datasources are optional origins, not prerequisites
+for direct upload.
+
+LDIF is unfolded and parsed as a bounded stream of entries. Attribute names are
+case-insensitive; UTF-8 and base64-encoded text and repeated values are retained
+for mapping, while binary and URL values produce diagnostics and are never
+projected or fetched. The default change-record policy rejects change records.
+A profile can instead ignore them, or treat `changetype: add` as a static entry;
+modify and delete records are never translated into contact mutations. Entry
+hashes, input/plan hashes, mapping-version provenance, and the same correction
+and guarded rollback lifecycle apply as for CSV and XLSX.
+
+Persisted import runs can be resumed through `/address-book?import_run=<id>`.
+The WebUI reloads the bounded run projection, selects its address book and
+mapping version, and restores statistics, diagnostics, effects, and lifecycle
+state. Apply and rollback both carry the reviewed plan hash. The normal read
+projection never includes uploaded bytes or private before-images, and an
+unknown, expired, hidden, or cross-tenant id is presented as one unavailable
+state so the deep link cannot enumerate another tenant's imports.
+
+## Quality, Deduplication, And Recovery
+
+Quality is evidence about a concrete contact point, separate from communication
+consent or Policy. Effective decisions use one of `valid`, `invalid`,
+`returned`, `stale`, or `undeliverable`, retain reason/evidence references, and
+end an overlapping prior decision rather than rewriting history. Recipient
+capabilities project the current decision into a stable status and reason code;
+consumers can exclude invalid points or explicitly handle stale points without
+copying Addresses rules.
+
+Duplicate suggestions are bounded to 500 scanned contacts and 100 returned
+pairs. Every score is composed from visible exact-match features such as a
+normalized email, phone, postal address, or name/organization combination. A
+suggestion does not mutate data.
+
+A merge is an explicit, transactional decision. The caller selects a surviving
+contact, scalar-field sources, source precedence, and either union or
+survivor-only contact-point handling. The merge records before/after evidence
+and hashes, field/contact-point decisions, copied quality/governance evidence,
+and stable loser-to-winner redirects. Address-list entries are repointed in the
+same transaction. Undo and split restore the recorded contacts and memberships
+only when the current evidence still matches the post-merge hash; later edits
+must be reconciled first. Core change-sequence evidence is always written. Core
+audit entries are written by HTTP mutation routes without requiring the
+optional Audit module.
+
 ## Connector Direction
 
 Implement connectors in this order:
 
 1. vCard import/export and batch import.
 2. CardDAV address books.
-3. LDAP/Active Directory read-only directories.
+3. LDAP/Active Directory read-only directories and reusable CSV/XLSX mapping
-4. Exchange/Microsoft 365 and Google Contacts.
+   profiles (implemented).
-5. CSV/XLSX/LDIF import mapping profiles.
+4. [Microsoft Graph for Microsoft 365](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/16),
+   [explicit on-premises Exchange profiles](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/17),
+   and [Google People](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/18).
+5. [LDIF import](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/20)
+   and [selective/large-batch vCard workflows](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/21).
+
+The live connectors use the existing sync-source model. LDAP is read-only;
+Microsoft Graph and Google start with read-only/import and gate two-way mode on
+conditional-write and outcome-reconciliation tests. On-premises Exchange first
+probes and records an explicit supported server/API profile. CSV/XLSX, LDIF,
+and uploaded vCard are static one-way imports, not writable remote sources.
 
 Connector runtime behavior should reuse shared connector concepts where useful:
 configured endpoints, credentials, dry-run, diagnostics, rate limits, and audit
-events.
+events. The shared contract work is tracked in
+[`govoplan-connectors#8`](https://git.add-ideas.de/GovOPlaN/govoplan-connectors/issues/8);
+Addresses remains the owner of contact mapping, provenance, quality, and sync
+state.
 
 ## Cross-Module Integration
 
@@ -180,19 +288,26 @@ stable IDs while keeping their own domain evidence. Cross-module UI must hide
 write actions when no writable target exists, or show the writer decision
 message when a disabled action remains visible for context.
 
-Operational distribution lists belong in `govoplan-dist-lists`. They may later
+Operational distribution lists and reusable dynamic segments belong in
-consume address lists as one entry type, but they own mixed recipient expansion
+`govoplan-dist-lists`. They may consume address lists as one entry type, but
-for users, identities, organization units, groups, functions, roles, raw
+they own mixed recipient expansion for address contacts, IDM identities and
-recipients, and nested lists. Workflow and Tasks own `Umlauf` execution state;
+typed groups, organization units, functions/effective incumbents, raw targets,
+Dataflow-backed rows, and nested lists. Workflow owns `Umlauf` execution state;
 distribution lists define who is included, not how work circulates.
 
+Organizations owns unit and function definitions. IDM owns effective-dated
+identity-to-function assignments and typed group relationships. Identity
+lifecycle status is not a business audience status; a selectable business
+status is represented by a group, function, or effective-dated relationship.
+Addresses may link contact points to stable provider references without copying
+those provider-owned facts.
+
 ## Deferred Work
 
 The following are valuable but not required for the first functional milestone:
 
-- automatic deduplication and merge suggestions
 - two-way sync conflict UI
 - Microsoft/Google connectors
-- household and relationship editing
+- richer vCard `KIND`/`RELATED` round-trip and provider-reference linking
 - advanced consent-policy automation
 - contact activity timeline across all modules

docs/IMPLEMENTATION_PLAN.md

@@ -73,6 +73,11 @@ Tasks:
 - [x] define immutable recipient snapshot DTOs
 - [x] expose source provenance in capability responses
 - [x] expose classical address lists as `addresses.recipient_source` sources
+- [x] expose versioned channel-neutral contact-point resolution for local and
+      stable provider subject references
+- [x] support purpose/address-purpose selection, deterministic fallback,
+      locale, and domestic/international postal rendering
+- [x] add bounded source previews and immutable postal/email snapshots
 - [x] add module presence/capability tests
 - [x] document consumer rules for campaign, mail, scheduling, portal, postbox, and
   reporting
@@ -82,6 +87,8 @@ Exit criteria:
 - [x] campaign can request a recipient source via core-mediated capability
 - [x] mail/scheduling can request autocomplete candidates via core-mediated lookup
 - [x] consumers do not import `govoplan_addresses`
+- [x] postal-only contacts/list entries can be resolved without changing the
+      legacy email recipient-source contract
 
 ## Milestone 4: Campaign Integration
 
@@ -212,16 +219,22 @@ Primary issues: `govoplan-addresses#8`, `govoplan-addresses#9`,
 
 Tasks:
 
-- LDAP/Active Directory read-only directory connector
+- [ ] [LDAP/Active Directory read-only directory connector](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/15)
-- Exchange/Microsoft 365 contacts connector
+- [ ] [Microsoft Graph contacts connector for Microsoft 365](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/16)
-- Google Contacts connector
+- [ ] [On-premises Exchange connector profile](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/17)
-- CSV/XLSX/LDIF import mapping profiles
+- [ ] [Google People contacts connector](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/18)
-- classical address-list UI and static/dynamic address-domain segments
+- [ ] [Reusable CSV/XLSX import mapping profiles](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/19)
-- operational distribution lists move to `govoplan-dist-lists`
+- [x] [Bounded LDIF import profile](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/20)
-- consent, legal-basis, suppression, and communication preferences
+- [ ] [Selective and large-batch vCard workflows](https://git.add-ideas.de/GovOPlaN/govoplan-addresses/issues/21)
-- deduplication and merge workflow
+- [x] classical address-list UI; reusable static/dynamic operational segments move
-- address quality checks and normalization
+  to `govoplan-dist-lists`
-- relationship/household/organization editing
+- [x] operational distribution lists move to `govoplan-dist-lists`
+- [x] consent, legal-basis, suppression, and communication preferences
+- [x] bounded, explainable deduplication and reversible merge/split workflow
+- [x] contact-point quality states, normalization, original-value preservation,
+      field provenance, and correction dashboard
+- [x] stable redirect resolution for merged contact references
+- [ ] richer vCard `KIND`/`RELATED` round-trip and stable links to IDM/Organizations
 
 Exit criteria:
 
@@ -229,6 +242,11 @@ Exit criteria:
 - users can understand where data came from and whether they may edit it
 - downstream modules can safely use contacts without owning them
 
+Issues #9 and #10 are implemented. Issue #8 is complete as a portfolio split:
+issues #15-#21 independently track each connector/import profile with explicit
+direction, dry-run, diagnostics, provenance, recovery, and module-independence
+requirements.
+
 ## First Implementation Recommendation
 
 Start with Milestone 1 and enough of Milestone 2 to define the data model

docs/INTERFACE_PATTERN_MIGRATION.md

@@ -0,0 +1,43 @@
+# Addresses Interface Pattern Migration
+
+This migration applies the GovOPlaN interface pattern language to the Address
+Book route, source tree, contact directory/detail workspace, governance facts,
+imports, synchronization, quality review, and reversible merge operations.
+
+## Surface Inventory
+
+| Surface | Archetype | Consequence class | Contract |
+| --- | --- | --- | --- |
+| `/address-book` source tree | Governed directory | Select, create, archive, restore, import, or connect source | Shared loading/empty/error, permission, read-only, help, and destructive confirmation states |
+| Contact list/detail | Directory/list-detail | Inspect, create, revise, archive, restore, export, or add to list | Server pagination, stable selection, contextual contact semantics, and guarded drafts |
+| Address-list editor/membership | Reference collection editor | Group reusable contact points | Same-book constraint, duplicate explanation, read-only provenance, and retained references |
+| Communication governance | Effective-policy fact editor | Allow, suppress, prefer, or end a channel fact | Effective dates, legal/evidence context, required permissions, and retained history |
+| CardDAV/LDAP/import/sync | External-provider operation | Preview and apply bounded external change | Explicit authority/direction, credentials, diagnostics, conflicts, stale state, and outcome evidence |
+| Quality and merge | Governed correction workflow | Record quality, merge, undo, or split | Required reason, chosen survivor/field provenance, confirmation, redirects, and reversible evidence |
+
+## Consequence And Availability Rules
+
+- User, group, tenant, and authorized system scopes determine discovery and
+  management authority. Visible inherited or external sources can be read-only.
+- Address lists group contact points in one address book. Cross-module reusable
+  recipient expansion remains owned by Distribution Lists.
+- Archive/delete actions are confirmed and preserve governed history according
+  to retention. External-source disconnect retains local contacts but removes
+  source diagnostics and conflict state as explicitly stated.
+- Imports and synchronization separate preview from apply; incomplete external
+  reads never infer deletions.
+- vCard batch upload accepts multiple files, persists a non-mutating preview,
+  and requires an explicit create/update/ignore choice for every reviewed card.
+  Reload and cancellation preserve the pending plan; only applying the matching
+  plan hash mutates contacts. Scoped exports name the selected vCard version and
+  use deterministic ordering.
+- Merge and communication-governance operations append auditable evidence and
+  never silently erase prior state.
+- Request feedback is rendered as a compact shared alert over the full-height
+  workspace. It does not become a grid row or displace the source, contact, and
+  detail columns.
+
+Backend and WebUI manifests publish matching route/section/action surfaces.
+English and German catalogues include the owned interaction vocabulary; major
+object drafts are guarded, and optional modules remain behind declared
+capabilities rather than private imports.

docs/QUALITY_AND_MERGE.md

@@ -0,0 +1,57 @@
+# Address Quality And Reversible Merges
+
+## Operator Workflow
+
+Open the shield action for a selected address book to review its quality. The
+dialog shows:
+
+- the number of contacts and contact points in the bounded scan
+- current invalid, returned, stale, and undeliverable contact points
+- explainable duplicate suggestions with their score inputs
+- active and recovered merge records
+
+Each contact point also has a `Quality` action in the contact detail. Recording
+a new state ends an overlapping current state and retains both entries in
+history. Use a stable reason code and an evidence reference when the state came
+from delivery, import, or correction evidence.
+
+`valid` makes the point normally usable. `invalid`, `returned`, and
+`undeliverable` make it invalid for recipient resolution. `stale` remains a
+distinct status so a downstream workflow can warn, request confirmation, or
+block according to Policy. A later `valid` decision is a correction; it does
+not delete the earlier evidence.
+
+## Duplicate Review
+
+Suggestions do not merge automatically. The score is the bounded sum of named
+exact-match features. The operator chooses the surviving contact and whether to
+combine unique contact points or retain only the survivor's points. The API can
+additionally select the source contact for each scalar field and rank source
+kinds.
+
+A successful merge:
+
+- archives each duplicate and redirects its stable contact ID to the survivor
+- records scalar and contact-point survivorship decisions
+- carries field and contact-point source provenance forward
+- copies applicable quality and communication-governance evidence
+- repoints address-list entries to the survivor and mapped contact point
+- stores deterministic before/after evidence hashes
+- emits core change-sequence and audit evidence
+
+The merge history offers `Undo` and `Split`. Both restore the exact recorded
+pre-merge contacts and list memberships. Recovery is deliberately rejected when
+the contact or membership evidence changed after the merge. Reconcile those
+later edits before retrying; the system does not silently discard them.
+
+## Consumer Contract
+
+Consumers resolve live contacts through `addresses.contact_point_resolution` or
+`distribution.recipient_channel_facts`. They receive quality status, stable
+reason codes, evidence provenance, and the current source revision. Consumers
+must not read Addresses tables or recreate quality rules. A workflow requiring
+historical proof freezes a contact-point snapshot before delivery.
+
+The duplicate and quality endpoints are bounded. `truncated=true` means the
+operator should narrow the source or run a staged API review; it does not mean
+that the unreturned contacts were found clean.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@govoplan/addresses-webui",
-  "version": "0.1.9",
+  "version": "0.1.21",
   "private": true,
   "type": "module",
   "main": "webui/src/index.ts",
@@ -18,11 +18,11 @@
     "README.md"
   ],
   "peerDependencies": {
-    "@govoplan/core-webui": "^0.1.11",
+    "@govoplan/core-webui": "^0.1.18",
     "lucide-react": "^1.23.0",
-    "react": "^19.0.0",
+    "react": ">=19.2.7 <20",
-    "react-dom": "^19.0.0",
+    "react-dom": ">=19.2.7 <20",
-    "react-router-dom": "^7.1.1"
+    "react-router": ">=8.3.0 <9"
   },
   "peerDependenciesMeta": {
     "@govoplan/core-webui": {

pyproject.toml

@@ -4,14 +4,16 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "govoplan-addresses"
-version = "0.1.9"
+version = "0.1.21"
 description = "GovOPlaN reusable address and recipient-source module."
 readme = "README.md"
 requires-python = ">=3.12"
 authors = [{ name = "GovOPlaN" }]
 dependencies = [
   "defusedxml>=0.7.1",
-  "govoplan-core>=0.1.11",
+  "govoplan-core>=0.1.18",
+  "ldap3>=2.9.1,<3",
+  "openpyxl>=3.1.5,<4",
 ]
 
 [tool.setuptools.packages.find]

src/govoplan_addresses/backend/db/models.py

@@ -4,7 +4,7 @@ import uuid
 from datetime import datetime
 from typing import Any
 
-from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, JSON, String, Text, text
+from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, JSON, String, Text, UniqueConstraint, text
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from govoplan_core.db.base import Base, TimestampMixin
@@ -56,6 +56,11 @@ class Contact(Base, TimestampMixin):
     __table_args__ = (
         Index("ix_addresses_contacts_book_name", "address_book_id", "display_name"),
         Index("ix_addresses_contacts_tenant_name", "tenant_id", "display_name"),
+        Index(
+            "ix_addresses_contacts_source_ref",
+            "source_ref",
+            postgresql_using="hash",
+        ),
     )
 
     id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
@@ -92,6 +97,21 @@ class Contact(Base, TimestampMixin):
         order_by="ContactPostalAddress.order_index",
     )
     address_list_entries: Mapped[list["AddressListEntry"]] = relationship(back_populates="contact", cascade="all, delete-orphan")
+    channel_rules: Mapped[list["ContactChannelRule"]] = relationship(
+        back_populates="contact",
+        cascade="all, delete-orphan",
+        order_by="ContactChannelRule.created_at",
+    )
+    quality_decisions: Mapped[list["ContactPointQualityDecision"]] = relationship(
+        back_populates="contact",
+        cascade="all, delete-orphan",
+        order_by="ContactPointQualityDecision.created_at",
+    )
+    field_provenance: Mapped[list["ContactFieldProvenance"]] = relationship(
+        back_populates="contact",
+        cascade="all, delete-orphan",
+        order_by="ContactFieldProvenance.created_at",
+    )
 
 
 class ContactEmail(Base, TimestampMixin):
@@ -105,6 +125,9 @@ class ContactEmail(Base, TimestampMixin):
     contact_id: Mapped[str] = mapped_column(ForeignKey("addresses_contacts.id", ondelete="CASCADE"), nullable=False, index=True)
     label: Mapped[str | None] = mapped_column(String(80))
     email: Mapped[str] = mapped_column(String(320), nullable=False, index=True)
+    original_email: Mapped[str] = mapped_column(String(320), nullable=False, default="")
+    normalized_email: Mapped[str] = mapped_column(String(320), nullable=False, default="", index=True)
+    provenance: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
     is_primary: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
     order_index: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
 
@@ -120,6 +143,9 @@ class ContactPhone(Base, TimestampMixin):
     contact_id: Mapped[str] = mapped_column(ForeignKey("addresses_contacts.id", ondelete="CASCADE"), nullable=False, index=True)
     label: Mapped[str | None] = mapped_column(String(80))
     phone: Mapped[str] = mapped_column(String(100), nullable=False)
+    original_phone: Mapped[str] = mapped_column(String(100), nullable=False, default="")
+    normalized_phone: Mapped[str] = mapped_column(String(100), nullable=False, default="", index=True)
+    provenance: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
     is_primary: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
     order_index: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
 
@@ -138,6 +164,9 @@ class ContactPostalAddress(Base, TimestampMixin):
     locality: Mapped[str | None] = mapped_column(String(255))
     region: Mapped[str | None] = mapped_column(String(255))
     country: Mapped[str | None] = mapped_column(String(255))
+    original_value: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+    normalized_value: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+    provenance: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
     is_primary: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
     order_index: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
 
@@ -145,6 +174,213 @@ class ContactPostalAddress(Base, TimestampMixin):
     address_list_entries: Mapped[list["AddressListEntry"]] = relationship(back_populates="contact_postal_address")
 
 
+class ContactChannelRule(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_channel_rules"
+    __table_args__ = (
+        Index(
+            "ix_addresses_channel_rules_resolution",
+            "tenant_id",
+            "contact_id",
+            "channel",
+            "purpose",
+        ),
+        Index(
+            "ix_addresses_channel_rules_effective",
+            "effective_from",
+            "effective_until",
+        ),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    channel: Mapped[str] = mapped_column(String(30), nullable=False, index=True)
+    purpose: Mapped[str | None] = mapped_column(String(120), nullable=True, index=True)
+    contact_point_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    decision: Mapped[str] = mapped_column(String(40), nullable=False, index=True)
+    legal_basis: Mapped[str | None] = mapped_column(String(255), nullable=True)
+    evidence_ref: Mapped[str | None] = mapped_column(String(1000), nullable=True)
+    reason: Mapped[str | None] = mapped_column(Text, nullable=True)
+    preference_rank: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    locale: Mapped[str | None] = mapped_column(String(20), nullable=True)
+    effective_from: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    effective_until: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    metadata_: Mapped[dict[str, Any]] = mapped_column("metadata", JSON, default=dict, nullable=False)
+
+    contact: Mapped[Contact] = relationship(back_populates="channel_rules")
+
+
+class ContactPointSnapshot(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_point_snapshots"
+    __table_args__ = (
+        Index("ix_addresses_contact_point_snapshots_source", "tenant_id", "source_id", "created_at"),
+        Index("ix_addresses_contact_point_snapshots_hash", "tenant_id", "snapshot_hash"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
+    source_id: Mapped[str] = mapped_column(String(255), nullable=False, index=True)
+    contract_version: Mapped[str] = mapped_column(String(20), nullable=False)
+    source_revision: Mapped[str] = mapped_column(String(255), nullable=False)
+    source_fingerprint: Mapped[str] = mapped_column(String(64), nullable=False)
+    purpose: Mapped[str | None] = mapped_column(String(120), nullable=True, index=True)
+    effective_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+    generated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+    request_payload: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False)
+    resolution_payload: Mapped[list[dict[str, Any]]] = mapped_column(JSON, nullable=False)
+    recipient_count: Mapped[int] = mapped_column(Integer, nullable=False)
+    excluded_count: Mapped[int] = mapped_column(Integer, nullable=False)
+    snapshot_hash: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    provenance: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+
+
+class ContactPointQualityDecision(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_point_quality_decisions"
+    __table_args__ = (
+        Index(
+            "ix_addresses_quality_current",
+            "tenant_id",
+            "contact_id",
+            "channel",
+            "contact_point_id",
+            "effective_until",
+        ),
+        Index("ix_addresses_quality_state", "tenant_id", "state", "effective_until"),
+        Index("ix_addresses_quality_created_by", "created_by_account_id"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    channel: Mapped[str] = mapped_column(String(30), nullable=False, index=True)
+    contact_point_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    state: Mapped[str] = mapped_column(String(30), nullable=False, index=True)
+    reason_code: Mapped[str] = mapped_column(String(120), nullable=False)
+    reason: Mapped[str | None] = mapped_column(Text, nullable=True)
+    evidence_ref: Mapped[str | None] = mapped_column(String(1000), nullable=True)
+    effective_from: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+    effective_until: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
+    metadata_: Mapped[dict[str, Any]] = mapped_column("metadata", JSON, default=dict, nullable=False)
+
+    contact: Mapped[Contact] = relationship(back_populates="quality_decisions")
+
+
+class ContactMergeRecord(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_merge_records"
+    __table_args__ = (
+        Index("ix_addresses_merge_winner", "tenant_id", "winner_contact_id", "created_at"),
+        Index("ix_addresses_merge_status", "tenant_id", "status", "created_at"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    address_book_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_address_books.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    winner_contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="RESTRICT"),
+        nullable=False,
+        index=True,
+    )
+    loser_contact_ids: Mapped[list[str]] = mapped_column(JSON, nullable=False)
+    status: Mapped[str] = mapped_column(String(30), nullable=False, default="active", index=True)
+    reason: Mapped[str] = mapped_column(Text, nullable=False)
+    survivorship: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+    decisions: Mapped[list[dict[str, Any]]] = mapped_column(JSON, default=list, nullable=False)
+    before_payload: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False)
+    after_payload: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False)
+    before_hash: Mapped[str] = mapped_column(String(64), nullable=False)
+    after_hash: Mapped[str] = mapped_column(String(64), nullable=False)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    recovered_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    recovered_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
+    recovery_action: Mapped[str | None] = mapped_column(String(30), nullable=True)
+    recovery_reason: Mapped[str | None] = mapped_column(Text, nullable=True)
+    provenance: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+
+
+class ContactRedirect(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_redirects"
+    __table_args__ = (
+        Index(
+            "uq_addresses_contact_redirects_active_source",
+            "tenant_id",
+            "source_contact_id",
+            unique=True,
+            sqlite_where=text("ended_at IS NULL"),
+            postgresql_where=text("ended_at IS NULL"),
+        ),
+        Index("ix_addresses_contact_redirects_target", "tenant_id", "target_contact_id", "ended_at"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    source_contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    target_contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="RESTRICT"),
+        nullable=False,
+        index=True,
+    )
+    merge_record_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contact_merge_records.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    ended_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+
+
+class ContactFieldProvenance(Base, TimestampMixin):
+    __tablename__ = "addresses_contact_field_provenance"
+    __table_args__ = (
+        Index("ix_addresses_field_provenance_contact", "contact_id", "field_path", "created_at"),
+        Index("ix_addresses_field_provenance_selected", "tenant_id", "contact_id", "selected"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    contact_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_contacts.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    field_path: Mapped[str] = mapped_column(String(255), nullable=False, index=True)
+    value: Mapped[Any] = mapped_column(JSON, nullable=True)
+    source_kind: Mapped[str] = mapped_column(String(40), nullable=False)
+    source_ref: Mapped[str | None] = mapped_column(String(1000), nullable=True)
+    source_revision: Mapped[str | None] = mapped_column(String(255), nullable=True)
+    precedence: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    selected: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, index=True)
+    reason_code: Mapped[str] = mapped_column(String(120), nullable=False)
+    explanation: Mapped[str | None] = mapped_column(Text, nullable=True)
+    visibility: Mapped[str] = mapped_column(String(30), nullable=False, default="inherit")
+    merge_record_id: Mapped[str | None] = mapped_column(
+        ForeignKey("addresses_contact_merge_records.id", ondelete="SET NULL"),
+        nullable=True,
+        index=True,
+    )
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    metadata_: Mapped[dict[str, Any]] = mapped_column("metadata", JSON, default=dict, nullable=False)
+
+    contact: Mapped[Contact] = relationship(back_populates="field_provenance")
+
+
 class AddressList(Base, TimestampMixin):
     __tablename__ = "addresses_address_lists"
     __table_args__ = (
@@ -314,8 +550,70 @@ class AddressSyncDiagnostic(Base, TimestampMixin):
     sync_source: Mapped[AddressSyncSource] = relationship(back_populates="diagnostics")
 
 
+class AddressImportProfile(Base, TimestampMixin):
+    __tablename__ = "addresses_import_profiles"
+    __table_args__ = (
+        UniqueConstraint("profile_key", "version", name="uq_addresses_import_profile_version"),
+        Index("ix_addresses_import_profiles_scope", "tenant_id", "scope_type", "scope_id", "is_current"),
+        Index("ix_addresses_import_profiles_format", "tenant_id", "source_format"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    profile_key: Mapped[str] = mapped_column(String(36), nullable=False, default=new_uuid, index=True)
+    version: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    scope_type: Mapped[str] = mapped_column(String(20), nullable=False, index=True)
+    scope_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    source_format: Mapped[str] = mapped_column(String(20), nullable=False, index=True)
+    configuration: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False, default=dict)
+    is_current: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, index=True)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    superseded_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+
+
+class AddressImportRun(Base, TimestampMixin):
+    __tablename__ = "addresses_import_runs"
+    __table_args__ = (
+        Index("ix_addresses_import_runs_book_status", "address_book_id", "status", "created_at"),
+        Index("ix_addresses_import_runs_tenant_hash", "tenant_id", "input_hash"),
+    )
+
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
+    tenant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    address_book_id: Mapped[str] = mapped_column(
+        ForeignKey("addresses_address_books.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    profile_id: Mapped[str | None] = mapped_column(
+        ForeignKey("addresses_import_profiles.id", ondelete="RESTRICT"),
+        nullable=True,
+        index=True,
+    )
+    source_filename: Mapped[str] = mapped_column(String(500), nullable=False)
+    source_format: Mapped[str] = mapped_column(String(20), nullable=False, index=True)
+    input_hash: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
+    plan_hash: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
+    status: Mapped[str] = mapped_column(String(30), nullable=False, default="previewed", index=True)
+    row_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    statistics: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False, default=dict)
+    diagnostics: Mapped[list[dict[str, Any]]] = mapped_column(JSON, nullable=False, default=list)
+    plan_data: Mapped[list[dict[str, Any]]] = mapped_column(JSON, nullable=False, default=list)
+    result_evidence: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False, default=dict)
+    created_by_account_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    applied_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    rolled_back_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+
+    address_book: Mapped[AddressBook] = relationship()
+    profile: Mapped[AddressImportProfile | None] = relationship()
+
+
 __all__ = [
     "AddressBook",
+    "AddressImportProfile",
+    "AddressImportRun",
     "AddressList",
     "AddressListEntry",
     "AddressSyncConflict",
@@ -325,6 +623,11 @@ __all__ = [
     "Contact",
     "ContactEmail",
     "ContactPhone",
+    "ContactFieldProvenance",
+    "ContactMergeRecord",
+    "ContactPointQualityDecision",
+    "ContactPointSnapshot",
     "ContactPostalAddress",
+    "ContactRedirect",
     "new_uuid",
 ]

src/govoplan_addresses/backend/german_structured_documentation.py

@@ -0,0 +1,55 @@
+"""German translations for public structured documentation metadata."""
+
+from __future__ import annotations
+
+from typing import Any
+
+
+GERMAN_STRUCTURED_TRANSLATIONS: dict[str, dict[str, Any]] = {'addresses.reference.fields-and-consequences': {'consequence_classes': {'archive': 'Entfernt das '
+                                                                                    'Objekt aus '
+                                                                                    'der '
+                                                                                    'gewöhnlichen '
+                                                                                    'Auswahl, '
+                                                                                    'während die '
+                                                                                    'verwaltete '
+                                                                                    'Geschichte '
+                                                                                    'und '
+                                                                                    'Referenzen '
+                                                                                    'beibehalten '
+                                                                                    'werden.',
+                                                                         'governance_fact': 'Hinzufügen '
+                                                                                            'oder '
+                                                                                            'Beenden '
+                                                                                            'einer '
+                                                                                            'effektiv '
+                                                                                            'datierten '
+                                                                                            'Kommunikationsentscheidung '
+                                                                                            'ohne '
+                                                                                            'vorherige '
+                                                                                            'Fakten '
+                                                                                            'zu '
+                                                                                            'löschen.',
+                                                                         'import_or_sync': 'Wendet '
+                                                                                           'nur '
+                                                                                           'einen '
+                                                                                           'überprüften '
+                                                                                           'Bounded '
+                                                                                           'Plan '
+                                                                                           'an und '
+                                                                                           'behält '
+                                                                                           'die '
+                                                                                           'Quellenrevision, '
+                                                                                           'Diagnose '
+                                                                                           'und '
+                                                                                           'Herkunft '
+                                                                                           'bei.',
+                                                                         'merge': 'Repoints '
+                                                                                  'verwaltet '
+                                                                                  'Verweise auf '
+                                                                                  'einen '
+                                                                                  'Überlebenden '
+                                                                                  'und behält '
+                                                                                  'reversible '
+                                                                                  'Redirect und '
+                                                                                  'Provenienz '
+                                                                                  'Nachweise.'}}}

src/govoplan_addresses/backend/import_schemas.py

@@ -0,0 +1,174 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, Literal
+
+from pydantic import BaseModel, ConfigDict, Field, model_validator
+
+
+AddressImportFormat = Literal["csv", "xlsx", "ldif"]
+AddressImportScope = Literal["user", "group", "tenant", "system"]
+
+IMPORT_TARGET_FIELDS = frozenset(
+    {
+        "source_key",
+        "display_name",
+        "given_name",
+        "family_name",
+        "organization",
+        "role_title",
+        "note",
+        "email",
+        "phone",
+        "street",
+        "postal_code",
+        "locality",
+        "region",
+        "country",
+        "tags",
+        "visibility",
+    }
+)
+
+
+class AddressImportConfiguration(BaseModel):
+    field_mappings: dict[str, str] = Field(default_factory=dict, max_length=40)
+    delimiter: Literal[",", ";", "\t", "|"] = ","
+    encoding: Literal["utf-8", "utf-8-sig", "cp1252", "latin-1"] = "utf-8-sig"
+    header_row: int = Field(default=1, ge=1, le=100)
+    sheet_name: str | None = Field(default=None, max_length=255)
+    source_key_column: str | None = Field(default=None, max_length=255)
+    duplicate_source_key_policy: Literal["reject", "first", "last"] = "reject"
+    existing_contact_policy: Literal["update", "ignore", "reject"] = "update"
+    blank_value_policy: Literal["ignore", "clear", "reject"] = "ignore"
+    ldif_change_record_policy: Literal["reject", "ignore", "treat_add_as_entry"] = "reject"
+    locale: str | None = Field(default=None, max_length=35)
+    default_tags: list[str] = Field(default_factory=list, max_length=100)
+    max_rows: int = Field(default=10_000, ge=1, le=10_000)
+
+    @model_validator(mode="after")
+    def validate_mappings(self) -> "AddressImportConfiguration":
+        invalid = sorted(set(self.field_mappings).difference(IMPORT_TARGET_FIELDS))
+        if invalid:
+            raise ValueError(f"Unsupported address import target fields: {', '.join(invalid)}")
+        for target, column in self.field_mappings.items():
+            if not target.strip() or not column.strip():
+                raise ValueError("Import mapping targets and source columns cannot be blank.")
+        if "source_key" not in self.field_mappings and not self.source_key_column:
+            raise ValueError("Address import profiles require a stable source-key column.")
+        return self
+
+
+class AddressImportProfileCreateRequest(BaseModel):
+    scope_type: AddressImportScope = "tenant"
+    scope_id: str | None = Field(default=None, max_length=36)
+    name: str = Field(min_length=1, max_length=255)
+    description: str | None = Field(default=None, max_length=4000)
+    source_format: AddressImportFormat
+    configuration: AddressImportConfiguration
+
+
+class AddressImportProfileUpdateRequest(BaseModel):
+    name: str | None = Field(default=None, min_length=1, max_length=255)
+    description: str | None = Field(default=None, max_length=4000)
+    configuration: AddressImportConfiguration | None = None
+
+
+class AddressImportProfileResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
+    profile_key: str
+    version: int
+    tenant_id: str | None = None
+    scope_type: str
+    scope_id: str | None = None
+    name: str
+    description: str | None = None
+    source_format: str
+    configuration: AddressImportConfiguration
+    is_current: bool
+    created_by_account_id: str | None = None
+    superseded_at: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class AddressImportProfileListResponse(BaseModel):
+    profiles: list[AddressImportProfileResponse] = Field(default_factory=list)
+
+
+class AddressImportFilePayload(BaseModel):
+    filename: str = Field(min_length=1, max_length=500)
+    content_base64: str = Field(min_length=1, max_length=14_000_000)
+
+
+class AddressImportPreviewRequest(AddressImportFilePayload):
+    profile_id: str = Field(min_length=1, max_length=36)
+
+
+class AddressImportEffectResponse(BaseModel):
+    row_number: int
+    action: Literal["create", "update", "conflict", "unchanged", "ignored"]
+    source_key: str | None = None
+    contact_id: str | None = None
+    display_name: str | None = None
+    changed_fields: list[str] = Field(default_factory=list)
+    message: str | None = None
+
+
+class AddressImportDiagnosticResponse(BaseModel):
+    severity: Literal["info", "warning", "error"]
+    code: str
+    message: str
+    row_number: int | None = None
+    field: str | None = None
+    details: dict[str, Any] = Field(default_factory=dict)
+
+
+class AddressImportRunResponse(BaseModel):
+    id: str
+    address_book_id: str
+    profile_id: str | None
+    source_filename: str
+    source_format: str
+    input_hash: str
+    plan_hash: str
+    status: str
+    row_count: int
+    statistics: dict[str, int] = Field(default_factory=dict)
+    diagnostics: list[AddressImportDiagnosticResponse] = Field(default_factory=list)
+    effects: list[AddressImportEffectResponse] = Field(default_factory=list)
+    can_apply: bool
+    result_evidence: dict[str, Any] = Field(default_factory=dict)
+    created_at: datetime
+    updated_at: datetime
+    applied_at: datetime | None = None
+    rolled_back_at: datetime | None = None
+
+
+class AddressImportCommitRequest(BaseModel):
+    expected_plan_hash: str = Field(min_length=64, max_length=64)
+
+
+class AddressImportRollbackRequest(BaseModel):
+    expected_plan_hash: str = Field(min_length=64, max_length=64)
+    reason: str = Field(min_length=3, max_length=2000)
+
+
+__all__ = [
+    "AddressImportCommitRequest",
+    "AddressImportConfiguration",
+    "AddressImportDiagnosticResponse",
+    "AddressImportEffectResponse",
+    "AddressImportFilePayload",
+    "AddressImportFormat",
+    "AddressImportPreviewRequest",
+    "AddressImportProfileCreateRequest",
+    "AddressImportProfileListResponse",
+    "AddressImportProfileResponse",
+    "AddressImportProfileUpdateRequest",
+    "AddressImportRollbackRequest",
+    "AddressImportRunResponse",
+    "IMPORT_TARGET_FIELDS",
+]

src/govoplan_addresses/backend/ldap.py

@@ -0,0 +1,196 @@
+from __future__ import annotations
+
+import ssl
+from dataclasses import dataclass
+from typing import Any
+from urllib.parse import unquote, urlsplit
+
+from govoplan_core.core.connector_runtime import ConnectorContractError, ConnectorEndpoint
+
+
+class AddressLdapError(RuntimeError):
+    pass
+
+
+@dataclass(frozen=True, slots=True)
+class AddressLdapEntry:
+    dn: str
+    attributes: dict[str, Any]
+
+
+@dataclass(frozen=True, slots=True)
+class AddressLdapSearchResult:
+    base_dn: str
+    entries: tuple[AddressLdapEntry, ...]
+    complete: bool
+    page_size: int
+
+
+class AddressLdapClient:
+    def __init__(
+        self,
+        *,
+        url: str,
+        bind_dn: str | None = None,
+        password: str | None = None,
+        start_tls: bool = True,
+        connect_timeout: int = 10,
+        receive_timeout: int = 30,
+    ) -> None:
+        try:
+            endpoint = ConnectorEndpoint(
+                url=url,
+                tls_mode="start_tls" if start_tls else "required",
+            )
+        except ConnectorContractError as exc:
+            raise AddressLdapError(str(exc)) from exc
+        parsed = urlsplit(endpoint.url)
+        if parsed.scheme not in {"ldap", "ldaps"}:
+            raise AddressLdapError("LDAP endpoints must use ldap:// or ldaps://.")
+        if parsed.scheme == "ldap" and not start_tls:
+            raise AddressLdapError("ldap:// endpoints require StartTLS.")
+        if parsed.path not in {"", "/"}:
+            self.default_base_dn = unquote(parsed.path.lstrip("/"))
+        else:
+            self.default_base_dn = None
+        self.url = endpoint.url
+        self.host = parsed.hostname or ""
+        self.port = parsed.port or (636 if parsed.scheme == "ldaps" else 389)
+        self.use_ssl = parsed.scheme == "ldaps"
+        self.start_tls = parsed.scheme == "ldap" and start_tls
+        self.bind_dn = bind_dn
+        self.password = password
+        self.connect_timeout = max(1, min(connect_timeout, 30))
+        self.receive_timeout = max(1, min(receive_timeout, 120))
+
+    def discover_base_dns(self) -> tuple[str, ...]:
+        connection = self._connection()
+        try:
+            from ldap3 import BASE
+
+            if not connection.search(
+                search_base="",
+                search_filter="(objectClass=*)",
+                search_scope=BASE,
+                attributes=["namingContexts", "defaultNamingContext", "rootDomainNamingContext"],
+            ):
+                raise AddressLdapError(_ldap_result_message(connection.result, "LDAP root DSE discovery failed."))
+            values: list[str] = []
+            for entry in connection.entries:
+                data = entry.entry_attributes_as_dict
+                for key in ("defaultNamingContext", "rootDomainNamingContext", "namingContexts"):
+                    for value in _as_values(data.get(key)):
+                        normalized = str(value).strip()
+                        if normalized and normalized not in values:
+                            values.append(normalized)
+            if self.default_base_dn and self.default_base_dn not in values:
+                values.insert(0, self.default_base_dn)
+            return tuple(values)
+        finally:
+            connection.unbind()
+
+    def search(
+        self,
+        *,
+        base_dn: str,
+        search_filter: str,
+        attributes: tuple[str, ...],
+        page_size: int = 500,
+        max_entries: int = 10_000,
+    ) -> AddressLdapSearchResult:
+        normalized_base = base_dn.strip() or self.default_base_dn
+        if not normalized_base:
+            raise AddressLdapError("LDAP base DN is required.")
+        page_size = max(1, min(page_size, 1_000))
+        max_entries = max(1, min(max_entries, 10_000))
+        connection = self._connection()
+        entries: list[AddressLdapEntry] = []
+        complete = True
+        try:
+            try:
+                stream = connection.extend.standard.paged_search(
+                    search_base=normalized_base,
+                    search_filter=search_filter,
+                    attributes=list(attributes),
+                    paged_size=page_size,
+                    generator=True,
+                )
+                for response in stream:
+                    response_type = response.get("type")
+                    if response_type != "searchResEntry":
+                        continue
+                    if len(entries) >= max_entries:
+                        complete = False
+                        break
+                    entries.append(
+                        AddressLdapEntry(
+                            dn=str(response.get("dn") or ""),
+                            attributes=dict(response.get("attributes") or {}),
+                        )
+                    )
+            except Exception as exc:
+                raise AddressLdapError(f"LDAP paged search failed: {exc}.") from exc
+            if connection.result and int(connection.result.get("result", 0) or 0) != 0:
+                raise AddressLdapError(_ldap_result_message(connection.result, "LDAP paged search failed."))
+            return AddressLdapSearchResult(
+                base_dn=normalized_base,
+                entries=tuple(entries),
+                complete=complete,
+                page_size=page_size,
+            )
+        finally:
+            connection.unbind()
+
+    def _connection(self):
+        try:
+            from ldap3 import Connection, Server, Tls
+        except ImportError as exc:  # pragma: no cover - package failure
+            raise AddressLdapError("LDAP connector support is not installed.") from exc
+        tls = Tls(validate=ssl.CERT_REQUIRED, version=ssl.PROTOCOL_TLS_CLIENT)
+        server = Server(
+            self.host,
+            port=self.port,
+            use_ssl=self.use_ssl,
+            tls=tls,
+            connect_timeout=self.connect_timeout,
+        )
+        try:
+            connection = Connection(
+                server,
+                user=self.bind_dn,
+                password=self.password,
+                receive_timeout=self.receive_timeout,
+                raise_exceptions=True,
+            )
+            connection.open()
+            if self.start_tls:
+                connection.start_tls()
+            connection.bind()
+            return connection
+        except Exception as exc:
+            raise AddressLdapError(f"LDAP connection or bind failed: {exc}.") from exc
+
+
+def _as_values(value: Any) -> tuple[Any, ...]:
+    if value is None:
+        return ()
+    if isinstance(value, (list, tuple, set)):
+        return tuple(value)
+    return (value,)
+
+
+def _ldap_result_message(result: dict[str, Any] | None, fallback: str) -> str:
+    if not result:
+        return fallback
+    description = str(result.get("description") or "").strip()
+    message = str(result.get("message") or "").strip()
+    detail = ": ".join(part for part in (description, message) if part)
+    return f"{fallback} {detail}".strip()
+
+
+__all__ = [
+    "AddressLdapClient",
+    "AddressLdapEntry",
+    "AddressLdapError",
+    "AddressLdapSearchResult",
+]

src/govoplan_addresses/backend/ldap_schemas.py

@@ -0,0 +1,73 @@
+from __future__ import annotations
+
+from typing import Any
+
+from pydantic import BaseModel, Field, model_validator
+
+
+DEFAULT_LDAP_ATTRIBUTE_MAP: dict[str, str] = {
+    "source_key": "entryUUID",
+    "source_revision": "modifyTimestamp",
+    "display_name": "displayName",
+    "given_name": "givenName",
+    "family_name": "sn",
+    "organization": "o",
+    "role_title": "title",
+    "email": "mail",
+    "phone": "telephoneNumber",
+    "street": "streetAddress",
+    "postal_code": "postalCode",
+    "locality": "l",
+    "region": "st",
+    "country": "c",
+    "tags": "memberOf",
+}
+
+
+class AddressLdapConnectionRequest(BaseModel):
+    url: str = Field(min_length=1, max_length=2000)
+    credential_ref: str | None = Field(default=None, max_length=1000)
+    bind_dn: str | None = Field(default=None, max_length=1000)
+    start_tls: bool = True
+    connect_timeout: int = Field(default=10, ge=1, le=30)
+    receive_timeout: int = Field(default=30, ge=1, le=120)
+
+
+class AddressLdapDiscoveryResponse(BaseModel):
+    base_dns: list[str] = Field(default_factory=list)
+
+
+class AddressLdapSourceCreateRequest(AddressLdapConnectionRequest):
+    display_name: str = Field(min_length=1, max_length=255)
+    base_dn: str = Field(min_length=1, max_length=2000)
+    search_filter: str = Field(default="(&(objectClass=person)(mail=*))", min_length=1, max_length=2000)
+    page_size: int = Field(default=500, ge=1, le=1000)
+    max_entries: int = Field(default=10_000, ge=1, le=10_000)
+    attribute_map: dict[str, str] = Field(default_factory=lambda: dict(DEFAULT_LDAP_ATTRIBUTE_MAP), max_length=40)
+
+    @model_validator(mode="after")
+    def validate_mapping(self) -> "AddressLdapSourceCreateRequest":
+        if "source_key" not in self.attribute_map:
+            raise ValueError("LDAP mappings require a stable source_key attribute.")
+        if not any(key in self.attribute_map for key in ("display_name", "email", "given_name", "family_name", "organization")):
+            raise ValueError("LDAP mappings require at least one contact identity attribute.")
+        if any(not key.strip() or not value.strip() for key, value in self.attribute_map.items()):
+            raise ValueError("LDAP mapping names and attributes cannot be blank.")
+        return self
+
+
+class AddressLdapTestResponse(BaseModel):
+    success: bool
+    base_dn: str
+    sampled_entries: int
+    attributes: list[str] = Field(default_factory=list)
+    diagnostic: dict[str, Any] = Field(default_factory=dict)
+
+
+__all__ = [
+    "AddressLdapConnectionRequest",
+    "AddressLdapDiscoveryResponse",
+    "AddressLdapSourceCreateRequest",
+    "AddressLdapTestResponse",
+    "DEFAULT_LDAP_ATTRIBUTE_MAP",
+]

src/govoplan_addresses/backend/ldif.py

@@ -0,0 +1,286 @@
+from __future__ import annotations
+
+import base64
+import binascii
+import hashlib
+from collections.abc import Iterable
+from io import BytesIO
+from typing import Any, Literal
+
+
+LdifChangeRecordPolicy = Literal["reject", "ignore", "treat_add_as_entry"]
+
+MAX_LDIF_ATTRIBUTES = 500
+MAX_LDIF_VALUES_PER_ATTRIBUTE = 100
+MAX_LDIF_LOGICAL_LINE_BYTES = 1_000_000
+
+
+def parse_ldif_rows(
+    raw: bytes,
+    *,
+    max_entries: int,
+    change_record_policy: LdifChangeRecordPolicy = "reject",
+) -> tuple[list[tuple[int, dict[str, Any]]], list[dict[str, Any]]]:
+    """Parse bounded LDIF entries without fetching URL or decoding binary values."""
+
+    rows: list[tuple[int, dict[str, Any]]] = []
+    diagnostics: list[dict[str, Any]] = []
+    record_lines: list[tuple[int, bytes]] = []
+
+    def finish_record() -> None:
+        if not record_lines:
+            return
+        row_number = record_lines[0][0]
+        row, record_diagnostics = _parse_record(record_lines)
+        diagnostics.extend(record_diagnostics)
+        record_lines.clear()
+        if not row:
+            return
+        if set(row) == {"version"} and _first(row.get("version")) == "1":
+            return
+        change_type = _first(row.get("changetype")).casefold()
+        if change_type:
+            if change_record_policy == "ignore":
+                diagnostics.append(
+                    _diagnostic(
+                        "warning",
+                        "ldif_change_record_ignored",
+                        f"LDIF change record {change_type!r} was ignored by profile policy.",
+                        row_number=row_number,
+                        field="changetype",
+                    )
+                )
+                return
+            if change_record_policy != "treat_add_as_entry" or change_type != "add":
+                diagnostics.append(
+                    _diagnostic(
+                        "error",
+                        "ldif_change_record_rejected",
+                        f"LDIF change record {change_type!r} is not permitted by the profile policy.",
+                        row_number=row_number,
+                        field="changetype",
+                    )
+                )
+                return
+            diagnostics.append(
+                _diagnostic(
+                    "info",
+                    "ldif_add_record_imported",
+                    "LDIF add change record is treated as a static contact entry by profile policy.",
+                    row_number=row_number,
+                    field="changetype",
+                )
+            )
+            row.pop("changetype", None)
+        row["__ldif_record_hash"] = hashlib.sha256(_canonical_record(row)).hexdigest()
+        rows.append((row_number, row))
+        if len(rows) > max_entries:
+            raise ValueError(f"LDIF exceeds the configured {max_entries}-entry limit.")
+
+    for line_number, logical_line in _logical_lines(raw):
+        if not logical_line:
+            finish_record()
+            continue
+        if logical_line.startswith(b"#"):
+            continue
+        record_lines.append((line_number, logical_line))
+    finish_record()
+    if not rows and not any(item["severity"] == "error" for item in diagnostics):
+        diagnostics.append(_diagnostic("warning", "ldif_no_entries", "No importable LDIF entries were found."))
+    return rows, diagnostics
+
+
+def _logical_lines(raw: bytes) -> Iterable[tuple[int, bytes]]:
+    current: bytearray | None = None
+    start_line = 0
+    for line_number, physical_with_ending in enumerate(BytesIO(raw), start=1):
+        physical = physical_with_ending.rstrip(b"\r\n")
+        if physical.startswith(b" "):
+            if current is None:
+                yield line_number, b"!invalid-fold-without-preceding-line"
+                continue
+            current.extend(physical[1:])
+            if len(current) > MAX_LDIF_LOGICAL_LINE_BYTES:
+                raise ValueError(f"LDIF logical line starting at {start_line} exceeds the size limit.")
+            continue
+        if current is not None:
+            yield start_line, bytes(current)
+        current = bytearray(physical)
+        start_line = line_number
+        if len(current) > MAX_LDIF_LOGICAL_LINE_BYTES:
+            raise ValueError(f"LDIF logical line {line_number} exceeds the size limit.")
+    if current is not None:
+        yield start_line, bytes(current)
+
+
+def _parse_record(
+    lines: list[tuple[int, bytes]],
+) -> tuple[dict[str, Any], list[dict[str, Any]]]:
+    row: dict[str, list[str]] = {}
+    diagnostics: list[dict[str, Any]] = []
+    for line_number, line in lines:
+        if line == b"!invalid-fold-without-preceding-line":
+            diagnostics.append(
+                _diagnostic(
+                    "error",
+                    "ldif_invalid_fold",
+                    "LDIF continuation line has no preceding attribute.",
+                    row_number=line_number,
+                )
+            )
+            continue
+        if b":" not in line:
+            diagnostics.append(
+                _diagnostic(
+                    "error",
+                    "ldif_invalid_line",
+                    "LDIF line is missing the attribute separator.",
+                    row_number=line_number,
+                )
+            )
+            continue
+        if line == b"-":
+            # Attribute-operation separators are meaningful only inside change
+            # records, whose enclosing policy is evaluated after the record.
+            continue
+        raw_name, raw_value = line.split(b":", 1)
+        try:
+            name_parts = [part.strip().casefold() for part in raw_name.decode("ascii").split(";")]
+            name = name_parts[0]
+        except UnicodeDecodeError:
+            name_parts = []
+            name = ""
+        if not name or any(character.isspace() for character in name):
+            diagnostics.append(
+                _diagnostic(
+                    "error",
+                    "ldif_invalid_attribute",
+                    "LDIF attribute name is invalid.",
+                    row_number=line_number,
+                )
+            )
+            continue
+        if "binary" in name_parts[1:]:
+            diagnostics.append(
+                _diagnostic(
+                    "warning",
+                    "ldif_binary_value_ignored",
+                    f"Binary LDIF attribute {name!r} was ignored; binary data is never projected into contacts.",
+                    row_number=line_number,
+                    field=name,
+                )
+            )
+            continue
+        if name not in row and len(row) >= MAX_LDIF_ATTRIBUTES:
+            diagnostics.append(
+                _diagnostic(
+                    "error",
+                    "ldif_too_many_attributes",
+                    f"LDIF entry exceeds the {MAX_LDIF_ATTRIBUTES}-attribute limit.",
+                    row_number=line_number,
+                )
+            )
+            continue
+        value, value_diagnostic = _decode_value(raw_value, attribute=name, line_number=line_number)
+        if value_diagnostic is not None:
+            diagnostics.append(value_diagnostic)
+        if value is None:
+            continue
+        values = row.setdefault(name, [])
+        if len(values) >= MAX_LDIF_VALUES_PER_ATTRIBUTE:
+            diagnostics.append(
+                _diagnostic(
+                    "error",
+                    "ldif_too_many_values",
+                    f"LDIF attribute {name!r} exceeds the value limit.",
+                    row_number=line_number,
+                    field=name,
+                )
+            )
+            continue
+        values.append(value)
+    return row, diagnostics
+
+
+def _decode_value(
+    raw_value: bytes,
+    *,
+    attribute: str,
+    line_number: int,
+) -> tuple[str | None, dict[str, Any] | None]:
+    if raw_value.startswith(b":"):
+        encoded = raw_value[1:].lstrip(b" ")
+        try:
+            decoded = base64.b64decode(encoded, validate=True)
+        except (binascii.Error, ValueError):
+            return None, _diagnostic(
+                "error",
+                "ldif_invalid_base64",
+                f"LDIF attribute {attribute!r} contains invalid base64.",
+                row_number=line_number,
+                field=attribute,
+            )
+        try:
+            return decoded.decode("utf-8"), None
+        except UnicodeDecodeError:
+            return None, _diagnostic(
+                "warning",
+                "ldif_binary_value_ignored",
+                f"Binary LDIF attribute {attribute!r} was ignored; binary data is never projected into contacts.",
+                row_number=line_number,
+                field=attribute,
+            )
+    if raw_value.startswith(b"<"):
+        return None, _diagnostic(
+            "warning",
+            "ldif_url_value_ignored",
+            f"External LDIF URL value for {attribute!r} was ignored; imports never fetch referenced content.",
+            row_number=line_number,
+            field=attribute,
+        )
+    value_bytes = raw_value[1:] if raw_value.startswith(b" ") else raw_value
+    try:
+        return value_bytes.decode("utf-8"), None
+    except UnicodeDecodeError:
+        return None, _diagnostic(
+            "error",
+            "ldif_invalid_utf8",
+            f"LDIF attribute {attribute!r} is not valid UTF-8.",
+            row_number=line_number,
+            field=attribute,
+        )
+
+
+def _canonical_record(row: dict[str, Any]) -> bytes:
+    lines = []
+    for name in sorted(key for key in row if not key.startswith("__")):
+        values = row[name] if isinstance(row[name], list) else [row[name]]
+        lines.extend(f"{name}:{value}" for value in values)
+    return "\n".join(lines).encode("utf-8")
+
+
+def _first(value: object) -> str:
+    if isinstance(value, list):
+        return str(value[0]) if value else ""
+    return str(value or "")
+
+
+def _diagnostic(
+    severity: str,
+    code: str,
+    message: str,
+    *,
+    row_number: int | None = None,
+    field: str | None = None,
+) -> dict[str, Any]:
+    return {
+        "severity": severity,
+        "code": code,
+        "message": message,
+        "row_number": row_number,
+        "field": field,
+        "details": {},
+    }
+
+
+__all__ = ["LdifChangeRecordPolicy", "parse_ldif_rows"]

src/govoplan_addresses/backend/migrations/versions/a3b5c6d7e8f9_contact_point_snapshots.py

@@ -0,0 +1,63 @@
+"""Add immutable contact-point snapshots.
+
+Revision ID: a3b5c6d7e8f9
+Revises: f2a4b5c6d7e
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "a3b5c6d7e8f9"
+down_revision = "f2a4b5c6d7e"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_index(
+        "ix_addresses_contacts_source_ref",
+        "addresses_contacts",
+        ["source_ref"],
+        unique=False,
+        postgresql_using="hash",
+    )
+    op.create_table(
+        "addresses_contact_point_snapshots",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=False),
+        sa.Column("source_id", sa.String(length=255), nullable=False),
+        sa.Column("contract_version", sa.String(length=20), nullable=False),
+        sa.Column("source_revision", sa.String(length=255), nullable=False),
+        sa.Column("source_fingerprint", sa.String(length=64), nullable=False),
+        sa.Column("purpose", sa.String(length=120), nullable=True),
+        sa.Column("effective_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("generated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("request_payload", sa.JSON(), nullable=False),
+        sa.Column("resolution_payload", sa.JSON(), nullable=False),
+        sa.Column("recipient_count", sa.Integer(), nullable=False),
+        sa.Column("excluded_count", sa.Integer(), nullable=False),
+        sa.Column("snapshot_hash", sa.String(length=64), nullable=False),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("provenance", sa.JSON(), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_point_snapshots_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_point_snapshots_source_id", ["source_id"]),
+        ("ix_addresses_contact_point_snapshots_purpose", ["purpose"]),
+        ("ix_addresses_contact_point_snapshots_effective_at", ["effective_at"]),
+        ("ix_addresses_contact_point_snapshots_generated_at", ["generated_at"]),
+        ("ix_addresses_contact_point_snapshots_snapshot_hash", ["snapshot_hash"]),
+        ("ix_addresses_contact_point_snapshots_created_by_account_id", ["created_by_account_id"]),
+        ("ix_addresses_contact_point_snapshots_source", ["tenant_id", "source_id", "created_at"]),
+        ("ix_addresses_contact_point_snapshots_hash", ["tenant_id", "snapshot_hash"]),
+    ):
+        op.create_index(name, "addresses_contact_point_snapshots", columns, unique=False)
+
+
+def downgrade() -> None:
+    op.drop_table("addresses_contact_point_snapshots")
+    op.drop_index("ix_addresses_contacts_source_ref", table_name="addresses_contacts")

src/govoplan_addresses/backend/migrations/versions/b4c6d7e8f9a0_contact_quality_and_merges.py

@@ -0,0 +1,281 @@
+"""Add address quality, provenance, merge evidence, and redirects.
+
+Revision ID: b4c6d7e8f9a0
+Revises: a3b5c6d7e8f9
+"""
+
+from __future__ import annotations
+
+import re
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "b4c6d7e8f9a0"
+down_revision = "a3b5c6d7e8f9"
+branch_labels = None
+depends_on = None
+
+_JSON_OBJECT = sa.text("'{}'")
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("addresses_contact_emails") as batch:
+        batch.add_column(sa.Column("original_email", sa.String(length=320), nullable=False, server_default=""))
+        batch.add_column(sa.Column("normalized_email", sa.String(length=320), nullable=False, server_default=""))
+        batch.add_column(sa.Column("provenance", sa.JSON(), nullable=False, server_default=_JSON_OBJECT))
+    with op.batch_alter_table("addresses_contact_phones") as batch:
+        batch.add_column(sa.Column("original_phone", sa.String(length=100), nullable=False, server_default=""))
+        batch.add_column(sa.Column("normalized_phone", sa.String(length=100), nullable=False, server_default=""))
+        batch.add_column(sa.Column("provenance", sa.JSON(), nullable=False, server_default=_JSON_OBJECT))
+    with op.batch_alter_table("addresses_contact_postal_addresses") as batch:
+        batch.add_column(sa.Column("original_value", sa.JSON(), nullable=False, server_default=_JSON_OBJECT))
+        batch.add_column(sa.Column("normalized_value", sa.JSON(), nullable=False, server_default=_JSON_OBJECT))
+        batch.add_column(sa.Column("provenance", sa.JSON(), nullable=False, server_default=_JSON_OBJECT))
+
+    bind = op.get_bind()
+    bind.execute(
+        sa.text(
+            "UPDATE addresses_contact_emails "
+            "SET original_email = email, normalized_email = lower(trim(email))"
+        )
+    )
+    phone_rows = bind.execute(
+        sa.text("SELECT id, phone FROM addresses_contact_phones")
+    ).mappings().all()
+    for row in phone_rows:
+        bind.execute(
+            sa.text(
+                "UPDATE addresses_contact_phones "
+                "SET original_phone = :original, normalized_phone = :normalized "
+                "WHERE id = :id"
+            ),
+            {
+                "id": row["id"],
+                "original": row["phone"],
+                "normalized": _normalized_phone(str(row["phone"] or "")),
+            },
+        )
+    postal = sa.table(
+        "addresses_contact_postal_addresses",
+        sa.column("id", sa.String()),
+        sa.column("label", sa.String()),
+        sa.column("street", sa.String()),
+        sa.column("postal_code", sa.String()),
+        sa.column("locality", sa.String()),
+        sa.column("region", sa.String()),
+        sa.column("country", sa.String()),
+        sa.column("original_value", sa.JSON()),
+        sa.column("normalized_value", sa.JSON()),
+    )
+    postal_rows = bind.execute(
+        sa.select(
+            postal.c.id,
+            postal.c.label,
+            postal.c.street,
+            postal.c.postal_code,
+            postal.c.locality,
+            postal.c.region,
+            postal.c.country,
+        )
+    ).mappings().all()
+    for row in postal_rows:
+        original = {
+            key: row[key]
+            for key in ("label", "street", "postal_code", "locality", "region", "country")
+        }
+        normalized = {
+            key: _normalized_text(row[key])
+            for key in ("label", "street", "postal_code", "locality", "region", "country")
+        }
+        bind.execute(
+            postal.update()
+            .where(postal.c.id == row["id"])
+            .values(original_value=original, normalized_value=normalized)
+        )
+
+    op.create_index(
+        "ix_addresses_contact_emails_normalized_email",
+        "addresses_contact_emails",
+        ["normalized_email"],
+    )
+    op.create_index(
+        "ix_addresses_contact_phones_normalized_phone",
+        "addresses_contact_phones",
+        ["normalized_phone"],
+    )
+
+    op.create_table(
+        "addresses_contact_point_quality_decisions",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("contact_id", sa.String(length=36), nullable=False),
+        sa.Column("channel", sa.String(length=30), nullable=False),
+        sa.Column("contact_point_id", sa.String(length=36), nullable=True),
+        sa.Column("state", sa.String(length=30), nullable=False),
+        sa.Column("reason_code", sa.String(length=120), nullable=False),
+        sa.Column("reason", sa.Text(), nullable=True),
+        sa.Column("evidence_ref", sa.String(length=1000), nullable=True),
+        sa.Column("effective_from", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("effective_until", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=False, server_default=_JSON_OBJECT),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["contact_id"], ["addresses_contacts.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_point_quality_decisions_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_point_quality_decisions_contact_id", ["contact_id"]),
+        ("ix_addresses_contact_point_quality_decisions_channel", ["channel"]),
+        ("ix_addresses_contact_point_quality_decisions_contact_point_id", ["contact_point_id"]),
+        ("ix_addresses_contact_point_quality_decisions_state", ["state"]),
+        ("ix_addresses_contact_point_quality_decisions_effective_from", ["effective_from"]),
+        ("ix_addresses_contact_point_quality_decisions_effective_until", ["effective_until"]),
+        ("ix_addresses_quality_created_by", ["created_by_account_id"]),
+        ("ix_addresses_quality_current", ["tenant_id", "contact_id", "channel", "contact_point_id", "effective_until"]),
+        ("ix_addresses_quality_state", ["tenant_id", "state", "effective_until"]),
+    ):
+        op.create_index(name, "addresses_contact_point_quality_decisions", columns)
+
+    op.create_table(
+        "addresses_contact_merge_records",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("address_book_id", sa.String(length=36), nullable=False),
+        sa.Column("winner_contact_id", sa.String(length=36), nullable=False),
+        sa.Column("loser_contact_ids", sa.JSON(), nullable=False),
+        sa.Column("status", sa.String(length=30), nullable=False),
+        sa.Column("reason", sa.Text(), nullable=False),
+        sa.Column("survivorship", sa.JSON(), nullable=False, server_default=_JSON_OBJECT),
+        sa.Column("decisions", sa.JSON(), nullable=False, server_default="[]"),
+        sa.Column("before_payload", sa.JSON(), nullable=False),
+        sa.Column("after_payload", sa.JSON(), nullable=False),
+        sa.Column("before_hash", sa.String(length=64), nullable=False),
+        sa.Column("after_hash", sa.String(length=64), nullable=False),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("recovered_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("recovered_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("recovery_action", sa.String(length=30), nullable=True),
+        sa.Column("recovery_reason", sa.Text(), nullable=True),
+        sa.Column("provenance", sa.JSON(), nullable=False, server_default=_JSON_OBJECT),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["address_book_id"], ["addresses_address_books.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["winner_contact_id"], ["addresses_contacts.id"], ondelete="RESTRICT"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_merge_records_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_merge_records_address_book_id", ["address_book_id"]),
+        ("ix_addresses_contact_merge_records_winner_contact_id", ["winner_contact_id"]),
+        ("ix_addresses_contact_merge_records_status", ["status"]),
+        ("ix_addresses_contact_merge_records_created_by_account_id", ["created_by_account_id"]),
+        ("ix_addresses_merge_winner", ["tenant_id", "winner_contact_id", "created_at"]),
+        ("ix_addresses_merge_status", ["tenant_id", "status", "created_at"]),
+    ):
+        op.create_index(name, "addresses_contact_merge_records", columns)
+
+    op.create_table(
+        "addresses_contact_redirects",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("source_contact_id", sa.String(length=36), nullable=False),
+        sa.Column("target_contact_id", sa.String(length=36), nullable=False),
+        sa.Column("merge_record_id", sa.String(length=36), nullable=False),
+        sa.Column("ended_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["merge_record_id"], ["addresses_contact_merge_records.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["source_contact_id"], ["addresses_contacts.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["target_contact_id"], ["addresses_contacts.id"], ondelete="RESTRICT"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_redirects_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_redirects_source_contact_id", ["source_contact_id"]),
+        ("ix_addresses_contact_redirects_target_contact_id", ["target_contact_id"]),
+        ("ix_addresses_contact_redirects_merge_record_id", ["merge_record_id"]),
+        ("ix_addresses_contact_redirects_ended_at", ["ended_at"]),
+        ("ix_addresses_contact_redirects_target", ["tenant_id", "target_contact_id", "ended_at"]),
+    ):
+        op.create_index(name, "addresses_contact_redirects", columns)
+    op.create_index(
+        "uq_addresses_contact_redirects_active_source",
+        "addresses_contact_redirects",
+        ["tenant_id", "source_contact_id"],
+        unique=True,
+        sqlite_where=sa.text("ended_at IS NULL"),
+        postgresql_where=sa.text("ended_at IS NULL"),
+    )
+
+    op.create_table(
+        "addresses_contact_field_provenance",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("contact_id", sa.String(length=36), nullable=False),
+        sa.Column("field_path", sa.String(length=255), nullable=False),
+        sa.Column("value", sa.JSON(), nullable=True),
+        sa.Column("source_kind", sa.String(length=40), nullable=False),
+        sa.Column("source_ref", sa.String(length=1000), nullable=True),
+        sa.Column("source_revision", sa.String(length=255), nullable=True),
+        sa.Column("precedence", sa.Integer(), nullable=False),
+        sa.Column("selected", sa.Boolean(), nullable=False),
+        sa.Column("reason_code", sa.String(length=120), nullable=False),
+        sa.Column("explanation", sa.Text(), nullable=True),
+        sa.Column("visibility", sa.String(length=30), nullable=False),
+        sa.Column("merge_record_id", sa.String(length=36), nullable=True),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=False, server_default=_JSON_OBJECT),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["contact_id"], ["addresses_contacts.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["merge_record_id"], ["addresses_contact_merge_records.id"], ondelete="SET NULL"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_field_provenance_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_field_provenance_contact_id", ["contact_id"]),
+        ("ix_addresses_contact_field_provenance_field_path", ["field_path"]),
+        ("ix_addresses_contact_field_provenance_selected", ["selected"]),
+        ("ix_addresses_contact_field_provenance_merge_record_id", ["merge_record_id"]),
+        ("ix_addresses_contact_field_provenance_created_by_account_id", ["created_by_account_id"]),
+        ("ix_addresses_field_provenance_contact", ["contact_id", "field_path", "created_at"]),
+        ("ix_addresses_field_provenance_selected", ["tenant_id", "contact_id", "selected"]),
+    ):
+        op.create_index(name, "addresses_contact_field_provenance", columns)
+
+
+def downgrade() -> None:
+    op.drop_table("addresses_contact_field_provenance")
+    op.drop_table("addresses_contact_redirects")
+    op.drop_table("addresses_contact_merge_records")
+    op.drop_table("addresses_contact_point_quality_decisions")
+    with op.batch_alter_table("addresses_contact_postal_addresses") as batch:
+        batch.drop_column("provenance")
+        batch.drop_column("normalized_value")
+        batch.drop_column("original_value")
+    with op.batch_alter_table("addresses_contact_phones") as batch:
+        batch.drop_index("ix_addresses_contact_phones_normalized_phone")
+        batch.drop_column("provenance")
+        batch.drop_column("normalized_phone")
+        batch.drop_column("original_phone")
+    with op.batch_alter_table("addresses_contact_emails") as batch:
+        batch.drop_index("ix_addresses_contact_emails_normalized_email")
+        batch.drop_column("provenance")
+        batch.drop_column("normalized_email")
+        batch.drop_column("original_email")
+
+
+def _normalized_text(value: object) -> str | None:
+    if value is None:
+        return None
+    normalized = " ".join(str(value).strip().casefold().split())
+    return normalized or None
+
+
+def _normalized_phone(value: str) -> str:
+    prefix = "+" if value.strip().startswith("+") else ""
+    return prefix + re.sub(r"\D", "", value)

src/govoplan_addresses/backend/migrations/versions/c5d7e8f9a0b1_address_import_profiles.py

@@ -0,0 +1,95 @@
+"""add versioned address import profiles and immutable run evidence
+
+Revision ID: c5d7e8f9a0b1
+Revises: b4c6d7e8f9a0
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "c5d7e8f9a0b1"
+down_revision = "b4c6d7e8f9a0"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "addresses_import_profiles",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("profile_key", sa.String(length=36), nullable=False),
+        sa.Column("version", sa.Integer(), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("scope_type", sa.String(length=20), nullable=False),
+        sa.Column("scope_id", sa.String(length=36), nullable=True),
+        sa.Column("name", sa.String(length=255), nullable=False),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("source_format", sa.String(length=20), nullable=False),
+        sa.Column("configuration", sa.JSON(), nullable=False),
+        sa.Column("is_current", sa.Boolean(), nullable=False),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("superseded_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("profile_key", "version", name="uq_addresses_import_profile_version"),
+    )
+    op.create_index("ix_addresses_import_profiles_profile_key", "addresses_import_profiles", ["profile_key"])
+    op.create_index("ix_addresses_import_profiles_tenant_id", "addresses_import_profiles", ["tenant_id"])
+    op.create_index("ix_addresses_import_profiles_scope_type", "addresses_import_profiles", ["scope_type"])
+    op.create_index("ix_addresses_import_profiles_scope_id", "addresses_import_profiles", ["scope_id"])
+    op.create_index("ix_addresses_import_profiles_source_format", "addresses_import_profiles", ["source_format"])
+    op.create_index("ix_addresses_import_profiles_is_current", "addresses_import_profiles", ["is_current"])
+    op.create_index("ix_addresses_import_profiles_created_by_account_id", "addresses_import_profiles", ["created_by_account_id"])
+    op.create_index("ix_addresses_import_profiles_superseded_at", "addresses_import_profiles", ["superseded_at"])
+    op.create_index("ix_addresses_import_profiles_scope", "addresses_import_profiles", ["tenant_id", "scope_type", "scope_id", "is_current"])
+    op.create_index("ix_addresses_import_profiles_format", "addresses_import_profiles", ["tenant_id", "source_format"])
+
+    op.create_table(
+        "addresses_import_runs",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("address_book_id", sa.String(length=36), nullable=False),
+        sa.Column("profile_id", sa.String(length=36), nullable=False),
+        sa.Column("source_filename", sa.String(length=500), nullable=False),
+        sa.Column("source_format", sa.String(length=20), nullable=False),
+        sa.Column("input_hash", sa.String(length=64), nullable=False),
+        sa.Column("plan_hash", sa.String(length=64), nullable=False),
+        sa.Column("status", sa.String(length=30), nullable=False),
+        sa.Column("row_count", sa.Integer(), nullable=False),
+        sa.Column("statistics", sa.JSON(), nullable=False),
+        sa.Column("diagnostics", sa.JSON(), nullable=False),
+        sa.Column("plan_data", sa.JSON(), nullable=False),
+        sa.Column("result_evidence", sa.JSON(), nullable=False),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("applied_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("rolled_back_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["address_book_id"], ["addresses_address_books.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["profile_id"], ["addresses_import_profiles.id"], ondelete="RESTRICT"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for column in (
+        "tenant_id",
+        "address_book_id",
+        "profile_id",
+        "source_format",
+        "input_hash",
+        "plan_hash",
+        "status",
+        "created_by_account_id",
+        "applied_at",
+        "rolled_back_at",
+    ):
+        op.create_index(f"ix_addresses_import_runs_{column}", "addresses_import_runs", [column])
+    op.create_index("ix_addresses_import_runs_book_status", "addresses_import_runs", ["address_book_id", "status", "created_at"])
+    op.create_index("ix_addresses_import_runs_tenant_hash", "addresses_import_runs", ["tenant_id", "input_hash"])
+
+
+def downgrade() -> None:
+    op.drop_table("addresses_import_runs")
+    op.drop_table("addresses_import_profiles")

src/govoplan_addresses/backend/migrations/versions/d6e8f9a0b1c2_vcard_batch_runs.py

@@ -0,0 +1,34 @@
+"""Allow profile-free persisted vCard batch runs.
+
+Revision ID: d6e8f9a0b1c2
+Revises: c5d7e8f9a0b1
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "d6e8f9a0b1c2"
+down_revision = "c5d7e8f9a0b1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("addresses_import_runs") as batch:
+        batch.alter_column(
+            "profile_id",
+            existing_type=sa.String(length=36),
+            nullable=True,
+        )
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("addresses_import_runs") as batch:
+        batch.alter_column(
+            "profile_id",
+            existing_type=sa.String(length=36),
+            nullable=False,
+        )

src/govoplan_addresses/backend/migrations/versions/f2a4b5c6d7e_addresses_channel_governance.py

@@ -0,0 +1,58 @@
+"""Add effective-dated contact channel governance.
+
+Revision ID: f2a4b5c6d7e
+Revises: e1f2a4b5c6d
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "f2a4b5c6d7e"
+down_revision = "e1f2a4b5c6d"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "addresses_contact_channel_rules",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=True),
+        sa.Column("contact_id", sa.String(length=36), nullable=False),
+        sa.Column("channel", sa.String(length=30), nullable=False),
+        sa.Column("purpose", sa.String(length=120), nullable=True),
+        sa.Column("contact_point_id", sa.String(length=36), nullable=True),
+        sa.Column("decision", sa.String(length=40), nullable=False),
+        sa.Column("legal_basis", sa.String(length=255), nullable=True),
+        sa.Column("evidence_ref", sa.String(length=1000), nullable=True),
+        sa.Column("reason", sa.Text(), nullable=True),
+        sa.Column("preference_rank", sa.Integer(), nullable=True),
+        sa.Column("locale", sa.String(length=20), nullable=True),
+        sa.Column("effective_from", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("effective_until", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_by_account_id", sa.String(length=36), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(["contact_id"], ["addresses_contacts.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    for name, columns in (
+        ("ix_addresses_contact_channel_rules_tenant_id", ["tenant_id"]),
+        ("ix_addresses_contact_channel_rules_contact_id", ["contact_id"]),
+        ("ix_addresses_contact_channel_rules_channel", ["channel"]),
+        ("ix_addresses_contact_channel_rules_purpose", ["purpose"]),
+        ("ix_addresses_contact_channel_rules_contact_point_id", ["contact_point_id"]),
+        ("ix_addresses_contact_channel_rules_decision", ["decision"]),
+        ("ix_addresses_contact_channel_rules_effective_from", ["effective_from"]),
+        ("ix_addresses_contact_channel_rules_effective_until", ["effective_until"]),
+        ("ix_addresses_contact_channel_rules_created_by_account_id", ["created_by_account_id"]),
+        ("ix_addresses_channel_rules_resolution", ["tenant_id", "contact_id", "channel", "purpose"]),
+        ("ix_addresses_channel_rules_effective", ["effective_from", "effective_until"]),
+    ):
+        op.create_index(name, "addresses_contact_channel_rules", columns, unique=False)
+
+
+def downgrade() -> None:
+    op.drop_table("addresses_contact_channel_rules")

src/govoplan_addresses/backend/provider_state.py

@@ -0,0 +1,206 @@
+from __future__ import annotations
+
+from collections import defaultdict
+from datetime import UTC, datetime, timedelta
+
+from sqlalchemy import func, select
+from sqlalchemy.orm import Session
+
+from govoplan_addresses.backend.db.models import (
+    AddressSyncConflict,
+    AddressSyncDiagnostic,
+    AddressSyncSource,
+)
+from govoplan_core.core.provider_governance import (
+    ExternalProviderRuntimeState,
+    ExternalProviderStateContext,
+)
+
+
+CARDDAV_PROVIDER_ID = "addresses.carddav_sync"
+LDAP_PROVIDER_ID = "addresses.ldap_directory"
+_CURRENT_WINDOW = timedelta(hours=24)
+
+
+def carddav_provider_states(
+    context: ExternalProviderStateContext,
+) -> tuple[ExternalProviderRuntimeState, ...]:
+    if not isinstance(context.session, Session):
+        raise RuntimeError("Addresses provider state requires a database session.")
+    return _provider_states(
+        context,
+        connector_types=("carddav",),
+        provider_id=CARDDAV_PROVIDER_ID,
+        label="CardDAV",
+    )
+
+
+def ldap_provider_states(
+    context: ExternalProviderStateContext,
+) -> tuple[ExternalProviderRuntimeState, ...]:
+    return _provider_states(
+        context,
+        connector_types=("ldap", "active_directory"),
+        provider_id=LDAP_PROVIDER_ID,
+        label="LDAP/Active Directory",
+    )
+
+
+def _provider_states(
+    context: ExternalProviderStateContext,
+    *,
+    connector_types: tuple[str, ...],
+    provider_id: str,
+    label: str,
+) -> tuple[ExternalProviderRuntimeState, ...]:
+    if not isinstance(context.session, Session):
+        raise RuntimeError("Addresses provider state requires a database session.")
+    statement = select(AddressSyncSource).where(
+        AddressSyncSource.connector_type.in_(connector_types)
+    )
+    if context.tenant_id is not None:
+        statement = statement.where(AddressSyncSource.tenant_id == context.tenant_id)
+    sources = tuple(
+        context.session.scalars(
+            statement.order_by(AddressSyncSource.tenant_id, AddressSyncSource.id).limit(
+                context.max_items + 1
+            )
+        )
+    )
+    if not sources:
+        return ()
+
+    source_ids = tuple(item.id for item in sources)
+    conflict_counts = _grouped_counts(
+        context.session,
+        AddressSyncConflict.sync_source_id,
+        AddressSyncConflict.status == "open",
+        source_ids,
+    )
+    error_counts = _grouped_counts(
+        context.session,
+        AddressSyncDiagnostic.sync_source_id,
+        AddressSyncDiagnostic.severity == "error",
+        source_ids,
+    )
+    observed_at = datetime.now(UTC)
+    return tuple(
+        _source_state(
+            source,
+            provider_id=provider_id,
+            label=label,
+            observed_at=observed_at,
+            conflict_count=conflict_counts.get(source.id, 0),
+            error_count=error_counts.get(source.id, 0),
+        )
+        for source in sources
+    )
+
+
+def _grouped_counts(
+    session: Session,
+    source_column: object,
+    predicate: object,
+    source_ids: tuple[str, ...],
+) -> dict[str, int]:
+    counts: dict[str, int] = defaultdict(int)
+    rows = session.execute(
+        select(source_column, func.count()).where(
+            source_column.in_(source_ids), predicate
+        ).group_by(source_column)
+    )
+    for source_id, count in rows:
+        counts[str(source_id)] = int(count)
+    return counts
+
+
+def _source_state(
+    source: AddressSyncSource,
+    *,
+    provider_id: str,
+    label: str,
+    observed_at: datetime,
+    conflict_count: int,
+    error_count: int,
+) -> ExternalProviderRuntimeState:
+    active = bool(source.enabled)
+    status = str(source.status or "idle")
+    health = (
+        "inactive"
+        if not active
+        else "error"
+        if status == "failed" or bool(source.last_error)
+        else "warning"
+        if status in {"conflict", "running"} or conflict_count or error_count
+        else "healthy"
+        if status == "succeeded"
+        else "unknown"
+    )
+    freshness = _freshness(source, observed_at=observed_at)
+    conflict = "pending" if conflict_count or status == "conflict" else "clear"
+    recovery = (
+        "not_applicable"
+        if not active
+        else "attention"
+        if health in {"error", "warning"} or conflict == "pending"
+        else "ready"
+    )
+    return ExternalProviderRuntimeState(
+        provider_id=provider_id,
+        binding_ref=f"addresses:sync-source:{source.id}",
+        authority_mode=(
+            "external_authoritative"
+            if provider_id == LDAP_PROVIDER_ID
+            else "external_mirror"
+            if source.read_only
+            else "governed_sync"
+        ),
+        observed_at=observed_at,
+        configured=True,
+        active=active,
+        health=health,
+        freshness=freshness,
+        conflict=conflict,
+        recovery=recovery,
+        last_success_at=_aware(source.last_success_at),
+        detail=(
+            f"{label} source is disabled."
+            if not active
+            else f"{label} source requires reconciliation."
+            if conflict == "pending"
+            else f"{label} source health has not been observed yet."
+            if health == "unknown"
+            else f"{label} source state is available."
+        ),
+        metrics={
+            "open_conflicts": conflict_count,
+            "error_diagnostics": error_count,
+            "read_only": bool(source.read_only),
+            "status": status,
+        },
+    )
+
+
+def _freshness(source: AddressSyncSource, *, observed_at: datetime) -> str:
+    if not source.enabled:
+        return "not_applicable"
+    last_success = _aware(source.last_success_at)
+    if last_success is None:
+        return "unknown"
+    return "current" if observed_at - last_success <= _CURRENT_WINDOW else "stale"
+
+
+def _aware(value: datetime | None) -> datetime | None:
+    if value is None:
+        return None
+    if value.tzinfo is None:
+        return value.replace(tzinfo=UTC)
+    return value.astimezone(UTC)
+
+
+__all__ = [
+    "CARDDAV_PROVIDER_ID",
+    "LDAP_PROVIDER_ID",
+    "carddav_provider_states",
+    "ldap_provider_states",
+]

src/govoplan_addresses/backend/schemas.py

@@ -14,6 +14,44 @@ AddressSyncConflictStatus = Literal["open", "resolved", "ignored"]
 AddressSyncConflictResolution = Literal["keep_local", "use_remote", "merge", "manual", "ignored"]
 AddressCardDavAuthType = Literal["none", "basic", "bearer"]
 AddressSyncPlanAction = Literal["create", "update", "delete", "remote_create", "remote_update", "remote_delete", "conflict", "unchanged", "error"]
+AddressDistributionChannel = Literal["email", "postal", "internal_mail", "portal"]
+AddressContactPointChannel = Literal[
+    "email",
+    "phone",
+    "postal",
+    "internal_mail",
+    "portal",
+]
+AddressChannelDecision = Literal[
+    "allowed",
+    "opted_in",
+    "preferred",
+    "opted_out",
+    "suppressed",
+    "invalid",
+    "returned",
+    "temporarily_unavailable",
+]
+AddressDistributionOutcome = Literal[
+    "usable",
+    "unresolved",
+    "invalid",
+    "suppressed",
+    "ambiguous",
+    "duplicate",
+    "policy_blocked",
+    "provider_unavailable",
+    "stale",
+]
+AddressContactPointFallbackRule = Literal["none", "primary", "any"]
+AddressPostalFormat = Literal["domestic", "international"]
+ContactPointQualityState = Literal[
+    "valid",
+    "invalid",
+    "returned",
+    "stale",
+    "undeliverable",
+]
 
 
 class ContactEmailPayload(BaseModel):
@@ -162,12 +200,75 @@ class ContactUpdateRequest(BaseModel):
     provenance: dict[str, Any] | None = None
 
 
+class ContactFieldProvenanceResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
+    contact_id: str
+    field_path: str
+    value: Any = None
+    source_kind: str
+    source_ref: str | None = None
+    source_revision: str | None = None
+    precedence: int
+    selected: bool
+    reason_code: str
+    explanation: str | None = None
+    visibility: str
+    merge_record_id: str | None = None
+    created_by_account_id: str | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict, validation_alias="metadata_")
+    created_at: datetime
+
+
+class ContactPointQualityDecisionCreateRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    channel: AddressContactPointChannel
+    contact_point_id: str | None = Field(default=None, max_length=36)
+    state: ContactPointQualityState
+    reason_code: str | None = Field(default=None, max_length=120)
+    reason: str | None = None
+    evidence_ref: str | None = Field(default=None, max_length=1000)
+    effective_from: datetime | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointQualityDecisionResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
+    tenant_id: str | None = None
+    contact_id: str
+    channel: AddressContactPointChannel
+    contact_point_id: str | None = None
+    state: ContactPointQualityState
+    reason_code: str
+    reason: str | None = None
+    evidence_ref: str | None = None
+    effective_from: datetime
+    effective_until: datetime | None = None
+    created_by_account_id: str | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict, validation_alias="metadata_")
+    created_at: datetime
+    updated_at: datetime
+
+
+class ContactPointQualityDecisionListResponse(BaseModel):
+    decisions: list[ContactPointQualityDecisionResponse] = Field(default_factory=list)
+
+
 class ContactEmailResponse(BaseModel):
     model_config = ConfigDict(from_attributes=True)
 
     id: str
     label: str | None = None
     email: str
+    original_email: str = ""
+    normalized_email: str = ""
+    provenance: dict[str, Any] = Field(default_factory=dict)
+    quality_state: ContactPointQualityState = "valid"
+    quality_reason_code: str | None = None
     is_primary: bool
 
 
@@ -177,6 +278,11 @@ class ContactPhoneResponse(BaseModel):
     id: str
     label: str | None = None
     phone: str
+    original_phone: str = ""
+    normalized_phone: str = ""
+    provenance: dict[str, Any] = Field(default_factory=dict)
+    quality_state: ContactPointQualityState = "valid"
+    quality_reason_code: str | None = None
     is_primary: bool
 
 
@@ -190,6 +296,11 @@ class ContactPostalAddressResponse(BaseModel):
     locality: str | None = None
     region: str | None = None
     country: str | None = None
+    original_value: dict[str, Any] = Field(default_factory=dict)
+    normalized_value: dict[str, Any] = Field(default_factory=dict)
+    provenance: dict[str, Any] = Field(default_factory=dict)
+    quality_state: ContactPointQualityState = "valid"
+    quality_reason_code: str | None = None
     is_primary: bool
 
 
@@ -214,6 +325,7 @@ class ContactResponse(BaseModel):
     emails: list[ContactEmailResponse]
     phones: list[ContactPhoneResponse]
     postal_addresses: list[ContactPostalAddressResponse]
+    field_provenance: list[ContactFieldProvenanceResponse] = Field(default_factory=list)
     deleted_at: datetime | None = None
     created_at: datetime
     updated_at: datetime
@@ -221,6 +333,270 @@ class ContactResponse(BaseModel):
 
 class ContactListResponse(BaseModel):
     contacts: list[ContactResponse]
+    total: int
+    offset: int
+    limit: int
+    has_more: bool
+
+
+class ContactDuplicateFeatureResponse(BaseModel):
+    code: str
+    label: str
+    weight: int
+    value: str
+
+
+class ContactDuplicateSuggestionResponse(BaseModel):
+    left: ContactResponse
+    right: ContactResponse
+    score: int
+    confidence: Literal["possible", "likely", "strong"]
+    features: list[ContactDuplicateFeatureResponse]
+
+
+class ContactDuplicateSuggestionListResponse(BaseModel):
+    suggestions: list[ContactDuplicateSuggestionResponse] = Field(default_factory=list)
+    scanned_contacts: int
+    candidate_pairs: int
+    truncated: bool
+
+
+class ContactMergeRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    winner_contact_id: str = Field(max_length=36)
+    duplicate_contact_ids: list[str] = Field(min_length=1, max_length=20)
+    reason: str = Field(min_length=3)
+    field_sources: dict[str, str] = Field(default_factory=dict)
+    contact_point_strategy: Literal["union", "winner_only"] = "union"
+    source_precedence: list[str] = Field(default_factory=list, max_length=20)
+
+
+class ContactMergeRecoveryRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    reason: str = Field(min_length=3)
+    expected_after_hash: str = Field(min_length=64, max_length=64)
+
+
+class ContactMergeRecordResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
+    tenant_id: str | None = None
+    address_book_id: str
+    winner_contact_id: str
+    loser_contact_ids: list[str]
+    status: str
+    reason: str
+    survivorship: dict[str, Any]
+    decisions: list[dict[str, Any]]
+    before_hash: str
+    after_hash: str
+    created_by_account_id: str | None = None
+    recovered_at: datetime | None = None
+    recovered_by_account_id: str | None = None
+    recovery_action: str | None = None
+    recovery_reason: str | None = None
+    provenance: dict[str, Any]
+    created_at: datetime
+    updated_at: datetime
+
+
+class ContactMergeRecordListResponse(BaseModel):
+    merges: list[ContactMergeRecordResponse] = Field(default_factory=list)
+
+
+class ContactRedirectResponse(BaseModel):
+    requested_contact_id: str
+    resolved_contact_id: str
+    redirected: bool
+    redirect_chain: list[str] = Field(default_factory=list)
+    merge_record_ids: list[str] = Field(default_factory=list)
+
+
+class AddressQualityCorrectionResponse(BaseModel):
+    contact_id: str
+    display_name: str
+    channel: AddressContactPointChannel
+    contact_point_id: str | None = None
+    state: ContactPointQualityState
+    reason_code: str
+    reason: str | None = None
+    effective_from: datetime
+
+
+class AddressQualitySummaryResponse(BaseModel):
+    contact_count: int
+    contact_point_count: int
+    quality_counts: dict[str, int] = Field(default_factory=dict)
+    duplicate_suggestion_count: int
+    correction_count: int
+    corrections: list[AddressQualityCorrectionResponse] = Field(default_factory=list)
+    truncated: bool = False
+
+
+class ContactChannelRuleCreateRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    channel: AddressDistributionChannel
+    purpose: str | None = Field(default=None, max_length=120)
+    contact_point_id: str | None = Field(default=None, max_length=36)
+    decision: AddressChannelDecision
+    legal_basis: str | None = Field(default=None, max_length=255)
+    evidence_ref: str | None = Field(default=None, max_length=1000)
+    reason: str | None = None
+    preference_rank: int | None = Field(default=None, ge=0, le=10000)
+    locale: str | None = Field(default=None, max_length=20)
+    effective_from: datetime | None = None
+    effective_until: datetime | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactChannelRuleResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: str
+    tenant_id: str | None = None
+    contact_id: str
+    channel: AddressDistributionChannel
+    purpose: str | None = None
+    contact_point_id: str | None = None
+    decision: AddressChannelDecision
+    legal_basis: str | None = None
+    evidence_ref: str | None = None
+    reason: str | None = None
+    preference_rank: int | None = None
+    locale: str | None = None
+    effective_from: datetime | None = None
+    effective_until: datetime | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict, validation_alias="metadata_")
+    created_by_account_id: str | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class ContactChannelRuleListResponse(BaseModel):
+    rules: list[ContactChannelRuleResponse] = Field(default_factory=list)
+
+
+class AddressSourceReferencePayload(BaseModel):
+    provider: str = Field(min_length=1, max_length=120)
+    resource_type: str = Field(min_length=1, max_length=120)
+    resource_id: str = Field(min_length=1, max_length=1000)
+    revision: str | None = Field(default=None, max_length=1000)
+    fingerprint: str | None = Field(default=None, max_length=255)
+    label: str | None = Field(default=None, max_length=500)
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointResolveRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    subject: AddressSourceReferencePayload
+    effective_at: datetime
+    purpose: str | None = Field(default=None, max_length=120)
+    requested_channels: list[AddressDistributionChannel] = Field(default_factory=list)
+    address_purpose: str | None = Field(default=None, max_length=80)
+    fallback_rule: AddressContactPointFallbackRule = "primary"
+    locale: str | None = Field(default=None, max_length=20)
+    postal_format: AddressPostalFormat = "domestic"
+    context: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointSourceRequestPayload(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    source_id: str = Field(min_length=1, max_length=1000)
+    effective_at: datetime
+    purpose: str | None = Field(default=None, max_length=120)
+    requested_channels: list[AddressDistributionChannel] = Field(default_factory=list)
+    address_purpose: str | None = Field(default=None, max_length=80)
+    fallback_rule: AddressContactPointFallbackRule = "primary"
+    locale: str | None = Field(default=None, max_length=20)
+    postal_format: AddressPostalFormat = "domestic"
+    max_items: int = Field(default=5000, ge=1, le=20000)
+    context: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointSourceRequestResponse(ContactPointSourceRequestPayload):
+    tenant_id: str
+
+
+class ContactPointCandidateResponse(BaseModel):
+    channel: AddressDistributionChannel
+    target: str
+    target_key: str
+    status: AddressDistributionOutcome
+    contact_point_id: str | None = None
+    address_purpose: str | None = None
+    locale: str | None = None
+    preferred: bool = False
+    preference_rank: int | None = None
+    reason_code: str | None = None
+    explanation: str | None = None
+    source: AddressSourceReferencePayload | None = None
+    source_revision: str | None = None
+    preference_revision: str | None = None
+    consent_revision: str | None = None
+    value: dict[str, Any] = Field(default_factory=dict)
+    provenance: dict[str, Any] = Field(default_factory=dict)
+
+
+class DistributionExplanationResponse(BaseModel):
+    code: str
+    message: str
+    severity: Literal["info", "warning", "error"]
+    provider: str | None = None
+    source: AddressSourceReferencePayload | None = None
+    provenance: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointResolutionResponse(BaseModel):
+    contract_version: str
+    subject: AddressSourceReferencePayload
+    status: AddressDistributionOutcome
+    contact_id: str | None = None
+    display_name: str | None = None
+    candidates: list[ContactPointCandidateResponse] = Field(default_factory=list)
+    excluded: list[ContactPointCandidateResponse] = Field(default_factory=list)
+    explanations: list[DistributionExplanationResponse] = Field(default_factory=list)
+    source_revision: str | None = None
+    source_fingerprint: str | None = None
+    provenance: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointSourcePreviewResponse(BaseModel):
+    contract_version: str
+    source: AddressSourceReferencePayload
+    request: ContactPointSourceRequestResponse
+    resolutions: list[ContactPointResolutionResponse]
+    total_count: int
+    usable_count: int
+    excluded_count: int
+    offset: int
+    limit: int
+    has_more: bool
+    source_revision: str
+    source_fingerprint: str
+    generated_at: datetime
+    provenance: dict[str, Any] = Field(default_factory=dict)
+
+
+class ContactPointSnapshotResponse(BaseModel):
+    id: str
+    tenant_id: str
+    contract_version: str
+    source: AddressSourceReferencePayload
+    request: ContactPointSourceRequestResponse
+    resolutions: list[ContactPointResolutionResponse]
+    recipient_count: int
+    excluded_count: int
+    source_revision: str
+    source_fingerprint: str
+    snapshot_hash: str
+    generated_at: datetime
+    provenance: dict[str, Any] = Field(default_factory=dict)
 
 
 class AddressLookupResponse(BaseModel):
@@ -439,6 +815,26 @@ class AddressCardDavDiscoveryResponse(BaseModel):
     address_books: list[AddressCardDavAddressBookResponse]
 
 
+class AddressCredentialEnvelopeResponse(BaseModel):
+    id: str
+    scope_type: str
+    scope_id: str | None = None
+    name: str
+    description: str | None = None
+    credential_kind: str
+    public_data: dict[str, Any] = Field(default_factory=dict)
+    secret_keys: list[str] = Field(default_factory=list)
+    secret_configured: bool = False
+    allowed_modules: list[str] = Field(default_factory=list)
+    inherit_to_lower_scopes: bool = False
+    is_active: bool = True
+    revision: str
+
+
+class AddressCredentialEnvelopeListResponse(BaseModel):
+    credentials: list[AddressCredentialEnvelopeResponse] = Field(default_factory=list)
+
+
 class AddressCardDavSourceCreateRequest(BaseModel):
     collection_url: str = Field(min_length=1, max_length=2000)
     display_name: str | None = Field(default=None, max_length=255)

src/govoplan_addresses/backend/vcard.py

@@ -16,6 +16,12 @@ class VCardError(ValueError):
     pass
 
 
+VCARD_PARSER_VERSION = "govoplan-vcard/2"
+MAX_VCARD_CARDS = 10_000
+MAX_VCARD_LINES = 200_000
+MAX_VCARD_UNFOLDED_LINE_CHARS = 16_384
+
+
 @dataclass(frozen=True, slots=True)
 class ParsedVCard:
     payload: ContactCreateRequest
@@ -60,12 +66,16 @@ class _VCardDraft:
 
 def _normalize_lines(content: str) -> list[str]:
     raw_lines = content.replace("\r\n", "\n").replace("\r", "\n").split("\n")
+    if len(raw_lines) > MAX_VCARD_LINES:
+        raise VCardError(f"vCard input exceeds the {MAX_VCARD_LINES}-line parser limit.")
     lines: list[str] = []
     for line in raw_lines:
         if line.startswith((" ", "\t")) and lines:
             lines[-1] += line[1:]
         elif line:
             lines.append(line)
+        if lines and len(lines[-1]) > MAX_VCARD_UNFOLDED_LINE_CHARS:
+            raise VCardError(f"vCard unfolded lines are limited to {MAX_VCARD_UNFOLDED_LINE_CHARS} characters.")
     return lines
 
 
@@ -90,27 +100,13 @@ def _split_unescaped(value: str, separator: str) -> list[str]:
 
 
 def _unescape_text(value: str) -> str:
-    return (
+    return value.replace("\\n", "\n").replace("\\N", "\n").replace("\\,", ",").replace("\\;", ";").replace("\\\\", "\\").strip()
-        value.replace("\\n", "\n")
-        .replace("\\N", "\n")
-        .replace("\\,", ",")
-        .replace("\\;", ";")
-        .replace("\\\\", "\\")
-        .strip()
-    )
 
 
 def _escape_text(value: str | None) -> str:
     if value is None:
         return ""
-    return (
+    return value.replace("\\", "\\\\").replace("\r\n", "\n").replace("\r", "\n").replace("\n", "\\n").replace(";", "\\;").replace(",", "\\,")
-        value.replace("\\", "\\\\")
-        .replace("\r\n", "\n")
-        .replace("\r", "\n")
-        .replace("\n", "\\n")
-        .replace(";", "\\;")
-        .replace(",", "\\,")
-    )
 
 
 def _parse_head(head: str) -> tuple[str, dict[str, list[str]]]:
@@ -154,7 +150,7 @@ def _is_pref(params: dict[str, list[str]]) -> bool:
 
 
 def _card_blocks(content: str) -> list[list[str]]:
-    result = _card_blocks_with_issues(content)
+    result = _card_blocks_with_issues(content, max_cards=MAX_VCARD_CARDS)
     if result.issues:
         raise VCardError(result.issues[0].message)
     return result.cards
@@ -166,8 +162,14 @@ class _CardBlockResult:
     issues: list[ParsedVCardIssue]
 
 
-def _card_blocks_with_issues(content: str) -> _CardBlockResult:
+def _card_blocks_with_issues(content: str, *, max_cards: int) -> _CardBlockResult:
-    lines = _normalize_lines(content)
+    try:
+        lines = _normalize_lines(content)
+    except VCardError as exc:
+        return _CardBlockResult(
+            cards=[],
+            issues=[ParsedVCardIssue(index=0, message=str(exc))],
+        )
     blocks: list[list[str]] = []
     issues: list[ParsedVCardIssue] = []
     current: list[str] | None = None
@@ -189,6 +191,15 @@ def _card_blocks_with_issues(content: str) -> _CardBlockResult:
                 issues.append(ParsedVCardIssue(index=card_index, message="vCard END appears before BEGIN."))
                 continue
             current.append(line)
+            if len(blocks) >= max_cards:
+                issues.append(
+                    ParsedVCardIssue(
+                        index=len(blocks) + 1,
+                        message=f"vCard input exceeds the configured {max_cards}-card limit.",
+                    )
+                )
+                current = None
+                break
             blocks.append(current)
             current = None
         elif current is not None:
@@ -258,7 +269,14 @@ def _apply_card_metadata(
     if name == "VERSION":
         draft.version = value.strip()
         if draft.version and draft.version not in {"3.0", "4.0"}:
-            issues.append(ParsedVCardIssue(index=index, severity="warning", field="VERSION", message=f"vCard version {draft.version} is not fully supported."))
+            issues.append(
+                ParsedVCardIssue(
+                    index=index,
+                    severity="warning",
+                    field="VERSION",
+                    message=f"vCard version {draft.version} is not fully supported.",
+                )
+            )
         return True
     if name == "UID":
         draft.uid = _unescape_text(value) or draft.uid
@@ -325,15 +343,34 @@ def _append_card_email(
     if not email:
         return
     if "@" not in email:
-        issues.append(ParsedVCardIssue(index=index, severity="warning", field="EMAIL", message=f"Skipped invalid email address: {email}"))
+        issues.append(
+            ParsedVCardIssue(
+                index=index,
+                severity="warning",
+                field="EMAIL",
+                message=f"Skipped invalid email address: {email}",
+            )
+        )
         return
-    draft.emails.append(ContactEmailPayload(label=_label_from_params(params), email=email, is_primary=_is_pref(params) or not draft.emails))
+    draft.emails.append(
+        ContactEmailPayload(
+            label=_label_from_params(params),
+            email=email,
+            is_primary=_is_pref(params) or not draft.emails,
+        )
+    )
 
 
 def _append_card_phone(draft: _VCardDraft, params: dict[str, list[str]], value: str) -> None:
     phone = _unescape_text(value)
     if phone:
-        draft.phones.append(ContactPhonePayload(label=_label_from_params(params), phone=phone, is_primary=_is_pref(params) or not draft.phones))
+        draft.phones.append(
+            ContactPhonePayload(
+                label=_label_from_params(params),
+                phone=phone,
+                is_primary=_is_pref(params) or not draft.phones,
+            )
+        )
 
 
 def _append_card_address(draft: _VCardDraft, params: dict[str, list[str]], value: str) -> None:
@@ -388,8 +425,14 @@ def _draft_contact_payload(draft: _VCardDraft) -> ContactCreateRequest:
     return payload
 
 
-def parse_vcards_with_issues(content: str) -> VCardParseResult:
+def parse_vcards_with_issues(
-    blocks = _card_blocks_with_issues(content)
+    content: str,
+    *,
+    max_cards: int = MAX_VCARD_CARDS,
+) -> VCardParseResult:
+    if max_cards < 1 or max_cards > MAX_VCARD_CARDS:
+        raise VCardError(f"max_cards must be between 1 and {MAX_VCARD_CARDS}.")
+    blocks = _card_blocks_with_issues(content, max_cards=max_cards)
     parsed: list[ParsedVCard] = []
     issues = list(blocks.issues)
     skipped = 0
@@ -411,8 +454,8 @@ def parse_vcards(content: str) -> list[ParsedVCard]:
     return result.cards
 
 
-def contact_to_vcard(contact: Contact) -> str:
+def contact_to_vcard(contact: Contact, *, version: Literal["3.0", "4.0"] = "4.0") -> str:
-    lines = _contact_identity_lines(contact)
+    lines = _contact_identity_lines(contact, version=version)
     lines.extend(_contact_email_lines(contact))
     lines.extend(_contact_phone_lines(contact))
     lines.extend(_contact_address_lines(contact))
@@ -422,10 +465,14 @@ def contact_to_vcard(contact: Contact) -> str:
     return "\r\n".join(lines) + "\r\n"
 
 
-def _contact_identity_lines(contact: Contact) -> list[str]:
+def _contact_identity_lines(
+    contact: Contact,
+    *,
+    version: Literal["3.0", "4.0"],
+) -> list[str]:
     lines = [
         "BEGIN:VCARD",
-        "VERSION:4.0",
+        f"VERSION:{version}",
         f"FN:{_escape_text(contact.display_name)}",
         f"N:{_escape_text(contact.family_name)};{_escape_text(contact.given_name)};;;",
     ]
@@ -460,11 +507,7 @@ def _contact_address_lines(contact: Contact) -> list[str]:
     lines: list[str] = []
     for address in contact.postal_addresses:
         label = f";TYPE={_escape_text(address.label)}" if address.label else ""
-        lines.append(
+        lines.append(f"ADR{label}:;;{_escape_text(address.street)};{_escape_text(address.locality)};{_escape_text(address.region)};{_escape_text(address.postal_code)};{_escape_text(address.country)}")
-            "ADR"
-            f"{label}:;;{_escape_text(address.street)};{_escape_text(address.locality)};"
-            f"{_escape_text(address.region)};{_escape_text(address.postal_code)};{_escape_text(address.country)}"
-        )
     return lines
 
 
@@ -496,5 +539,9 @@ def _contact_vcard_urls(contact: Contact) -> object:
     return vcard.get("urls")
 
 
-def contacts_to_vcard(contacts: list[Contact]) -> str:
+def contacts_to_vcard(
-    return "".join(contact_to_vcard(contact) for contact in contacts)
+    contacts: list[Contact],
+    *,
+    version: Literal["3.0", "4.0"] = "4.0",
+) -> str:
+    return "".join(contact_to_vcard(contact, version=version) for contact in contacts)

src/govoplan_addresses/backend/vcard_batch_schemas.py

@@ -0,0 +1,144 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, Literal
+
+from pydantic import BaseModel, Field, model_validator
+
+
+VCardPlanAction = Literal["create", "update", "ignore", "unchanged", "conflict"]
+VCardCommitAction = Literal["create", "update", "ignore"]
+
+
+class VCardBatchFilePayload(BaseModel):
+    filename: str = Field(min_length=1, max_length=500)
+    content_base64: str = Field(min_length=1, max_length=14_000_000)
+
+
+class VCardBatchPreviewRequest(BaseModel):
+    files: list[VCardBatchFilePayload] = Field(min_length=1, max_length=50)
+    duplicate_card_policy: Literal["reject", "first", "last"] = "reject"
+    existing_contact_policy: Literal["update", "ignore", "reject"] = "update"
+
+
+class VCardDuplicateSuggestion(BaseModel):
+    contact_id: str
+    display_name: str
+    reasons: list[str] = Field(default_factory=list)
+
+
+class VCardBatchPlanItemResponse(BaseModel):
+    source_key: str
+    source_filename: str
+    card_index: int
+    action: VCardPlanAction
+    allowed_actions: list[VCardCommitAction] = Field(default_factory=list)
+    contact_id: str | None = None
+    display_name: str | None = None
+    changed_fields: list[str] = Field(default_factory=list)
+    duplicate_suggestions: list[VCardDuplicateSuggestion] = Field(default_factory=list)
+    message: str | None = None
+
+
+class VCardBatchDiagnosticResponse(BaseModel):
+    severity: Literal["info", "warning", "error"]
+    code: str
+    message: str
+    source_filename: str | None = None
+    card_index: int | None = None
+    field: str | None = None
+    details: dict[str, Any] = Field(default_factory=dict)
+
+
+class VCardBatchProgressResponse(BaseModel):
+    total: int
+    completed: int
+    created: int = 0
+    updated: int = 0
+    ignored: int = 0
+    failed: int = 0
+
+
+class VCardBatchRunResponse(BaseModel):
+    id: str
+    address_book_id: str
+    status: str
+    input_hash: str
+    plan_hash: str
+    parser_version: str
+    execution_mode: Literal["bounded_sync", "persisted_batch"]
+    file_count: int
+    card_count: int
+    statistics: dict[str, int | str] = Field(default_factory=dict)
+    diagnostics: list[VCardBatchDiagnosticResponse] = Field(default_factory=list)
+    plan: list[VCardBatchPlanItemResponse] = Field(default_factory=list)
+    progress: VCardBatchProgressResponse
+    can_apply: bool
+    can_cancel: bool
+    commit_hash: str | None = None
+    created_at: datetime
+    updated_at: datetime
+    applied_at: datetime | None = None
+
+
+class VCardBatchSelection(BaseModel):
+    source_key: str = Field(min_length=1, max_length=1000)
+    action: VCardCommitAction
+
+
+class VCardBatchCommitRequest(BaseModel):
+    expected_plan_hash: str = Field(min_length=64, max_length=64)
+    selections: list[VCardBatchSelection] = Field(
+        default_factory=list, max_length=10_000
+    )
+
+
+class VCardBatchCancelRequest(BaseModel):
+    expected_plan_hash: str = Field(min_length=64, max_length=64)
+    reason: str = Field(min_length=3, max_length=2000)
+
+
+class VCardExportRequest(BaseModel):
+    scope: Literal["address_book", "address_list", "contacts"] = "address_book"
+    address_list_id: str | None = Field(default=None, max_length=36)
+    contact_ids: list[str] = Field(default_factory=list, max_length=10_000)
+    version: Literal["3.0", "4.0"] = "4.0"
+
+    @model_validator(mode="after")
+    def validate_scope(self) -> "VCardExportRequest":
+        if self.scope == "address_list" and not self.address_list_id:
+            raise ValueError("Address-list export requires address_list_id.")
+        if self.scope == "contacts" and not self.contact_ids:
+            raise ValueError(
+                "Selected-contact export requires at least one contact id."
+            )
+        if self.scope != "address_list" and self.address_list_id:
+            raise ValueError("address_list_id is only valid for address-list export.")
+        if self.scope != "contacts" and self.contact_ids:
+            raise ValueError("contact_ids are only valid for selected-contact export.")
+        if len(set(self.contact_ids)) != len(self.contact_ids):
+            raise ValueError("Selected contact ids must be unique.")
+        return self
+
+
+class VCardExportResponse(BaseModel):
+    filename: str
+    media_type: str = "text/vcard"
+    scope: str
+    version: str
+    ordering: str
+    contact_count: int
+    content_hash: str
+    content: str
+
+
+__all__ = [
+    "VCardBatchCancelRequest",
+    "VCardBatchCommitRequest",
+    "VCardBatchFilePayload",
+    "VCardBatchPreviewRequest",
+    "VCardBatchRunResponse",
+    "VCardBatchSelection",
+    "VCardExportRequest",
+    "VCardExportResponse",
+]

src/govoplan_addresses/backend/vcard_batches.py

@@ -0,0 +1,901 @@
+from __future__ import annotations
+
+import base64
+import binascii
+from collections import Counter, defaultdict
+import hashlib
+import json
+import os
+from typing import Any
+
+from sqlalchemy.orm import Session, selectinload
+
+from govoplan_addresses.backend.db.models import (
+    AddressImportRun,
+    AddressListEntry,
+    Contact,
+)
+from govoplan_addresses.backend.schemas import (
+    ContactCreateRequest,
+    ContactUpdateRequest,
+)
+from govoplan_addresses.backend.service import (
+    AddressBookError,
+    create_contact,
+    get_visible_address_book,
+    get_visible_address_list,
+    get_visible_contact,
+    update_contact,
+)
+from govoplan_addresses.backend.vcard import (
+    MAX_VCARD_CARDS,
+    VCARD_PARSER_VERSION,
+    contacts_to_vcard,
+    parse_vcards_with_issues,
+)
+from govoplan_addresses.backend.vcard_batch_schemas import (
+    VCardBatchCancelRequest,
+    VCardBatchCommitRequest,
+    VCardBatchPreviewRequest,
+    VCardExportRequest,
+)
+from govoplan_core.auth import ApiPrincipal
+from govoplan_core.db.base import utcnow
+
+
+MAX_VCARD_BATCH_BYTES = 10_000_000
+DEFAULT_PERSISTED_BATCH_THRESHOLD = 500
+
+
+def preview_vcard_batch(
+    session: Session,
+    principal: ApiPrincipal,
+    address_book_id: str,
+    payload: VCardBatchPreviewRequest,
+) -> AddressImportRun:
+    book = get_visible_address_book(session, principal, address_book_id)
+    if book.read_only:
+        raise AddressBookError("Static vCard imports require a writable address book.")
+
+    decoded = _decode_files(payload)
+    input_hash = _hash_json(
+        {
+            "files": [
+                {
+                    "filename": filename,
+                    "sha256": hashlib.sha256(raw).hexdigest(),
+                    "size": len(raw),
+                }
+                for filename, raw in decoded
+            ]
+        }
+    )
+    parsed_cards, diagnostics = _parse_files(decoded)
+    plan = _plan_cards(
+        session,
+        book.id,
+        parsed_cards,
+        duplicate_card_policy=payload.duplicate_card_policy,
+        existing_contact_policy=payload.existing_contact_policy,
+    )
+    statistics: dict[str, int | str] = dict(
+        Counter(str(item["action"]) for item in plan)
+    )
+    statistics.update(
+        {
+            "files": len(decoded),
+            "cards": len(parsed_cards),
+            "errors": sum(item["severity"] == "error" for item in diagnostics),
+            "warnings": sum(item["severity"] == "warning" for item in diagnostics),
+            "parser_version": VCARD_PARSER_VERSION,
+            "execution_mode": _execution_mode(len(parsed_cards)),
+        }
+    )
+    plan_hash = _hash_json(
+        {
+            "address_book_id": book.id,
+            "input_hash": input_hash,
+            "parser_version": VCARD_PARSER_VERSION,
+            "duplicate_card_policy": payload.duplicate_card_policy,
+            "existing_contact_policy": payload.existing_contact_policy,
+            "plan": plan,
+        }
+    )
+    source_filename = decoded[0][0]
+    if len(decoded) > 1:
+        source_filename = f"{source_filename} (+{len(decoded) - 1} files)"
+    run = AddressImportRun(
+        tenant_id=book.tenant_id,
+        address_book_id=book.id,
+        profile_id=None,
+        source_filename=source_filename[:500],
+        source_format="vcard",
+        input_hash=input_hash,
+        plan_hash=plan_hash,
+        status="previewed",
+        row_count=len(parsed_cards),
+        statistics=statistics,
+        diagnostics=diagnostics,
+        plan_data=plan,
+        result_evidence={
+            "parser_version": VCARD_PARSER_VERSION,
+            "file_manifest": [
+                {
+                    "filename": filename,
+                    "sha256": hashlib.sha256(raw).hexdigest(),
+                    "size": len(raw),
+                }
+                for filename, raw in decoded
+            ],
+            "progress": _progress(len(plan)),
+        },
+        created_by_account_id=principal.account_id,
+    )
+    session.add(run)
+    session.flush()
+    return run
+
+
+def get_vcard_batch_run(
+    session: Session,
+    principal: ApiPrincipal,
+    run_id: str,
+) -> AddressImportRun:
+    book_ids = [book.id for book in _visible_books(session, principal)]
+    if not book_ids:
+        raise AddressBookError("vCard batch run not found.")
+    item = (
+        session.query(AddressImportRun)
+        .filter(
+            AddressImportRun.id == run_id,
+            AddressImportRun.address_book_id.in_(book_ids),
+            AddressImportRun.source_format == "vcard",
+        )
+        .one_or_none()
+    )
+    if item is None:
+        raise AddressBookError("vCard batch run not found.")
+    return item
+
+
+def apply_vcard_batch(
+    session: Session,
+    principal: ApiPrincipal,
+    run_id: str,
+    payload: VCardBatchCommitRequest,
+) -> AddressImportRun:
+    run = get_vcard_batch_run(session, principal, run_id)
+    if run.plan_hash != payload.expected_plan_hash:
+        raise AddressBookError("The reviewed vCard plan changed; create a new preview.")
+    selections = _selection_map(payload)
+    commit_hash = _hash_json(
+        {
+            "plan_hash": run.plan_hash,
+            "selections": [
+                {"source_key": key, "action": selections[key]}
+                for key in sorted(selections)
+            ],
+        }
+    )
+    evidence = dict(run.result_evidence or {})
+    if run.status == "applied":
+        if evidence.get("commit_hash") != commit_hash:
+            raise AddressBookError(
+                "This vCard batch was already applied with a different selection."
+            )
+        return run
+    if run.status != "previewed":
+        raise AddressBookError(
+            f"vCard batch cannot be applied from status {run.status!r}."
+        )
+    if not selections:
+        raise AddressBookError(
+            "Select at least one vCard action before applying the batch."
+        )
+
+    plan_by_key = {str(item["source_key"]): item for item in run.plan_data or []}
+    unknown = sorted(set(selections).difference(plan_by_key))
+    if unknown:
+        raise AddressBookError(
+            "The selection contains cards that are not part of the reviewed plan."
+        )
+    created_ids: list[str] = []
+    updated_ids: list[str] = []
+    ignored = 0
+    for source_key in sorted(plan_by_key):
+        item = plan_by_key[source_key]
+        action = selections.get(source_key, "ignore")
+        allowed = set(item.get("allowed_actions") or [])
+        if action not in allowed:
+            raise AddressBookError(
+                f'Action {action!r} is not allowed for vCard "{item.get("display_name") or source_key}".'
+            )
+        if action == "ignore":
+            ignored += 1
+            continue
+        contact = _apply_plan_item(
+            session,
+            principal,
+            run=run,
+            item=item,
+            action=action,
+        )
+        if action == "create":
+            created_ids.append(contact.id)
+        else:
+            updated_ids.append(contact.id)
+
+    run.status = "applied"
+    run.applied_at = utcnow()
+    run.result_evidence = {
+        **evidence,
+        "commit_hash": commit_hash,
+        "selection_count": len(selections),
+        "created_contact_ids": created_ids,
+        "updated_contact_ids": updated_ids,
+        "ignored_count": ignored,
+        "applied_by_account_id": principal.account_id,
+        "applied_at": run.applied_at.isoformat(),
+        "progress": {
+            "total": len(plan_by_key),
+            "completed": len(plan_by_key),
+            "created": len(created_ids),
+            "updated": len(updated_ids),
+            "ignored": ignored,
+            "failed": 0,
+        },
+    }
+    run.statistics = {
+        **dict(run.statistics or {}),
+        "applied_create": len(created_ids),
+        "applied_update": len(updated_ids),
+        "applied_ignore": ignored,
+    }
+    return run
+
+
+def cancel_vcard_batch(
+    session: Session,
+    principal: ApiPrincipal,
+    run_id: str,
+    payload: VCardBatchCancelRequest,
+) -> AddressImportRun:
+    run = get_vcard_batch_run(session, principal, run_id)
+    if run.plan_hash != payload.expected_plan_hash:
+        raise AddressBookError("The reviewed vCard plan changed; reload the batch.")
+    if run.status == "cancelled":
+        return run
+    if run.status != "previewed":
+        raise AddressBookError("Only a previewed vCard batch can be cancelled.")
+    run.status = "cancelled"
+    run.result_evidence = {
+        **dict(run.result_evidence or {}),
+        "cancel_reason": payload.reason.strip(),
+        "cancelled_by_account_id": principal.account_id,
+        "cancelled_at": utcnow().isoformat(),
+    }
+    return run
+
+
+def vcard_batch_payload(run: AddressImportRun) -> dict[str, Any]:
+    evidence = dict(run.result_evidence or {})
+    progress = dict(evidence.get("progress") or _progress(run.row_count))
+    return {
+        "id": run.id,
+        "address_book_id": run.address_book_id,
+        "status": run.status,
+        "input_hash": run.input_hash,
+        "plan_hash": run.plan_hash,
+        "parser_version": str(evidence.get("parser_version") or VCARD_PARSER_VERSION),
+        "execution_mode": str(
+            (run.statistics or {}).get("execution_mode") or "bounded_sync"
+        ),
+        "file_count": int((run.statistics or {}).get("files") or 0),
+        "card_count": run.row_count,
+        "statistics": dict(run.statistics or {}),
+        "diagnostics": list(run.diagnostics or []),
+        "plan": [_public_plan_item(item) for item in run.plan_data or []],
+        "progress": progress,
+        "can_apply": run.status == "previewed" and bool(run.plan_data),
+        "can_cancel": run.status == "previewed",
+        "commit_hash": evidence.get("commit_hash"),
+        "created_at": run.created_at,
+        "updated_at": run.updated_at,
+        "applied_at": run.applied_at,
+    }
+
+
+def vcard_diagnostics_payload(run: AddressImportRun) -> dict[str, Any]:
+    return {
+        "schema_version": "1.0",
+        "run_id": run.id,
+        "status": run.status,
+        "input_hash": run.input_hash,
+        "plan_hash": run.plan_hash,
+        "parser_version": (run.result_evidence or {}).get("parser_version"),
+        "statistics": dict(run.statistics or {}),
+        "diagnostics": list(run.diagnostics or []),
+        "effects": [_public_plan_item(item) for item in run.plan_data or []],
+    }
+
+
+def export_vcards(
+    session: Session,
+    principal: ApiPrincipal,
+    address_book_id: str,
+    payload: VCardExportRequest,
+) -> dict[str, Any]:
+    book = get_visible_address_book(session, principal, address_book_id)
+    contacts = _export_contacts(session, principal, book.id, payload)
+    contacts.sort(key=lambda item: (item.display_name.casefold(), item.id))
+    content = contacts_to_vcard(contacts, version=payload.version)
+    scope_label = {
+        "address_book": book.name,
+        "address_list": "address-list",
+        "contacts": "selected-contacts",
+    }[payload.scope]
+    return {
+        "filename": f"{_safe_filename(scope_label)}-{payload.version.replace('.', '')}.vcf",
+        "media_type": "text/vcard",
+        "scope": payload.scope,
+        "version": payload.version,
+        "ordering": "display_name_casefold_then_contact_id",
+        "contact_count": len(contacts),
+        "content_hash": hashlib.sha256(content.encode("utf-8")).hexdigest(),
+        "content": content,
+    }
+
+
+def _decode_files(payload: VCardBatchPreviewRequest) -> list[tuple[str, bytes]]:
+    decoded: list[tuple[str, bytes]] = []
+    total = 0
+    for item in payload.files:
+        filename = item.filename.strip()
+        if not filename.casefold().endswith(".vcf"):
+            raise AddressBookError("vCard batch uploads accept only .vcf files.")
+        try:
+            raw = base64.b64decode(item.content_base64, validate=True)
+        except (binascii.Error, ValueError) as exc:
+            raise AddressBookError(
+                f'vCard file "{filename}" is not valid base64.'
+            ) from exc
+        if not raw:
+            raise AddressBookError(f'vCard file "{filename}" is empty.')
+        total += len(raw)
+        if total > MAX_VCARD_BATCH_BYTES:
+            raise AddressBookError(
+                f"Combined vCard uploads are limited to {MAX_VCARD_BATCH_BYTES} bytes."
+            )
+        decoded.append((filename, raw))
+    return decoded
+
+
+def _parse_files(
+    decoded: list[tuple[str, bytes]],
+) -> tuple[list[dict[str, Any]], list[dict[str, Any]]]:
+    cards: list[dict[str, Any]] = []
+    diagnostics: list[dict[str, Any]] = []
+    for file_index, (filename, raw) in enumerate(decoded):
+        try:
+            content = raw.decode("utf-8-sig")
+        except UnicodeDecodeError as exc:
+            raise AddressBookError(
+                f'vCard file "{filename}" is not valid UTF-8: {exc}.'
+            ) from exc
+        remaining = MAX_VCARD_CARDS - len(cards)
+        if remaining < 1:
+            raise AddressBookError(
+                f"vCard batches are limited to {MAX_VCARD_CARDS} cards."
+            )
+        result = parse_vcards_with_issues(content, max_cards=remaining)
+        for issue in result.issues:
+            diagnostics.append(
+                {
+                    "severity": issue.severity,
+                    "code": "vcard_parse_error"
+                    if issue.severity == "error"
+                    else "vcard_parse_warning",
+                    "message": issue.message,
+                    "source_filename": filename,
+                    "card_index": issue.index or None,
+                    "field": issue.field,
+                    "details": {"line": issue.line} if issue.line is not None else {},
+                }
+            )
+        for card_index, parsed in enumerate(result.cards, start=1):
+            raw_hash = hashlib.sha256(parsed.raw.encode("utf-8")).hexdigest()
+            identity = (
+                f"uid:{parsed.source_ref.strip()}"
+                if parsed.source_ref and parsed.source_ref.strip()
+                else f"sha256:{raw_hash}"
+            )
+            source_key = hashlib.sha256(
+                f"{file_index}:{filename}:{card_index}:{raw_hash}".encode("utf-8")
+            ).hexdigest()
+            cards.append(
+                {
+                    "source_key": source_key,
+                    "source_identity": identity,
+                    "source_filename": filename,
+                    "card_index": card_index,
+                    "raw": parsed.raw,
+                    "source_ref": parsed.source_ref.strip()
+                    if parsed.source_ref
+                    else None,
+                    "source_revision": parsed.source_revision.strip()
+                    if parsed.source_revision
+                    else None,
+                    "payload": parsed.payload.model_dump(mode="json"),
+                }
+            )
+    return cards, diagnostics
+
+
+def _plan_cards(
+    session: Session,
+    address_book_id: str,
+    cards: list[dict[str, Any]],
+    *,
+    duplicate_card_policy: str,
+    existing_contact_policy: str,
+) -> list[dict[str, Any]]:
+    contacts = (
+        session.query(Contact)
+        .options(
+            selectinload(Contact.emails),
+            selectinload(Contact.phones),
+            selectinload(Contact.postal_addresses),
+        )
+        .filter(
+            Contact.address_book_id == address_book_id, Contact.deleted_at.is_(None)
+        )
+        .all()
+    )
+    by_source: dict[str, list[Contact]] = defaultdict(list)
+    by_email: dict[str, list[Contact]] = defaultdict(list)
+    for contact in contacts:
+        if contact.source_ref:
+            by_source[contact.source_ref.strip()].append(contact)
+        for email in contact.emails:
+            normalized = (email.normalized_email or email.email).strip().casefold()
+            if normalized:
+                by_email[normalized].append(contact)
+
+    identity_positions: dict[str, list[int]] = defaultdict(list)
+    for index, card in enumerate(cards):
+        identity_positions[str(card["source_identity"])].append(index)
+    result: list[dict[str, Any]] = []
+    for index, card in enumerate(cards):
+        positions = identity_positions[str(card["source_identity"])]
+        if len(positions) > 1:
+            chosen = positions[0] if duplicate_card_policy == "first" else positions[-1]
+            if duplicate_card_policy == "reject":
+                result.append(
+                    _planned_card(
+                        card,
+                        action="conflict",
+                        allowed=["ignore"],
+                        message="Duplicate UID or identical card appears in this batch.",
+                    )
+                )
+                continue
+            if index != chosen:
+                result.append(
+                    _planned_card(
+                        card,
+                        action="ignore",
+                        allowed=["ignore"],
+                        message=f"Duplicate card ignored by {duplicate_card_policy} policy.",
+                    )
+                )
+                continue
+
+        suggestions = _duplicate_candidates(
+            card, by_source=by_source, by_email=by_email
+        )
+        exact_source = [item for item in suggestions if "source_uid" in item["reasons"]]
+        candidates = exact_source or suggestions
+        if len(candidates) > 1:
+            result.append(
+                _planned_card(
+                    card,
+                    action="conflict",
+                    allowed=["create", "ignore"],
+                    suggestions=suggestions,
+                    message="Multiple existing contacts match this card; create explicitly or ignore it.",
+                )
+            )
+            continue
+        existing = next(
+            (
+                contact
+                for contact in contacts
+                if candidates and contact.id == candidates[0]["contact_id"]
+            ),
+            None,
+        )
+        if existing is None:
+            result.append(
+                _planned_card(
+                    card,
+                    action="create",
+                    allowed=["create", "ignore"],
+                    suggestions=suggestions,
+                )
+            )
+            continue
+        changed = _changed_fields(existing, card["payload"])
+        if not changed:
+            result.append(
+                _planned_card(
+                    card,
+                    action="unchanged",
+                    allowed=["ignore"],
+                    contact=existing,
+                    suggestions=suggestions,
+                    message="Existing contact already matches the parsed card.",
+                )
+            )
+        elif existing_contact_policy == "reject":
+            result.append(
+                _planned_card(
+                    card,
+                    action="conflict",
+                    allowed=["ignore"],
+                    contact=existing,
+                    suggestions=suggestions,
+                    changed=changed,
+                    message="An existing contact matches and the preview policy rejects updates.",
+                )
+            )
+        elif existing_contact_policy == "ignore":
+            result.append(
+                _planned_card(
+                    card,
+                    action="ignore",
+                    allowed=["update", "ignore"],
+                    contact=existing,
+                    suggestions=suggestions,
+                    changed=changed,
+                    message="Existing contact is ignored by preview policy.",
+                )
+            )
+        else:
+            result.append(
+                _planned_card(
+                    card,
+                    action="update",
+                    allowed=["update", "ignore"],
+                    contact=existing,
+                    suggestions=suggestions,
+                    changed=changed,
+                )
+            )
+    return result
+
+
+def _planned_card(
+    card: dict[str, Any],
+    *,
+    action: str,
+    allowed: list[str],
+    contact: Contact | None = None,
+    suggestions: list[dict[str, Any]] | None = None,
+    changed: list[str] | None = None,
+    message: str | None = None,
+) -> dict[str, Any]:
+    return {
+        **card,
+        "row_number": int(card["card_index"]),
+        "action": action,
+        "allowed_actions": allowed,
+        "contact_id": contact.id if contact is not None else None,
+        "expected_contact_hash": _contact_hash(contact)
+        if contact is not None
+        else None,
+        "display_name": card["payload"].get("display_name"),
+        "changed_fields": changed or [],
+        "duplicate_suggestions": suggestions or [],
+        "message": message,
+    }
+
+
+def _duplicate_candidates(
+    card: dict[str, Any],
+    *,
+    by_source: dict[str, list[Contact]],
+    by_email: dict[str, list[Contact]],
+) -> list[dict[str, Any]]:
+    reasons: dict[str, set[str]] = defaultdict(set)
+    contacts: dict[str, Contact] = {}
+    source_ref = card.get("source_ref")
+    if source_ref:
+        for contact in by_source.get(str(source_ref), []):
+            contacts[contact.id] = contact
+            reasons[contact.id].add("source_uid")
+    for item in card["payload"].get("emails") or []:
+        normalized = str(item.get("email") or "").strip().casefold()
+        for contact in by_email.get(normalized, []):
+            contacts[contact.id] = contact
+            reasons[contact.id].add("email")
+    return [
+        {
+            "contact_id": contact_id,
+            "display_name": contacts[contact_id].display_name,
+            "reasons": sorted(reasons[contact_id]),
+        }
+        for contact_id in sorted(
+            contacts, key=lambda item: (contacts[item].display_name.casefold(), item)
+        )[:5]
+    ]
+
+
+def _apply_plan_item(
+    session: Session,
+    principal: ApiPrincipal,
+    *,
+    run: AddressImportRun,
+    item: dict[str, Any],
+    action: str,
+) -> Contact:
+    contact_payload = ContactCreateRequest.model_validate(item["payload"])
+    if action == "create":
+        if item.get("source_ref"):
+            appeared = (
+                session.query(Contact)
+                .filter(
+                    Contact.address_book_id == run.address_book_id,
+                    Contact.source_ref == item["source_ref"],
+                    Contact.deleted_at.is_(None),
+                )
+                .first()
+            )
+            if appeared is not None:
+                raise AddressBookError(
+                    "A matching vCard UID appeared after preview; preview the batch again."
+                )
+        contact = create_contact(
+            session, principal, run.address_book_id, contact_payload
+        )
+    else:
+        contact_id = str(item.get("contact_id") or "")
+        if not contact_id:
+            raise AddressBookError(
+                "The reviewed vCard update has no stable target contact."
+            )
+        current = get_visible_contact(session, principal, contact_id)
+        if _contact_hash(current) != item.get("expected_contact_hash"):
+            raise AddressBookError(
+                f'Contact "{current.display_name}" changed after preview; preview the batch again.'
+            )
+        contact = update_contact(
+            session,
+            principal,
+            current.id,
+            ContactUpdateRequest.model_validate(item["payload"]),
+        )
+    contact.source_kind = "vcard"
+    contact.source_ref = (
+        item.get("source_ref")
+        or f"vcard-sha256:{str(item['source_identity']).split(':', 1)[-1]}"
+    )
+    contact.source_payload_kind = "vcard"
+    contact.source_payload_raw = item["raw"]
+    contact.source_revision = item.get("source_revision")
+    provenance = dict(contact.provenance or {})
+    provenance["vcard_batch"] = {
+        "run_id": run.id,
+        "input_hash": run.input_hash,
+        "plan_hash": run.plan_hash,
+        "parser_version": VCARD_PARSER_VERSION,
+        "source_filename": item["source_filename"],
+        "card_index": item["card_index"],
+    }
+    contact.provenance = provenance
+    session.flush()
+    return contact
+
+
+def _changed_fields(contact: Contact, payload: dict[str, Any]) -> list[str]:
+    current = _contact_projection(contact)
+    incoming = _payload_projection(payload)
+    return sorted(key for key in incoming if current.get(key) != incoming.get(key))
+
+
+def _contact_hash(contact: Contact) -> str:
+    return _hash_json(_contact_projection(contact))
+
+
+def _contact_projection(contact: Contact) -> dict[str, Any]:
+    return {
+        "display_name": contact.display_name,
+        "given_name": contact.given_name,
+        "family_name": contact.family_name,
+        "organization": contact.organization,
+        "role_title": contact.role_title,
+        "note": contact.note,
+        "tags": list(contact.tags or []),
+        "emails": [
+            {"label": item.label, "email": item.email, "is_primary": item.is_primary}
+            for item in contact.emails
+        ],
+        "phones": [
+            {"label": item.label, "phone": item.phone, "is_primary": item.is_primary}
+            for item in contact.phones
+        ],
+        "postal_addresses": [
+            {
+                "label": item.label,
+                "street": item.street,
+                "postal_code": item.postal_code,
+                "locality": item.locality,
+                "region": item.region,
+                "country": item.country,
+                "is_primary": item.is_primary,
+            }
+            for item in contact.postal_addresses
+        ],
+    }
+
+
+def _payload_projection(payload: dict[str, Any]) -> dict[str, Any]:
+    return {
+        key: payload.get(key)
+        for key in (
+            "display_name",
+            "given_name",
+            "family_name",
+            "organization",
+            "role_title",
+            "note",
+            "tags",
+            "emails",
+            "phones",
+            "postal_addresses",
+        )
+    }
+
+
+def _selection_map(payload: VCardBatchCommitRequest) -> dict[str, str]:
+    result: dict[str, str] = {}
+    for selection in payload.selections:
+        if selection.source_key in result:
+            raise AddressBookError("Each vCard may be selected only once.")
+        result[selection.source_key] = selection.action
+    return result
+
+
+def _public_plan_item(item: dict[str, Any]) -> dict[str, Any]:
+    return {
+        key: item.get(key)
+        for key in (
+            "source_key",
+            "source_filename",
+            "card_index",
+            "action",
+            "allowed_actions",
+            "contact_id",
+            "display_name",
+            "changed_fields",
+            "duplicate_suggestions",
+            "message",
+        )
+    }
+
+
+def _export_contacts(
+    session: Session,
+    principal: ApiPrincipal,
+    address_book_id: str,
+    payload: VCardExportRequest,
+) -> list[Contact]:
+    if payload.scope == "address_book":
+        return _loaded_contacts(session, address_book_id=address_book_id)
+    if payload.scope == "contacts":
+        contacts = [
+            get_visible_contact(session, principal, contact_id)
+            for contact_id in payload.contact_ids
+        ]
+        if any(contact.address_book_id != address_book_id for contact in contacts):
+            raise AddressBookError(
+                "Every selected contact must belong to the exported address book."
+            )
+        return contacts
+    address_list = get_visible_address_list(
+        session, principal, str(payload.address_list_id)
+    )
+    if address_list.address_book_id != address_book_id:
+        raise AddressBookError(
+            "The selected address list does not belong to the exported address book."
+        )
+    contact_ids = [
+        item.contact_id
+        for item in (
+            session.query(AddressListEntry)
+            .filter(AddressListEntry.address_list_id == address_list.id)
+            .order_by(AddressListEntry.order_index.asc(), AddressListEntry.id.asc())
+            .all()
+        )
+    ]
+    if not contact_ids:
+        return []
+    return _loaded_contacts(
+        session, address_book_id=address_book_id, contact_ids=set(contact_ids)
+    )
+
+
+def _loaded_contacts(
+    session: Session,
+    *,
+    address_book_id: str,
+    contact_ids: set[str] | None = None,
+) -> list[Contact]:
+    query = (
+        session.query(Contact)
+        .options(
+            selectinload(Contact.emails),
+            selectinload(Contact.phones),
+            selectinload(Contact.postal_addresses),
+        )
+        .filter(
+            Contact.address_book_id == address_book_id, Contact.deleted_at.is_(None)
+        )
+    )
+    if contact_ids is not None:
+        query = query.filter(Contact.id.in_(contact_ids))
+    return query.all()
+
+
+def _visible_books(session: Session, principal: ApiPrincipal):
+    from govoplan_addresses.backend.service import list_address_books
+
+    return list_address_books(session, principal)
+
+
+def _execution_mode(card_count: int) -> str:
+    raw = os.getenv(
+        "GOVOPLAN_ADDRESSES_VCARD_JOB_THRESHOLD", str(DEFAULT_PERSISTED_BATCH_THRESHOLD)
+    )
+    try:
+        threshold = max(1, min(MAX_VCARD_CARDS, int(raw)))
+    except ValueError:
+        threshold = DEFAULT_PERSISTED_BATCH_THRESHOLD
+    return "persisted_batch" if card_count >= threshold else "bounded_sync"
+
+
+def _progress(total: int) -> dict[str, int]:
+    return {
+        "total": total,
+        "completed": 0,
+        "created": 0,
+        "updated": 0,
+        "ignored": 0,
+        "failed": 0,
+    }
+
+
+def _hash_json(value: Any) -> str:
+    return hashlib.sha256(
+        json.dumps(
+            value, sort_keys=True, separators=(",", ":"), ensure_ascii=False
+        ).encode("utf-8")
+    ).hexdigest()
+
+
+def _safe_filename(value: str) -> str:
+    safe = "".join(
+        character if character.isalnum() or character in {"-", "_"} else "-"
+        for character in value.strip()
+    )
+    return safe.strip("-")[:120] or "contacts"
+
+
+__all__ = [
+    "apply_vcard_batch",
+    "cancel_vcard_batch",
+    "export_vcards",
+    "get_vcard_batch_run",
+    "preview_vcard_batch",
+    "vcard_batch_payload",
+    "vcard_diagnostics_payload",
+]

tests/test_addresses_service.py

@@ -1,20 +1,40 @@
 from __future__ import annotations
 
 import unittest
+from dataclasses import asdict
+from datetime import timedelta
 from unittest.mock import patch
 
 from sqlalchemy import create_engine, inspect
+from sqlalchemy.dialects import postgresql
 from sqlalchemy.orm import sessionmaker
 
 from govoplan_core.core.change_sequence import ChangeSequenceEntry
+from govoplan_core.core.distribution_lists import (
+    CAPABILITY_RECIPIENT_CHANNEL_FACTS,
+    DistributionSourceReference,
+    RecipientChannelFactsRequest,
+)
+from govoplan_core.core.contact_points import (
+    CAPABILITY_ADDRESSES_CONTACT_POINT_RESOLUTION,
+    CONTACT_POINT_CONTRACT_VERSION,
+    ContactPointResolutionRequest,
+    ContactPointSourceRequest,
+)
 from govoplan_core.core.people import CAPABILITY_ADDRESSES_PEOPLE_SEARCH, PeopleSearchProvider
 from govoplan_core.db.base import Base
 from govoplan_core.db.base import utcnow
+from govoplan_core.security.credential_envelopes import (
+    CredentialEnvelope,
+    create_credential_envelope,
+)
 from govoplan_addresses.backend.carddav import AddressCardDAVObject, AddressCardDAVReportResult, AddressCardDAVWriteResult
 from govoplan_addresses.backend.capabilities import (
     CAPABILITY_ADDRESSES_CONTACT_WRITER,
     CAPABILITY_ADDRESSES_LOOKUP,
     CAPABILITY_ADDRESSES_RECIPIENT_SOURCE,
+    AddressesChannelFactsCapability,
+    AddressesContactPointResolutionCapability,
     AddressesContactWriterCapability,
     AddressesLookupCapability,
     AddressesPeopleSearchProvider,
@@ -30,9 +50,15 @@ from govoplan_addresses.backend.db.models import (
     AddressSyncSource,
     AddressSyncTombstone,
     Contact,
+    ContactChannelRule,
     ContactEmail,
+    ContactFieldProvenance,
+    ContactMergeRecord,
     ContactPhone,
+    ContactPointSnapshot,
+    ContactPointQualityDecision,
     ContactPostalAddress,
+    ContactRedirect,
 )
 from govoplan_addresses.backend.schemas import (
     AddressBookCreateRequest,
@@ -48,13 +74,29 @@ from govoplan_addresses.backend.schemas import (
     AddressSyncSourceUpdateRequest,
     AddressSyncTombstoneCreateRequest,
     ContactCreateRequest,
+    ContactChannelRuleCreateRequest,
     ContactEmailPayload,
+    ContactMergeRecoveryRequest,
+    ContactMergeRequest,
+    ContactPhonePayload,
+    ContactPointQualityDecisionCreateRequest,
     ContactPostalAddressPayload,
+    ContactPointSnapshotResponse,
+    ContactUpdateRequest,
 )
 from govoplan_addresses.backend.manifest import manifest
-from govoplan_addresses.backend.router import _sync_source_response
+from govoplan_addresses.backend.router import (
+    _sync_source_response,
+    api_create_address_list_entry,
+    api_create_contact,
+    api_delete_address_list_entry,
+    api_delete_contact,
+    api_restore_contact,
+    api_update_contact,
+)
 from govoplan_addresses.backend.service import (
     AddressBookError,
+    address_quality_summary,
     address_book_contact_counts,
     address_list_entry_counts,
     create_address_book,
@@ -62,9 +104,13 @@ from govoplan_addresses.backend.service import (
     create_address_list_entry,
     create_carddav_sync_source,
     create_contact,
+    create_contact_channel_rule,
+    create_contact_quality_decision,
     create_sync_source,
+    count_contacts,
     delete_address_list_entry,
     delete_contact,
+    end_contact_channel_rule,
     delete_sync_source,
     discover_carddav_address_books,
     export_address_book_vcard,
@@ -73,6 +119,9 @@ from govoplan_addresses.backend.service import (
     list_address_lists,
     list_address_books,
     list_contacts,
+    list_contact_channel_rules,
+    list_contact_field_provenance,
+    list_contact_merges,
     list_sync_conflicts,
     list_sync_diagnostics,
     list_sync_sources,
@@ -82,12 +131,19 @@ from govoplan_addresses.backend.service import (
     record_sync_tombstone,
     run_sync_source,
     preview_sync_source,
+    merge_contacts,
+    recover_contact_merge,
     restore_contact,
+    resolve_contact_redirect,
     resolve_sync_conflict,
     start_sync_attempt,
     finish_sync_attempt,
     update_sync_source,
+    update_contact,
+    suggest_duplicate_contacts,
     resolve_trusted_deployment_carddav_credential_ref,
+    _carddav_client_for_source,
+    _filtered_contact_query,
 )
 
 
@@ -141,6 +197,8 @@ class Principal:
             "addresses:contact:read",
             "addresses:contact:write",
             "addresses:contact:delete",
+            "addresses:governance:read",
+            "addresses:governance:write",
             "addresses:sync:read",
             "addresses:sync:write",
         }
@@ -175,12 +233,19 @@ class AddressServiceTest(unittest.TestCase):
                 ContactEmail.__table__,
                 ContactPhone.__table__,
                 ContactPostalAddress.__table__,
+                ContactChannelRule.__table__,
+                ContactPointSnapshot.__table__,
+                ContactPointQualityDecision.__table__,
+                ContactMergeRecord.__table__,
+                ContactRedirect.__table__,
+                ContactFieldProvenance.__table__,
                 AddressListEntry.__table__,
                 AddressSyncSource.__table__,
                 AddressSyncTombstone.__table__,
                 AddressSyncConflict.__table__,
                 AddressSyncDiagnostic.__table__,
                 ChangeSequenceEntry.__table__,
+                CredentialEnvelope.__table__,
             ],
         )
         self.session = sessionmaker(bind=self.engine)()
@@ -246,6 +311,140 @@ class AddressServiceTest(unittest.TestCase):
         self.session.commit()
         self.assertEqual([item.id for item in list_contacts(self.session, self.principal, address_book_id=book.id)], [contact.id])
 
+    def test_contact_query_is_postgresql_json_safe(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="PostgreSQL-safe"),
+        )
+        self.session.commit()
+
+        contact_query = _filtered_contact_query(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+            address_list_id=None,
+            query="example",
+            include_deleted=False,
+        )
+        compiled = str(contact_query.statement.compile(dialect=postgresql.dialect()))
+
+        self.assertNotIn("SELECT DISTINCT", compiled.upper())
+        self.assertIn("EXISTS", compiled.upper())
+
+    def test_contact_and_relationship_routes_emit_value_free_audit_evidence(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Audited"),
+        )
+        self.session.commit()
+        with patch("govoplan_addresses.backend.router.audit_from_principal") as audit:
+            created = api_create_contact(
+                book.id,
+                ContactCreateRequest(
+                    display_name="Ada Lovelace",
+                    emails=[ContactEmailPayload(email="ada@example.local")],
+                ),
+                self.principal,
+                self.session,
+            )
+            create_details = audit.call_args.kwargs["details"]
+            self.assertEqual(audit.call_args.kwargs["action"], "addresses.contact_created")
+            self.assertEqual(create_details["contact_point_counts"]["email"], 1)
+            self.assertNotIn("ada@example.local", repr(create_details))
+            original_email_id = create_details["contact_point_ids"]["email"][0]
+
+            updated = api_update_contact(
+                created.id,
+                ContactUpdateRequest(
+                    emails=[ContactEmailPayload(email="ada.new@example.local")]
+                ),
+                self.principal,
+                self.session,
+            )
+            update_details = audit.call_args.kwargs["details"]
+            self.assertEqual(audit.call_args.kwargs["action"], "addresses.contact_updated")
+            self.assertEqual(update_details["previous_contact_point_ids"]["email"], [original_email_id])
+            self.assertNotEqual(update_details["contact_point_ids"]["email"], [original_email_id])
+            self.assertNotIn("ada.new@example.local", repr(update_details))
+
+            api_delete_contact(created.id, self.principal, self.session)
+            self.assertEqual(audit.call_args.kwargs["action"], "addresses.contact_deleted")
+            api_restore_contact(created.id, self.principal, self.session)
+            self.assertEqual(audit.call_args.kwargs["action"], "addresses.contact_restored")
+
+            address_list = create_address_list(
+                self.session,
+                self.principal,
+                book.id,
+                AddressListCreateRequest(name="Audited list"),
+            )
+            self.session.commit()
+            entry = api_create_address_list_entry(
+                address_list.id,
+                AddressListEntryCreateRequest(
+                    contact_id=updated.id,
+                    contact_email_id=updated.emails[0].id,
+                ),
+                self.principal,
+                self.session,
+            )
+            self.assertEqual(
+                audit.call_args.kwargs["action"],
+                "addresses.address_list_entry_created",
+            )
+            self.assertEqual(audit.call_args.kwargs["details"]["contact_id"], updated.id)
+            api_delete_address_list_entry(entry.id, self.principal, self.session)
+            self.assertEqual(
+                audit.call_args.kwargs["action"],
+                "addresses.address_list_entry_deleted",
+            )
+
+    def test_contact_windows_report_exact_totals(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Paged"),
+        )
+        self.session.flush()
+        contacts = [
+            create_contact(
+                self.session,
+                self.principal,
+                book.id,
+                ContactCreateRequest(
+                    display_name=name,
+                    emails=[ContactEmailPayload(email=f"{name.lower()}@example.local")],
+                ),
+            )
+            for name in ("Ada", "Barbara", "Claude", "Dorothy", "Edsger")
+        ]
+        self.session.commit()
+
+        page = list_contacts(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+            limit=2,
+            offset=2,
+        )
+
+        self.assertEqual([contact.id for contact in page], [contacts[2].id, contacts[3].id])
+        self.assertEqual(
+            count_contacts(self.session, self.principal, address_book_id=book.id),
+            5,
+        )
+        self.assertEqual(
+            count_contacts(
+                self.session,
+                self.principal,
+                address_book_id=book.id,
+                query="example.local",
+            ),
+            5,
+        )
+
     def test_vcard_import_and_export_preserves_common_fields(self) -> None:
         book = create_address_book(self.session, self.principal, AddressBookCreateRequest(scope_type="user", name="Imported"))
         self.session.commit()
@@ -330,6 +529,12 @@ END:VCARD
         self.assertIn(CAPABILITY_ADDRESSES_LOOKUP, provided)
         self.assertIn(CAPABILITY_ADDRESSES_RECIPIENT_SOURCE, provided)
         self.assertIn(CAPABILITY_ADDRESSES_CONTACT_WRITER, provided)
+        self.assertIn(CAPABILITY_RECIPIENT_CHANNEL_FACTS, provided)
+        self.assertIn(CAPABILITY_ADDRESSES_CONTACT_POINT_RESOLUTION, provided)
+        self.assertIn(
+            CAPABILITY_ADDRESSES_CONTACT_POINT_RESOLUTION,
+            manifest.capability_factories,
+        )
 
         book = create_address_book(self.session, self.principal, AddressBookCreateRequest(scope_type="user", name="Recipients"))
         self.session.commit()
@@ -408,6 +613,448 @@ END:VCARD
             )
         self.assertEqual(blocked.exception.decision.reason, "address_book_read_only")
 
+    def test_channel_facts_are_effective_purpose_aware_and_provenance_bearing(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Governed recipients"),
+        )
+        self.session.flush()
+        contact = create_contact(
+            self.session,
+            self.principal,
+            book.id,
+            ContactCreateRequest(
+                display_name="Ada Lovelace",
+                emails=[ContactEmailPayload(email="ada@example.local", is_primary=True)],
+                postal_addresses=[
+                    ContactPostalAddressPayload(
+                        street="Main Street 1",
+                        postal_code="10115",
+                        locality="Berlin",
+                        country="Germany",
+                        is_primary=True,
+                    )
+                ],
+            ),
+        )
+        self.session.flush()
+        rule = create_contact_channel_rule(
+            self.session,
+            self.principal,
+            contact.id,
+            ContactChannelRuleCreateRequest(
+                channel="email",
+                purpose="campaign_delivery",
+                contact_point_id=contact.emails[0].id,
+                decision="opted_out",
+                legal_basis="consent",
+                evidence_ref="case:consent-42",
+                reason="Recipient withdrew email consent.",
+            ),
+        )
+        self.session.commit()
+
+        source = DistributionSourceReference(
+            provider="addresses",
+            resource_type="contact",
+            resource_id=contact.id,
+        )
+        facts = AddressesChannelFactsCapability().resolve_channel_facts(
+            self.session,
+            self.principal,
+            request=RecipientChannelFactsRequest(
+                tenant_id=self.principal.tenant_id,
+                source=source,
+                recipient_key=f"contact:{contact.id}",
+                effective_at=utcnow() + timedelta(seconds=1),
+                purpose="campaign_delivery",
+                requested_channels=("email", "postal"),
+            ),
+        )
+        candidates = {item.channel: item for item in facts.candidates}
+        self.assertEqual(candidates["email"].status, "suppressed")
+        self.assertEqual(candidates["email"].reason_code, "addresses.channel.opted_out")
+        self.assertEqual(candidates["email"].decision_provenance["selected_rule_id"], rule.id)
+        self.assertEqual(candidates["email"].decision_provenance["evidence_ref"], "case:consent-42")
+        self.assertEqual(candidates["postal"].status, "usable")
+        self.assertEqual(candidates["postal"].decision_provenance["governance_state"], "unknown")
+        self.assertTrue(facts.source_revision)
+        self.assertEqual(len(facts.source_fingerprint or ""), 64)
+
+        governed_snapshot = AddressesRecipientSourceCapability().snapshot_address_book(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+            purpose="campaign_delivery",
+        )
+        self.assertEqual(governed_snapshot.recipients, ())
+        self.assertEqual(len(governed_snapshot.excluded), 1)
+        self.assertEqual(governed_snapshot.excluded[0].reason_code, "addresses.channel.opted_out")
+        self.assertTrue(governed_snapshot.provenance["governance_applied"])
+
+        unrelated = AddressesChannelFactsCapability().resolve_channel_facts(
+            self.session,
+            self.principal,
+            request=RecipientChannelFactsRequest(
+                tenant_id=self.principal.tenant_id,
+                source=source,
+                recipient_key=f"contact:{contact.id}",
+                effective_at=utcnow() + timedelta(seconds=1),
+                purpose="service_notice",
+                requested_channels=("email",),
+            ),
+        )
+        self.assertEqual(unrelated.candidates[0].status, "usable")
+        self.assertEqual(unrelated.candidates[0].decision_provenance["governance_state"], "unknown")
+
+        ended = end_contact_channel_rule(self.session, self.principal, rule.id)
+        self.session.commit()
+        expired = AddressesChannelFactsCapability().resolve_channel_facts(
+            self.session,
+            self.principal,
+            request=RecipientChannelFactsRequest(
+                tenant_id=self.principal.tenant_id,
+                source=source,
+                recipient_key=f"contact:{contact.id}",
+                effective_at=utcnow() + timedelta(seconds=1),
+                purpose="campaign_delivery",
+                requested_channels=("email",),
+            ),
+        )
+        self.assertIsNotNone(ended.effective_until)
+        self.assertEqual(expired.candidates[0].status, "usable")
+        self.assertEqual(expired.explanations[0].code, "addresses.channel_fact.expired")
+        self.assertEqual(list_contact_channel_rules(self.session, self.principal, contact.id)[0].id, rule.id)
+
+    def test_contact_quality_preserves_originals_provenance_and_excludes_invalid_targets(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Quality review"),
+        )
+        self.session.flush()
+        contact = create_contact(
+            self.session,
+            self.principal,
+            book.id,
+            ContactCreateRequest(
+                display_name="Ada Lovelace",
+                emails=[ContactEmailPayload(email=" Ada@Example.LOCAL ")],
+                phones=[ContactPhonePayload(phone="+49 (30) 123 45")],
+                postal_addresses=[
+                    ContactPostalAddressPayload(
+                        street=" Main Street 1 ",
+                        postal_code=" 10115 ",
+                        locality=" Berlin ",
+                        country=" Germany ",
+                    )
+                ],
+                provenance={
+                    "field_visibility": {
+                        "organization": "restricted",
+                    }
+                },
+            ),
+        )
+        self.session.commit()
+        self.session.refresh(contact)
+
+        self.assertEqual(contact.emails[0].email, "Ada@Example.LOCAL")
+        self.assertEqual(contact.emails[0].original_email, " Ada@Example.LOCAL ")
+        self.assertEqual(contact.emails[0].normalized_email, "ada@example.local")
+        self.assertEqual(contact.phones[0].original_phone, "+49 (30) 123 45")
+        self.assertEqual(contact.phones[0].normalized_phone, "+493012345")
+        self.assertEqual(contact.postal_addresses[0].original_value["street"], " Main Street 1 ")
+        self.assertEqual(contact.postal_addresses[0].normalized_value["street"], "main street 1")
+
+        initial_provenance = list_contact_field_provenance(
+            self.session,
+            self.principal,
+            contact.id,
+            current_only=True,
+        )
+        self.assertTrue(any(item.field_path == "display_name" for item in initial_provenance))
+        self.assertTrue(any(item.field_path.endswith(".email") for item in initial_provenance))
+        self.assertEqual(
+            next(item for item in initial_provenance if item.field_path == "organization").visibility,
+            "restricted",
+        )
+
+        update_contact(
+            self.session,
+            self.principal,
+            contact.id,
+            ContactUpdateRequest(organization="Analytical Engine Office"),
+        )
+        quality = create_contact_quality_decision(
+            self.session,
+            self.principal,
+            contact.id,
+            ContactPointQualityDecisionCreateRequest(
+                channel="email",
+                contact_point_id=contact.emails[0].id,
+                state="undeliverable",
+                reason_code="addresses.quality.smtp_hard_bounce",
+                reason="The remote server rejected this address permanently.",
+                evidence_ref="mail:delivery:42",
+            ),
+        )
+        self.session.commit()
+
+        history = list_contact_field_provenance(
+            self.session,
+            self.principal,
+            contact.id,
+        )
+        self.assertTrue(any(not item.selected for item in history))
+        current_organization = next(
+            item
+            for item in history
+            if item.field_path == "organization" and item.selected
+        )
+        self.assertEqual(current_organization.value, "Analytical Engine Office")
+        self.assertEqual(current_organization.reason_code, "addresses.contact.quality_updated")
+
+        facts = AddressesChannelFactsCapability().resolve_channel_facts(
+            self.session,
+            self.principal,
+            request=RecipientChannelFactsRequest(
+                tenant_id=self.principal.tenant_id,
+                source=DistributionSourceReference(
+                    provider="addresses",
+                    resource_type="contact",
+                    resource_id=contact.id,
+                ),
+                recipient_key=f"contact:{contact.id}",
+                effective_at=utcnow() + timedelta(seconds=1),
+                purpose="campaign_delivery",
+                requested_channels=("email",),
+            ),
+        )
+        self.assertEqual(facts.candidates[0].status, "invalid")
+        self.assertEqual(facts.candidates[0].reason_code, "addresses.quality.smtp_hard_bounce")
+        self.assertEqual(facts.candidates[0].decision_provenance["quality_decision_id"], quality.id)
+
+        snapshot = AddressesRecipientSourceCapability().snapshot_address_book(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+            purpose="campaign_delivery",
+        )
+        self.assertEqual(snapshot.recipients, ())
+        self.assertEqual(snapshot.excluded[0].reason_code, "addresses.quality.smtp_hard_bounce")
+
+        summary = address_quality_summary(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+        )
+        self.assertEqual(summary.contact_count, 1)
+        self.assertEqual(summary.contact_point_count, 3)
+        self.assertEqual(summary.quality_counts["undeliverable"], 1)
+        self.assertEqual(summary.correction_count, 1)
+        self.assertEqual(summary.corrections[0].contact_id, contact.id)
+
+    def test_duplicate_merge_recovery_preserves_references_and_rejects_tampering(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Duplicate review"),
+        )
+        self.session.flush()
+        winner = create_contact(
+            self.session,
+            self.principal,
+            book.id,
+            ContactCreateRequest(
+                display_name="Ada Lovelace",
+                organization="Analytical Engine Office",
+                emails=[ContactEmailPayload(email="ada@example.local")],
+            ),
+        )
+        loser = create_contact(
+            self.session,
+            self.principal,
+            book.id,
+            ContactCreateRequest(
+                display_name="Ada Lovelace",
+                organization="Analytical Engine Office",
+                role_title="Mathematician",
+                emails=[
+                    ContactEmailPayload(email="ADA@example.local"),
+                    ContactEmailPayload(email="ada.private@example.local"),
+                ],
+            ),
+        )
+        address_list = create_address_list(
+            self.session,
+            self.principal,
+            book.id,
+            AddressListCreateRequest(name="Recipients"),
+        )
+        self.session.flush()
+        original_loser_email_id = loser.emails[1].id
+        entry = create_address_list_entry(
+            self.session,
+            self.principal,
+            address_list.id,
+            AddressListEntryCreateRequest(
+                contact_id=loser.id,
+                contact_email_id=original_loser_email_id,
+            ),
+        )
+        create_contact_quality_decision(
+            self.session,
+            self.principal,
+            loser.id,
+            ContactPointQualityDecisionCreateRequest(
+                channel="email",
+                contact_point_id=original_loser_email_id,
+                state="stale",
+                reason="This private address needs confirmation.",
+            ),
+        )
+        self.session.commit()
+
+        scan = suggest_duplicate_contacts(
+            self.session,
+            self.principal,
+            address_book_id=book.id,
+        )
+        self.assertEqual(scan.scanned_contacts, 2)
+        self.assertEqual(scan.candidate_pairs, 1)
+        self.assertEqual(scan.suggestions[0].score, 100)
+        self.assertEqual(scan.suggestions[0].confidence, "strong")
+        self.assertEqual(
+            {feature.code for feature in scan.suggestions[0].features},
+            {"email_exact", "name_organization_exact"},
+        )
+
+        merge = merge_contacts(
+            self.session,
+            self.principal,
+            ContactMergeRequest(
+                winner_contact_id=winner.id,
+                duplicate_contact_ids=[loser.id],
+                reason="Confirmed duplicate record.",
+                field_sources={"role_title": loser.id},
+                contact_point_strategy="union",
+            ),
+        )
+        merge_id = merge.id
+        after_hash = merge.after_hash
+        winner_id = winner.id
+        loser_id = loser.id
+        entry_id = entry.id
+        self.session.commit()
+        self.session.expire_all()
+
+        resolved = resolve_contact_redirect(self.session, self.principal, loser_id)
+        self.assertTrue(resolved.redirected)
+        self.assertEqual(resolved.resolved_contact_id, winner_id)
+        merged_winner = self.session.get(Contact, winner_id)
+        merged_loser = self.session.get(Contact, loser_id)
+        assert merged_winner is not None
+        assert merged_loser is not None
+        self.assertEqual(merged_winner.role_title, "Mathematician")
+        self.assertEqual(
+            {item.normalized_email for item in merged_winner.emails},
+            {"ada@example.local", "ada.private@example.local"},
+        )
+        self.assertIsNotNone(merged_loser.deleted_at)
+        merged_entry = self.session.get(AddressListEntry, entry_id)
+        assert merged_entry is not None
+        self.assertEqual(merged_entry.contact_id, winner_id)
+        self.assertNotEqual(merged_entry.contact_email_id, original_loser_email_id)
+        self.assertTrue(
+            any(
+                item.state == "stale"
+                and item.contact_point_id == merged_entry.contact_email_id
+                for item in merged_winner.quality_decisions
+            )
+        )
+        retained_role_title = next(
+            item
+            for item in list_contact_field_provenance(
+                self.session,
+                self.principal,
+                winner_id,
+                current_only=True,
+            )
+            if item.field_path == "role_title"
+        )
+        self.assertEqual(retained_role_title.source_ref, f"addresses:contact:{loser_id}")
+        self.assertEqual(retained_role_title.metadata_["source_contact_id"], loser_id)
+        self.assertEqual(list_contact_merges(self.session, self.principal)[0].id, merge_id)
+
+        merged_winner.note = "Changed after merge"
+        self.session.commit()
+        with self.assertRaisesRegex(AddressBookError, "changed after this merge"):
+            recover_contact_merge(
+                self.session,
+                self.principal,
+                merge_id,
+                ContactMergeRecoveryRequest(
+                    reason="Correct the duplicate decision.",
+                    expected_after_hash=after_hash,
+                ),
+                action="undo",
+            )
+        self.session.rollback()
+        merged_winner = self.session.get(Contact, winner_id)
+        assert merged_winner is not None
+        merged_winner.note = None
+        self.session.commit()
+
+        recovered = recover_contact_merge(
+            self.session,
+            self.principal,
+            merge_id,
+            ContactMergeRecoveryRequest(
+                reason="Correct the duplicate decision.",
+                expected_after_hash=after_hash,
+            ),
+            action="undo",
+        )
+        self.session.commit()
+        self.assertEqual(recovered.status, "undone")
+        self.session.expire_all()
+        restored_winner = self.session.get(Contact, winner_id)
+        restored_loser = self.session.get(Contact, loser_id)
+        restored_entry = self.session.get(AddressListEntry, entry_id)
+        assert restored_winner is not None
+        assert restored_loser is not None
+        assert restored_entry is not None
+        self.assertIsNone(restored_winner.role_title)
+        self.assertIsNone(restored_loser.deleted_at)
+        self.assertEqual(restored_entry.contact_id, loser_id)
+        self.assertEqual(restored_entry.contact_email_id, original_loser_email_id)
+        self.assertFalse(resolve_contact_redirect(self.session, self.principal, loser_id).redirected)
+
+        second_merge = merge_contacts(
+            self.session,
+            self.principal,
+            ContactMergeRequest(
+                winner_contact_id=winner_id,
+                duplicate_contact_ids=[loser_id],
+                reason="Re-run duplicate decision.",
+            ),
+        )
+        self.session.commit()
+        split = recover_contact_merge(
+            self.session,
+            self.principal,
+            second_merge.id,
+            ContactMergeRecoveryRequest(
+                reason="Split records after review.",
+                expected_after_hash=second_merge.after_hash,
+            ),
+            action="split",
+        )
+        self.session.commit()
+        self.assertEqual(split.status, "split")
+
     def test_address_lists_group_contacts_and_expose_recipient_sources(self) -> None:
         book = create_address_book(self.session, self.principal, AddressBookCreateRequest(scope_type="user", name="Personal"))
         other_book = create_address_book(self.session, self.principal, AddressBookCreateRequest(scope_type="user", name="Other"))
@@ -464,6 +1111,27 @@ END:VCARD
         self.assertEqual(entries[0].contact_email.email, "ada.private@example.local")
         self.assertEqual(entries[1].target_kind, "postal_address")
         self.assertEqual(entries[1].contact_postal_address.locality, "Berlin")
+        self.assertEqual(
+            [
+                item.id
+                for item in list_contacts(
+                    self.session,
+                    self.principal,
+                    address_book_id=book.id,
+                    address_list_id=address_list.id,
+                )
+            ],
+            [contact.id],
+        )
+        self.assertEqual(
+            count_contacts(
+                self.session,
+                self.principal,
+                address_book_id=book.id,
+                address_list_id=address_list.id,
+            ),
+            1,
+        )
 
         with self.assertRaisesRegex(ValueError, "same address book"):
             create_address_list_entry(
@@ -489,6 +1157,170 @@ END:VCARD
         self.session.commit()
         self.assertEqual(list_address_list_entries(self.session, self.principal, address_list.id), [])
 
+    def test_contact_point_resolution_supports_external_refs_and_frozen_postal_snapshots(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Official contacts"),
+        )
+        self.session.commit()
+        self.session.refresh(book)
+        contact = create_contact(
+            self.session,
+            self.principal,
+            book.id,
+            ContactCreateRequest(
+                display_name="Ada Lovelace",
+                emails=[
+                    ContactEmailPayload(
+                        label="private",
+                        email="ada.private@example.local",
+                        is_primary=True,
+                    )
+                ],
+                postal_addresses=[
+                    ContactPostalAddressPayload(
+                        label="official",
+                        street="Main Street 1",
+                        postal_code="10115",
+                        locality="Berlin",
+                        country="Germany",
+                        is_primary=True,
+                    ),
+                    ContactPostalAddressPayload(
+                        label="private",
+                        street="Side Street 2",
+                        postal_code="10117",
+                        locality="Berlin",
+                        country="Germany",
+                    ),
+                ],
+            ),
+        )
+        contact.source_kind = "idm"
+        contact.source_ref = "idm:identity:identity-1"
+        self.session.flush()
+        create_contact_channel_rule(
+            self.session,
+            self.principal,
+            contact.id,
+            ContactChannelRuleCreateRequest(
+                channel="postal",
+                purpose="official_notice",
+                contact_point_id=contact.postal_addresses[0].id,
+                decision="preferred",
+                legal_basis="public_task",
+                evidence_ref="idm:function-assignment:17",
+                preference_rank=1,
+                locale="de-DE",
+            ),
+        )
+        address_list = create_address_list(
+            self.session,
+            self.principal,
+            book.id,
+            AddressListCreateRequest(name="Postal recipients"),
+        )
+        self.session.flush()
+        postal_entry = create_address_list_entry(
+            self.session,
+            self.principal,
+            address_list.id,
+            AddressListEntryCreateRequest(
+                contact_id=contact.id,
+                contact_postal_address_id=contact.postal_addresses[0].id,
+            ),
+        )
+        # Providers must also work before the surrounding transaction commits;
+        # SQLite aggregate timestamps are naive while new ORM rows are UTC-aware.
+        self.session.flush()
+
+        capability = AddressesContactPointResolutionCapability()
+        direct = capability.resolve_contact_points(
+            self.session,
+            self.principal,
+            request=ContactPointResolutionRequest(
+                tenant_id=self.principal.tenant_id,
+                subject=DistributionSourceReference(
+                    provider="idm",
+                    resource_type="identity",
+                    resource_id="identity-1",
+                ),
+                effective_at=utcnow(),
+                purpose="official_notice",
+                requested_channels=("postal",),
+                address_purpose="official",
+                fallback_rule="none",
+                locale="de-DE",
+                postal_format="international",
+            ),
+        )
+        self.assertEqual(CONTACT_POINT_CONTRACT_VERSION, direct.contract_version)
+        self.assertEqual("usable", direct.status)
+        self.assertEqual(contact.id, direct.contact_id)
+        self.assertEqual(1, len(direct.candidates))
+        self.assertEqual(contact.postal_addresses[0].id, direct.candidates[0].contact_point_id)
+        self.assertEqual("official", direct.candidates[0].address_purpose)
+        self.assertIn("Ada Lovelace", direct.candidates[0].target)
+        self.assertIn("Germany", direct.candidates[0].target)
+        self.assertEqual("de-DE", direct.candidates[0].locale)
+        self.assertTrue(direct.candidates[0].preference_revision)
+        self.assertEqual(1, len(direct.excluded))
+        self.assertEqual(
+            "addresses.address_purpose.not_selected",
+            direct.excluded[0].reason_code,
+        )
+
+        source_request = ContactPointSourceRequest(
+            tenant_id=self.principal.tenant_id,
+            source_id=f"addresses:address_list:{address_list.id}",
+            effective_at=utcnow(),
+            purpose="official_notice",
+            requested_channels=("email", "postal"),
+            address_purpose="official",
+            fallback_rule="none",
+            locale="de-DE",
+            postal_format="international",
+        )
+        preview = capability.preview_source(
+            self.session,
+            self.principal,
+            request=source_request,
+            limit=1,
+        )
+        self.assertEqual(1, preview.total_count)
+        self.assertEqual(1, preview.usable_count)
+        self.assertFalse(preview.has_more)
+        self.assertEqual(postal_entry.id, preview.resolutions[0].provenance["address_list_entry_ids"][0])
+        self.assertEqual("postal", preview.resolutions[0].candidates[0].channel)
+
+        snapshot = capability.freeze_source(
+            self.session,
+            self.principal,
+            request=source_request,
+        )
+        self.session.commit()
+        original_target = snapshot.resolutions[0].candidates[0].target
+        contact.postal_addresses[0].street = "Changed Street 99"
+        contact.postal_addresses[0].country = "France"
+        self.session.commit()
+
+        frozen = capability.get_snapshot(
+            self.session,
+            self.principal,
+            snapshot_id=snapshot.id,
+        )
+        self.assertIsNotNone(frozen)
+        assert frozen is not None
+        self.assertEqual(original_target, frozen.resolutions[0].candidates[0].target)
+        self.assertIn("Main Street 1", frozen.resolutions[0].candidates[0].target)
+        self.assertNotIn("Changed Street 99", frozen.resolutions[0].candidates[0].target)
+        self.assertEqual(snapshot.snapshot_hash, frozen.snapshot_hash)
+        self.assertEqual(1, frozen.recipient_count)
+        response = ContactPointSnapshotResponse.model_validate(asdict(frozen))
+        self.assertEqual(snapshot.id, response.id)
+        self.assertEqual("postal", response.resolutions[0].candidates[0].channel)
+
     def test_sync_source_marks_read_only_books_and_can_be_made_writable(self) -> None:
         book = create_address_book(self.session, self.principal, AddressBookCreateRequest(scope_type="user", name="CardDAV"))
         self.session.commit()
@@ -845,6 +1677,44 @@ END:VCARD
                 ),
             )
 
+    def test_carddav_source_can_use_reusable_core_credential(self) -> None:
+        book = create_address_book(
+            self.session,
+            self.principal,
+            AddressBookCreateRequest(scope_type="user", name="Shared credential"),
+        )
+        credential = create_credential_envelope(
+            self.session,
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Shared DAV login",
+            credential_kind="username_password",
+            public_data={"username": "ada"},
+            secret_data={"password": "secret"},
+            allowed_modules=["addresses"],
+            inherit_to_lower_scopes=True,
+        )
+        source = create_carddav_sync_source(
+            self.session,
+            self.principal,
+            book.id,
+            AddressCardDavSourceCreateRequest(
+                collection_url="https://dav.example.test/addressbooks/personal/",
+                auth_type="basic",
+                credential_ref=f"credential-envelope:{credential.id}",
+            ),
+        )
+        self.session.commit()
+
+        client = _carddav_client_for_source(self.session, source)
+        response_auth = _sync_source_response(source).metadata["carddav"]
+
+        self.assertEqual(client.username, "ada")
+        self.assertEqual(client.password, "secret")
+        self.assertEqual(response_auth["credential_envelope_id"], credential.id)
+        self.assertTrue(response_auth["has_credential"])
+
         source = create_carddav_sync_source(
             self.session,
             self.principal,

tests/test_dsar_provider.py

@@ -0,0 +1,588 @@
+from __future__ import annotations
+
+import unittest
+from datetime import datetime, timezone
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from govoplan_access.backend.db.models import Account, User
+from govoplan_addresses.backend.db.models import (
+    AddressBook,
+    AddressImportRun,
+    AddressList,
+    AddressListEntry,
+    AddressSyncConflict,
+    AddressSyncSource,
+    AddressSyncTombstone,
+    Contact,
+    ContactChannelRule,
+    ContactEmail,
+    ContactFieldProvenance,
+    ContactMergeRecord,
+    ContactPhone,
+    ContactPointQualityDecision,
+    ContactPostalAddress,
+    ContactRedirect,
+)
+from govoplan_addresses.backend.dsar_provider import (
+    ADDRESSES_DSAR_CAPABILITY,
+    AddressesDsarProvider,
+)
+from govoplan_addresses.backend.manifest import manifest
+from govoplan_core.core.dsar import (
+    DsarErasureActionRef,
+    DsarProvider,
+    DsarSubjectRef,
+)
+from govoplan_core.db.base import Base
+from govoplan_core.privacy.dsar_workflow import (
+    create_data_subject_request,
+    search_data_subject_request,
+)
+
+
+class _Registry:
+    def __init__(
+        self,
+        provider: AddressesDsarProvider,
+        *,
+        addresses_active: bool = True,
+    ) -> None:
+        self.provider = provider
+        self.addresses_active = addresses_active
+
+    def capability_names(self):
+        return (ADDRESSES_DSAR_CAPABILITY,)
+
+    def capability_owner(self, name):
+        self._assert_capability(name)
+        return "addresses"
+
+    def tenant_entitlement_resolver(self):
+        addresses_active = self.addresses_active
+
+        class _Resolver:
+            @staticmethod
+            def resolve(session, tenant_id):
+                del session, tenant_id
+                return type(
+                    "State",
+                    (),
+                    {"effective_modules": (("addresses",) if addresses_active else ())},
+                )()
+
+        return _Resolver()
+
+    def require_tenant_capability(self, name, session, **kwargs):
+        del session, kwargs
+        self._assert_capability(name)
+        return self.provider
+
+    def manifests(self):
+        return (type("Manifest", (), {"id": "addresses"})(),)
+
+    @staticmethod
+    def _assert_capability(name: str) -> None:
+        if name != ADDRESSES_DSAR_CAPABILITY:
+            raise KeyError(name)
+
+
+class AddressesDsarProviderTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.engine = create_engine("sqlite:///:memory:", future=True)
+        Base.metadata.create_all(bind=self.engine)
+        self.session = sessionmaker(bind=self.engine, future=True)()
+        now = datetime.now(timezone.utc)
+
+        self.account = Account(
+            id="account-1",
+            email="subject@example.test",
+            normalized_email="subject@example.test",
+            display_name="Subject",
+            password_hash="password-secret-do-not-export",
+        )
+        self.user = User(
+            id="membership-1",
+            tenant_id="tenant-1",
+            account_id=self.account.id,
+            email=self.account.email,
+            display_name="Subject",
+        )
+        self.book = AddressBook(
+            id="book-1",
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Residents",
+            created_by_account_id=self.account.id,
+            metadata_={"secret": "book-metadata-do-not-export"},
+        )
+        self.contact = Contact(
+            id="contact-1",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            display_name="Subject Person",
+            given_name="Subject",
+            family_name="Person",
+            organization="Example household",
+            note="A bounded subject note",
+            tags=["resident"],
+            source_kind="carddav",
+            source_ref="https://source.invalid/private/contact.vcf",
+            source_payload_kind="vcard",
+            source_payload_raw="raw-source-payload-do-not-export",
+            source_revision="revision-7",
+            provenance={"secret": "contact-provenance-do-not-export"},
+            created_by_account_id=self.account.id,
+            metadata_={"secret": "contact-metadata-do-not-export"},
+        )
+        self.email = ContactEmail(
+            id="email-1",
+            contact_id=self.contact.id,
+            label="private",
+            email="Subject@Example.test",
+            original_email="Subject@Example.test",
+            normalized_email="subject@example.test",
+            provenance={"secret": "email-provenance-do-not-export"},
+            is_primary=True,
+        )
+        self.phone = ContactPhone(
+            id="phone-1",
+            contact_id=self.contact.id,
+            label="mobile",
+            phone="+49 30 123456",
+            original_phone="030 123456",
+            normalized_phone="+4930123456",
+            provenance={"secret": "phone-provenance-do-not-export"},
+            is_primary=True,
+        )
+        self.postal = ContactPostalAddress(
+            id="postal-1",
+            contact_id=self.contact.id,
+            label="home",
+            street="Example Street 1",
+            postal_code="10115",
+            locality="Berlin",
+            country="DE",
+            original_value={"secret": "postal-original-do-not-export"},
+            normalized_value={"secret": "postal-normalized-do-not-export"},
+            provenance={"secret": "postal-provenance-do-not-export"},
+            is_primary=True,
+        )
+        self.address_list = AddressList(
+            id="list-1",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            name="District residents",
+            created_by_account_id="another-account",
+        )
+        self.list_entry = AddressListEntry(
+            id="entry-1",
+            address_list_id=self.address_list.id,
+            contact_id=self.contact.id,
+            contact_email_id=self.email.id,
+            target_kind="email",
+            metadata_={"secret": "list-entry-metadata-do-not-export"},
+        )
+        self.channel_rule = ContactChannelRule(
+            id="rule-1",
+            tenant_id="tenant-1",
+            contact_id=self.contact.id,
+            channel="email",
+            purpose="resident-notice",
+            contact_point_id=self.email.id,
+            decision="allow",
+            legal_basis="public task",
+            evidence_ref="records://consent/evidence-1",
+            reason="Current resident preference",
+            effective_from=now,
+            created_by_account_id="another-account",
+            metadata_={"secret": "rule-metadata-do-not-export"},
+        )
+        self.quality = ContactPointQualityDecision(
+            id="quality-1",
+            tenant_id="tenant-1",
+            contact_id=self.contact.id,
+            channel="email",
+            contact_point_id=self.email.id,
+            state="valid",
+            reason_code="verified",
+            reason="Verified by operator",
+            evidence_ref="files://private/evidence",
+            effective_from=now,
+            created_by_account_id="another-account",
+            metadata_={"secret": "quality-metadata-do-not-export"},
+        )
+        self.provenance = ContactFieldProvenance(
+            id="provenance-1",
+            tenant_id="tenant-1",
+            contact_id=self.contact.id,
+            field_path="emails[0].email",
+            value={"secret": "field-value-do-not-export"},
+            source_kind="carddav",
+            source_ref="https://source.invalid/private",
+            source_revision="revision-7",
+            precedence=10,
+            selected=True,
+            reason_code="source_authority",
+            explanation="Selected from the authoritative source",
+            visibility="operator",
+            created_by_account_id="another-account",
+            metadata_={"secret": "field-metadata-do-not-export"},
+        )
+        self.sync_source = AddressSyncSource(
+            id="source-1",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            connector_type="carddav",
+            display_name="Residents CardDAV",
+            external_account_ref="private-account-ref-do-not-export",
+            external_address_book_ref="private-book-ref-do-not-export",
+            sync_token="sync-token-do-not-export",
+            etag="private-etag-do-not-export",
+            remote_revision="private-remote-revision-do-not-export",
+            last_diagnostic={"secret": "diagnostic-do-not-export"},
+            created_by_account_id=self.account.id,
+            metadata_={"secret": "source-metadata-do-not-export"},
+        )
+        self.tombstone = AddressSyncTombstone(
+            id="tombstone-1",
+            tenant_id="tenant-1",
+            sync_source_id=self.sync_source.id,
+            address_book_id=self.book.id,
+            contact_id=self.contact.id,
+            remote_uid="private-uid-do-not-export",
+            resource_href="private-href-do-not-export",
+            synced_at=now,
+            metadata_={"secret": "tombstone-metadata-do-not-export"},
+        )
+        self.conflict = AddressSyncConflict(
+            id="conflict-1",
+            tenant_id="tenant-1",
+            sync_source_id=self.sync_source.id,
+            address_book_id=self.book.id,
+            contact_id=self.contact.id,
+            remote_uid="private-conflict-uid-do-not-export",
+            resource_href="private-conflict-href-do-not-export",
+            field_path="family_name",
+            local_value={"secret": "local-value-do-not-export"},
+            remote_value={"secret": "remote-value-do-not-export"},
+            status="resolved",
+            resolution="local",
+            resolved_at=now,
+            resolved_by_account_id=self.account.id,
+            metadata_={"secret": "conflict-metadata-do-not-export"},
+        )
+        self.import_run = AddressImportRun(
+            id="import-1",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            source_filename="contacts.csv",
+            source_format="csv",
+            input_hash="a" * 64,
+            plan_hash="b" * 64,
+            status="applied",
+            row_count=1,
+            statistics={"secret": "statistics-do-not-export"},
+            diagnostics=[{"secret": "import-diagnostic-do-not-export"}],
+            plan_data=[{"secret": "import-plan-do-not-export"}],
+            result_evidence={"secret": "import-result-do-not-export"},
+            created_by_account_id=self.account.id,
+            applied_at=now,
+        )
+        self.merge = ContactMergeRecord(
+            id="merge-1",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            winner_contact_id=self.contact.id,
+            loser_contact_ids=["old-contact-1"],
+            status="active",
+            reason="Duplicate contact",
+            survivorship={"secret": "survivorship-do-not-export"},
+            decisions=[{"secret": "merge-decisions-do-not-export"}],
+            before_payload={"secret": "merge-before-do-not-export"},
+            after_payload={"secret": "merge-after-do-not-export"},
+            before_hash="c" * 64,
+            after_hash="d" * 64,
+            created_by_account_id="another-account",
+            provenance={"secret": "merge-provenance-do-not-export"},
+        )
+        self.redirect = ContactRedirect(
+            id="redirect-1",
+            tenant_id="tenant-1",
+            source_contact_id="old-contact-1",
+            target_contact_id=self.contact.id,
+            merge_record_id=self.merge.id,
+        )
+        self.unrelated = Contact(
+            id="contact-unrelated",
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            display_name="Unrelated Person",
+            note="unrelated-person-do-not-export",
+        )
+        unrelated_email = ContactEmail(
+            id="email-unrelated",
+            contact_id=self.unrelated.id,
+            email="unrelated@example.test",
+            original_email="unrelated@example.test",
+            normalized_email="unrelated@example.test",
+        )
+        tenant_two_book = AddressBook(
+            id="book-tenant-2",
+            tenant_id="tenant-2",
+            scope_type="tenant",
+            scope_id="tenant-2",
+            name="Other tenant",
+        )
+        tenant_two_contact = Contact(
+            id="contact-tenant-2",
+            tenant_id="tenant-2",
+            address_book_id=tenant_two_book.id,
+            display_name="Other Tenant Subject",
+            note="other-tenant-do-not-export",
+        )
+        tenant_two_email = ContactEmail(
+            id="email-tenant-2",
+            contact_id=tenant_two_contact.id,
+            email="subject@example.test",
+            original_email="subject@example.test",
+            normalized_email="subject@example.test",
+        )
+        self.session.add_all(
+            [
+                self.account,
+                self.user,
+                self.book,
+                self.contact,
+                self.email,
+                self.phone,
+                self.postal,
+                self.address_list,
+                self.list_entry,
+                self.channel_rule,
+                self.quality,
+                self.provenance,
+                self.sync_source,
+                self.tombstone,
+                self.conflict,
+                self.import_run,
+                self.merge,
+                self.redirect,
+                self.unrelated,
+                unrelated_email,
+                tenant_two_book,
+                tenant_two_contact,
+                tenant_two_email,
+            ]
+        )
+        self.session.commit()
+        self.provider = AddressesDsarProvider()
+        self.subject = DsarSubjectRef(
+            account_id=self.account.id,
+            email=self.account.email,
+        )
+
+    def tearDown(self) -> None:
+        self.session.close()
+        self.engine.dispose()
+
+    def test_manifest_publishes_protocol_conforming_provider(self) -> None:
+        provided_names = {item.name for item in manifest.provides_interfaces}
+        self.assertIn(ADDRESSES_DSAR_CAPABILITY, provided_names)
+        provider = manifest.capability_factories[ADDRESSES_DSAR_CAPABILITY](None)
+        self.assertIsInstance(provider, DsarProvider)
+
+    def test_search_is_tenant_scoped_related_and_minimized(self) -> None:
+        records = self.provider.search_subject(
+            self.session,
+            tenant_id="tenant-1",
+            subject=self.subject,
+        )
+
+        resource_types = {record.resource_type for record in records}
+        self.assertTrue(
+            {
+                "addresses_contact",
+                "addresses_contact_email",
+                "addresses_contact_phone",
+                "addresses_contact_postal_address",
+                "addresses_list_membership",
+                "addresses_channel_rule",
+                "addresses_quality_decision",
+                "addresses_field_provenance",
+                "addresses_merge_record",
+                "addresses_contact_redirect",
+                "addresses_sync_tombstone",
+                "addresses_sync_conflict",
+                "addresses_address_book_attribution",
+                "addresses_sync_source_attribution",
+                "addresses_import_run_attribution",
+            }.issubset(resource_types)
+        )
+        serialized = repr([record.to_dict() for record in records])
+        excluded_values = (
+            "password-secret-do-not-export",
+            "raw-source-payload-do-not-export",
+            "contact-provenance-do-not-export",
+            "book-metadata-do-not-export",
+            "field-value-do-not-export",
+            "sync-token-do-not-export",
+            "private-account-ref-do-not-export",
+            "private-remote-revision-do-not-export",
+            "local-value-do-not-export",
+            "remote-value-do-not-export",
+            "import-plan-do-not-export",
+            "merge-before-do-not-export",
+            "merge-after-do-not-export",
+            "unrelated-person-do-not-export",
+            "other-tenant-do-not-export",
+        )
+        for value in excluded_values:
+            self.assertNotIn(value, serialized)
+
+    def test_conflicting_selectors_and_uncorroborated_reference_fail_closed(
+        self,
+    ) -> None:
+        conflict = self.provider.search_subject(
+            self.session,
+            tenant_id="tenant-1",
+            subject=DsarSubjectRef(
+                email="subject@example.test",
+                external_references={"addresses.email": "other@example.test"},
+            ),
+        )
+        uncorroborated = self.provider.search_subject(
+            self.session,
+            tenant_id="tenant-1",
+            subject=DsarSubjectRef(
+                email="subject@example.test",
+                external_references={"addresses.contact": self.unrelated.id},
+            ),
+        )
+
+        self.assertEqual((), conflict)
+        self.assertEqual((), uncorroborated)
+
+    def test_plan_retains_evidence_and_routes_contact_data_to_review(self) -> None:
+        records = self.provider.search_subject(
+            self.session,
+            tenant_id="tenant-1",
+            subject=self.subject,
+        )
+        actions = self.provider.plan_erasure(
+            self.session,
+            tenant_id="tenant-1",
+            subject=self.subject,
+            records=records,
+        )
+
+        kinds = {action.kind for action in actions}
+        self.assertEqual({"manual_review", "retain"}, kinds)
+        self.assertFalse(any(action.executable for action in actions))
+        retained = [action for action in actions if action.kind == "retain"]
+        self.assertTrue(retained)
+        self.assertTrue(all(action.rationale for action in retained))
+
+        results = self.provider.execute_erasure(
+            self.session,
+            tenant_id="tenant-1",
+            subject=self.subject,
+            actions=actions,
+            request_id="dsar-addresses-1",
+        )
+        self.assertEqual({"blocked"}, {result.status for result in results})
+        self.assertIsNotNone(self.session.get(Contact, self.contact.id))
+
+    def test_execution_rejects_foreign_or_forged_executable_actions(self) -> None:
+        foreign = DsarErasureActionRef(
+            action_id="mail:delete:contact:contact-1",
+            provider_id="mail",
+            module_id="mail",
+            kind="delete",
+            resource_type="addresses_contact",
+            resource_id=self.contact.id,
+            title="Foreign delete",
+            rationale="Must be rejected",
+            executable=True,
+        )
+        forged = DsarErasureActionRef(
+            action_id="addresses:delete:addresses_contact:contact-1",
+            provider_id="addresses",
+            module_id="addresses",
+            kind="delete",
+            resource_type="addresses_contact",
+            resource_id=self.contact.id,
+            title="Forged delete",
+            rationale="Must be rejected",
+            executable=True,
+        )
+
+        with self.assertRaises(ValueError):
+            self.provider.execute_erasure(
+                self.session,
+                tenant_id="tenant-1",
+                subject=self.subject,
+                actions=(foreign,),
+                request_id="dsar-addresses-2",
+            )
+        with self.assertRaises(ValueError):
+            self.provider.execute_erasure(
+                self.session,
+                tenant_id="tenant-1",
+                subject=self.subject,
+                actions=(forged,),
+                request_id="dsar-addresses-2",
+            )
+
+    def test_core_workflow_discovers_active_and_inactive_provider(self) -> None:
+        request = create_data_subject_request(
+            self.session,
+            tenant_id="tenant-1",
+            reference="DSAR-ADDRESSES-1",
+            request_kind="access",
+            subject=self.subject,
+            purpose="Respond to an authorized privacy request.",
+            legal_basis="Article 15 GDPR",
+            due_at=None,
+            requested_by_account_id="privacy-officer",
+        )
+        self.session.commit()
+        search_data_subject_request(
+            self.session,
+            registry=_Registry(self.provider),
+            row=request,
+            expected_revision=1,
+        )
+        self.assertEqual("searched", request.status)
+        self.assertEqual(["addresses"], request.coverage["covered_modules"])
+        self.assertEqual([], request.coverage["modules_without_provider"])
+
+        disabled = create_data_subject_request(
+            self.session,
+            tenant_id="tenant-1",
+            reference="DSAR-ADDRESSES-DISABLED",
+            request_kind="access",
+            subject=self.subject,
+            purpose="Verify disabled-module coverage.",
+            legal_basis="Article 15 GDPR",
+            due_at=None,
+            requested_by_account_id="privacy-officer",
+        )
+        search_data_subject_request(
+            self.session,
+            registry=_Registry(self.provider, addresses_active=False),
+            row=disabled,
+            expected_revision=1,
+        )
+
+        self.assertEqual(0, disabled.search_result["record_count"])
+        self.assertEqual(
+            [ADDRESSES_DSAR_CAPABILITY],
+            disabled.coverage["inactive_provider_capabilities"],
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_interface_documentation_contract.py

@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_addresses.backend.manifest import manifest
+
+
+class AddressesInterfaceDocumentationContractTests(unittest.TestCase):
+    def test_all_static_topics_have_complete_german_content(self) -> None:
+        for topic in manifest.documentation:
+            german = (topic.translations or {}).get("de", {})
+            self.assertEqual(
+                {"title", "summary", "body"},
+                set(german),
+                topic.id,
+            )
+            self.assertTrue(
+                all(str(value).strip() for value in german.values()), topic.id
+            )
+
+    def test_route_and_surfaces_remain_declared(self) -> None:
+        frontend = manifest.frontend
+        self.assertIsNotNone(frontend)
+        self.assertEqual({"/address-book"}, {item.path for item in frontend.routes})  # type: ignore[union-attr]
+        self.assertEqual(
+            {
+                "addresses.page",
+                "addresses.sources",
+                "addresses.contacts",
+                "addresses.detail",
+                "addresses.governance",
+                "addresses.sync",
+            },
+            {item.id for item in frontend.view_surfaces},  # type: ignore[union-attr]
+        )
+
+    def test_help_and_consequence_metadata_remain_published(self) -> None:
+        topics = {topic.id: topic for topic in manifest.documentation}
+        boundary = topics["addresses.boundary"]
+        governance = topics["addresses.contact-point-resolution"]
+        reference = topics["addresses.reference.fields-and-consequences"]
+
+        self.assertIn("addresses.state.read-only", boundary.metadata["help_contexts"])
+        self.assertIn(
+            "addresses.field.communication-purpose",
+            governance.metadata["help_contexts"],
+        )
+        self.assertIn("addresses.action.sync", reference.metadata["help_contexts"])
+        self.assertIn("merge", reference.metadata["consequence_classes"])
+        self.assertIn("governance_fact", reference.metadata["consequence_classes"])
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_ldap_sync.py

@@ -0,0 +1,172 @@
+from __future__ import annotations
+
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from govoplan_addresses.backend.db.models import AddressBook, AddressSyncSource, Contact
+from govoplan_addresses.backend.ldap import (
+    AddressLdapClient,
+    AddressLdapEntry,
+    AddressLdapError,
+    AddressLdapSearchResult,
+)
+from govoplan_addresses.backend.ldap_schemas import AddressLdapSourceCreateRequest
+from govoplan_addresses.backend.service import (
+    create_ldap_sync_source,
+    preview_sync_source,
+    run_sync_source,
+)
+from govoplan_core.db.base import Base
+
+
+class Principal:
+    account_id = "account-1"
+    group_ids = frozenset()
+
+    @property
+    def tenant_id(self) -> str:
+        return "tenant-1"
+
+    def has(self, scope: str) -> bool:
+        return scope in {
+            "addresses:address_book:read",
+            "addresses:address_book:write",
+            "addresses:contact:read",
+            "addresses:contact:write",
+            "addresses:contact:delete",
+            "addresses:sync:read",
+            "addresses:sync:write",
+        }
+
+
+class FakeLdapClient:
+    def __init__(self, entries: list[AddressLdapEntry], *, complete: bool = True) -> None:
+        self.entries = entries
+        self.complete = complete
+
+    def search(self, *, base_dn: str, search_filter: str, attributes: tuple[str, ...], page_size: int, max_entries: int) -> AddressLdapSearchResult:
+        del search_filter, attributes, max_entries
+        return AddressLdapSearchResult(
+            base_dn=base_dn,
+            entries=tuple(self.entries),
+            complete=self.complete,
+            page_size=page_size,
+        )
+
+
+def ldap_entry(
+    key: str,
+    *,
+    revision: str = "20260802090000Z",
+    organization: str = "Analysis Office",
+) -> AddressLdapEntry:
+    return AddressLdapEntry(
+        dn=f"uid={key},ou=people,dc=example,dc=test",
+        attributes={
+            "entryUUID": key,
+            "modifyTimestamp": revision,
+            "displayName": "Ada Lovelace",
+            "givenName": "Ada",
+            "sn": "Lovelace",
+            "mail": "ada@example.test",
+            "o": organization,
+            "memberOf": ["cn=analysts,ou=groups,dc=example,dc=test"],
+        },
+    )
+
+
+class AddressLdapSyncTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:")
+        Base.metadata.create_all(engine)
+        self.session = sessionmaker(bind=engine, expire_on_commit=False)()
+        self.principal = Principal()
+        self.book = AddressBook(
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Directory",
+            source_kind="local",
+            read_only=False,
+        )
+        self.session.add(self.book)
+        self.session.flush()
+        self.source = create_ldap_sync_source(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressLdapSourceCreateRequest(
+                url="ldaps://directory.example.test",
+                display_name="Corporate directory",
+                base_dn="ou=people,dc=example,dc=test",
+            ),
+        )
+        self.session.flush()
+
+    def test_preview_is_nonmutating_and_full_sync_is_idempotent(self) -> None:
+        client = FakeLdapClient([ldap_entry("person-1")])
+        preview = preview_sync_source(self.session, self.principal, self.source.id, client=client)
+        self.assertEqual(1, preview.stats.created)
+        self.assertEqual(0, self.session.query(Contact).count())
+
+        first = run_sync_source(self.session, self.principal, self.source.id, client=client)
+        self.assertEqual(1, first.stats.created)
+        contact = self.session.query(Contact).one()
+        self.assertEqual("ldap", contact.source_kind)
+        self.assertEqual("person-1", contact.provenance["ldap"]["source_key"])
+        self.assertEqual("succeeded", self.source.status)
+
+        repeated = run_sync_source(self.session, self.principal, self.source.id, client=client)
+        self.assertEqual(1, repeated.stats.unchanged)
+        self.assertEqual(1, self.session.query(Contact).count())
+
+        changed_client = FakeLdapClient(
+            [ldap_entry("person-1", revision="20260802100000Z", organization="Computing Office")]
+        )
+        changed = run_sync_source(self.session, self.principal, self.source.id, client=changed_client)
+        self.assertEqual(1, changed.stats.updated)
+        self.assertEqual("Computing Office", self.session.query(Contact).one().organization)
+
+    def test_only_complete_scans_plan_authoritative_deletes(self) -> None:
+        run_sync_source(
+            self.session,
+            self.principal,
+            self.source.id,
+            client=FakeLdapClient([ldap_entry("person-1")]),
+        )
+        incomplete = preview_sync_source(
+            self.session,
+            self.principal,
+            self.source.id,
+            client=FakeLdapClient([], complete=False),
+        )
+        self.assertEqual(0, incomplete.stats.deleted)
+        self.assertEqual(1, incomplete.stats.errors)
+        self.assertIsNone(self.session.query(Contact).one().deleted_at)
+
+        complete = run_sync_source(
+            self.session,
+            self.principal,
+            self.source.id,
+            client=FakeLdapClient([], complete=True),
+        )
+        self.assertEqual(1, complete.stats.deleted)
+        self.assertIsNotNone(self.session.query(Contact).one().deleted_at)
+
+    def test_connector_requires_encrypted_transport(self) -> None:
+        with self.assertRaisesRegex(AddressLdapError, "require StartTLS"):
+            AddressLdapClient(url="ldap://directory.example.test", start_tls=False)
+        with self.assertRaisesRegex(AddressLdapError, "must not contain credentials"):
+            AddressLdapClient(url="ldaps://user:secret@directory.example.test")
+
+    def test_source_is_always_read_only(self) -> None:
+        source = self.session.get(AddressSyncSource, self.source.id)
+        self.assertTrue(source.read_only)
+        self.assertEqual("read_only", source.sync_direction)
+        self.assertTrue(source.address_book.read_only)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_ldif_imports.py

@@ -0,0 +1,208 @@
+from __future__ import annotations
+
+import base64
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from govoplan_addresses.backend.db.models import AddressBook, Contact
+from govoplan_addresses.backend.import_schemas import (
+    AddressImportConfiguration,
+    AddressImportPreviewRequest,
+    AddressImportProfileCreateRequest,
+)
+from govoplan_addresses.backend.imports import (
+    apply_address_import,
+    create_import_profile,
+    import_run_payload,
+    preview_address_import,
+)
+from govoplan_addresses.backend.ldif import parse_ldif_rows
+from govoplan_core.db.base import Base
+
+
+class Principal:
+    account_id = "account-1"
+    group_ids = frozenset()
+
+    @property
+    def tenant_id(self) -> str:
+        return "tenant-1"
+
+    def has(self, scope: str) -> bool:
+        return scope in {
+            "addresses:address_book:read",
+            "addresses:address_book:write",
+            "addresses:contact:read",
+            "addresses:contact:write",
+        }
+
+
+def encoded(value: bytes | str) -> str:
+    raw = value.encode() if isinstance(value, str) else value
+    return base64.b64encode(raw).decode()
+
+
+class AddressLdifImportTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:")
+        Base.metadata.create_all(engine)
+        self.session = sessionmaker(bind=engine, expire_on_commit=False)()
+        self.principal = Principal()
+        self.book = AddressBook(
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Imported contacts",
+            source_kind="local",
+            read_only=False,
+        )
+        self.session.add(self.book)
+
+    def create_profile(self, **configuration_overrides):
+        configuration = AddressImportConfiguration(
+            field_mappings={
+                "source_key": "dn",
+                "display_name": "cn",
+                "given_name": "givenName",
+                "family_name": "sn",
+                "email": "mail",
+                "phone": "telephoneNumber",
+                "organization": "o",
+            },
+            **configuration_overrides,
+        )
+        profile = create_import_profile(
+            self.session,
+            self.principal,
+            AddressImportProfileCreateRequest(
+                scope_type="tenant",
+                name="Directory export",
+                source_format="ldif",
+                configuration=configuration,
+            ),
+        )
+        self.session.flush()
+        return profile
+
+    def test_parser_unfolds_and_decodes_text_without_projecting_binary_or_urls(self) -> None:
+        rows, diagnostics = parse_ldif_rows(
+            b"version: 1\n\n"
+            b"# exported contact\n"
+            b"dn: uid=ada,ou=people,dc=example,dc=test\n"
+            b"cn:: QWRhIExvdmVsYWNl\n"
+            b"sn: Love\n"
+            b" lace\n"
+            b"mail: ada@example.test\n"
+            b"mail: ada.work@example.test\n"
+            b"jpegPhoto:: /9j/\n"
+            b"seeAlso:< https://example.test/contact/ada\n",
+            max_entries=10,
+        )
+
+        self.assertEqual(1, len(rows))
+        self.assertEqual(["Ada Lovelace"], rows[0][1]["cn"])
+        self.assertEqual(["Lovelace"], rows[0][1]["sn"])
+        self.assertEqual(["ada@example.test", "ada.work@example.test"], rows[0][1]["mail"])
+        self.assertNotIn("jpegphoto", rows[0][1])
+        self.assertNotIn("seealso", rows[0][1])
+        self.assertEqual(
+            {"ldif_binary_value_ignored", "ldif_url_value_ignored"},
+            {item["code"] for item in diagnostics},
+        )
+
+    def test_preview_apply_and_repeat_preserve_multivalue_provenance(self) -> None:
+        profile = self.create_profile(default_tags=["ldif"])
+        source = (
+            "dn: uid=ada,ou=people,dc=example,dc=test\n"
+            "cn: Ada Lovelace\n"
+            "givenName: Ada\n"
+            "sn: Lovelace\n"
+            "mail: ada@example.test\n"
+            "mail: ada.work@example.test\n"
+            "telephoneNumber: +49 30 123\n"
+            "o: Analysis Office\n"
+        )
+        request = AddressImportPreviewRequest(
+            profile_id=profile.id,
+            filename="contacts.ldif",
+            content_base64=encoded(source),
+        )
+        run = preview_address_import(self.session, self.principal, self.book.id, request)
+        self.assertEqual(1, run.statistics["create"])
+        self.assertFalse([item for item in run.diagnostics if item["severity"] == "error"])
+
+        apply_address_import(self.session, self.principal, run.id, expected_plan_hash=run.plan_hash)
+        contact = self.session.query(Contact).one()
+        self.assertEqual(["ada@example.test", "ada.work@example.test"], [item.email for item in contact.emails])
+        self.assertEqual("ldif", contact.source_kind)
+        self.assertEqual("ldif", contact.provenance["import"]["source_format"])
+        self.assertEqual(64, len(contact.provenance["import"]["source_record_hash"]))
+        self.assertNotIn(source, repr(import_run_payload(run)))
+
+        repeated = preview_address_import(self.session, self.principal, self.book.id, request)
+        self.assertEqual(1, repeated.statistics["unchanged"])
+        apply_address_import(self.session, self.principal, repeated.id, expected_plan_hash=repeated.plan_hash)
+        self.assertEqual(1, self.session.query(Contact).count())
+
+    def test_change_records_are_rejected_by_default_and_add_requires_explicit_policy(self) -> None:
+        source = (
+            "dn: uid=ada,ou=people,dc=example,dc=test\n"
+            "changetype: add\n"
+            "cn: Ada Lovelace\n"
+            "mail: ada@example.test\n"
+        )
+        rejected_profile = self.create_profile()
+        rejected = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=rejected_profile.id,
+                filename="changes.ldif",
+                content_base64=encoded(source),
+            ),
+        )
+        self.assertEqual(0, rejected.row_count)
+        self.assertIn("ldif_change_record_rejected", {item["code"] for item in rejected.diagnostics})
+        self.assertFalse(import_run_payload(rejected)["can_apply"])
+
+        allowed_profile = self.create_profile(ldif_change_record_policy="treat_add_as_entry")
+        allowed = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=allowed_profile.id,
+                filename="changes.ldif",
+                content_base64=encoded(source),
+            ),
+        )
+        self.assertEqual(1, allowed.statistics["create"])
+        self.assertIn("ldif_add_record_imported", {item["code"] for item in allowed.diagnostics})
+
+    def test_invalid_base64_is_a_correction_diagnostic_and_blocks_apply(self) -> None:
+        profile = self.create_profile()
+        run = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=profile.id,
+                filename="broken.ldif",
+                content_base64=encoded(
+                    "dn: uid=ada,dc=example,dc=test\n"
+                    "cn:: this-is-not-base64!\n"
+                    "mail: ada@example.test\n"
+                ),
+            ),
+        )
+        self.assertIn("ldif_invalid_base64", {item["code"] for item in run.diagnostics})
+        self.assertFalse(import_run_payload(run)["can_apply"])
+        with self.assertRaisesRegex(ValueError, "error diagnostics"):
+            apply_address_import(self.session, self.principal, run.id, expected_plan_hash=run.plan_hash)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_migrations.py

@@ -0,0 +1,49 @@
+from __future__ import annotations
+
+import tempfile
+import unittest
+from pathlib import Path
+
+from alembic.runtime.migration import MigrationContext
+from sqlalchemy import create_engine, inspect
+
+from govoplan_addresses.backend.db.models import Base
+from govoplan_addresses.backend.manifest import get_manifest
+from govoplan_core.db.migrations import migrate_database
+
+
+class AddressesMigrationTests(unittest.TestCase):
+    def test_schema_identifiers_fit_postgresql_limit(self) -> None:
+        overlong_indexes = sorted(
+            index.name
+            for table in Base.metadata.tables.values()
+            if table.name.startswith("addresses_")
+            for index in table.indexes
+            if index.name and len(index.name) > 63
+        )
+        self.assertEqual([], overlong_indexes)
+
+    def test_fresh_database_reaches_import_profile_head(self) -> None:
+        with tempfile.TemporaryDirectory(prefix="govoplan-addresses-migration-") as directory:
+            url = f"sqlite:///{Path(directory) / 'addresses.db'}"
+            migrate_database(
+                database_url=url,
+                enabled_modules=("addresses",),
+                manifest_factories=(get_manifest,),
+            )
+            engine = create_engine(url)
+            try:
+                with engine.connect() as connection:
+                    self.assertIn(
+                        "d6e8f9a0b1c2",
+                        set(MigrationContext.configure(connection).get_current_heads()),
+                    )
+                    tables = set(inspect(connection).get_table_names())
+                    self.assertIn("addresses_import_profiles", tables)
+                    self.assertIn("addresses_import_runs", tables)
+            finally:
+                engine.dispose()
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_provider_state.py

@@ -0,0 +1,133 @@
+from __future__ import annotations
+
+from datetime import UTC, datetime
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from govoplan_addresses.backend.db.models import (
+    AddressBook,
+    AddressSyncConflict,
+    AddressSyncDiagnostic,
+    AddressSyncSource,
+)
+from govoplan_addresses.backend.manifest import manifest
+from govoplan_addresses.backend.provider_state import (
+    CARDDAV_PROVIDER_ID,
+    LDAP_PROVIDER_ID,
+    carddav_provider_states,
+    ldap_provider_states,
+)
+from govoplan_core.core.provider_governance import ExternalProviderStateContext
+from govoplan_core.db.base import Base
+
+
+class AddressesProviderStateTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.engine = create_engine("sqlite+pysqlite:///:memory:", future=True)
+        Base.metadata.create_all(
+            self.engine,
+            tables=(
+                AddressBook.__table__,
+                AddressSyncSource.__table__,
+                AddressSyncConflict.__table__,
+                AddressSyncDiagnostic.__table__,
+            ),
+        )
+        self.session = sessionmaker(bind=self.engine, expire_on_commit=False)()
+        book = AddressBook(
+            id="book-1",
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Remote",
+        )
+        self.source = AddressSyncSource(
+            id="source-1",
+            tenant_id="tenant-1",
+            address_book_id=book.id,
+            connector_type="carddav",
+            display_name="CardDAV",
+            external_address_book_ref="https://dav.example.test/addressbook/",
+            sync_direction="two_way",
+            read_only=False,
+            enabled=True,
+            status="succeeded",
+            last_success_at=datetime.now(UTC),
+        )
+        self.session.add_all((book, self.source))
+        self.session.commit()
+
+    def tearDown(self) -> None:
+        self.session.close()
+        self.engine.dispose()
+
+    def test_state_is_tenant_bounded_secret_free_and_reports_conflict(self) -> None:
+        healthy = carddav_provider_states(
+            ExternalProviderStateContext(session=self.session, tenant_id="tenant-1")
+        )[0]
+
+        self.assertEqual("healthy", healthy.health)
+        self.assertEqual("current", healthy.freshness)
+        self.assertEqual("governed_sync", healthy.authority_mode)
+        self.assertNotIn("dav.example.test", str(healthy.to_dict()))
+        self.assertEqual(
+            (),
+            carddav_provider_states(
+                ExternalProviderStateContext(
+                    session=self.session,
+                    tenant_id="tenant-2",
+                )
+            ),
+        )
+
+        self.session.add(
+            AddressSyncConflict(
+                tenant_id="tenant-1",
+                sync_source_id=self.source.id,
+                address_book_id="book-1",
+                field_path="email",
+                status="open",
+            )
+        )
+        self.session.flush()
+
+        conflicted = carddav_provider_states(
+            ExternalProviderStateContext(session=self.session, tenant_id="tenant-1")
+        )[0]
+        self.assertEqual("pending", conflicted.conflict)
+        self.assertEqual("attention", conflicted.recovery)
+
+    def test_manifest_registers_carddav_declaration_and_state(self) -> None:
+        self.assertEqual(CARDDAV_PROVIDER_ID, manifest.external_providers[0].id)
+        self.assertEqual(
+            CARDDAV_PROVIDER_ID,
+            manifest.external_provider_state_providers[0].provider_id,
+        )
+        self.assertEqual(LDAP_PROVIDER_ID, manifest.external_providers[1].id)
+        self.assertEqual(
+            LDAP_PROVIDER_ID,
+            manifest.external_provider_state_providers[1].provider_id,
+        )
+
+    def test_failed_ldap_source_is_stale_without_exposing_endpoint(self) -> None:
+        self.source.connector_type = "ldap"
+        self.source.display_name = "Directory"
+        self.source.status = "failed"
+        self.source.last_error = "connection failed"
+        self.session.flush()
+
+        state = ldap_provider_states(
+            ExternalProviderStateContext(session=self.session, tenant_id="tenant-1")
+        )[0]
+
+        self.assertEqual(LDAP_PROVIDER_ID, state.provider_id)
+        self.assertEqual("error", state.health)
+        self.assertEqual("current", state.freshness)
+        self.assertEqual("external_authoritative", state.authority_mode)
+        self.assertNotIn("dav.example.test", str(state.to_dict()))
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_tabular_imports.py

@@ -0,0 +1,309 @@
+from __future__ import annotations
+
+import base64
+from io import BytesIO
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from openpyxl import Workbook
+
+from govoplan_addresses.backend.db.models import AddressBook, Contact
+from govoplan_addresses.backend.import_schemas import (
+    AddressImportConfiguration,
+    AddressImportPreviewRequest,
+    AddressImportProfileCreateRequest,
+    AddressImportProfileUpdateRequest,
+    AddressImportRollbackRequest,
+)
+from govoplan_addresses.backend.imports import (
+    apply_address_import,
+    create_import_profile,
+    get_import_run,
+    import_run_payload,
+    preview_address_import,
+    rollback_address_import,
+    update_import_profile,
+)
+from govoplan_core.db.base import Base
+
+
+class Principal:
+    account_id = "account-1"
+    group_ids = frozenset({"group-1"})
+
+    @property
+    def tenant_id(self) -> str:
+        return "tenant-1"
+
+    def has(self, scope: str) -> bool:
+        return scope in {
+            "addresses:address_book:read",
+            "addresses:address_book:write",
+            "addresses:contact:read",
+            "addresses:contact:write",
+        }
+
+
+class OtherTenantPrincipal(Principal):
+    @property
+    def tenant_id(self) -> str:
+        return "tenant-2"
+
+
+def encoded(value: str) -> str:
+    return base64.b64encode(value.encode()).decode()
+
+
+class AddressTabularImportTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:")
+        Base.metadata.create_all(engine)
+        self.session = sessionmaker(bind=engine, expire_on_commit=False)()
+        self.principal = Principal()
+        self.book = AddressBook(
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Imported contacts",
+            source_kind="local",
+            read_only=False,
+        )
+        self.session.add(self.book)
+        self.profile = create_import_profile(
+            self.session,
+            self.principal,
+            AddressImportProfileCreateRequest(
+                scope_type="tenant",
+                name="Monthly contacts",
+                source_format="csv",
+                configuration=AddressImportConfiguration(
+                    delimiter=";",
+                    field_mappings={
+                        "source_key": "id",
+                        "given_name": "first",
+                        "family_name": "last",
+                        "email": "email",
+                        "organization": "organization",
+                    },
+                ),
+            ),
+        )
+        self.session.flush()
+
+    def test_preview_apply_repeat_and_guarded_rollback(self) -> None:
+        payload = AddressImportPreviewRequest(
+            profile_id=self.profile.id,
+            filename="contacts.csv",
+            content_base64=encoded(
+                "id;first;last;email;organization\n"
+                "1;Ada;Lovelace;ada@example.test;Analysis Office\n"
+                "2;Grace;Hopper;grace@example.test;Computing Office\n"
+            ),
+        )
+        run = preview_address_import(self.session, self.principal, self.book.id, payload)
+        self.assertEqual(2, run.statistics["create"])
+        self.assertFalse(run.diagnostics)
+
+        applied = apply_address_import(
+            self.session,
+            self.principal,
+            run.id,
+            expected_plan_hash=run.plan_hash,
+        )
+        self.assertEqual("applied", applied.status)
+        self.assertEqual(2, self.session.query(Contact).filter(Contact.deleted_at.is_(None)).count())
+        self.assertIs(applied, apply_address_import(self.session, self.principal, run.id, expected_plan_hash=run.plan_hash))
+        response_evidence = import_run_payload(applied)["result_evidence"]
+        self.assertEqual(2, response_evidence["created_contact_count"])
+        self.assertNotIn("created_contact_ids", response_evidence)
+        self.assertNotIn("updated_contacts", response_evidence)
+
+        repeated = preview_address_import(self.session, self.principal, self.book.id, payload)
+        self.assertEqual(2, repeated.statistics["unchanged"])
+        apply_address_import(self.session, self.principal, repeated.id, expected_plan_hash=repeated.plan_hash)
+        self.assertEqual(2, self.session.query(Contact).filter(Contact.deleted_at.is_(None)).count())
+
+        rolled_back = rollback_address_import(
+            self.session,
+            self.principal,
+            run.id,
+            AddressImportRollbackRequest(
+                expected_plan_hash=run.plan_hash,
+                reason="The operator selected the wrong monthly file.",
+            ),
+        )
+        self.assertEqual("rolled_back", rolled_back.status)
+        self.assertEqual(0, self.session.query(Contact).filter(Contact.deleted_at.is_(None)).count())
+
+    def test_rollback_rejects_a_stale_review_hash(self) -> None:
+        run = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=self.profile.id,
+                filename="contacts.csv",
+                content_base64=encoded(
+                    "id;first;last;email;organization\n"
+                    "1;Ada;Lovelace;ada@example.test;Analysis Office\n"
+                ),
+            ),
+        )
+        apply_address_import(
+            self.session,
+            self.principal,
+            run.id,
+            expected_plan_hash=run.plan_hash,
+        )
+
+        with self.assertRaisesRegex(ValueError, "reviewed import plan changed"):
+            rollback_address_import(
+                self.session,
+                self.principal,
+                run.id,
+                AddressImportRollbackRequest(
+                    expected_plan_hash="0" * 64,
+                    reason="The operator selected the wrong monthly file.",
+                ),
+            )
+
+    def test_persisted_run_read_is_tenant_bounded_and_source_safe(self) -> None:
+        source = "id;first;last;email;organization\n1;Ada;Lovelace;ada@example.test;Analysis Office\n"
+        run = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=self.profile.id,
+                filename="contacts.csv",
+                content_base64=encoded(source),
+            ),
+        )
+        self.session.flush()
+
+        payload = import_run_payload(get_import_run(self.session, self.principal, run.id))
+        self.assertEqual("previewed", payload["status"])
+        self.assertEqual(run.plan_hash, payload["plan_hash"])
+        self.assertNotIn("plan_data", payload)
+        self.assertNotIn(source, repr(payload))
+
+        with self.assertRaisesRegex(ValueError, "not found"):
+            get_import_run(self.session, OtherTenantPrincipal(), run.id)
+
+    def test_duplicate_keys_and_changed_targets_block_apply(self) -> None:
+        duplicate = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=self.profile.id,
+                filename="duplicates.csv",
+                content_base64=encoded(
+                    "id;first;last;email;organization\n"
+                    "1;Ada;Lovelace;ada@example.test;One\n"
+                    "1;Ada;Lovelace;ada@example.test;Two\n"
+                ),
+            ),
+        )
+        self.assertEqual(2, duplicate.statistics["conflict"])
+        with self.assertRaisesRegex(ValueError, "error diagnostics"):
+            apply_address_import(self.session, self.principal, duplicate.id, expected_plan_hash=duplicate.plan_hash)
+
+        initial = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=self.profile.id,
+                filename="one.csv",
+                content_base64=encoded("id;first;last;email;organization\n1;Ada;Lovelace;ada@example.test;One\n"),
+            ),
+        )
+        apply_address_import(self.session, self.principal, initial.id, expected_plan_hash=initial.plan_hash)
+        changed = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=self.profile.id,
+                filename="one.csv",
+                content_base64=encoded("id;first;last;email;organization\n1;Ada;Lovelace;ada@example.test;Two\n"),
+            ),
+        )
+        contact = self.session.query(Contact).filter(Contact.deleted_at.is_(None)).one()
+        contact.organization = "Concurrent edit"
+        self.session.flush()
+        with self.assertRaisesRegex(ValueError, "changed after preview"):
+            apply_address_import(self.session, self.principal, changed.id, expected_plan_hash=changed.plan_hash)
+
+    def test_profile_updates_create_immutable_versions(self) -> None:
+        next_profile = update_import_profile(
+            self.session,
+            self.principal,
+            self.profile.id,
+            payload=AddressImportProfileUpdateRequest(name="Monthly contacts v2"),
+        )
+        self.assertFalse(self.profile.is_current)
+        self.assertTrue(next_profile.is_current)
+        self.assertEqual(self.profile.profile_key, next_profile.profile_key)
+        self.assertEqual(2, next_profile.version)
+
+    def test_xlsx_sheet_selection_and_formula_rejection(self) -> None:
+        workbook = Workbook()
+        workbook.active.title = "Ignore"
+        sheet = workbook.create_sheet("Contacts")
+        sheet.append(["id", "first", "last", "email", "organization"])
+        sheet.append(["1", "Ada", "Lovelace", "ada@example.test", "Analysis Office"])
+        content = BytesIO()
+        workbook.save(content)
+        xlsx_profile = create_import_profile(
+            self.session,
+            self.principal,
+            AddressImportProfileCreateRequest(
+                scope_type="tenant",
+                name="Workbook contacts",
+                source_format="xlsx",
+                configuration=AddressImportConfiguration(
+                    sheet_name="Contacts",
+                    field_mappings={
+                        "source_key": "id",
+                        "given_name": "first",
+                        "family_name": "last",
+                        "email": "email",
+                        "organization": "organization",
+                    },
+                ),
+            ),
+        )
+        self.session.flush()
+        run = preview_address_import(
+            self.session,
+            self.principal,
+            self.book.id,
+            AddressImportPreviewRequest(
+                profile_id=xlsx_profile.id,
+                filename="contacts.xlsx",
+                content_base64=base64.b64encode(content.getvalue()).decode(),
+            ),
+        )
+        self.assertEqual(1, run.statistics["create"])
+
+        sheet["E2"] = "=CONCAT(\"Analysis\", \" Office\")"
+        content = BytesIO()
+        workbook.save(content)
+        with self.assertRaisesRegex(ValueError, "formulas are never evaluated"):
+            preview_address_import(
+                self.session,
+                self.principal,
+                self.book.id,
+                AddressImportPreviewRequest(
+                    profile_id=xlsx_profile.id,
+                    filename="contacts.xlsx",
+                    content_base64=base64.b64encode(content.getvalue()).decode(),
+                ),
+            )
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_vcard_batches.py

@@ -0,0 +1,270 @@
+from __future__ import annotations
+
+import base64
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from govoplan_addresses.backend.db.models import (
+    AddressBook,
+    AddressList,
+    AddressListEntry,
+    Contact,
+)
+from govoplan_addresses.backend.schemas import ContactCreateRequest
+from govoplan_addresses.backend.service import AddressBookError, create_contact
+from govoplan_addresses.backend.vcard import (
+    MAX_VCARD_UNFOLDED_LINE_CHARS,
+    parse_vcards_with_issues,
+)
+from govoplan_addresses.backend.vcard_batch_schemas import (
+    VCardBatchCancelRequest,
+    VCardBatchCommitRequest,
+    VCardBatchFilePayload,
+    VCardBatchPreviewRequest,
+    VCardBatchSelection,
+    VCardExportRequest,
+)
+from govoplan_addresses.backend.vcard_batches import (
+    apply_vcard_batch,
+    cancel_vcard_batch,
+    export_vcards,
+    preview_vcard_batch,
+    vcard_batch_payload,
+)
+from govoplan_core.db.base import Base
+
+
+class Principal:
+    account_id = "account-1"
+    group_ids = frozenset()
+
+    @property
+    def tenant_id(self) -> str:
+        return "tenant-1"
+
+    def has(self, scope: str) -> bool:
+        return scope in {
+            "addresses:address_book:read",
+            "addresses:address_book:write",
+            "addresses:contact:read",
+            "addresses:contact:write",
+        }
+
+
+def vcard(uid: str, name: str, email: str) -> str:
+    return (
+        "BEGIN:VCARD\r\n"
+        "VERSION:4.0\r\n"
+        f"UID:{uid}\r\n"
+        f"FN:{name}\r\n"
+        f"EMAIL:{email}\r\n"
+        "END:VCARD\r\n"
+    )
+
+
+def batch_file(filename: str, content: str) -> VCardBatchFilePayload:
+    return VCardBatchFilePayload(
+        filename=filename,
+        content_base64=base64.b64encode(content.encode()).decode(),
+    )
+
+
+class VCardBatchTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:")
+        Base.metadata.create_all(engine)
+        self.session = sessionmaker(bind=engine, expire_on_commit=False)()
+        self.principal = Principal()
+        self.book = AddressBook(
+            tenant_id="tenant-1",
+            scope_type="tenant",
+            scope_id="tenant-1",
+            name="Batch contacts",
+            source_kind="local",
+            read_only=False,
+        )
+        self.session.add(self.book)
+        self.session.flush()
+
+    def test_multifile_preview_selective_apply_and_repeat_are_idempotent(self) -> None:
+        run = preview_vcard_batch(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardBatchPreviewRequest(
+                files=[
+                    batch_file(
+                        "ada.vcf", vcard("ada-1", "Ada Lovelace", "ada@example.test")
+                    ),
+                    batch_file(
+                        "grace.vcf",
+                        vcard("grace-1", "Grace Hopper", "grace@example.test"),
+                    ),
+                ]
+            ),
+        )
+
+        self.assertEqual(0, self.session.query(Contact).count())
+        self.assertEqual("previewed", run.status)
+        self.assertEqual(2, run.row_count)
+        self.assertEqual("govoplan-vcard/2", run.result_evidence["parser_version"])
+        self.assertNotIn("ada@example.test", repr(vcard_batch_payload(run)))
+
+        selections = [
+            VCardBatchSelection(
+                source_key=run.plan_data[0]["source_key"], action="create"
+            ),
+            VCardBatchSelection(
+                source_key=run.plan_data[1]["source_key"], action="ignore"
+            ),
+        ]
+        request = VCardBatchCommitRequest(
+            expected_plan_hash=run.plan_hash, selections=selections
+        )
+        applied = apply_vcard_batch(self.session, self.principal, run.id, request)
+        repeated = apply_vcard_batch(self.session, self.principal, run.id, request)
+
+        self.assertIs(applied, repeated)
+        self.assertEqual(1, self.session.query(Contact).count())
+        self.assertEqual("Ada Lovelace", self.session.query(Contact).one().display_name)
+        self.assertEqual(1, applied.result_evidence["progress"]["ignored"])
+        with self.assertRaisesRegex(AddressBookError, "different selection"):
+            apply_vcard_batch(
+                self.session,
+                self.principal,
+                run.id,
+                VCardBatchCommitRequest(
+                    expected_plan_hash=run.plan_hash,
+                    selections=[
+                        VCardBatchSelection(
+                            source_key=run.plan_data[1]["source_key"], action="create"
+                        )
+                    ],
+                ),
+            )
+
+    def test_duplicate_uid_policy_and_cancellation(self) -> None:
+        run = preview_vcard_batch(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardBatchPreviewRequest(
+                files=[
+                    batch_file(
+                        "duplicates.vcf",
+                        vcard("same", "First", "first@example.test")
+                        + vcard("same", "Last", "last@example.test"),
+                    )
+                ],
+                duplicate_card_policy="reject",
+            ),
+        )
+        self.assertEqual(
+            ["conflict", "conflict"], [item["action"] for item in run.plan_data]
+        )
+        cancelled = cancel_vcard_batch(
+            self.session,
+            self.principal,
+            run.id,
+            VCardBatchCancelRequest(
+                expected_plan_hash=run.plan_hash,
+                reason="Operator rejected duplicate source UIDs.",
+            ),
+        )
+        self.assertEqual("cancelled", cancelled.status)
+        self.assertEqual(0, self.session.query(Contact).count())
+
+        last = preview_vcard_batch(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardBatchPreviewRequest(
+                files=[
+                    batch_file(
+                        "duplicates.vcf",
+                        vcard("same", "First", "first@example.test")
+                        + vcard("same", "Last", "last@example.test"),
+                    )
+                ],
+                duplicate_card_policy="last",
+            ),
+        )
+        self.assertEqual(
+            ["ignore", "create"], [item["action"] for item in last.plan_data]
+        )
+
+    def test_deterministic_scoped_export_supports_vcard_versions(self) -> None:
+        grace = create_contact(
+            self.session,
+            self.principal,
+            self.book.id,
+            ContactCreateRequest(display_name="Grace Hopper"),
+        )
+        ada = create_contact(
+            self.session,
+            self.principal,
+            self.book.id,
+            ContactCreateRequest(display_name="Ada Lovelace"),
+        )
+        address_list = AddressList(
+            tenant_id="tenant-1",
+            address_book_id=self.book.id,
+            name="Selected",
+            source_kind="local",
+            read_only=False,
+        )
+        self.session.add(address_list)
+        self.session.flush()
+        self.session.add(
+            AddressListEntry(
+                address_list_id=address_list.id, contact_id=grace.id, order_index=0
+            )
+        )
+        self.session.flush()
+
+        selected = export_vcards(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardExportRequest(
+                scope="contacts", contact_ids=[grace.id, ada.id], version="3.0"
+            ),
+        )
+        repeated = export_vcards(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardExportRequest(
+                scope="contacts", contact_ids=[ada.id, grace.id], version="3.0"
+            ),
+        )
+        listed = export_vcards(
+            self.session,
+            self.principal,
+            self.book.id,
+            VCardExportRequest(scope="address_list", address_list_id=address_list.id),
+        )
+
+        self.assertEqual(selected["content_hash"], repeated["content_hash"])
+        self.assertLess(
+            selected["content"].index("Ada Lovelace"),
+            selected["content"].index("Grace Hopper"),
+        )
+        self.assertIn("VERSION:3.0", selected["content"])
+        self.assertEqual(1, listed["contact_count"])
+        self.assertIn("Grace Hopper", listed["content"])
+
+    def test_parser_rejects_pathological_unfolded_lines(self) -> None:
+        result = parse_vcards_with_issues(
+            "BEGIN:VCARD\nFN:"
+            + ("a" * (MAX_VCARD_UNFOLDED_LINE_CHARS + 1))
+            + "\nEND:VCARD"
+        )
+        self.assertEqual([], result.cards)
+        self.assertIn("unfolded lines", result.issues[0].message)
+
+
+if __name__ == "__main__":
+    unittest.main()

webui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@govoplan/addresses-webui",
-  "version": "0.1.9",
+  "version": "0.1.21",
   "private": true,
   "type": "module",
   "main": "src/index.ts",
@@ -14,14 +14,15 @@
     "./styles/addresses.css": "./src/styles/addresses.css"
   },
   "scripts": {
-    "test:ui-structure": "node scripts/test-selection-list-structure.mjs"
+    "test:ui-structure": "node scripts/test-selection-list-structure.mjs",
+    "test:import-run": "rm -rf .import-run-test-build && mkdir -p .import-run-test-build && printf '{\"type\":\"commonjs\"}\\n' > .import-run-test-build/package.json && ../../govoplan-core/webui/node_modules/.bin/tsc -p tsconfig.import-run-tests.json && node .import-run-test-build/tests/import-run-state.test.js"
   },
   "peerDependencies": {
-    "@govoplan/core-webui": "^0.1.11",
+    "@govoplan/core-webui": "^0.1.18",
     "lucide-react": "^1.23.0",
-    "react": "^19.0.0",
+    "react": ">=19.2.7 <20",
-    "react-dom": "^19.0.0",
+    "react-dom": ">=19.2.7 <20",
-    "react-router-dom": "^7.1.1"
+    "react-router": ">=8.3.0 <9"
   },
   "peerDependenciesMeta": {
     "@govoplan/core-webui": {

webui/src/api/addresses.ts

@@ -39,6 +39,11 @@ export type ContactEmail = {
   id?: string;
   label?: string | null;
   email: string;
+  original_email?: string;
+  normalized_email?: string;
+  provenance?: Record<string, unknown>;
+  quality_state?: ContactPointQualityState;
+  quality_reason_code?: string | null;
   is_primary: boolean;
 };
 
@@ -46,6 +51,11 @@ export type ContactPhone = {
   id?: string;
   label?: string | null;
   phone: string;
+  original_phone?: string;
+  normalized_phone?: string;
+  provenance?: Record<string, unknown>;
+  quality_state?: ContactPointQualityState;
+  quality_reason_code?: string | null;
   is_primary: boolean;
 };
 
@@ -57,9 +67,35 @@ export type ContactPostalAddress = {
   locality?: string | null;
   region?: string | null;
   country?: string | null;
+  original_value?: Record<string, unknown>;
+  normalized_value?: Record<string, unknown>;
+  provenance?: Record<string, unknown>;
+  quality_state?: ContactPointQualityState;
+  quality_reason_code?: string | null;
   is_primary: boolean;
 };
 
+export type ContactPointQualityState = "valid" | "invalid" | "returned" | "stale" | "undeliverable";
+
+export type ContactFieldProvenance = {
+  id: string;
+  contact_id: string;
+  field_path: string;
+  value?: unknown;
+  source_kind: string;
+  source_ref?: string | null;
+  source_revision?: string | null;
+  precedence: number;
+  selected: boolean;
+  reason_code: string;
+  explanation?: string | null;
+  visibility: "inherit" | "private" | "restricted" | "public";
+  merge_record_id?: string | null;
+  created_by_account_id?: string | null;
+  metadata: Record<string, unknown>;
+  created_at: string;
+};
+
 export type Contact = {
   id: string;
   tenant_id?: string | null;
@@ -79,11 +115,142 @@ export type Contact = {
   emails: ContactEmail[];
   phones: ContactPhone[];
   postal_addresses: ContactPostalAddress[];
+  field_provenance?: ContactFieldProvenance[];
   deleted_at?: string | null;
   created_at: string;
   updated_at: string;
 };
 
+export type ContactPointQualityDecision = {
+  id: string;
+  tenant_id?: string | null;
+  contact_id: string;
+  channel: "email" | "phone" | "postal" | "internal_mail" | "portal";
+  contact_point_id?: string | null;
+  state: ContactPointQualityState;
+  reason_code: string;
+  reason?: string | null;
+  evidence_ref?: string | null;
+  effective_from: string;
+  effective_until?: string | null;
+  created_by_account_id?: string | null;
+  metadata: Record<string, unknown>;
+  created_at: string;
+  updated_at: string;
+};
+
+export type ContactDuplicateFeature = {
+  code: string;
+  label: string;
+  weight: number;
+  value: string;
+};
+
+export type ContactDuplicateSuggestion = {
+  left: Contact;
+  right: Contact;
+  score: number;
+  confidence: "possible" | "likely" | "strong";
+  features: ContactDuplicateFeature[];
+};
+
+export type ContactDuplicateSuggestionList = {
+  suggestions: ContactDuplicateSuggestion[];
+  scanned_contacts: number;
+  candidate_pairs: number;
+  truncated: boolean;
+};
+
+export type ContactMergeRecord = {
+  id: string;
+  tenant_id?: string | null;
+  address_book_id: string;
+  winner_contact_id: string;
+  loser_contact_ids: string[];
+  status: string;
+  reason: string;
+  survivorship: Record<string, unknown>;
+  decisions: Array<Record<string, unknown>>;
+  before_hash: string;
+  after_hash: string;
+  created_by_account_id?: string | null;
+  recovered_at?: string | null;
+  recovered_by_account_id?: string | null;
+  recovery_action?: string | null;
+  recovery_reason?: string | null;
+  provenance: Record<string, unknown>;
+  created_at: string;
+  updated_at: string;
+};
+
+export type AddressQualityCorrection = {
+  contact_id: string;
+  display_name: string;
+  channel: "email" | "phone" | "postal" | "internal_mail" | "portal";
+  contact_point_id?: string | null;
+  state: ContactPointQualityState;
+  reason_code: string;
+  reason?: string | null;
+  effective_from: string;
+};
+
+export type AddressQualitySummary = {
+  contact_count: number;
+  contact_point_count: number;
+  quality_counts: Record<string, number>;
+  duplicate_suggestion_count: number;
+  correction_count: number;
+  corrections: AddressQualityCorrection[];
+  truncated: boolean;
+};
+
+export type AddressDistributionChannel = "email" | "postal" | "internal_mail" | "portal";
+export type AddressChannelDecision =
+  | "allowed"
+  | "opted_in"
+  | "preferred"
+  | "opted_out"
+  | "suppressed"
+  | "invalid"
+  | "returned"
+  | "temporarily_unavailable";
+
+export type ContactChannelRule = {
+  id: string;
+  tenant_id?: string | null;
+  contact_id: string;
+  channel: AddressDistributionChannel;
+  purpose?: string | null;
+  contact_point_id?: string | null;
+  decision: AddressChannelDecision;
+  legal_basis?: string | null;
+  evidence_ref?: string | null;
+  reason?: string | null;
+  preference_rank?: number | null;
+  locale?: string | null;
+  effective_from?: string | null;
+  effective_until?: string | null;
+  metadata: Record<string, unknown>;
+  created_by_account_id?: string | null;
+  created_at: string;
+  updated_at: string;
+};
+
+export type ContactChannelRulePayload = {
+  channel: AddressDistributionChannel;
+  purpose?: string | null;
+  contact_point_id?: string | null;
+  decision: AddressChannelDecision;
+  legal_basis?: string | null;
+  evidence_ref?: string | null;
+  reason?: string | null;
+  preference_rank?: number | null;
+  locale?: string | null;
+  effective_from?: string | null;
+  effective_until?: string | null;
+  metadata?: Record<string, unknown>;
+};
+
 export type AddressBookCreatePayload = {
   scope_type: AddressBookScope;
   group_id?: string | null;
@@ -168,8 +335,12 @@ type AddressListEntryListResponse = {
   entries: AddressListEntry[];
 };
 
-type ContactListResponse = {
+export type ContactListResponse = {
   contacts: Contact[];
+  total: number;
+  offset: number;
+  limit: number;
+  has_more: boolean;
 };
 
 type AddressBookWriteTargetsResponse = {
@@ -183,6 +354,60 @@ export type VCardImportResult = {
   issues: Array<{ index: number; message: string; severity: "warning" | "error"; field?: string | null; line?: number | null }>;
 };
 
+export type VCardBatchPlanItem = {
+  source_key: string;
+  source_filename: string;
+  card_index: number;
+  action: "create" | "update" | "ignore" | "unchanged" | "conflict";
+  allowed_actions: Array<"create" | "update" | "ignore">;
+  contact_id?: string | null;
+  display_name?: string | null;
+  changed_fields: string[];
+  duplicate_suggestions: Array<{ contact_id: string; display_name: string; reasons: string[] }>;
+  message?: string | null;
+};
+
+export type VCardBatchRun = {
+  id: string;
+  address_book_id: string;
+  status: string;
+  input_hash: string;
+  plan_hash: string;
+  parser_version: string;
+  execution_mode: "bounded_sync" | "persisted_batch";
+  file_count: number;
+  card_count: number;
+  statistics: Record<string, number | string>;
+  diagnostics: Array<{
+    severity: "info" | "warning" | "error";
+    code: string;
+    message: string;
+    source_filename?: string | null;
+    card_index?: number | null;
+    field?: string | null;
+    details: Record<string, unknown>;
+  }>;
+  plan: VCardBatchPlanItem[];
+  progress: { total: number; completed: number; created: number; updated: number; ignored: number; failed: number };
+  can_apply: boolean;
+  can_cancel: boolean;
+  commit_hash?: string | null;
+  created_at: string;
+  updated_at: string;
+  applied_at?: string | null;
+};
+
+export type VCardExportResult = {
+  filename: string;
+  media_type: string;
+  scope: "address_book" | "address_list" | "contacts";
+  version: "3.0" | "4.0";
+  ordering: string;
+  contact_count: number;
+  content_hash: string;
+  content: string;
+};
+
 export type AddressSyncSource = {
   id: string;
   tenant_id?: string | null;
@@ -216,6 +441,22 @@ export type AddressCardDavAddressBook = {
   sync_token?: string | null;
 };
 
+export type AddressCredentialEnvelope = {
+  id: string;
+  scope_type: string;
+  scope_id?: string | null;
+  name: string;
+  description?: string | null;
+  credential_kind: string;
+  public_data: Record<string, unknown>;
+  secret_keys: string[];
+  secret_configured: boolean;
+  allowed_modules: string[];
+  inherit_to_lower_scopes: boolean;
+  is_active: boolean;
+  revision: string;
+};
+
 export type AddressSyncPlanStats = {
   created: number;
   updated: number;
@@ -297,6 +538,93 @@ export type AddressSyncConflict = {
   updated_at: string;
 };
 
+export type AddressImportConfiguration = {
+  field_mappings: Record<string, string>;
+  delimiter: "," | ";" | "\t" | "|";
+  encoding: "utf-8" | "utf-8-sig" | "cp1252" | "latin-1";
+  header_row: number;
+  sheet_name?: string | null;
+  source_key_column?: string | null;
+  duplicate_source_key_policy: "reject" | "first" | "last";
+  existing_contact_policy: "update" | "ignore" | "reject";
+  blank_value_policy: "ignore" | "clear" | "reject";
+  ldif_change_record_policy: "reject" | "ignore" | "treat_add_as_entry";
+  locale?: string | null;
+  default_tags: string[];
+  max_rows: number;
+};
+
+export type AddressImportProfile = {
+  id: string;
+  profile_key: string;
+  version: number;
+  tenant_id?: string | null;
+  scope_type: AddressBookScope;
+  scope_id?: string | null;
+  name: string;
+  description?: string | null;
+  source_format: "csv" | "xlsx" | "ldif";
+  configuration: AddressImportConfiguration;
+  is_current: boolean;
+  created_at: string;
+  updated_at: string;
+};
+
+export type AddressImportEffect = {
+  row_number: number;
+  action: "create" | "update" | "conflict" | "unchanged" | "ignored";
+  source_key?: string | null;
+  contact_id?: string | null;
+  display_name?: string | null;
+  changed_fields: string[];
+  message?: string | null;
+};
+
+export type AddressImportDiagnostic = {
+  severity: "info" | "warning" | "error";
+  code: string;
+  message: string;
+  row_number?: number | null;
+  field?: string | null;
+  details: Record<string, unknown>;
+};
+
+export type AddressImportRun = {
+  id: string;
+  address_book_id: string;
+  profile_id: string | null;
+  source_filename: string;
+  source_format: string;
+  input_hash: string;
+  plan_hash: string;
+  status: string;
+  row_count: number;
+  statistics: Record<string, number>;
+  diagnostics: AddressImportDiagnostic[];
+  effects: AddressImportEffect[];
+  can_apply: boolean;
+  result_evidence: Record<string, unknown>;
+  created_at: string;
+  updated_at: string;
+  applied_at?: string | null;
+  rolled_back_at?: string | null;
+};
+
+export type AddressLdapSourcePayload = {
+  url: string;
+  credential_ref?: string | null;
+  bind_dn?: string | null;
+  start_tls: boolean;
+  connect_timeout?: number;
+  receive_timeout?: number;
+  display_name: string;
+  base_dn: string;
+  search_filter: string;
+  page_size: number;
+  max_entries: number;
+  attribute_map: Record<string, string>;
+};
+
 type AddressSyncSourceListResponse = {
   sync_sources: AddressSyncSource[];
 };
@@ -305,6 +633,10 @@ type AddressCardDavDiscoveryResponse = {
   address_books: AddressCardDavAddressBook[];
 };
 
+type AddressCredentialEnvelopeListResponse = {
+  credentials: AddressCredentialEnvelope[];
+};
+
 type AddressSyncDiagnosticListResponse = {
   diagnostics: AddressSyncDiagnostic[];
 };
@@ -317,6 +649,26 @@ type AddressSyncConflictListResponse = {
   conflicts: AddressSyncConflict[];
 };
 
+type AddressImportProfileListResponse = {
+  profiles: AddressImportProfile[];
+};
+
+type AddressLdapDiscoveryResponse = {
+  base_dns: string[];
+};
+
+type ContactChannelRuleListResponse = {
+  rules: ContactChannelRule[];
+};
+
+type ContactPointQualityDecisionListResponse = {
+  decisions: ContactPointQualityDecision[];
+};
+
+type ContactMergeRecordListResponse = {
+  merges: ContactMergeRecord[];
+};
+
 function queryString(params: Record<string, string | number | null | undefined>): string {
   const search = new URLSearchParams();
   for (const [key, value] of Object.entries(params)) {
@@ -450,7 +802,14 @@ export async function listAddressSyncSources(
 
 export function discoverCardDavAddressBooks(
   settings: ApiSettings,
-  payload: { url: string; auth_type: "none" | "basic" | "bearer"; username?: string | null; password?: string | null; bearer_token?: string | null }
+  payload: {
+    url: string;
+    auth_type: "none" | "basic" | "bearer";
+    username?: string | null;
+    password?: string | null;
+    bearer_token?: string | null;
+    credential_ref?: string | null;
+  }
 ): Promise<AddressCardDavAddressBook[]> {
   return apiFetch<AddressCardDavDiscoveryResponse>(settings, "/api/v1/addresses/carddav/discover", {
     method: "POST",
@@ -468,6 +827,7 @@ export function createCardDavSyncSource(
     username?: string | null;
     password?: string | null;
     bearer_token?: string | null;
+    credential_ref?: string | null;
     sync_direction: "read_only" | "import" | "export" | "two_way";
     read_only?: boolean | null;
     sync_token?: string | null;
@@ -481,6 +841,38 @@ export function createCardDavSyncSource(
   });
 }
 
+export function discoverLdapBaseDns(
+  settings: ApiSettings,
+  payload: Pick<AddressLdapSourcePayload, "url" | "credential_ref" | "bind_dn" | "start_tls" | "connect_timeout" | "receive_timeout">
+): Promise<string[]> {
+  return apiFetch<AddressLdapDiscoveryResponse>(settings, "/api/v1/addresses/ldap/discover", {
+    method: "POST",
+    body: JSON.stringify(payload)
+  }).then((response) => response.base_dns);
+}
+
+export function createLdapSyncSource(
+  settings: ApiSettings,
+  addressBookId: string,
+  payload: AddressLdapSourcePayload
+): Promise<AddressSyncSource> {
+  return apiFetch<AddressSyncSource>(settings, `/api/v1/addresses/address-books/${addressBookId}/ldap/sources`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export async function listAddressCredentials(
+  settings: ApiSettings,
+  sourceId?: string | null
+): Promise<AddressCredentialEnvelope[]> {
+  const response = await apiFetch<AddressCredentialEnvelopeListResponse>(
+    settings,
+    `/api/v1/addresses/credentials${queryString({ source_id: sourceId })}`
+  );
+  return response.credentials;
+}
+
 export function updateAddressSyncSource(
   settings: ApiSettings,
   syncSourceId: string,
@@ -549,11 +941,15 @@ export function resolveAddressSyncConflict(
   });
 }
 
-export async function listContacts(settings: ApiSettings, options: {addressBookId?: string | null;query?: string | null;limit?: number;includeDeleted?: boolean;} = {}): Promise<Contact[]> {
+export function listContactsPage(settings: ApiSettings, options: {addressBookId?: string | null;addressListId?: string | null;query?: string | null;limit?: number;offset?: number;includeDeleted?: boolean;} = {}): Promise<ContactListResponse> {
-  const response = await apiFetch<ContactListResponse>(
+  return apiFetch<ContactListResponse>(
     settings,
-    `/api/v1/addresses/contacts${queryString({ address_book_id: options.addressBookId, query: options.query, limit: options.limit, include_deleted: options.includeDeleted ? "true" : null })}`
+    `/api/v1/addresses/contacts${queryString({ address_book_id: options.addressBookId, address_list_id: options.addressListId, query: options.query, limit: options.limit, offset: options.offset, include_deleted: options.includeDeleted ? "true" : null })}`
   );
+}
+
+export async function listContacts(settings: ApiSettings, options: {addressBookId?: string | null;addressListId?: string | null;query?: string | null;limit?: number;offset?: number;includeDeleted?: boolean;} = {}): Promise<Contact[]> {
+  const response = await listContactsPage(settings, options);
   return response.contacts;
 }
 
@@ -579,6 +975,135 @@ export function restoreContact(settings: ApiSettings, contactId: string): Promis
   return apiFetch<Contact>(settings, `/api/v1/addresses/contacts/${contactId}/restore`, { method: "POST" });
 }
 
+export function getAddressQualitySummary(settings: ApiSettings, addressBookId: string): Promise<AddressQualitySummary> {
+  return apiFetch<AddressQualitySummary>(settings, `/api/v1/addresses/address-books/${addressBookId}/quality-summary`);
+}
+
+export function listContactDuplicateSuggestions(
+  settings: ApiSettings,
+  addressBookId: string,
+  options: { contactId?: string | null; minimumScore?: number; limit?: number; scanLimit?: number } = {}
+): Promise<ContactDuplicateSuggestionList> {
+  return apiFetch<ContactDuplicateSuggestionList>(
+    settings,
+    `/api/v1/addresses/address-books/${addressBookId}/duplicate-suggestions${queryString({
+      contact_id: options.contactId,
+      minimum_score: options.minimumScore,
+      limit: options.limit,
+      scan_limit: options.scanLimit
+    })}`
+  );
+}
+
+export async function listContactQualityDecisions(settings: ApiSettings, contactId: string): Promise<ContactPointQualityDecision[]> {
+  const response = await apiFetch<ContactPointQualityDecisionListResponse>(
+    settings,
+    `/api/v1/addresses/contacts/${contactId}/quality-decisions`
+  );
+  return response.decisions;
+}
+
+export function createContactQualityDecision(
+  settings: ApiSettings,
+  contactId: string,
+  payload: {
+    channel: ContactPointQualityDecision["channel"];
+    contact_point_id?: string | null;
+    state: ContactPointQualityState;
+    reason_code?: string | null;
+    reason?: string | null;
+    evidence_ref?: string | null;
+  }
+): Promise<ContactPointQualityDecision> {
+  return apiFetch<ContactPointQualityDecision>(settings, `/api/v1/addresses/contacts/${contactId}/quality-decisions`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function listContactProvenance(
+  settings: ApiSettings,
+  contactId: string,
+  options: { currentOnly?: boolean; limit?: number } = {}
+): Promise<ContactFieldProvenance[]> {
+  return apiFetch<ContactFieldProvenance[]>(
+    settings,
+    `/api/v1/addresses/contacts/${contactId}/provenance${queryString({
+      current_only: options.currentOnly ? "true" : null,
+      limit: options.limit
+    })}`
+  );
+}
+
+export async function listContactMerges(
+  settings: ApiSettings,
+  options: { addressBookId?: string | null; contactId?: string | null; limit?: number } = {}
+): Promise<ContactMergeRecord[]> {
+  const response = await apiFetch<ContactMergeRecordListResponse>(
+    settings,
+    `/api/v1/addresses/contact-merges${queryString({
+      address_book_id: options.addressBookId,
+      contact_id: options.contactId,
+      limit: options.limit
+    })}`
+  );
+  return response.merges;
+}
+
+export function mergeContacts(
+  settings: ApiSettings,
+  payload: {
+    winner_contact_id: string;
+    duplicate_contact_ids: string[];
+    reason: string;
+    field_sources?: Record<string, string>;
+    contact_point_strategy?: "union" | "winner_only";
+    source_precedence?: string[];
+  }
+): Promise<ContactMergeRecord> {
+  return apiFetch<ContactMergeRecord>(settings, "/api/v1/addresses/contact-merges", {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function recoverContactMerge(
+  settings: ApiSettings,
+  merge: ContactMergeRecord,
+  action: "undo" | "split",
+  reason: string
+): Promise<ContactMergeRecord> {
+  return apiFetch<ContactMergeRecord>(settings, `/api/v1/addresses/contact-merges/${merge.id}/${action}`, {
+    method: "POST",
+    body: JSON.stringify({ reason, expected_after_hash: merge.after_hash })
+  });
+}
+
+export async function listContactChannelRules(settings: ApiSettings, contactId: string): Promise<ContactChannelRule[]> {
+  const response = await apiFetch<ContactChannelRuleListResponse>(
+    settings,
+    `/api/v1/addresses/contacts/${contactId}/channel-rules`
+  );
+  return response.rules;
+}
+
+export function createContactChannelRule(
+  settings: ApiSettings,
+  contactId: string,
+  payload: ContactChannelRulePayload
+): Promise<ContactChannelRule> {
+  return apiFetch<ContactChannelRule>(settings, `/api/v1/addresses/contacts/${contactId}/channel-rules`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function endContactChannelRule(settings: ApiSettings, ruleId: string): Promise<ContactChannelRule> {
+  return apiFetch<ContactChannelRule>(settings, `/api/v1/addresses/contact-channel-rules/${ruleId}`, {
+    method: "DELETE"
+  });
+}
+
 export function importAddressBookVcards(settings: ApiSettings, addressBookId: string, content: string): Promise<VCardImportResult> {
   return apiFetch<VCardImportResult>(settings, `/api/v1/addresses/address-books/${addressBookId}/vcards/import`, {
     method: "POST",
@@ -586,10 +1111,129 @@ export function importAddressBookVcards(settings: ApiSettings, addressBookId: st
   });
 }
 
+export function previewVCardBatch(
+  settings: ApiSettings,
+  addressBookId: string,
+  payload: {
+    files: Array<{ filename: string; content_base64: string }>;
+    duplicate_card_policy?: "reject" | "first" | "last";
+    existing_contact_policy?: "update" | "ignore" | "reject";
+  }
+): Promise<VCardBatchRun> {
+  return apiFetch<VCardBatchRun>(settings, `/api/v1/addresses/address-books/${addressBookId}/vcard-batches/preview`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function getVCardBatch(settings: ApiSettings, runId: string): Promise<VCardBatchRun> {
+  return apiFetch<VCardBatchRun>(settings, `/api/v1/addresses/vcard-batches/${encodeURIComponent(runId)}`);
+}
+
+export function applyVCardBatch(
+  settings: ApiSettings,
+  run: VCardBatchRun,
+  selections: Array<{ source_key: string; action: "create" | "update" | "ignore" }>
+): Promise<VCardBatchRun> {
+  return apiFetch<VCardBatchRun>(settings, `/api/v1/addresses/vcard-batches/${encodeURIComponent(run.id)}/apply`, {
+    method: "POST",
+    body: JSON.stringify({ expected_plan_hash: run.plan_hash, selections })
+  });
+}
+
+export function cancelVCardBatch(settings: ApiSettings, run: VCardBatchRun, reason: string): Promise<VCardBatchRun> {
+  return apiFetch<VCardBatchRun>(settings, `/api/v1/addresses/vcard-batches/${encodeURIComponent(run.id)}/cancel`, {
+    method: "POST",
+    body: JSON.stringify({ expected_plan_hash: run.plan_hash, reason })
+  });
+}
+
+export function exportVCardBatchDiagnostics(settings: ApiSettings, runId: string): Promise<string> {
+  return apiFetch<string>(settings, `/api/v1/addresses/vcard-batches/${encodeURIComponent(runId)}/diagnostics`);
+}
+
+export async function listAddressImportProfiles(settings: ApiSettings): Promise<AddressImportProfile[]> {
+  const response = await apiFetch<AddressImportProfileListResponse>(settings, "/api/v1/addresses/import-profiles");
+  return response.profiles;
+}
+
+export function createAddressImportProfile(
+  settings: ApiSettings,
+  payload: {
+    scope_type: AddressBookScope;
+    scope_id?: string | null;
+    name: string;
+    description?: string | null;
+    source_format: "csv" | "xlsx" | "ldif";
+    configuration: AddressImportConfiguration;
+  }
+): Promise<AddressImportProfile> {
+  return apiFetch<AddressImportProfile>(settings, "/api/v1/addresses/import-profiles", {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function updateAddressImportProfile(
+  settings: ApiSettings,
+  profileId: string,
+  payload: { name?: string; description?: string | null; configuration?: AddressImportConfiguration }
+): Promise<AddressImportProfile> {
+  return apiFetch<AddressImportProfile>(settings, `/api/v1/addresses/import-profiles/${profileId}`, {
+    method: "PATCH",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function previewAddressImport(
+  settings: ApiSettings,
+  addressBookId: string,
+  payload: { profile_id: string; filename: string; content_base64: string }
+): Promise<AddressImportRun> {
+  return apiFetch<AddressImportRun>(settings, `/api/v1/addresses/address-books/${addressBookId}/imports/preview`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function getAddressImportRun(settings: ApiSettings, runId: string): Promise<AddressImportRun> {
+  return apiFetch<AddressImportRun>(settings, `/api/v1/addresses/imports/${encodeURIComponent(runId)}`);
+}
+
+export function applyAddressImport(settings: ApiSettings, run: AddressImportRun): Promise<AddressImportRun> {
+  return apiFetch<AddressImportRun>(settings, `/api/v1/addresses/imports/${encodeURIComponent(run.id)}/apply`, {
+    method: "POST",
+    body: JSON.stringify({ expected_plan_hash: run.plan_hash })
+  });
+}
+
+export function rollbackAddressImport(settings: ApiSettings, run: AddressImportRun, reason: string): Promise<AddressImportRun> {
+  return apiFetch<AddressImportRun>(settings, `/api/v1/addresses/imports/${encodeURIComponent(run.id)}/rollback`, {
+    method: "POST",
+    body: JSON.stringify({ expected_plan_hash: run.plan_hash, reason })
+  });
+}
+
 export function exportAddressBookVcards(settings: ApiSettings, addressBookId: string): Promise<string> {
   return apiFetch<string>(settings, `/api/v1/addresses/address-books/${addressBookId}/vcards/export`);
 }
 
+export function exportScopedVcards(
+  settings: ApiSettings,
+  addressBookId: string,
+  payload: {
+    scope: "address_book" | "address_list" | "contacts";
+    address_list_id?: string | null;
+    contact_ids?: string[];
+    version?: "3.0" | "4.0";
+  }
+): Promise<VCardExportResult> {
+  return apiFetch<VCardExportResult>(settings, `/api/v1/addresses/address-books/${addressBookId}/vcards/export`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
 export function exportContactVcard(settings: ApiSettings, contactId: string): Promise<string> {
   return apiFetch<string>(settings, `/api/v1/addresses/contacts/${contactId}/vcard`);
 }

webui/src/features/addressbook/importRunState.ts

@@ -0,0 +1,72 @@
+export type ImportRunLifecycle = {
+  label: string;
+  tone: "info" | "success" | "warning" | "inactive";
+  canApply: boolean;
+  canRollback: boolean;
+  guidance: string;
+};
+
+export function importRunIdFromSearch(search: URLSearchParams): string {
+  return search.get("import_run")?.trim() ?? "";
+}
+
+export function withImportRunSearch(search: URLSearchParams, runId?: string | null): URLSearchParams {
+  const next = new URLSearchParams(search);
+  const normalized = runId?.trim();
+  if (normalized) next.set("import_run", normalized);
+  else next.delete("import_run");
+  return next;
+}
+
+export function importRunLifecycle(status: string): ImportRunLifecycle {
+  if (status === "previewed") {
+    return {
+      label: "Ready for review",
+      tone: "info",
+      canApply: true,
+      canRollback: false,
+      guidance: "Review the persisted effects and diagnostics before applying this plan."
+    };
+  }
+  if (status === "applied") {
+    return {
+      label: "Applied",
+      tone: "success",
+      canApply: false,
+      canRollback: true,
+      guidance: "The plan has already been applied. Rollback remains guarded by its recorded plan hash and contact evidence."
+    };
+  }
+  if (status === "rolled_back") {
+    return {
+      label: "Rolled back",
+      tone: "inactive",
+      canApply: false,
+      canRollback: false,
+      guidance: "This run was rolled back and cannot be applied again. Create a new preview to import the source again."
+    };
+  }
+  if (status === "expired") {
+    return {
+      label: "Expired",
+      tone: "warning",
+      canApply: false,
+      canRollback: false,
+      guidance: "This preview is no longer actionable. Create a new preview from the original source."
+    };
+  }
+  return {
+    label: status || "Unavailable",
+    tone: "warning",
+    canApply: false,
+    canRollback: false,
+    guidance: "This run is not actionable in its current lifecycle state."
+  };
+}
+
+export function unavailableImportRunMessage(status?: number): string {
+  if (status === 404 || status === 410) {
+    return "This import run is missing, expired, or not available to your tenant. No source data was loaded.";
+  }
+  return "The persisted import run could not be loaded. Reload it after the service becomes available.";
+}

webui/src/features/addressbook/interfacePatterns.ts

@@ -0,0 +1,26 @@
+import type { DocumentationHelpReference } from "@govoplan/core-webui";
+
+export const ADDRESSES_DOCUMENTATION = {
+  topicId: "addresses.boundary",
+  documentationType: "user"
+} satisfies DocumentationHelpReference;
+
+export const ADDRESS_FIELDS_DOCUMENTATION = {
+  topicId: "addresses.reference.fields-and-consequences",
+  documentationType: "admin"
+} satisfies DocumentationHelpReference;
+
+export const ADDRESS_GOVERNANCE_DOCUMENTATION = {
+  topicId: "addresses.contact-point-resolution",
+  documentationType: "admin"
+} satisfies DocumentationHelpReference;
+
+export const ADDRESSES_I18N = {
+  requiredAction: "i18n:govoplan-addresses.required_action",
+  actor: "i18n:govoplan-addresses.actor",
+  destination: "i18n:govoplan-addresses.destination",
+  permissionDetails: "i18n:govoplan-addresses.permission_details",
+  permissionAction: "i18n:govoplan-addresses.permission_action",
+  permissionActor: "i18n:govoplan-addresses.permission_actor",
+  permissionDestination: "i18n:govoplan-addresses.permission_destination"
+} as const;

webui/src/i18n/generatedTranslations.ts

@@ -45,7 +45,47 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-addresses.tenant_directory_and_approved_shared_contacts.fa671f1b": "Tenant directory and approved shared contacts.",
     "i18n:govoplan-addresses.tenant_wide_contacts_functional_mailboxes_and_ap.c437a8b9": "Tenant-wide contacts, functional mailboxes, and approved shared entries.",
     "i18n:govoplan-addresses.use_contacts_in_to_cc_bcc_sender_and_reply_to_fi.79f3ea6a": "Use contacts in To, Cc, Bcc, sender, and reply-to fields.",
-    "i18n:govoplan-addresses.used_recently.af75cea7": "Used recently"
+    "i18n:govoplan-addresses.used_recently.af75cea7": "Used recently",
+    "i18n:govoplan-addresses.sources": "Address sources",
+    "i18n:govoplan-addresses.contact_detail": "Contact detail",
+    "i18n:govoplan-addresses.communication_governance": "Communication governance",
+    "i18n:govoplan-addresses.required_action": "Required action",
+    "i18n:govoplan-addresses.actor": "Responsible actor",
+    "i18n:govoplan-addresses.destination": "Where to continue",
+    "i18n:govoplan-addresses.permission_details": "Your account can inspect Addresses but cannot create or change address books, lists, or contacts.",
+    "i18n:govoplan-addresses.permission_action": "Ask for the address-book, list, or contact permission needed for the intended task.",
+    "i18n:govoplan-addresses.permission_actor": "A tenant administrator or owner of the address-book scope",
+    "i18n:govoplan-addresses.permission_destination": "Access administration for the current tenant or group",
+    "i18n:govoplan-addresses.unsaved_book_title": "Unsaved address book",
+    "i18n:govoplan-addresses.unsaved_list_title": "Unsaved address list",
+    "i18n:govoplan-addresses.unsaved_contact_title": "Unsaved contact",
+    "i18n:govoplan-addresses.unsaved_message": "Save or discard this draft before leaving the editor.",
+    "Addresses are read-only": "Addresses are read-only",
+    "Address books": "Address books",
+    "Address sources": "Address sources",
+    "Contact detail": "Contact detail",
+    "Show archived": "Show archived",
+    "Search contacts": "Search contacts",
+    "No address books found.": "No address books found.",
+    "No contact selected": "No contact selected",
+    "Add address book": "Add address book",
+    "Edit address book": "Edit address book",
+    "Add address list": "Add address list",
+    "Edit address list": "Edit address list",
+    "Add contact": "Add contact",
+    "Edit contact": "Edit contact",
+    "Communication governance": "Communication governance",
+    "Display name": "Display name",
+    "Given name": "Given name",
+    "Family name": "Family name",
+    "Organization": "Organization",
+    "Role title": "Role title",
+    "Email addresses": "Email addresses",
+    "Phone numbers": "Phone numbers",
+    "Postal addresses": "Postal addresses",
+    "Primary": "Primary",
+    "Description": "Description",
+    "Note": "Note"
   },
   de: {
     "i18n:govoplan-addresses.add_contact.6da0b4b8": "Kontakt hinzufügen",
@@ -91,6 +131,46 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-addresses.tenant_directory_and_approved_shared_contacts.fa671f1b": "Mandantenverzeichnis und freigegebene geteilte Kontakte.",
     "i18n:govoplan-addresses.tenant_wide_contacts_functional_mailboxes_and_ap.c437a8b9": "Mandantenweite Kontakte, Funktionspostfächer und freigegebene Einträge.",
     "i18n:govoplan-addresses.use_contacts_in_to_cc_bcc_sender_and_reply_to_fi.79f3ea6a": "Kontakte in An-, Cc-, Bcc-, Absender- und Antwortfeldern verwenden.",
-    "i18n:govoplan-addresses.used_recently.af75cea7": "Kürzlich verwendet"
+    "i18n:govoplan-addresses.used_recently.af75cea7": "Kürzlich verwendet",
+    "i18n:govoplan-addresses.sources": "Adressquellen",
+    "i18n:govoplan-addresses.contact_detail": "Kontaktdetails",
+    "i18n:govoplan-addresses.communication_governance": "Kommunikationssteuerung",
+    "i18n:govoplan-addresses.required_action": "Erforderliche Aktion",
+    "i18n:govoplan-addresses.actor": "Verantwortliche Stelle",
+    "i18n:govoplan-addresses.destination": "Fortsetzung",
+    "i18n:govoplan-addresses.permission_details": "Ihr Konto darf Adressen einsehen, aber keine Adressbücher, Listen oder Kontakte erstellen oder ändern.",
+    "i18n:govoplan-addresses.permission_action": "Fordern Sie die für die Aufgabe erforderliche Adressbuch-, Listen- oder Kontaktberechtigung an.",
+    "i18n:govoplan-addresses.permission_actor": "Mandantenadministration oder Eigentümer des Adressbuchbereichs",
+    "i18n:govoplan-addresses.permission_destination": "Zugriffsverwaltung des aktuellen Mandanten oder der Gruppe",
+    "i18n:govoplan-addresses.unsaved_book_title": "Ungespeichertes Adressbuch",
+    "i18n:govoplan-addresses.unsaved_list_title": "Ungespeicherte Adressliste",
+    "i18n:govoplan-addresses.unsaved_contact_title": "Ungespeicherter Kontakt",
+    "i18n:govoplan-addresses.unsaved_message": "Speichern oder verwerfen Sie diesen Entwurf, bevor Sie den Editor verlassen.",
+    "Addresses are read-only": "Adressen sind schreibgeschützt",
+    "Address books": "Adressbücher",
+    "Address sources": "Adressquellen",
+    "Contact detail": "Kontaktdetails",
+    "Show archived": "Archivierte anzeigen",
+    "Search contacts": "Kontakte suchen",
+    "No address books found.": "Keine Adressbücher gefunden.",
+    "No contact selected": "Kein Kontakt ausgewählt",
+    "Add address book": "Adressbuch hinzufügen",
+    "Edit address book": "Adressbuch bearbeiten",
+    "Add address list": "Adressliste hinzufügen",
+    "Edit address list": "Adressliste bearbeiten",
+    "Add contact": "Kontakt hinzufügen",
+    "Edit contact": "Kontakt bearbeiten",
+    "Communication governance": "Kommunikationssteuerung",
+    "Display name": "Anzeigename",
+    "Given name": "Vorname",
+    "Family name": "Nachname",
+    "Organization": "Organisation",
+    "Role title": "Funktionsbezeichnung",
+    "Email addresses": "E-Mail-Adressen",
+    "Phone numbers": "Telefonnummern",
+    "Postal addresses": "Postanschriften",
+    "Primary": "Primär",
+    "Description": "Beschreibung",
+    "Note": "Notiz"
   }
 };

webui/src/module.ts

@@ -17,8 +17,16 @@ export const addressesModule: PlatformWebModule = {
   dependencies: [],
   optionalDependencies: ["campaigns", "mail", "forms", "reporting", "portal", "postbox"],
   translations,
+  viewSurfaces: [
+    { id: "addresses.page", moduleId: "addresses", kind: "route", label: "i18n:govoplan-addresses.address_book.f6327f59", order: 80 },
+    { id: "addresses.sources", moduleId: "addresses", kind: "section", label: "i18n:govoplan-addresses.sources", parentId: "addresses.page", order: 10 },
+    { id: "addresses.contacts", moduleId: "addresses", kind: "section", label: "i18n:govoplan-addresses.contacts.b0dd615c", parentId: "addresses.page", order: 20 },
+    { id: "addresses.detail", moduleId: "addresses", kind: "section", label: "i18n:govoplan-addresses.contact_detail", parentId: "addresses.page", order: 30 },
+    { id: "addresses.governance", moduleId: "addresses", kind: "action", label: "i18n:govoplan-addresses.communication_governance", parentId: "addresses.detail", order: 40 },
+    { id: "addresses.sync", moduleId: "addresses", kind: "action", label: "i18n:govoplan-addresses.sync.905f6309", parentId: "addresses.sources", order: 50 }
+  ],
   navItems: [{ to: "/address-book", label: "i18n:govoplan-addresses.address_book.f6327f59", iconName: "book-user", anyOf: ["addresses:contact:read"], order: 80 }],
-  routes: [{ path: "/address-book", anyOf: ["addresses:contact:read"], order: 80, render: ({ settings, auth, onAuthChange }) => createElement(AddressBookPage, { settings, auth, onAuthChange }) }]
+  routes: [{ path: "/address-book", anyOf: ["addresses:contact:read"], order: 80, surfaceId: "addresses.page", render: ({ settings, auth, onAuthChange }) => createElement(AddressBookPage, { settings, auth, onAuthChange }) }]
 };
 
 export default addressesModule;

webui/src/styles/addresses.css

@@ -9,7 +9,7 @@
   justify-content: space-between;
   gap: 16px;
   border: var(--border-line);
-  border-radius: 6px;
+  border-radius: var(--radius-compact);
   background: var(--panel-soft);
   padding: 14px;
 }
@@ -150,6 +150,75 @@
   width: min(960px, calc(100vw - 36px));
 }
 
+.address-import-dialog {
+  max-width: min(1080px, calc(100vw - 36px));
+  width: min(1080px, calc(100vw - 36px));
+}
+
+.address-import-workspace,
+.address-import-profile-editor,
+.address-import-preview {
+  display: grid;
+  gap: 14px;
+  min-height: 0;
+}
+
+.address-import-run-state {
+  align-items: center;
+  background: var(--panel-soft);
+  border: var(--border-line);
+  border-radius: var(--radius-compact);
+  display: grid;
+  gap: 10px 14px;
+  grid-template-columns: minmax(180px, 1fr) auto minmax(220px, 1.4fr) auto;
+  padding: 10px 12px;
+}
+
+.address-import-run-state p {
+  margin: 0;
+}
+
+.address-import-profile-actions {
+  align-items: end;
+  justify-content: flex-start;
+  padding-bottom: 1px;
+}
+
+.address-import-mapping-grid {
+  display: grid;
+  gap: 10px 14px;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  max-height: min(42vh, 440px);
+  overflow: auto;
+  padding-right: 4px;
+}
+
+.address-import-preview > .address-sync-plan-grid {
+  border: 0;
+  gap: 8px;
+  grid-template-columns: repeat(6, minmax(0, 1fr));
+  max-height: none;
+  overflow: visible;
+}
+
+.address-import-preview > .address-sync-plan-grid > div {
+  background: var(--panel-soft);
+  border: var(--border-line);
+  border-radius: var(--radius-compact);
+  display: grid;
+  gap: 2px;
+  padding: 9px 10px;
+}
+
+.address-import-preview > .address-sync-plan-grid strong {
+  font-size: 1.05rem;
+}
+
+.address-import-preview > .address-sync-plan-grid small {
+  color: var(--muted);
+  text-transform: capitalize;
+}
+
 .address-sync-record-list,
 .address-sync-plan-grid {
   display: grid;
@@ -308,6 +377,11 @@
   align-content: start;
 }
 
+.address-contact-pagination {
+  border-top: var(--border-line);
+  flex: 0 0 auto;
+}
+
 .address-contact-selection-list {
   gap: 2px;
 }
@@ -347,7 +421,7 @@
 .address-tag {
   background: var(--panel-soft);
   border: var(--border-line);
-  border-radius: 999px;
+  border-radius: var(--radius-pill);
   color: var(--muted);
   display: inline-flex;
   font-size: 0.75rem;
@@ -415,6 +489,23 @@
   overflow-wrap: anywhere;
 }
 
+.address-contact-point-value {
+  align-items: center;
+  display: grid;
+  gap: 4px 8px;
+  grid-template-columns: minmax(0, 1fr) auto auto;
+}
+
+.address-contact-point-value > small {
+  color: var(--muted);
+  grid-column: 1 / -1;
+}
+
+.address-contact-point-value .btn {
+  min-height: 28px;
+  padding: 4px 8px;
+}
+
 .address-membership-row {
   align-items: center;
   display: flex;
@@ -477,7 +568,7 @@
 
 .address-member-candidate-list {
   border: var(--border-line);
-  border-radius: 6px;
+  border-radius: var(--radius-compact);
   display: grid;
   max-height: min(460px, calc(100vh - 300px));
   overflow: auto;
@@ -510,9 +601,19 @@
   min-height: 280px;
 }
 
+@media (max-width: 760px) {
+  .address-import-mapping-grid {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .address-import-preview > .address-sync-plan-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
 .address-form-section {
   border: var(--border-line);
-  border-radius: 6px;
+  border-radius: var(--radius-compact);
   display: grid;
   gap: 10px;
   padding: 12px;
@@ -534,6 +635,149 @@
   gap: 8px;
 }
 
+.address-governance-dialog .dialog-panel {
+  width: min(980px, calc(100vw - 32px));
+}
+
+.dialog-panel.address-quality-dialog,
+.address-quality-dialog .dialog-panel {
+  width: min(1120px, calc(100vw - 32px));
+}
+
+.address-quality-layout {
+  display: grid;
+  gap: 18px;
+  max-height: min(720px, calc(100vh - 210px));
+  overflow: auto;
+  padding-right: 2px;
+}
+
+.address-provenance-layout {
+  display: grid;
+  gap: 12px;
+}
+
+.address-provenance-list {
+  max-height: min(620px, calc(100vh - 300px));
+}
+
+.address-provenance-value {
+  overflow-wrap: anywhere;
+  white-space: pre-wrap;
+}
+
+.address-quality-empty {
+  padding: 10px 12px;
+}
+
+.address-merge-field-sources select {
+  min-width: 0;
+  text-overflow: ellipsis;
+}
+
+.address-quality-metrics {
+  margin-top: 0;
+}
+
+.address-quality-section,
+.address-quality-list,
+.address-quality-row-main {
+  display: grid;
+  gap: 8px;
+}
+
+.address-quality-section {
+  border-top: var(--border-line);
+  padding-top: 14px;
+}
+
+.address-quality-list {
+  border: var(--border-line);
+  border-radius: var(--radius-compact);
+  max-height: 300px;
+  overflow: auto;
+}
+
+.address-quality-row {
+  align-items: center;
+  background: transparent;
+  border: 0;
+  border-bottom: var(--border-line);
+  color: inherit;
+  display: grid;
+  font: inherit;
+  gap: 12px;
+  grid-template-columns: minmax(0, 1fr) auto;
+  padding: 10px 12px;
+  text-align: left;
+  width: 100%;
+}
+
+.address-quality-row:last-child {
+  border-bottom: 0;
+}
+
+.address-quality-row-button {
+  cursor: pointer;
+  grid-template-columns: minmax(0, 1fr);
+}
+
+.address-quality-row-button:hover {
+  background: var(--panel-soft);
+}
+
+.address-quality-row-heading {
+  align-items: center;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+}
+
+.address-quality-row-main small {
+  color: var(--muted);
+}
+
+.address-governance-layout,
+.address-governance-list {
+  display: grid;
+  gap: 12px;
+}
+
+.address-governance-list {
+  max-height: 260px;
+  overflow: auto;
+}
+
+.address-governance-rule {
+  align-items: center;
+  border-bottom: var(--border-line);
+  display: grid;
+  gap: 12px;
+  grid-template-columns: minmax(0, 1fr) auto;
+  padding: 8px 0;
+}
+
+.address-governance-rule:last-child {
+  border-bottom: 0;
+}
+
+.address-governance-rule-main,
+.address-governance-rule-heading {
+  display: flex;
+  gap: 6px;
+}
+
+.address-governance-rule-main {
+  align-items: flex-start;
+  flex-direction: column;
+  min-width: 0;
+}
+
+.address-governance-rule-heading {
+  align-items: center;
+  flex-wrap: wrap;
+}
+
 .address-form-row-email,
 .address-form-row-phone {
   grid-template-columns: 92px minmax(88px, 0.3fr) minmax(220px, 1fr) 34px;
@@ -580,11 +824,21 @@
   opacity: 0.72;
 }
 
-@media (max-width: 980px) {
+@media (max-width: 1100px) {
   .address-book-workspace,
+  .address-import-run-state,
   .address-form-row-email,
   .address-form-row-phone,
   .address-form-row-postal {
     grid-template-columns: 1fr;
   }
+
+  .address-quality-row,
+  .address-contact-point-value {
+    grid-template-columns: 1fr;
+  }
+
+  .address-contact-point-value > small {
+    grid-column: auto;
+  }
 }

webui/tests/import-run-state.test.ts

@@ -0,0 +1,22 @@
+import assert from "node:assert/strict";
+import {
+  importRunIdFromSearch,
+  importRunLifecycle,
+  unavailableImportRunMessage,
+  withImportRunSearch
+} from "../src/features/addressbook/importRunState";
+
+const initial = new URLSearchParams("q=Ada&import_run=run-123");
+assert.equal(importRunIdFromSearch(initial), "run-123");
+assert.equal(withImportRunSearch(initial, "run-456").toString(), "q=Ada&import_run=run-456");
+assert.equal(withImportRunSearch(initial, null).toString(), "q=Ada");
+
+assert.equal(importRunLifecycle("previewed").canApply, true);
+assert.equal(importRunLifecycle("previewed").canRollback, false);
+assert.equal(importRunLifecycle("applied").canApply, false);
+assert.equal(importRunLifecycle("applied").canRollback, true);
+assert.equal(importRunLifecycle("rolled_back").canRollback, false);
+assert.equal(importRunLifecycle("expired").label, "Expired");
+assert.match(unavailableImportRunMessage(404), /missing, expired, or not available to your tenant/);
+
+console.log("Address import-run deep-link and lifecycle state tests passed.");

webui/tsconfig.import-run-tests.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "target": "ES2022",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "typeRoots": ["../../govoplan-core/webui/node_modules/@types"],
+    "types": ["node"],
+    "outDir": ".import-run-test-build"
+  },
+  "include": [
+    "src/features/addressbook/importRunState.ts",
+    "tests/import-run-state.test.ts"
+  ]
+}