Add trusted public module catalog installs

docs/DEPLOYMENT_OPERATOR_GUIDE.md

@@ -278,12 +278,15 @@ through the same trusted address range.
 | --- | --- |
 | `GOVOPLAN_MODULE_PACKAGE_CATALOG_URL` or `GOVOPLAN_MODULE_PACKAGE_CATALOG` | Module package catalog source. |
 | `GOVOPLAN_MODULE_PACKAGE_CATALOG_TRUSTED_KEYS_FILE` | Preferred production keyring path. |
-| `GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL` | Approved catalog channel, for example `stable`. |
+| `GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS` | Comma-separated approved catalog channels, for example `stable`. The legacy singular name remains readable during migration. |
 | `GOVOPLAN_LICENSE_TRUSTED_KEYS_FILE` | Trusted license issuer keyring path. |
 | `GOVOPLAN_LICENSE_ENFORCEMENT` | Enables license enforcement when set to `true`. |
 
 Trust roots are deployment-managed and should not be editable through the
-running WebUI.
+running WebUI. When no catalog override is configured, the Admin package
+directory uses GovOPlaN's public stable catalog and the trust anchor bundled
+with the installed Core release. Production operators may still pin a newer or
+institution-specific catalog/keyring explicitly with the settings above.
 
 ### Mail Test Credentials
 

docs/MODULE_ARCHITECTURE.md

@@ -1476,6 +1476,10 @@ The installer preflight is intentionally conservative:
 - the `shared` state profile blocks in-place package mutation; clustered
   installations must roll one verified immutable module composition across all
   replicas;
+- official runtime images carry the full verified package profile, while the
+  desired module graph controls activation and tenant/View/Policy contracts
+  control availability and presentation; package lifecycle must not be reused
+  as a tenant or user visibility switch;
 - installed module manifests must be compatible with the supported manifest
   contract and current core version;
 - uninstalling `tenancy`, `access`, or `admin` is blocked;

docs/RELEASE_DEPENDENCIES.md

@@ -197,6 +197,13 @@ If both file and URL are set, the URL wins. The cache is used when a remote
 fetch fails, so an operator can still inspect the last known catalog. A cached
 catalog must still pass signature, freshness, channel, and replay validation.
 
+If neither source is configured, the Admin package directory discovers the
+official public stable catalog at
+`https://govoplan.add-ideas.de/catalogs/v1/channels/stable.json`. Core verifies
+that fallback against the public key pinned in the installed Core package. An
+explicit deployment catalog always takes precedence; a configured source that
+is unavailable or invalid fails closed instead of silently falling back.
+
 An official catalog is a JSON object with:
 
 - `catalog_version`
@@ -212,6 +219,8 @@ Each module entry can declare:
 
 - backend package name and pinned install reference
 - WebUI package name and pinned install reference
+- `artifact_integrity` for each package, including the HTTPS registry URL,
+  filename, byte size, SHA-256, package identity, source tag, and source commit
 - display metadata and tags
 - `license_features`, the feature entitlements required to plan that install
 - `dependencies` and `optional_dependencies`, the module ids expected in the
@@ -302,6 +311,12 @@ Catalog provenance changes preflight severity:
   plans, so operators can still use offline or emergency package refs
 - valid-catalog warnings, such as intentionally unsigned local catalogs when
   signature enforcement is disabled, remain warnings
+- a saved catalog plan must match the currently validated entry exactly;
+  altered package refs, artifact identities, channel, sequence, trust state, or
+  signing-key identity block the run and require replanning
+- a trusted remote artifact is downloaded before mutation into a private
+  SHA-256-addressed installer cache, checked for exact size and digest, and
+  passed to `pip` or npm only as that verified local file
 - selected catalog entries with unsatisfied non-optional named interface ranges
   block activation before the installer runs
 - selected catalog entries whose target dependencies are neither installed nor
@@ -519,6 +534,11 @@ Catalog entries can require license features:
 Core checks those requirements against an offline license file before allowing
 the entry into the install plan.
 
+Official open-source GovOPlaN entries do not declare license features. The
+license contract remains generic for external catalogs, deployment presets,
+configuration/package directories, and support offerings; it gates only an
+entry that explicitly asks for a feature.
+
 ```bash
 GOVOPLAN_LICENSE_FILE=/srv/govoplan/license.json
 GOVOPLAN_LICENSE_ENFORCEMENT=true

pyproject.toml

@@ -26,7 +26,7 @@ dependencies = [
 where = ["src"]
 
 [tool.setuptools.package-data]
-govoplan_core = ["py.typed"]
+govoplan_core = ["py.typed", "resources/*.json"]
 
 [tool.setuptools.data-files]
 "govoplan_core_runtime" = ["alembic.ini"]

src/govoplan_core/core/install_config.py

@@ -698,12 +698,15 @@ def _validate_module_catalog_trust(
             "A module catalog source is configured without a trusted keyring file.",
             "Pin the published GovOPlaN catalog keyring locally and set GOVOPLAN_MODULE_PACKAGE_CATALOG_TRUSTED_KEYS_FILE.",
         )
-    if not _clean(env.get("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL")):
+    if not (
+        _clean(env.get("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS"))
+        or _clean(env.get("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL"))
+    ):
         collector.add(
             "error",
-            "GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL",
+            "GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS",
             "A module catalog source is configured without an approved release channel.",
-            "Set GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL=stable or another approved deployment channel.",
+            "Set GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS=stable or another approved deployment channel.",
         )
 
 
@@ -777,7 +780,7 @@ DEV_MAILBOX_API_ENABLED=false
 
 GOVOPLAN_MODULE_PACKAGE_CATALOG_URL=https://govoplan.add-ideas.de/catalogs/v1/channels/stable.json
 GOVOPLAN_MODULE_PACKAGE_CATALOG_TRUSTED_KEYS_FILE=/etc/govoplan/catalog-keyring.json
-GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL=stable
+GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS=stable
 """
 
 

src/govoplan_core/core/module_installer.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 from collections import defaultdict
 from collections.abc import Iterable, Mapping
 from contextlib import AbstractContextManager, closing
-from dataclasses import dataclass, field
+from dataclasses import dataclass, field, replace
 from datetime import UTC, datetime
 from importlib import metadata
 import hashlib
@@ -18,6 +18,7 @@ import sqlite3
 import stat
 import subprocess  # nosec B404 - installer commands are structured and policy-validated before execution.
 import sys
+import tempfile
 import tomllib
 from typing import Any, Literal
 import time
@@ -62,6 +63,7 @@ MIGRATION_TASK_PHASES = (
 MIGRATION_TASK_MUTATING_PHASES = {"pre_migration_prepare", "post_migration_backfill"}
 MIGRATION_TASK_REVIEW_SAFETY = {"requires_review", "forward_only", "destructive"}
 MIGRATION_TASK_BLOCKING_SAFETY = {"forward_only", "destructive"}
+MAX_PACKAGE_ARTIFACT_BYTES = 512 * 1024 * 1024
 
 
 @dataclass(frozen=True, slots=True)
@@ -464,14 +466,20 @@ def _package_target_action_preflight_issues(
             "Python installs must include the distribution package name so rollback can uninstall newly added packages.",
             item.module_id,
         ))
-    if item.python_ref and not _looks_pinned_dependency_ref(item.python_ref):
+    if item.python_ref and not (
+        _looks_pinned_dependency_ref(item.python_ref)
+        or _artifact_ref_is_digest_pinned(item, "python", item.python_ref)
+    ):
         issues.append(ModuleInstallerIssue(
             "blocker",
             "unpinned_python_ref",
             "Python install refs must be pinned to an exact version or tagged git ref.",
             item.module_id,
         ))
-    if item.webui_ref and not _looks_pinned_dependency_ref(item.webui_ref):
+    if item.webui_ref and not (
+        _looks_pinned_dependency_ref(item.webui_ref)
+        or _artifact_ref_is_digest_pinned(item, "webui", item.webui_ref)
+    ):
         issues.append(ModuleInstallerIssue(
             "blocker",
             "unpinned_webui_ref",
@@ -481,6 +489,23 @@ def _package_target_action_preflight_issues(
     return tuple(issues)
 
 
+def _artifact_ref_is_digest_pinned(
+    item: ModuleInstallPlanItem,
+    kind: str,
+    package_ref: str,
+) -> bool:
+    metadata = _artifact_metadata(item.artifact_integrity, kind)
+    if metadata is None:
+        return False
+    expected_ref = _artifact_text(metadata, "ref") or _artifact_text(metadata, "expected_ref")
+    sha256 = _artifact_text(metadata, "sha256")
+    return bool(
+        expected_ref == package_ref
+        and sha256
+        and re.fullmatch(r"[0-9a-f]{64}", sha256.lower())
+    )
+
+
 def _frontend_rebuild_preflight_issues(
     *,
     frontend_rebuild_required: bool,
@@ -519,6 +544,7 @@ def run_module_install_plan(
 ) -> ModuleInstallerRunResult:
     maintenance_mode = saved_maintenance_mode(session)
     effective_runtime_dir = runtime_dir or default_installer_runtime_dir(database_url)
+    effective_plan = plan
     preflight = module_install_preflight(
         plan=plan,
         available=available,
@@ -532,9 +558,30 @@ def run_module_install_plan(
     if not preflight.allowed:
         raise ModuleInstallerError("Install preflight is blocked: " + "; ".join(issue.message for issue in preflight.issues if issue.severity == "blocker"))
 
+    if not dry_run:
+        effective_plan = acquire_catalog_package_artifacts(
+            plan,
+            runtime_dir=effective_runtime_dir,
+        )
+        preflight = module_install_preflight(
+            plan=effective_plan,
+            available=available,
+            current_enabled=current_enabled,
+            desired_enabled=desired_enabled,
+            maintenance_mode=maintenance_mode.enabled,
+            session=session,
+            webui_root=webui_root,
+            runtime_dir=effective_runtime_dir,
+        )
+        if not preflight.allowed:
+            raise ModuleInstallerError(
+                "Install preflight is blocked after artifact acquisition: "
+                + "; ".join(issue.message for issue in preflight.issues if issue.severity == "blocker")
+            )
+
     state = _prepare_module_install_run(
         session=session,
-        plan=plan,
+        plan=effective_plan,
         preflight=preflight,
         database_url=database_url,
         effective_runtime_dir=effective_runtime_dir,
@@ -556,7 +603,7 @@ def run_module_install_plan(
 
     executed, failed_error = _execute_module_install_run(
         session=session,
-        plan=plan,
+        plan=effective_plan,
         available=available,
         effective_runtime_dir=effective_runtime_dir,
         state=state,
@@ -566,7 +613,7 @@ def run_module_install_plan(
         return _failed_module_install_run_result(
             session=session,
             state=state,
-            plan=plan,
+            plan=effective_plan,
             executed=executed,
             failed_error=failed_error,
             effective_runtime_dir=effective_runtime_dir,
@@ -578,7 +625,7 @@ def run_module_install_plan(
 
     return _applied_module_install_run_result(
         session=session,
-        plan=plan,
+        plan=effective_plan,
         desired_enabled=desired_enabled,
         activate_installed_modules=activate_installed_modules,
         remove_uninstalled_modules_from_desired=remove_uninstalled_modules_from_desired,
@@ -1568,9 +1615,11 @@ def _structured_item_commands(
     webui_changed = False
     if item.action in PACKAGE_TARGET_ACTIONS:
         if item.python_ref:
-            commands.append(_structured_command([sys.executable, "-m", "pip", "install", item.python_ref], source="module-plan.python"))
+            python_source = _verified_artifact_install_ref(item, "python") or item.python_ref
+            commands.append(_structured_command([sys.executable, "-m", "pip", "install", python_source], source="module-plan.python"))
         if item.webui_package and item.webui_ref and webui_root is not None:
-            commands.append(_structured_command([npm_bin, "pkg", "set", f"dependencies.{item.webui_package}={item.webui_ref}"], cwd=webui_root, source="module-plan.webui"))
+            webui_source = _verified_artifact_install_ref(item, "webui") or item.webui_ref
+            commands.append(_structured_command([npm_bin, "pkg", "set", f"dependencies.{item.webui_package}={webui_source}"], cwd=webui_root, source="module-plan.webui"))
             webui_changed = True
     elif item.action == "uninstall":
         if item.python_package:
@@ -1581,6 +1630,14 @@ def _structured_item_commands(
     return tuple(commands), webui_changed
 
 
+def _verified_artifact_install_ref(item: ModuleInstallPlanItem, kind: str) -> str | None:
+    metadata = _artifact_metadata(item.artifact_integrity, kind)
+    path = _artifact_path(metadata) if metadata is not None else None
+    if path is None:
+        return None
+    return path.as_uri() if kind == "webui" else str(path)
+
+
 def _structured_webui_followup_commands(
     *,
     webui_changed: bool,
@@ -1932,9 +1989,7 @@ def _package_catalog_preflight_issues(
         return ()
     catalog_items = tuple(item for item in package_items if item.source == "catalog")
     try:
-        from govoplan_core.core.module_package_catalog import validate_module_package_catalog
-
-        result = validate_module_package_catalog()
+        result = _validate_catalog_for_plan(catalog_items)
     except Exception as exc:
         return _catalog_validation_exception_issues(exc, catalog_items=bool(catalog_items))
     issues = list(_catalog_validation_result_issues(result, catalog_items=bool(catalog_items)))
@@ -1942,10 +1997,33 @@ def _package_catalog_preflight_issues(
         return tuple(issues)
     issues.extend(_catalog_warning_issues(result))
     if catalog_items:
+        issues.extend(_catalog_plan_binding_issues(catalog_items, result))
         issues.extend(_selected_catalog_interface_issues(catalog_items, result, available))
     return tuple(issues)
 
 
+def _validate_catalog_for_plan(
+    catalog_items: tuple[ModuleInstallPlanItem, ...],
+) -> dict[str, object]:
+    from govoplan_core.core.module_package_catalog import (
+        OFFICIAL_MODULE_PACKAGE_CATALOG_URL,
+        validate_module_package_catalog,
+        validate_official_module_package_catalog,
+    )
+
+    configured = validate_module_package_catalog()
+    if configured.get("configured") or not catalog_items:
+        return configured
+    sources = {
+        str(item.catalog.get("source") or "")
+        for item in catalog_items
+        if isinstance(item.catalog, Mapping)
+    }
+    if sources == {OFFICIAL_MODULE_PACKAGE_CATALOG_URL}:
+        return validate_official_module_package_catalog()
+    return configured
+
+
 def _catalog_validation_exception_issues(exc: Exception, *, catalog_items: bool) -> tuple[ModuleInstallerIssue, ...]:
     severity: IssueSeverity = "blocker" if catalog_items else "warning"
     return (ModuleInstallerIssue(
@@ -1985,6 +2063,97 @@ def _catalog_warning_issues(result: Mapping[str, object]) -> tuple[ModuleInstall
     return tuple(ModuleInstallerIssue("warning", "catalog_warning", str(warning)) for warning in warnings)
 
 
+def _catalog_plan_binding_issues(
+    items: tuple[ModuleInstallPlanItem, ...],
+    validation: Mapping[str, object],
+) -> tuple[ModuleInstallerIssue, ...]:
+    """Require every trusted plan row to match its signed catalog entry exactly."""
+
+    modules = _catalog_modules_by_id(validation)
+    issues: list[ModuleInstallerIssue] = []
+    for item in items:
+        entry = modules.get(item.module_id)
+        if entry is None or entry.get("action") not in PACKAGE_TARGET_ACTIONS:
+            issues.append(ModuleInstallerIssue(
+                "blocker",
+                "catalog_plan_entry_missing",
+                f"The validated catalog no longer contains an install or update entry for {item.module_id!r}.",
+                item.module_id,
+            ))
+            continue
+        mismatches = _catalog_plan_entry_mismatches(item, entry, validation)
+        if mismatches:
+            issues.append(ModuleInstallerIssue(
+                "blocker",
+                "catalog_plan_binding_mismatch",
+                (
+                    "The saved package plan differs from its validated signed catalog entry "
+                    f"for: {', '.join(mismatches)}. Remove and add the catalog item again."
+                ),
+                item.module_id,
+            ))
+    return tuple(issues)
+
+
+def _catalog_plan_entry_mismatches(
+    item: ModuleInstallPlanItem,
+    entry: Mapping[str, object],
+    validation: Mapping[str, object],
+) -> tuple[str, ...]:
+    mismatches: list[str] = []
+    for attribute in ("python_package", "python_ref", "webui_package", "webui_ref"):
+        if getattr(item, attribute) != _catalog_optional_string(entry, attribute):
+            mismatches.append(attribute)
+
+    if _catalog_integrity_identity(item.artifact_integrity) != _catalog_integrity_identity(
+        entry.get("artifact_integrity")
+    ):
+        mismatches.append("artifact_integrity")
+
+    catalog = item.catalog if isinstance(item.catalog, Mapping) else {}
+    expected_snapshot = {
+        "source": validation.get("source") or validation.get("path"),
+        "channel": validation.get("channel"),
+        "sequence": validation.get("sequence"),
+        "signed": bool(validation.get("signed")),
+        "trusted": bool(validation.get("trusted")),
+        "key_id": validation.get("key_id"),
+    }
+    for attribute, expected in expected_snapshot.items():
+        actual = catalog.get(attribute)
+        if actual != expected:
+            mismatches.append(f"catalog.{attribute}")
+    return tuple(mismatches)
+
+
+def _catalog_integrity_identity(value: object) -> dict[str, dict[str, object]]:
+    if not isinstance(value, Mapping):
+        return {}
+    identity: dict[str, dict[str, object]] = {}
+    for kind in ("python", "webui"):
+        raw = value.get(kind)
+        if not isinstance(raw, Mapping):
+            continue
+        identity[kind] = {
+            field: raw.get(field)
+            for field in (
+                "ref",
+                "url",
+                "filename",
+                "sha256",
+                "size",
+                "integrity",
+                "sbom_url",
+                "provenance_url",
+                "registry_identity",
+                "git_ref",
+                "source_commit",
+            )
+            if raw.get(field) is not None
+        }
+    return identity
+
+
 def _module_install_target_plan(
     plan: ModuleInstallPlan,
     available: Mapping[str, ModuleManifest],
@@ -2817,12 +2986,15 @@ def _topological_cycle_ids(incoming: Mapping[str, set[str]]) -> tuple[str, ...]:
 def _catalog_modules_for_target_plan(
     planned_items: tuple[ModuleInstallPlanItem, ...],
 ) -> dict[str, Mapping[str, object]]:
-    if not any(item.source == "catalog" and item.action in PACKAGE_TARGET_ACTIONS for item in planned_items):
+    catalog_items = tuple(
+        item
+        for item in planned_items
+        if item.source == "catalog" and item.action in PACKAGE_TARGET_ACTIONS
+    )
+    if not catalog_items:
         return {}
     try:
-        from govoplan_core.core.module_package_catalog import validate_module_package_catalog
-
-        result = validate_module_package_catalog()
+        result = _validate_catalog_for_plan(catalog_items)
     except Exception:
         return {}
     if result.get("valid") is not True:
@@ -3772,6 +3944,156 @@ def _configured_require_artifact_integrity() -> bool:
     return os.getenv("GOVOPLAN_MODULE_INSTALLER_REQUIRE_ARTIFACT_INTEGRITY", "").strip().lower() in {"1", "true", "yes", "on"}
 
 
+def acquire_catalog_package_artifacts(
+    plan: ModuleInstallPlan,
+    *,
+    runtime_dir: Path,
+) -> ModuleInstallPlan:
+    """Materialize trusted catalog archives before package mutation."""
+
+    items: list[ModuleInstallPlanItem] = []
+    for item in plan.items:
+        if item.status != "planned" or item.action not in PACKAGE_TARGET_ACTIONS:
+            items.append(item)
+            continue
+        raw_integrity = item.artifact_integrity
+        if not isinstance(raw_integrity, Mapping):
+            items.append(item)
+            continue
+        integrity: dict[str, object] = dict(raw_integrity)
+        changed = False
+        for kind in ("python", "webui"):
+            metadata = _artifact_metadata(integrity, kind)
+            if metadata is None or _artifact_path(metadata) is not None:
+                continue
+            if not _catalog_artifact_acquisition_ready(item, metadata):
+                continue
+            updated = dict(metadata)
+            updated["artifact_path"] = str(
+                _acquire_package_artifact(
+                    metadata,
+                    runtime_dir=runtime_dir,
+                    module_id=item.module_id,
+                    kind=kind,
+                )
+            )
+            integrity[kind] = updated
+            changed = True
+        items.append(replace(item, artifact_integrity=integrity) if changed else item)
+    return replace(plan, items=tuple(items))
+
+
+def _catalog_artifact_acquisition_ready(
+    item: ModuleInstallPlanItem,
+    metadata: Mapping[str, object],
+) -> bool:
+    catalog = item.catalog
+    if (
+        item.source != "catalog"
+        or not isinstance(catalog, Mapping)
+        or catalog.get("signed") is not True
+        or catalog.get("trusted") is not True
+    ):
+        return False
+    url = _artifact_text(metadata, "url")
+    filename = _artifact_text(metadata, "filename")
+    sha256 = _artifact_text(metadata, "sha256")
+    size = metadata.get("size")
+    return bool(
+        url
+        and url.startswith("https://")
+        and filename
+        and Path(filename).name == filename
+        and sha256
+        and re.fullmatch(r"[0-9a-f]{64}", sha256.lower())
+        and isinstance(size, int)
+        and not isinstance(size, bool)
+        and 0 < size <= MAX_PACKAGE_ARTIFACT_BYTES
+    )
+
+
+def _acquire_package_artifact(
+    metadata: Mapping[str, object],
+    *,
+    runtime_dir: Path,
+    module_id: str,
+    kind: str,
+) -> Path:
+    url = validate_http_url(_artifact_text(metadata, "url") or "", label=f"{kind.capitalize()} package URL")
+    if not url.startswith("https://"):
+        raise ModuleInstallerError(f"{kind.capitalize()} package URL must use HTTPS.")
+    filename = _artifact_text(metadata, "filename") or ""
+    expected_sha256 = (_artifact_text(metadata, "sha256") or "").lower()
+    expected_size = metadata.get("size")
+    if (
+        not filename
+        or Path(filename).name != filename
+        or re.fullmatch(r"[A-Za-z0-9][A-Za-z0-9._+!-]{0,255}", filename) is None
+        or re.fullmatch(r"[0-9a-f]{64}", expected_sha256) is None
+        or not isinstance(expected_size, int)
+        or isinstance(expected_size, bool)
+        or not 0 < expected_size <= MAX_PACKAGE_ARTIFACT_BYTES
+    ):
+        raise ModuleInstallerError(f"Catalog artifact metadata is incomplete for {module_id}/{kind}.")
+
+    cache_root = runtime_dir / "artifacts"
+    _ensure_private_artifact_directory(cache_root)
+    digest_root = cache_root / expected_sha256
+    _ensure_private_artifact_directory(digest_root)
+    target = digest_root / filename
+    if target.exists() or target.is_symlink():
+        if target.is_symlink() or not target.is_file():
+            raise ModuleInstallerError(f"Cached package artifact is not a regular file: {target}")
+        if target.stat().st_size != expected_size or _sha256_file(target) != expected_sha256:
+            raise ModuleInstallerError(f"Cached package artifact does not match its catalog identity: {target}")
+        return target
+
+    try:
+        response = fetch_http(
+            url,
+            timeout=float(os.getenv("GOVOPLAN_MODULE_INSTALLER_DOWNLOAD_TIMEOUT_SECONDS", "120")),
+            label=f"{module_id} {kind} package URL",
+            max_bytes=min(expected_size + 1, MAX_PACKAGE_ARTIFACT_BYTES),
+        )
+    except (OSError, ValueError) as exc:
+        raise ModuleInstallerError(f"Could not download {module_id} {kind} package: {exc}") from exc
+    if response.status < 200 or response.status >= 300:
+        raise ModuleInstallerError(f"Could not download {module_id} {kind} package: HTTP {response.status}.")
+    if len(response.body) != expected_size or hashlib.sha256(response.body).hexdigest() != expected_sha256:
+        raise ModuleInstallerError(f"Downloaded {module_id} {kind} package does not match its signed catalog identity.")
+
+    temporary_path: Path | None = None
+    try:
+        with tempfile.NamedTemporaryFile(
+            mode="wb",
+            prefix=f".{filename}.",
+            suffix=".tmp",
+            dir=digest_root,
+            delete=False,
+        ) as handle:
+            temporary_path = Path(handle.name)
+            handle.write(response.body)
+            handle.flush()
+            os.fsync(handle.fileno())
+        temporary_path.chmod(0o600)
+        os.replace(temporary_path, target)
+        target.chmod(0o600)
+    except OSError as exc:
+        if temporary_path is not None:
+            temporary_path.unlink(missing_ok=True)
+        raise ModuleInstallerError(f"Could not cache {module_id} {kind} package.") from exc
+    return target
+
+
+def _ensure_private_artifact_directory(path: Path) -> None:
+    if path.is_symlink():
+        raise ModuleInstallerError(f"Installer artifact cache must not be a symlink: {path}")
+    path.mkdir(parents=True, mode=0o700, exist_ok=True)
+    path.chmod(0o700)
+    if not path.is_dir() or stat.S_IMODE(path.stat().st_mode) != 0o700:
+        raise ModuleInstallerError(f"Installer artifact cache is not private: {path}")
+
+
 def _verify_artifact_integrity(
     planned_items: tuple[ModuleInstallPlanItem, ...],
     *,
@@ -3839,7 +4161,17 @@ def _verify_artifact_metadata(
     }
     if package_name:
         record["package"] = package_name
-    for key in ("sha256", "sbom_url", "provenance_url", "registry_identity", "git_ref"):
+    for key in (
+        "sha256",
+        "url",
+        "filename",
+        "integrity",
+        "sbom_url",
+        "provenance_url",
+        "registry_identity",
+        "git_ref",
+        "source_commit",
+    ):
         value = _artifact_text(metadata, key)
         if value:
             record[key] = value
@@ -3860,6 +4192,15 @@ def _verify_artifact_metadata(
             item.module_id,
         ))
         return record, tuple(issues)
+    if artifact_path is None and _catalog_artifact_acquisition_ready(item, metadata):
+        record["acquisition_pending"] = True
+        issues.append(ModuleInstallerIssue(
+            "info",
+            "artifact_acquisition_pending",
+            f"{kind.capitalize()} artifact will be downloaded and verified by the installer daemon before package mutation.",
+            item.module_id,
+        ))
+        return record, tuple(issues)
     if artifact_path is None:
         issues.append(ModuleInstallerIssue(
             "blocker" if require_verified else "warning",

src/govoplan_core/core/module_package_catalog.py

@@ -6,6 +6,7 @@ from collections import defaultdict
 from collections.abc import Mapping
 from dataclasses import dataclass
 from datetime import UTC, datetime
+from importlib.resources import files
 from pathlib import Path
 import json
 import os
@@ -29,6 +30,8 @@ from govoplan_core.core.provider_governance import (
 from govoplan_core.security.http_fetch import fetch_http_text, is_http_url
 
 _INTERFACE_NAME_RE = re.compile(r"^[a-z][a-z0-9_]*(?:\.[a-z][a-z0-9_]*)+$")
+_SHA256_RE = re.compile(r"^[0-9a-f]{64}$")
+_ARTIFACT_FILENAME_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._+!-]{0,255}$")
 CATALOG_MIGRATION_SAFETY = ("automatic", "requires_review", "forward_only", "destructive")
 CATALOG_MIGRATION_TASK_PHASES = (
     "pre_migration_check",
@@ -36,6 +39,8 @@ CATALOG_MIGRATION_TASK_PHASES = (
     "post_migration_backfill",
     "post_migration_verify",
 )
+OFFICIAL_MODULE_PACKAGE_CATALOG_URL = "https://govoplan.add-ideas.de/catalogs/v1/channels/stable.json"
+OFFICIAL_MODULE_PACKAGE_CATALOG_CHANNEL = "stable"
 
 
 @dataclass(frozen=True, slots=True)
@@ -101,6 +106,18 @@ def validate_module_package_catalog(
     return _valid_catalog_result(catalog_source, state)
 
 
+def validate_official_module_package_catalog() -> dict[str, object]:
+    """Read the public GovOPlaN directory against Core's pinned trust anchor."""
+
+    keyring = files("govoplan_core").joinpath("resources/catalog-keyring.json").read_text(encoding="utf-8")
+    return validate_module_package_catalog(
+        OFFICIAL_MODULE_PACKAGE_CATALOG_URL,
+        require_trusted=True,
+        approved_channels=(OFFICIAL_MODULE_PACKAGE_CATALOG_CHANNEL,),
+        trusted_keys=_parse_trusted_keys(keyring),
+    )
+
+
 def _catalog_validation_state(
     source: Path | str | None,
     *,
@@ -323,7 +340,10 @@ def _configured_require_signature() -> bool:
 
 
 def _configured_approved_channels() -> tuple[str, ...]:
-    value = os.getenv("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS", "").strip()
+    value = (
+        os.getenv("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNELS", "").strip()
+        or os.getenv("GOVOPLAN_MODULE_PACKAGE_CATALOG_APPROVED_CHANNEL", "").strip()
+    )
     if not value:
         return ()
     return tuple(item.strip() for item in value.split(",") if item.strip())
@@ -969,20 +989,40 @@ def _normalize_artifact_integrity(value: Any) -> dict[str, object]:
             continue
         if not isinstance(raw, dict):
             raise ValueError(f"Module package catalog artifact_integrity.{key} must be an object.")
-        clean = {
+        clean: dict[str, object] = {
             field: text
             for field in (
                 "ref",
                 "path",
                 "artifact_path",
+                "url",
+                "filename",
                 "sha256",
+                "integrity",
                 "sbom_url",
                 "provenance_url",
                 "registry_identity",
                 "git_ref",
+                "source_commit",
             )
             if (text := _optional_str(raw, field))
         }
+        url = clean.get("url")
+        if isinstance(url, str) and (not is_http_url(url) or not url.startswith("https://")):
+            raise ValueError(f"Module package catalog artifact_integrity.{key}.url must use HTTPS.")
+        filename = clean.get("filename")
+        if isinstance(filename, str) and _ARTIFACT_FILENAME_RE.fullmatch(filename) is None:
+            raise ValueError(f"Module package catalog artifact_integrity.{key}.filename is invalid.")
+        sha256 = clean.get("sha256")
+        if isinstance(sha256, str) and _SHA256_RE.fullmatch(sha256.lower()) is None:
+            raise ValueError(f"Module package catalog artifact_integrity.{key}.sha256 is invalid.")
+        if isinstance(sha256, str):
+            clean["sha256"] = sha256.lower()
+        size = raw.get("size")
+        if size is not None:
+            if not isinstance(size, int) or isinstance(size, bool) or size <= 0 or size > 512 * 1024 * 1024:
+                raise ValueError(f"Module package catalog artifact_integrity.{key}.size is invalid.")
+            clean["size"] = size
         if clean:
             normalized[key] = clean
     return normalized

src/govoplan_core/resources/catalog-keyring.json

@@ -0,0 +1,13 @@
+{
+  "generated_at": "2026-07-11T15:18:35.649400Z",
+  "keyring_version": "1",
+  "keys": [
+    {
+      "key_id": "release-key-1",
+      "not_before": "2026-07-11T00:00:00Z",
+      "public_key": "jOXIlZXytoNJCH8tsmrYRklg6ShpjGXRY0uV3jApRiA=",
+      "status": "active"
+    }
+  ],
+  "purpose": "govoplan module package catalog signatures"
+}

tests/test_module_system.py

@@ -148,6 +148,49 @@ def configure_database(database_url: str):
     return configure_database_handle(database_url, dispose_previous=True)
 
 
+def _bound_catalog_plan(
+    plan: ModuleInstallPlan,
+    entries: list[dict[str, object]],
+) -> tuple[ModuleInstallPlan, dict[str, object]]:
+    """Build the signed catalog snapshot expected by catalog-plan preflight."""
+
+    source = "https://catalog.example.test/stable.json"
+    snapshot = {
+        "source": source,
+        "channel": "stable",
+        "sequence": 42,
+        "signed": True,
+        "trusted": True,
+        "key_id": "release-key-1",
+    }
+    items = {item.module_id: item for item in plan.items}
+    bound_entries: list[dict[str, object]] = []
+    for raw in entries:
+        entry = dict(raw)
+        item = items[str(entry["module_id"])]
+        entry.setdefault("action", "install")
+        for attribute in ("python_package", "python_ref", "webui_package", "webui_ref"):
+            value = getattr(item, attribute)
+            if value is not None:
+                entry.setdefault(attribute, value)
+        if item.artifact_integrity is not None:
+            entry.setdefault("artifact_integrity", item.artifact_integrity)
+        bound_entries.append(entry)
+    return (
+        replace(
+            plan,
+            items=tuple(replace(item, catalog=snapshot) for item in plan.items),
+        ),
+        {
+            "configured": True,
+            "valid": True,
+            "warnings": [],
+            **snapshot,
+            "modules": bound_entries,
+        },
+    )
+
+
 def _join_route_path(prefix: str, path: str) -> str:
     if not prefix:
         return path
@@ -1813,22 +1856,18 @@ finally:
                 data_safety_acknowledged=True,
             ),
         ))
-
-        with patch(
-            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
-            return_value={
-                "configured": True,
-                "valid": True,
-                "warnings": [],
-                "modules": [{
+        plan, validation = _bound_catalog_plan(plan, [{
             "module_id": "files",
             "version": "2.0.0",
             "migration_safety": "forward_only",
             "migration_notes": "Database rollback requires restoring the pre-update snapshot.",
             "recovery_tested": True,
             "recovery_notes": "Snapshot restore was rehearsed on the staging dataset.",
-                }],
-            },
+        }])
+
+        with patch(
+            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
+            return_value=validation,
         ):
             preflight = module_install_preflight(
                 plan=plan,
@@ -1918,18 +1957,14 @@ finally:
                 python_ref="govoplan-mail==1.0.0",
             ),
         ))
+        plan, validation = _bound_catalog_plan(plan, [
+            {"module_id": "files", "version": "0.9.0", "allow_downgrade": True},
+            {"module_id": "mail", "version": "1.0.0", "allow_same_version": True},
+        ])
 
         with patch(
             "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
-            return_value={
-                "configured": True,
-                "valid": True,
-                "warnings": [],
-                "modules": [
-                    {"module_id": "files", "version": "0.9.0", "allow_downgrade": True},
-                    {"module_id": "mail", "version": "1.0.0", "allow_same_version": True},
-                ],
-            },
+            return_value=validation,
         ):
             preflight = module_install_preflight(
                 plan=plan,
@@ -1996,20 +2031,16 @@ finally:
                 python_ref="govoplan-files==2.0.0",
             ),
         ))
-
-        with patch(
-            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
-            return_value={
-                "configured": True,
-                "valid": True,
-                "warnings": [],
-                "modules": [{
+        plan, validation = _bound_catalog_plan(plan, [{
             "module_id": "files",
             "version": "2.0.0",
             "bridge_release": True,
             "bridge_notes": "Keeps both 1.x and 2.x attachment interfaces available.",
-                }],
-            },
+        }])
+
+        with patch(
+            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
+            return_value=validation,
         ):
             preflight = module_install_preflight(
                 plan=plan,
@@ -2073,21 +2104,17 @@ finally:
                 data_safety_acknowledged=True,
             ),
         ))
-
-        with patch(
-            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
-            return_value={
-                "configured": True,
-                "valid": True,
-                "warnings": [],
-                "modules": [{
+        plan, validation = _bound_catalog_plan(plan, [{
             "module_id": "files",
             "migration_safety": "destructive",
             "migration_notes": "Drops obsolete cache tables after exporting the retained documents.",
             "recovery_tested": True,
             "recovery_notes": "Restore and forward-recovery path verified on staging.",
-                }],
-            },
+        }])
+
+        with patch(
+            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
+            return_value=validation,
         ):
             preflight = module_install_preflight(
                 plan=plan,
@@ -2127,14 +2154,7 @@ finally:
                 python_ref="govoplan-campaign==2.0.0",
             ),
         ))
-
-        with patch(
-            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
-            return_value={
-                "configured": True,
-                "valid": True,
-                "warnings": [],
-                "modules": [
+        plan, validation = _bound_catalog_plan(plan, [
             {
                 "module_id": "files",
                 "provides_interfaces": [{"name": "files.attachments", "version": "2.0.0"}],
@@ -2147,8 +2167,11 @@ finally:
                     "version_max_exclusive": "3.0.0",
                 }],
             },
-                ],
-            },
+        ])
+
+        with patch(
+            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
+            return_value=validation,
         ):
             preflight = module_install_preflight(
                 plan=plan,
@@ -2914,6 +2937,144 @@ finally:
         self.assertFalse(preflight.allowed)
         self.assertIn("artifact_integrity_required", {issue.code for issue in preflight.issues})
 
+    def test_trusted_catalog_artifact_is_acquired_and_installed_from_verified_cache(self) -> None:
+        root = Path(tempfile.mkdtemp(prefix="govoplan-installer-artifact-download-", dir=_TEST_ROOT))
+        encoded = b"verified wheel artifact"
+        digest = hashlib.sha256(encoded).hexdigest()
+        plan = ModuleInstallPlan(items=(ModuleInstallPlanItem(
+            module_id="files",
+            action="install",
+            source="catalog",
+            catalog={"signed": True, "trusted": True, "channel": "stable"},
+            python_package="govoplan-files",
+            python_ref=f"govoplan-files @ https://packages.example.test/govoplan_files.whl#sha256={digest}",
+            artifact_integrity={
+                "python": {
+                    "ref": f"govoplan-files @ https://packages.example.test/govoplan_files.whl#sha256={digest}",
+                    "url": "https://packages.example.test/govoplan_files.whl",
+                    "filename": "govoplan_files-0.1.4-py3-none-any.whl",
+                    "sha256": digest,
+                    "size": len(encoded),
+                },
+            },
+        ),))
+
+        with patch.dict(os.environ, {"GOVOPLAN_MODULE_INSTALLER_REQUIRE_ARTIFACT_INTEGRITY": "true"}), patch(
+            "govoplan_core.core.module_installer._package_catalog_preflight_issues",
+            return_value=(),
+        ):
+            preflight = module_install_preflight(
+                plan=plan,
+                available=available_module_manifests(),
+                current_enabled=("tenancy", "access"),
+                desired_enabled=("tenancy", "access"),
+                maintenance_mode=True,
+            )
+        self.assertTrue(preflight.allowed, [issue.as_dict() for issue in preflight.issues])
+        self.assertIn("artifact_acquisition_pending", {issue.code for issue in preflight.issues})
+
+        with patch(
+            "govoplan_core.core.module_installer.fetch_http",
+            return_value=SimpleNamespace(status=200, body=encoded),
+        ):
+            acquired = module_installer_module.acquire_catalog_package_artifacts(
+                plan,
+                runtime_dir=root / "installer",
+            )
+
+        artifact_path = Path(acquired.items[0].artifact_integrity["python"]["artifact_path"])
+        self.assertEqual(encoded, artifact_path.read_bytes())
+        self.assertEqual(0o600, stat.S_IMODE(artifact_path.stat().st_mode))
+        commands = structured_install_commands(acquired, webui_root=None)
+        self.assertEqual(str(artifact_path), commands[0]["argv"][-1])
+
+    def test_installer_revalidates_the_bundled_official_catalog_when_no_override_is_configured(self) -> None:
+        from govoplan_core.core.module_package_catalog import OFFICIAL_MODULE_PACKAGE_CATALOG_URL
+
+        item = ModuleInstallPlanItem(
+            module_id="files",
+            action="install",
+            source="catalog",
+            catalog={"source": OFFICIAL_MODULE_PACKAGE_CATALOG_URL, "signed": True, "trusted": True},
+            python_package="govoplan-files",
+            python_ref="govoplan-files==0.1.18",
+        )
+        official = {"configured": True, "valid": True, "modules": []}
+        with patch(
+            "govoplan_core.core.module_package_catalog.validate_module_package_catalog",
+            return_value={"configured": False, "valid": True, "modules": []},
+        ), patch(
+            "govoplan_core.core.module_package_catalog.validate_official_module_package_catalog",
+            return_value=official,
+        ) as validate_official:
+            result = module_installer_module._validate_catalog_for_plan((item,))
+
+        self.assertIs(official, result)
+        validate_official.assert_called_once_with()
+
+    def test_catalog_plan_is_bound_to_the_exact_validated_artifact(self) -> None:
+        digest = "a" * 64
+        python_ref = f"govoplan-files @ https://packages.example.test/files.whl#sha256={digest}"
+        integrity = {
+            "python": {
+                "ref": python_ref,
+                "url": "https://packages.example.test/files.whl",
+                "filename": "govoplan_files-1.2.3-py3-none-any.whl",
+                "sha256": digest,
+                "size": 123,
+                "registry_identity": "govoplan-files@1.2.3",
+                "git_ref": "v1.2.3",
+                "source_commit": "b" * 40,
+            },
+        }
+        validation = {
+            "configured": True,
+            "valid": True,
+            "source": "https://catalog.example.test/stable.json",
+            "channel": "stable",
+            "sequence": 42,
+            "signed": True,
+            "trusted": True,
+            "key_id": "release-key-1",
+            "modules": [{
+                "module_id": "files",
+                "action": "install",
+                "python_package": "govoplan-files",
+                "python_ref": python_ref,
+                "artifact_integrity": integrity,
+            }],
+        }
+        item = ModuleInstallPlanItem(
+            module_id="files",
+            action="install",
+            source="catalog",
+            catalog={
+                "source": validation["source"],
+                "channel": "stable",
+                "sequence": 42,
+                "signed": True,
+                "trusted": True,
+                "key_id": "release-key-1",
+            },
+            python_package="govoplan-files",
+            python_ref=python_ref,
+            artifact_integrity=integrity,
+        )
+
+        self.assertEqual((), module_installer_module._catalog_plan_binding_issues((item,), validation))
+
+        tampered = replace(
+            item,
+            artifact_integrity={
+                "python": {
+                    **integrity["python"],
+                    "url": "https://attacker.example.test/files.whl",
+                },
+            },
+        )
+        issues = module_installer_module._catalog_plan_binding_issues((tampered,), validation)
+        self.assertEqual(["catalog_plan_binding_mismatch"], [issue.code for issue in issues])
+
     def test_supervised_module_install_rollback_restores_desired_modules(self) -> None:
         root = Path(tempfile.mkdtemp(prefix="govoplan-installer-desired-rollback-", dir=_TEST_ROOT))
         settings = _settings(root)
@@ -3370,7 +3531,10 @@ finally:
                 "artifact_integrity": {
                     "python": {
                         "ref": "govoplan-files==0.1.4",
+                        "url": "https://packages.example.test/govoplan-files-0.1.4.whl",
+                        "filename": "govoplan-files-0.1.4.whl",
                         "sha256": "0" * 64,
+                        "size": 123,
                         "sbom_url": "https://govoplan.example/sbom/files-0.1.4.spdx.json",
                         "provenance_url": "https://govoplan.example/provenance/files-0.1.4.intoto.jsonl",
                     }
@@ -3419,6 +3583,7 @@ finally:
             ],
         )
         self.assertEqual("0" * 64, catalog[0]["artifact_integrity"]["python"]["sha256"])
+        self.assertEqual(123, catalog[0]["artifact_integrity"]["python"]["size"])
 
         validation = validate_module_package_catalog(catalog_path)
         self.assertTrue(validation["valid"])
@@ -3591,15 +3756,73 @@ finally:
             str(Path(__file__).resolve().parents[2] / "govoplan" / "tools" / "release" / "generate-release-catalog.py"),
             run_name="govoplan_release_catalog_contract_test",
         )
+        workspace = Path(__file__).resolve().parents[2]
+        version = "0.1.18"
+        repositories = {
+            "govoplan-core": ("govoplan-core", "@govoplan/core-webui", ["server"]),
+            "govoplan-files": ("govoplan-files", "@govoplan/files-webui", []),
+            "govoplan-mail": ("govoplan-mail", "@govoplan/mail-webui", []),
+            "govoplan-campaign": ("govoplan-campaign", "@govoplan/campaign-webui", []),
+        }
+        python_packages = []
+        webui_packages = []
+        python_lock = []
+        webui_lock = []
+        for repository, (package, webui_package, extras) in repositories.items():
+            commit = subprocess.check_output(
+                ["git", "-C", str(workspace / repository), "rev-parse", f"v{version}^{{commit}}"],
+                text=True,
+            ).strip()
+            source = {
+                "version": version,
+                "repository": repository,
+                "tag": f"v{version}",
+                "commit": commit,
+            }
+            python_packages.append({"name": package, "extras": extras, **source})
+            webui_packages.append({"name": webui_package, **source})
+            python_lock.append({
+                "name": package,
+                "extras": extras,
+                "filename": f"{package.replace('-', '_')}-{version}-py3-none-any.whl",
+                "url": f"https://packages.example.test/{package}-{version}.whl",
+                "sha256": "a" * 64,
+                "size": 100,
+                **source,
+            })
+            webui_lock.append({
+                "name": webui_package,
+                "filename": f"{repository}-{version}.tgz",
+                "url": f"https://packages.example.test/{repository}-{version}.tgz",
+                "sha256": "b" * 64,
+                "size": 100,
+                "integrity": "sha512-test",
+                **source,
+            })
         generated_at = generator["datetime"].now(tz=generator["UTC"])
         catalog = generator["_catalog_payload"](
-            version="0.1.9",
-            tag="v0.1.9",
+            package_set={
+                "schema_version": "1",
+                "release_version": version,
+                "profile": "base",
+                "package_set_sha256": "c" * 64,
+                "python": python_packages,
+                "webui": webui_packages,
+            },
+            package_lock={
+                "schema_version": "1",
+                "release_version": version,
+                "profile": "base",
+                "package_set_sha256": "c" * 64,
+                "lock_sha256": "d" * 64,
+                "python": python_lock,
+                "webui": webui_lock,
+            },
             channel="test",
             sequence=1,
             generated_at=generated_at,
             expires_at=generated_at + generator["timedelta"](days=1),
-            repository_base="git+ssh://git@example.test/add-ideas",
+            workspace=workspace,
             public_base_url="https://example.test",
         )
         modules = {item["module_id"]: item for item in catalog["modules"]}
@@ -3612,7 +3835,7 @@ finally:
             "version_max_exclusive": "0.2.0",
         }, modules["files"]["requires_interfaces"])
         self.assertEqual(
-            ["campaigns", "encryption", "records", "search"],
+            ["campaigns", "encryption", "search"],
             modules["files"]["optional_dependencies"],
         )
         self.assertIn({"name": "mail.campaign_delivery", "version": "0.2.0"}, modules["mail"]["provides_interfaces"])
@@ -3682,11 +3905,19 @@ finally:
         )
         self.assertEqual("requires_review", modules["files"]["migration_safety"])
         self.assertIn("migration", modules["files"]["migration_notes"].lower())
-        files_version = importlib.import_module(
-            "govoplan_files.backend.manifest"
-        ).get_manifest().version
-        self.assertEqual(files_version, modules["files"]["version"])
-        self.assertIn(f"@v{files_version}", modules["files"]["python_ref"])
+        self.assertEqual(version, modules["files"]["version"])
+        self.assertEqual(
+            f"govoplan-files @ https://packages.example.test/govoplan-files-{version}.whl#sha256={'a' * 64}",
+            modules["files"]["python_ref"],
+        )
+        self.assertEqual(f"v{version}", modules["files"]["source"]["tag"])
+        self.assertEqual(
+            subprocess.check_output(
+                ["git", "-C", str(workspace / "govoplan-files"), "rev-parse", f"v{version}^{{commit}}"],
+                text=True,
+            ).strip(),
+            modules["files"]["source"]["commit"],
+        )
 
     def test_module_package_catalog_validates_remote_url_and_cache_fallback(self) -> None:
         root = Path(tempfile.mkdtemp(prefix="govoplan-module-package-catalog-remote-", dir=_TEST_ROOT))