fix(scheduling-webui): keep invitation delivery explicit

LICENSE

@@ -0,0 +1,235 @@
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README.md

@@ -1,12 +1,17 @@
 # GovOPlaN Scheduling
 
+<!-- govoplan-repository-type:start -->
+**Repository type:** module (domain).
+<!-- govoplan-repository-type:end -->
+
 GovOPlaN Scheduling owns meeting scheduling and `Terminfindung`: finding
 suitable times across people, resources, calendars, constraints, and scheduling
 polls.
 
-This repository is currently a tag-only scaffold. It should gain package
-metadata, a backend manifest, and a WebUI package together when the first
-implementation slice is designed.
+This repository is initialized as a discoverable module seed. It exposes the
+module manifest, permission surface, role templates, and documentation metadata
+before runtime APIs, database models, migrations, and WebUI routes are
+introduced.
 
 The core boundary decision register is in
 `/mnt/DATA/git/govoplan-core/docs/MODULE_ARCHITECTURE.md`.
@@ -15,7 +20,7 @@ The core boundary decision register is in
 
 Scheduling owns:
 
-- meeting scheduling polls and proposals
+- meeting scheduling polls and proposals built on `govoplan-poll`
 - participant availability collection
 - time-window and resource constraints
 - candidate-slot ranking and conflict explanation
@@ -64,24 +69,205 @@ unless a configured process requires longer evidence retention.
 - `scheduling.decisionHandoff`
 - `scheduling.portalParticipation`
 
+## Manifest Dependency Decision
+
+The Scheduling manifest declares `poll` as a required dependency because
+availability collection and option/date poll primitives belong in
+`govoplan-poll`.
+
+Scheduling should model each meeting-finding flow as a poll-backed workflow:
+Poll owns candidate options, signed participation links, responses, visibility,
+and result aggregation. Scheduling stores the scheduling-specific context and
+uses Poll context fields to point back to its request or proposal resource.
+Typical workflow steps are collect availability, rank candidates, decide, notify
+participants, and hand off to Calendar or Appointments.
+
+The manifest declares `access`, `addresses`, and `evaluation` as optional
+dependencies. Scheduling uses Core's principal-aware people-search boundary to
+combine only the account and contact records visible to the current organizer;
+it never calls the instance-wide Identity search. It may trigger post-event or
+post-appointment feedback through Evaluation, and must not require any of these
+optional modules just to find a meeting time.
+
 ## Expected Integrations
 
+- `govoplan-poll`: required availability matrix and lightweight poll primitives
+- `govoplan-evaluation`: optional post-event, post-appointment, or process feedback
 - `govoplan-calendar`: availability, calendars, resources, rooms, recurrence, Open-Xchange/calendar adapters
 - `govoplan-appointments`: conversion from a selected meeting time into a booked appointment where appropriate
-- `govoplan-access` and `govoplan-idm`: participants, groups, directory lookup, permissions
+- `govoplan-access` and `govoplan-idm`: optional participants, groups, directory lookup, permissions
 - `govoplan-mail` and `govoplan-notifications`: invitations, reminders, confirmations
 - `govoplan-portal`: external participant scheduling flows
 - `govoplan-workflow` and `govoplan-tasks`: follow-up work after a time is selected
 
+## Participant selection boundary
+
+The editor uses Core's shared `PeoplePicker`. Its server-side search aggregates
+the optional `access.people_search` and `addresses.people_search` capabilities,
+and each provider applies the active principal and tenant visibility rules
+before returning a candidate. Scheduling exposes only the fields needed to
+select a person; provider provenance, address-book topology, group membership,
+and other internals are not returned by its picker endpoint.
+
+An account selection becomes an internal participant bound to that account.
+A visible address-book contact becomes an external participant with a bounded
+directory-selection reference and revision for later organizer editing. Manual
+name-and-email entry is available only while the request allows external
+participants. The picker stores neither provider-internal provenance nor a
+global Identity record reference in participant metadata.
+
 ## First Package Scaffold Decision
 
-The first scaffold should include both backend and WebUI package metadata once
-implementation starts:
+The first backend implementation slice adds runtime APIs and storage around
+poll-backed scheduling requests:
 
-- backend manifest, permissions, DTOs, and APIs for internal polls
-- WebUI route contribution for poll creation and response collection
-- capability contracts for calendar free/busy, access/IDM lookup,
-  mail/notification sending, portal participation links, appointment handoff,
-  and workflow/task follow-up
+- scheduling request, candidate slot, and participant storage
+- automatic `govoplan-poll` availability poll creation
+- signed poll invitations for internal or external participants
+- request lifecycle APIs: draft, collecting, closed, decided, handed off, cancelled
+- result summaries sourced from Poll response aggregation
+- optional Calendar free/busy checks, tentative holds, and final event creation
+- notification outbox jobs for invitations, reminders, decisions,
+  cancellations, and participant access changes
+- a first Scheduling WebUI package with request creation, slot matrix, Calendar
+  actions, decisions, and notification-job creation
+
+The next slices should add generic self-enrolment links after their abuse and
+identity policy is agreed, Calendar hold cleanup after decision, and advanced
+scoring constraints such as required participants and quorum rules.
 
 The active backlog lives in Gitea issues.
+
+## Signed-participation policy gate
+
+Scheduling persists the response policy and snapshots it onto each governed
+Poll invitation. Public access uses
+`/scheduling/public/{request_id}/{token}`; Poll's ordinary public routes reject
+these gateway-bound tokens, so callers cannot bypass Scheduling's password and
+request checks. Passwords are write-only, stored only as salted PBKDF2 hashes,
+and failed checks are throttled through Redis when configured with a bounded
+in-process fallback.
+
+Poll is the transactional authority for response rules. Its governed submission
+holds the Poll-row lock while enforcing single choice, `Maybe`, participant
+email, comments, idempotency and per-option capacity. Scheduling then updates
+its participant projection in the same database transaction. Candidate-slot
+add/remove and participant-link revocation also go through the governed Poll
+capability; exact retries are idempotent, and option mutations invalidate only
+the affected answers.
+
+Public submissions lock the Scheduling request and participant rows before
+entering Poll, matching organizer edit lock order and making first-use email
+binding atomic. Both authenticated and public submission paths independently
+require the Scheduling request to be collecting and its deadline not to have
+passed, so a stale or incorrectly reopened Poll projection cannot accept a
+response. Changing a request deadline transactionally updates each governed
+invitation's expiry in Poll under owner- and gateway-bound row locks. The same
+link and invitation identity survive future, past, extended, and cleared
+deadlines: a past deadline makes the link unusable, a later extension makes the
+same link usable again, and clearing the deadline removes its expiry. No raw
+replacement token crosses the PATCH response, and existing responses plus
+participant status remain attached to the same durable respondent identity.
+
+Cancellation closes the backing Poll, so submission fails, while active links
+remain usable as a reduced cancellation notice for a bounded period. The
+deployment setting `SCHEDULING_CANCELLATION_NOTICE_DAYS` defaults to 30 and is
+bounded to 1–90 days. Cancellation transactionally aligns governed invitation
+expiry with that timestamp. The public projection contains only the request
+title and cancellation timestamps; descriptions, locations, candidate slots,
+comments, and previous answers are omitted. After the bound, access fails with
+the same generic response as an invalid or expired link.
+
+If the governed capability is absent, API responses advertise that policy
+enforcement is unavailable and restricted links fail closed. Plaintext
+passwords, token hashes, response-gateway internals and the participant roster
+are not exposed by the public response model.
+
+Authenticated participant list/detail projections likewise omit tenant,
+organizer, Poll and Calendar identifiers, connector metadata, invitation and
+identity bindings. Free/busy conflicts are reduced to useful time/status
+fields. Organizers and scheduling administrators retain the full management
+projection; participants retain candidate-slot revisions, their own marker and
+email, response settings, aggregates, and any roster names/statuses permitted
+by the configured privacy policy.
+
+The WebUI package registers `/scheduling/public/{request}/{token}` through
+Core's explicit, backend-allowlisted public-route contract. The guest page uses
+the shared UI components, prompts for email/password only when needed, prefills
+an existing response, and enforces the snapshotted response rules. The token
+stays in the path and is never copied into query parameters or browser storage.
+Signed-in users also receive an in-app deep link without weakening the signed
+guest-link boundary.
+
+Creating, editing, and opening a request never issue public tokens or enqueue
+invitation delivery. The deprecated `create_participant_invitations` request
+field remains accepted for compatibility, defaults to `false`, and has no side
+effect. Authenticated in-module responses can still lazily create a
+gateway-bound invitation whose token is discarded.
+
+Organizers and Scheduling administrators use the participant-specific
+invitation action instead:
+
+- `POST /scheduling/requests/{request_id}/participants/{participant_id}/invitation`
+  with `{"action":"copy","participant_revision":"..."}` rotates the previous
+  invitation and returns the new relative action URL once. The response is
+  marked `no-store`.
+- The same endpoint with `{"action":"send"}` rotates the invitation and passes
+  its URL directly to the notification dispatch job; it also requires the
+  current `participant_revision`. Neither the API response nor Scheduling's
+  durable notification projection contains the token.
+- `DELETE` on the same resource uses a JSON body containing the current
+  `participant_revision` and revokes the active link immediately. A revoke
+  against the refreshed no-link projection is an idempotent replay.
+
+The semantic participant revision includes the current invitation identity.
+It is checked after the participant row is locked, so stale copy, send, and
+revoke commands return `409` before rotating a newer link or delivering to a
+changed recipient.
+
+The participant DataGrid presents copy, send, and revoke as a fixed icon-only
+action group. Authorized but unavailable actions remain visible and explain
+why they are disabled: for example, delivery is disabled without a dispatch
+provider or recipient target, and revoke is disabled when no active link
+exists. The delivery capability is exposed only in management projections.
+Copy accepts only the same-origin Scheduling public path and does not persist
+the bearer URL in component state, logs, or browser storage.
+
+Links can be issued in any request state. Collection state and deadline checks
+remain independent submission requirements, so a link to a draft, closed, or
+decided request is read-only. Issue, copy, send-request, and revoke actions are
+audited with request and participant identifiers but never a bearer token.
+Only an organizer (under the ordinary Scheduling write policy) or a tenant-wide
+Scheduling administrator can use these actions. If notification delivery is
+not installed, `send` fails before rotating the current link and the organizer
+can use `copy` for separate distribution.
+
+Participant edits carry a semantic revision so a stale organizer form cannot
+overwrite an invitation or response change. Corrections that retain a stable
+account or directory identity update the existing participant. A display-name
+correction keeps its invitation; changing a delivery email revokes the stale
+link but keeps a response tied to the unchanged account identity.
+
+Changing the canonical identity creates a new participant instead of assigning
+the former participant's response to another person. In the same transaction,
+Scheduling revokes the old invitation and Poll soft-deletes every matching
+live response. Poll retains the answers and a bounded retirement record for
+audit, while result summaries and capacity checks immediately exclude them.
+Removing an invited or responding participant follows the same retirement
+path. Scheduling records privacy-safe audit facts and queues a removal or
+replacement notice to the former recipient without placing email addresses or
+response contents in the audit event.
+
+## FieldLabel omission register
+
+Scheduling uses the shared `FieldLabel` for form controls that need explanatory
+inline help. The only intentional omissions are:
+
+- Candidate-slot and participant DataGrid cells: column headers supply the
+  visible label and each interactive cell has an accessible name.
+- Per-slot availability selects: the enclosing visible slot/date text is the
+  native label for that individual choice.
+
+There are no other authorized Scheduling omissions. Inline help remains
+controlled by the user's shared interface setting; hiding it does not remove
+accessible labels.

pyproject.toml

@@ -0,0 +1,25 @@
+[build-system]
+requires = ["setuptools>=69", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "govoplan-scheduling"
+version = "0.1.11"
+description = "GovOPlaN meeting scheduling and Terminfindung module seed."
+readme = "README.md"
+requires-python = ">=3.12"
+license = { file = "LICENSE" }
+authors = [{ name = "GovOPlaN" }]
+dependencies = [
+  "govoplan-core>=0.1.11",
+  "govoplan-poll>=0.1.11",
+]
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.package-data]
+govoplan_scheduling = ["py.typed"]
+
+[project.entry-points."govoplan.modules"]
+scheduling = "govoplan_scheduling.backend.manifest:get_manifest"

src/govoplan_scheduling/__init__.py

@@ -0,0 +1,5 @@
+"""GovOPlaN Scheduling module."""
+
+__all__ = ["__version__"]
+
+__version__ = "0.1.11"

src/govoplan_scheduling/backend/__init__.py

@@ -0,0 +1 @@
+"""Backend package for the GovOPlaN Scheduling module."""

src/govoplan_scheduling/backend/db/__init__.py

@@ -0,0 +1,5 @@
+from __future__ import annotations
+
+from govoplan_scheduling.backend.db.models import SchedulingCandidateSlot, SchedulingNotification, SchedulingParticipant, SchedulingRequest
+
+__all__ = ["SchedulingCandidateSlot", "SchedulingNotification", "SchedulingParticipant", "SchedulingRequest"]

src/govoplan_scheduling/backend/db/models.py

@@ -0,0 +1,155 @@
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, JSON, String, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from govoplan_core.db.base import Base, TimestampMixin
+
+
+def new_uuid() -> str:
+    return str(uuid.uuid4())
+
+
+class SchedulingRequest(Base, TimestampMixin):
+    __tablename__ = "scheduling_requests"
+    __table_args__ = (
+        Index("ix_scheduling_requests_tenant_status", "tenant_id", "status"),
+        Index("ix_scheduling_requests_tenant_poll", "tenant_id", "poll_id"),
+        Index("ix_scheduling_requests_deadline", "tenant_id", "deadline_at"),
+    )
+
+    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)
+    title: Mapped[str] = mapped_column(String(500), nullable=False)
+    description: Mapped[str | None] = mapped_column(Text)
+    location: Mapped[str | None] = mapped_column(String(500))
+    timezone: Mapped[str] = mapped_column(String(100), default="UTC", nullable=False)
+    status: Mapped[str] = mapped_column(String(40), default="draft", nullable=False, index=True)
+    poll_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    selected_slot_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    organizer_user_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    deadline_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    allow_external_participants: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    allow_participant_updates: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    result_visibility: Mapped[str] = mapped_column(String(30), default="after_close", nullable=False)
+    participant_visibility: Mapped[str] = mapped_column(String(32), default="aggregates_only", nullable=False)
+    notify_on_answers: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    single_choice: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    max_participants_per_option: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    allow_maybe: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    allow_comments: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    participant_email_required: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    anonymous_password_protection_enabled: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    anonymous_password_hash: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    calendar_integration_enabled: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    calendar_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    calendar_freebusy_enabled: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    calendar_hold_enabled: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    create_calendar_event_on_decision: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    calendar_event_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    handed_off_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    cancelled_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    cancellation_notice_until: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    metadata_: Mapped[dict[str, Any] | None] = mapped_column("metadata", JSON, nullable=True)
+
+    slots: Mapped[list["SchedulingCandidateSlot"]] = relationship(
+        back_populates="request",
+        cascade="all, delete-orphan",
+        order_by="SchedulingCandidateSlot.position",
+    )
+    participants: Mapped[list["SchedulingParticipant"]] = relationship(
+        back_populates="request",
+        cascade="all, delete-orphan",
+        order_by="SchedulingParticipant.created_at",
+    )
+
+
+class SchedulingCandidateSlot(Base, TimestampMixin):
+    __tablename__ = "scheduling_candidate_slots"
+    __table_args__ = (
+        Index("ix_scheduling_candidate_slots_request_position", "request_id", "position"),
+        Index("ix_scheduling_candidate_slots_range", "tenant_id", "start_at", "end_at"),
+    )
+
+    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)
+    request_id: Mapped[str] = mapped_column(ForeignKey("scheduling_requests.id", ondelete="CASCADE"), nullable=False, index=True)
+    poll_option_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    label: Mapped[str] = mapped_column(String(500), nullable=False)
+    description: Mapped[str | None] = mapped_column(Text)
+    start_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+    end_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+    timezone: Mapped[str] = mapped_column(String(100), default="UTC", nullable=False)
+    location: Mapped[str | None] = mapped_column(String(500))
+    position: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
+    freebusy_checked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    freebusy_status: Mapped[str | None] = mapped_column(String(40), nullable=True, index=True)
+    freebusy_conflicts: Mapped[list[dict[str, Any]]] = mapped_column(JSON, default=list, nullable=False)
+    tentative_hold_event_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    metadata_: Mapped[dict[str, Any] | None] = mapped_column("metadata", JSON, nullable=True)
+
+    request: Mapped[SchedulingRequest] = relationship(back_populates="slots")
+
+
+class SchedulingParticipant(Base, TimestampMixin):
+    __tablename__ = "scheduling_participants"
+    __table_args__ = (
+        Index("ix_scheduling_participants_request", "tenant_id", "request_id"),
+        Index("ix_scheduling_participants_request_email", "request_id", "email"),
+        Index("ix_scheduling_participants_request_respondent", "request_id", "respondent_id"),
+    )
+
+    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)
+    request_id: Mapped[str] = mapped_column(ForeignKey("scheduling_requests.id", ondelete="CASCADE"), nullable=False, index=True)
+    respondent_id: Mapped[str | None] = mapped_column(String(255), nullable=True, index=True)
+    display_name: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    email: Mapped[str | None] = mapped_column(String(320), nullable=True, index=True)
+    participant_type: Mapped[str] = mapped_column(String(30), default="external", nullable=False, index=True)
+    required: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    status: Mapped[str] = mapped_column(String(40), default="invited", nullable=False, index=True)
+    poll_invitation_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    participation_gateway: Mapped[str | None] = mapped_column(String(40), nullable=True)
+    last_invited_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    responded_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    response_comment: Mapped[str | None] = mapped_column(Text, nullable=True)
+    deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
+    metadata_: Mapped[dict[str, Any] | None] = mapped_column("metadata", JSON, nullable=True)
+
+    request: Mapped[SchedulingRequest] = relationship(back_populates="participants")
+
+
+class SchedulingNotification(Base, TimestampMixin):
+    __tablename__ = "scheduling_notifications"
+    __table_args__ = (
+        Index("ix_scheduling_notifications_request_status", "request_id", "status"),
+        Index("ix_scheduling_notifications_tenant_status", "tenant_id", "status"),
+    )
+
+    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)
+    request_id: Mapped[str] = mapped_column(ForeignKey("scheduling_requests.id", ondelete="CASCADE"), nullable=False, index=True)
+    participant_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
+    event_kind: Mapped[str] = mapped_column(String(40), nullable=False, index=True)
+    channel: Mapped[str] = mapped_column(String(40), default="mail", nullable=False, index=True)
+    recipient: Mapped[str | None] = mapped_column(String(500), nullable=True, index=True)
+    status: Mapped[str] = mapped_column(String(40), default="pending", nullable=False, index=True)
+    payload: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
+    error: Mapped[str | None] = mapped_column(Text)
+    sent_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    metadata_: Mapped[dict[str, Any] | None] = mapped_column("metadata", JSON, nullable=True)
+
+
+__all__ = [
+    "SchedulingCandidateSlot",
+    "SchedulingNotification",
+    "SchedulingParticipant",
+    "SchedulingRequest",
+    "new_uuid",
+]

src/govoplan_scheduling/backend/manifest.py

@@ -0,0 +1,213 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from govoplan_core.core.access import CAPABILITY_AUTH_PERMISSION_EVALUATOR, CAPABILITY_AUTH_PRINCIPAL_RESOLVER
+from govoplan_core.core.calendar import CAPABILITY_CALENDAR_SCHEDULING
+from govoplan_core.core.module_guards import drop_table_retirement_provider, persistent_table_uninstall_guard
+from govoplan_core.core.modules import (
+    DocumentationTopic,
+    FrontendModule,
+    MigrationSpec,
+    ModuleContext,
+    ModuleInterfaceProvider,
+    ModuleInterfaceRequirement,
+    ModuleManifest,
+    NavItem,
+    PermissionDefinition,
+    PublicFrontendRoute,
+    RoleTemplate,
+)
+from govoplan_core.core.people import (
+    CAPABILITY_ACCESS_PEOPLE_SEARCH,
+    CAPABILITY_ADDRESSES_PEOPLE_SEARCH,
+)
+from govoplan_core.core.poll import CAPABILITY_POLL_SCHEDULING
+from govoplan_core.core.poll_participation import CAPABILITY_POLL_PARTICIPATION_GATEWAY
+from govoplan_core.core.policy import CAPABILITY_POLICY_SCHEDULING_PARTICIPANT_PRIVACY
+from govoplan_core.db.base import Base
+from govoplan_scheduling.backend.db import models as scheduling_models  # noqa: F401 - populate Scheduling ORM metadata
+
+MODULE_ID = "scheduling"
+MODULE_NAME = "Scheduling"
+MODULE_VERSION = "0.1.11"
+READ_SCOPE = "scheduling:schedule:read"
+WRITE_SCOPE = "scheduling:schedule:write"
+ADMIN_SCOPE = "scheduling:schedule:admin"
+RESPOND_SCOPE = "scheduling:availability:write"
+
+
+def _permission(scope: str, label: str, description: str) -> PermissionDefinition:
+    module_id, resource, action = scope.split(":", 2)
+    return PermissionDefinition(
+        scope=scope,
+        label=label,
+        description=description,
+        category="Scheduling",
+        level="tenant",
+        module_id=module_id,
+        resource=resource,
+        action=action,
+    )
+
+
+PERMISSIONS = (
+    _permission(READ_SCOPE, "View scheduling", "Read scheduling polls, proposals, participant state, and selected outcomes."),
+    _permission(WRITE_SCOPE, "Manage own scheduling", "Create scheduling polls and manage requests for which the account is the organizer."),
+    _permission(ADMIN_SCOPE, "Administer scheduling", "Manage every tenant scheduling request and configure scheduling policies, external participation, and retention defaults."),
+    _permission(RESPOND_SCOPE, "Respond to scheduling polls", "Submit and update own scheduling availability responses."),
+)
+
+ROLE_TEMPLATES = (
+    RoleTemplate(
+        slug="scheduling_manager",
+        name="Scheduling manager",
+        description="Create scheduling polls and manage candidate slots and outcomes for requests the account organizes.",
+        permissions=(READ_SCOPE, WRITE_SCOPE, RESPOND_SCOPE),
+    ),
+    RoleTemplate(
+        slug="scheduling_participant",
+        name="Scheduling participant",
+        description="Read assigned scheduling polls and submit own availability.",
+        permissions=(READ_SCOPE, RESPOND_SCOPE),
+    ),
+)
+
+DOCUMENTATION = (
+    DocumentationTopic(
+        id="scheduling.module-boundary",
+        title="Scheduling module boundary",
+        summary="Meeting scheduling and Terminfindung built on reusable Poll availability primitives.",
+        body=(
+            "Scheduling owns meeting scheduling workflows, candidate slots, participant availability "
+            "collection, conflict explanation, reminders, and decision handoff. It depends on Poll "
+            "for reusable availability matrices and poll-backed workflow context, and can optionally "
+            "trigger Evaluation for post-event feedback. "
+            "Access is optional: when installed, Scheduling can use principal resolution, permission "
+            "evaluation, groups, and role templates; without it, reduced signed-link or local organizer "
+            "flows remain possible."
+        ),
+        layer="available",
+        documentation_types=("admin",),
+        audience=("operator", "module_admin", "product_owner"),
+        related_modules=("poll", "evaluation", "calendar", "appointments", "mail", "notifications", "portal"),
+        metadata={"seed": True},
+    ),
+)
+
+
+def _tenant_summary(session, tenant_id: str) -> dict[str, int]:
+    from govoplan_scheduling.backend.db.models import SchedulingCandidateSlot, SchedulingNotification, SchedulingParticipant, SchedulingRequest
+
+    return {
+        "scheduling_requests": (
+            session.query(SchedulingRequest)
+            .filter(SchedulingRequest.tenant_id == tenant_id, SchedulingRequest.deleted_at.is_(None))
+            .count()
+        ),
+        "scheduling_candidate_slots": (
+            session.query(SchedulingCandidateSlot)
+            .filter(SchedulingCandidateSlot.tenant_id == tenant_id, SchedulingCandidateSlot.deleted_at.is_(None))
+            .count()
+        ),
+        "scheduling_participants": (
+            session.query(SchedulingParticipant)
+            .filter(SchedulingParticipant.tenant_id == tenant_id, SchedulingParticipant.deleted_at.is_(None))
+            .count()
+        ),
+        "scheduling_notifications": (
+            session.query(SchedulingNotification)
+            .filter(SchedulingNotification.tenant_id == tenant_id, SchedulingNotification.status == "pending")
+            .count()
+        ),
+    }
+
+
+def _scheduling_router(context: ModuleContext):
+    from govoplan_scheduling.backend.runtime import configure_runtime
+    from govoplan_scheduling.backend.router import router
+
+    configure_runtime(registry=context.registry, settings=context.settings)
+    return router
+
+
+manifest = ModuleManifest(
+    id=MODULE_ID,
+    name=MODULE_NAME,
+    version=MODULE_VERSION,
+    dependencies=("poll",),
+    optional_dependencies=("access", "calendar", "appointments", "evaluation", "mail", "notifications", "policy", "portal", "workflow", "tasks", "idm", "organizations", "addresses"),
+    optional_capabilities=(
+        CAPABILITY_AUTH_PRINCIPAL_RESOLVER,
+        CAPABILITY_AUTH_PERMISSION_EVALUATOR,
+        CAPABILITY_CALENDAR_SCHEDULING,
+        CAPABILITY_POLICY_SCHEDULING_PARTICIPANT_PRIVACY,
+        CAPABILITY_ACCESS_PEOPLE_SEARCH,
+        CAPABILITY_ADDRESSES_PEOPLE_SEARCH,
+    ),
+    required_capabilities=(
+        CAPABILITY_POLL_SCHEDULING,
+        CAPABILITY_POLL_PARTICIPATION_GATEWAY,
+    ),
+    provides_interfaces=(
+        ModuleInterfaceProvider(name="scheduling.candidate_slots", version=MODULE_VERSION),
+        ModuleInterfaceProvider(name="scheduling.decision_handoff", version=MODULE_VERSION),
+    ),
+    requires_interfaces=(
+        ModuleInterfaceRequirement(name="poll.option_ordering", version_min="0.1.11", version_max_exclusive="0.2.0"),
+        ModuleInterfaceRequirement(name="poll.availability_matrix", version_min="0.1.11", version_max_exclusive="0.2.0"),
+        ModuleInterfaceRequirement(name="poll.response_collection", version_min="0.1.11", version_max_exclusive="0.2.0"),
+        ModuleInterfaceRequirement(name="poll.workflow_context", version_min="0.1.11", version_max_exclusive="0.2.0"),
+        ModuleInterfaceRequirement(name="poll.governed_participation", version_min="0.1.11", version_max_exclusive="0.2.0"),
+        ModuleInterfaceRequirement(name="evaluation.feedback", version_min="0.1.8", version_max_exclusive="0.2.0", optional=True),
+        ModuleInterfaceRequirement(name="notifications.dispatch", version_min="0.1.8", version_max_exclusive="0.2.0", optional=True),
+        ModuleInterfaceRequirement(name=CAPABILITY_ACCESS_PEOPLE_SEARCH, version_min="0.1.0", version_max_exclusive="0.2.0", optional=True),
+        ModuleInterfaceRequirement(name=CAPABILITY_ADDRESSES_PEOPLE_SEARCH, version_min="0.1.0", version_max_exclusive="0.2.0", optional=True),
+        ModuleInterfaceRequirement(name="calendar.scheduling", version_min="0.1.8", version_max_exclusive="0.2.0", optional=True),
+    ),
+    permissions=PERMISSIONS,
+    role_templates=ROLE_TEMPLATES,
+    nav_items=(NavItem(path="/scheduling", label="Scheduling", icon="calendar-clock", required_any=(READ_SCOPE,), order=56),),
+    frontend=FrontendModule(
+        module_id=MODULE_ID,
+        package_name="@govoplan/scheduling-webui",
+        public_routes=(
+            PublicFrontendRoute(
+                path="/scheduling/public/:requestId/:token",
+                component="SchedulingPublicPage",
+                order=10,
+            ),
+        ),
+        nav_items=(NavItem(path="/scheduling", label="Scheduling", icon="calendar-clock", required_any=(READ_SCOPE,), order=56),),
+    ),
+    route_factory=_scheduling_router,
+    tenant_summary_providers=(_tenant_summary,),
+    migration_spec=MigrationSpec(
+        module_id=MODULE_ID,
+        metadata=Base.metadata,
+        script_location=str(Path(__file__).with_name("migrations") / "versions"),
+        retirement_supported=True,
+        retirement_provider=drop_table_retirement_provider(
+            scheduling_models.SchedulingRequest,
+            scheduling_models.SchedulingCandidateSlot,
+            scheduling_models.SchedulingParticipant,
+            scheduling_models.SchedulingNotification,
+            label="Scheduling",
+        ),
+        retirement_notes="Destructive retirement drops scheduling-owned database tables after the installer captures a database snapshot.",
+    ),
+    uninstall_guard_providers=(
+        persistent_table_uninstall_guard(
+            scheduling_models.SchedulingRequest,
+            scheduling_models.SchedulingCandidateSlot,
+            scheduling_models.SchedulingParticipant,
+            scheduling_models.SchedulingNotification,
+            label="Scheduling",
+        ),
+    ),
+    documentation=DOCUMENTATION,
+)
+
+
+def get_manifest() -> ModuleManifest:
+    return manifest

src/govoplan_scheduling/backend/migrations/__init__.py

@@ -0,0 +1 @@
+from __future__ import annotations

src/govoplan_scheduling/backend/migrations/versions/3c4d5e6f7a8b_v018_scheduling_baseline.py

@@ -0,0 +1,320 @@
+"""v0.1.8 scheduling baseline
+
+Revision ID: 3c4d5e6f7a8b
+Revises: None
+Create Date: 2026-07-12 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "3c4d5e6f7a8b"
+down_revision = None
+branch_labels = None
+depends_on = "2a3b4c5d6e7f"
+
+
+_BASELINE_COLUMNS = {
+    "scheduling_requests": {
+        "id",
+        "tenant_id",
+        "title",
+        "description",
+        "location",
+        "timezone",
+        "status",
+        "poll_id",
+        "selected_slot_id",
+        "organizer_user_id",
+        "deadline_at",
+        "allow_external_participants",
+        "allow_participant_updates",
+        "result_visibility",
+        "calendar_integration_enabled",
+        "calendar_id",
+        "calendar_freebusy_enabled",
+        "calendar_hold_enabled",
+        "create_calendar_event_on_decision",
+        "calendar_event_id",
+        "handed_off_at",
+        "cancelled_at",
+        "deleted_at",
+        "metadata",
+        "created_at",
+        "updated_at",
+    },
+    "scheduling_candidate_slots": {
+        "id",
+        "tenant_id",
+        "request_id",
+        "poll_option_id",
+        "label",
+        "description",
+        "start_at",
+        "end_at",
+        "timezone",
+        "location",
+        "position",
+        "deleted_at",
+        "metadata",
+        "created_at",
+        "updated_at",
+    },
+    "scheduling_participants": {
+        "id",
+        "tenant_id",
+        "request_id",
+        "respondent_id",
+        "display_name",
+        "email",
+        "participant_type",
+        "required",
+        "status",
+        "poll_invitation_id",
+        "last_invited_at",
+        "responded_at",
+        "deleted_at",
+        "metadata",
+        "created_at",
+        "updated_at",
+    },
+}
+
+_BASELINE_INDEXES = {
+    "scheduling_requests": {
+        "ix_scheduling_requests_calendar_event_id",
+        "ix_scheduling_requests_calendar_id",
+        "ix_scheduling_requests_deadline",
+        "ix_scheduling_requests_deadline_at",
+        "ix_scheduling_requests_deleted_at",
+        "ix_scheduling_requests_organizer_user_id",
+        "ix_scheduling_requests_poll_id",
+        "ix_scheduling_requests_selected_slot_id",
+        "ix_scheduling_requests_status",
+        "ix_scheduling_requests_tenant_id",
+        "ix_scheduling_requests_tenant_poll",
+        "ix_scheduling_requests_tenant_status",
+    },
+    "scheduling_candidate_slots": {
+        "ix_scheduling_candidate_slots_deleted_at",
+        "ix_scheduling_candidate_slots_end_at",
+        "ix_scheduling_candidate_slots_poll_option_id",
+        "ix_scheduling_candidate_slots_range",
+        "ix_scheduling_candidate_slots_request_id",
+        "ix_scheduling_candidate_slots_request_position",
+        "ix_scheduling_candidate_slots_start_at",
+        "ix_scheduling_candidate_slots_tenant_id",
+    },
+    "scheduling_participants": {
+        "ix_scheduling_participants_deleted_at",
+        "ix_scheduling_participants_email",
+        "ix_scheduling_participants_last_invited_at",
+        "ix_scheduling_participants_participant_type",
+        "ix_scheduling_participants_poll_invitation_id",
+        "ix_scheduling_participants_request",
+        "ix_scheduling_participants_request_email",
+        "ix_scheduling_participants_request_id",
+        "ix_scheduling_participants_request_respondent",
+        "ix_scheduling_participants_responded_at",
+        "ix_scheduling_participants_respondent_id",
+        "ix_scheduling_participants_status",
+        "ix_scheduling_participants_tenant_id",
+    },
+}
+
+
+def _request_foreign_key_exists(inspector: sa.Inspector, table_name: str) -> bool:
+    return any(
+        tuple(item.get("constrained_columns") or ()) == ("request_id",)
+        and item.get("referred_table") == "scheduling_requests"
+        and tuple(item.get("referred_columns") or ()) == ("id",)
+        and str((item.get("options") or {}).get("ondelete", "")).upper() == "CASCADE"
+        for item in inspector.get_foreign_keys(table_name)
+    )
+
+
+def _adopt_existing_baseline() -> bool:
+    """Adopt the complete unversioned Scheduling baseline, never a partial one."""
+
+    inspector = sa.inspect(op.get_bind())
+    expected_tables = set(_BASELINE_COLUMNS)
+    present_tables = expected_tables.intersection(inspector.get_table_names())
+    if not present_tables:
+        return False
+
+    problems: list[str] = []
+    missing_tables = expected_tables - present_tables
+    if missing_tables:
+        problems.append(f"missing tables: {', '.join(sorted(missing_tables))}")
+
+    for table_name in sorted(present_tables):
+        columns = {item["name"] for item in inspector.get_columns(table_name)}
+        missing_columns = _BASELINE_COLUMNS[table_name] - columns
+        if missing_columns:
+            problems.append(f"{table_name} missing columns: {', '.join(sorted(missing_columns))}")
+
+        indexes = {item["name"] for item in inspector.get_indexes(table_name)}
+        missing_indexes = _BASELINE_INDEXES[table_name] - indexes
+        if missing_indexes:
+            problems.append(f"{table_name} missing indexes: {', '.join(sorted(missing_indexes))}")
+
+        primary_key = tuple(inspector.get_pk_constraint(table_name).get("constrained_columns") or ())
+        if primary_key != ("id",):
+            problems.append(f"{table_name} has unexpected primary key: {primary_key!r}")
+
+    for table_name in ("scheduling_candidate_slots", "scheduling_participants"):
+        if table_name in present_tables and not _request_foreign_key_exists(inspector, table_name):
+            problems.append(f"{table_name} is missing its cascading request_id foreign key")
+
+    if problems:
+        detail = "; ".join(problems)
+        raise RuntimeError(
+            "Cannot adopt the existing Scheduling v0.1.8 baseline because it is incomplete or ambiguous: "
+            f"{detail}"
+        )
+    return True
+
+
+def upgrade() -> None:
+    if _adopt_existing_baseline():
+        return
+
+    op.create_table(
+        "scheduling_requests",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=False),
+        sa.Column("title", sa.String(length=500), nullable=False),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("location", sa.String(length=500), nullable=True),
+        sa.Column("timezone", sa.String(length=100), nullable=False),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("poll_id", sa.String(length=36), nullable=True),
+        sa.Column("selected_slot_id", sa.String(length=36), nullable=True),
+        sa.Column("organizer_user_id", sa.String(length=36), nullable=True),
+        sa.Column("deadline_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("allow_external_participants", sa.Boolean(), nullable=False),
+        sa.Column("allow_participant_updates", sa.Boolean(), nullable=False),
+        sa.Column("result_visibility", sa.String(length=30), nullable=False),
+        sa.Column("calendar_integration_enabled", sa.Boolean(), nullable=False),
+        sa.Column("calendar_id", sa.String(length=36), nullable=True),
+        sa.Column("calendar_freebusy_enabled", sa.Boolean(), nullable=False),
+        sa.Column("calendar_hold_enabled", sa.Boolean(), nullable=False),
+        sa.Column("create_calendar_event_on_decision", sa.Boolean(), nullable=False),
+        sa.Column("calendar_event_id", sa.String(length=36), nullable=True),
+        sa.Column("handed_off_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("cancelled_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("metadata", sa.JSON(), 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", name=op.f("pk_scheduling_requests")),
+    )
+    op.create_index(op.f("ix_scheduling_requests_calendar_event_id"), "scheduling_requests", ["calendar_event_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_calendar_id"), "scheduling_requests", ["calendar_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_deadline_at"), "scheduling_requests", ["deadline_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_deleted_at"), "scheduling_requests", ["deleted_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_organizer_user_id"), "scheduling_requests", ["organizer_user_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_poll_id"), "scheduling_requests", ["poll_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_selected_slot_id"), "scheduling_requests", ["selected_slot_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_status"), "scheduling_requests", ["status"], unique=False)
+    op.create_index(op.f("ix_scheduling_requests_tenant_id"), "scheduling_requests", ["tenant_id"], unique=False)
+    op.create_index("ix_scheduling_requests_deadline", "scheduling_requests", ["tenant_id", "deadline_at"], unique=False)
+    op.create_index("ix_scheduling_requests_tenant_poll", "scheduling_requests", ["tenant_id", "poll_id"], unique=False)
+    op.create_index("ix_scheduling_requests_tenant_status", "scheduling_requests", ["tenant_id", "status"], unique=False)
+
+    op.create_table(
+        "scheduling_candidate_slots",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=False),
+        sa.Column("request_id", sa.String(length=36), nullable=False),
+        sa.Column("poll_option_id", sa.String(length=36), nullable=True),
+        sa.Column("label", sa.String(length=500), nullable=False),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("start_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("end_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("timezone", sa.String(length=100), nullable=False),
+        sa.Column("location", sa.String(length=500), nullable=True),
+        sa.Column("position", sa.Integer(), nullable=False),
+        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["request_id"],
+            ["scheduling_requests.id"],
+            name=op.f("fk_scheduling_candidate_slots_request_id_scheduling_requests"),
+            ondelete="CASCADE",
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_scheduling_candidate_slots")),
+    )
+    op.create_index(op.f("ix_scheduling_candidate_slots_deleted_at"), "scheduling_candidate_slots", ["deleted_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_candidate_slots_end_at"), "scheduling_candidate_slots", ["end_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_candidate_slots_poll_option_id"), "scheduling_candidate_slots", ["poll_option_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_candidate_slots_request_id"), "scheduling_candidate_slots", ["request_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_candidate_slots_start_at"), "scheduling_candidate_slots", ["start_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_candidate_slots_tenant_id"), "scheduling_candidate_slots", ["tenant_id"], unique=False)
+    op.create_index(
+        "ix_scheduling_candidate_slots_range",
+        "scheduling_candidate_slots",
+        ["tenant_id", "start_at", "end_at"],
+        unique=False,
+    )
+    op.create_index(
+        "ix_scheduling_candidate_slots_request_position",
+        "scheduling_candidate_slots",
+        ["request_id", "position"],
+        unique=False,
+    )
+
+    op.create_table(
+        "scheduling_participants",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=False),
+        sa.Column("request_id", sa.String(length=36), nullable=False),
+        sa.Column("respondent_id", sa.String(length=255), nullable=True),
+        sa.Column("display_name", sa.String(length=500), nullable=True),
+        sa.Column("email", sa.String(length=320), nullable=True),
+        sa.Column("participant_type", sa.String(length=30), nullable=False),
+        sa.Column("required", sa.Boolean(), nullable=False),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("poll_invitation_id", sa.String(length=36), nullable=True),
+        sa.Column("last_invited_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("responded_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["request_id"],
+            ["scheduling_requests.id"],
+            name=op.f("fk_scheduling_participants_request_id_scheduling_requests"),
+            ondelete="CASCADE",
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_scheduling_participants")),
+    )
+    op.create_index(op.f("ix_scheduling_participants_deleted_at"), "scheduling_participants", ["deleted_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_email"), "scheduling_participants", ["email"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_last_invited_at"), "scheduling_participants", ["last_invited_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_participant_type"), "scheduling_participants", ["participant_type"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_poll_invitation_id"), "scheduling_participants", ["poll_invitation_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_request_id"), "scheduling_participants", ["request_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_responded_at"), "scheduling_participants", ["responded_at"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_respondent_id"), "scheduling_participants", ["respondent_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_status"), "scheduling_participants", ["status"], unique=False)
+    op.create_index(op.f("ix_scheduling_participants_tenant_id"), "scheduling_participants", ["tenant_id"], unique=False)
+    op.create_index("ix_scheduling_participants_request", "scheduling_participants", ["tenant_id", "request_id"], unique=False)
+    op.create_index("ix_scheduling_participants_request_email", "scheduling_participants", ["request_id", "email"], unique=False)
+    op.create_index(
+        "ix_scheduling_participants_request_respondent",
+        "scheduling_participants",
+        ["request_id", "respondent_id"],
+        unique=False,
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("scheduling_participants")
+    op.drop_table("scheduling_candidate_slots")
+    op.drop_table("scheduling_requests")

src/govoplan_scheduling/backend/migrations/versions/4d5e6f7a8b9c_v018_scheduling_calendar_notifications.py

@@ -0,0 +1,205 @@
+"""v0.1.8 scheduling calendar integration and notification outbox
+
+Revision ID: 4d5e6f7a8b9c
+Revises: 3c4d5e6f7a8b
+Create Date: 2026-07-12 00:00:00.000000
+"""
+from __future__ import annotations
+
+from typing import Any
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "4d5e6f7a8b9c"
+down_revision = "3c4d5e6f7a8b"
+branch_labels = None
+depends_on = None
+
+
+_CALENDAR_SLOT_COLUMNS = {
+    "freebusy_checked_at",
+    "freebusy_status",
+    "freebusy_conflicts",
+    "tentative_hold_event_id",
+}
+_CALENDAR_SLOT_INDEXES = {
+    "ix_scheduling_candidate_slots_freebusy_status",
+    "ix_scheduling_candidate_slots_tentative_hold_event_id",
+}
+_NOTIFICATION_COLUMNS = {
+    "id",
+    "tenant_id",
+    "request_id",
+    "participant_id",
+    "event_kind",
+    "channel",
+    "recipient",
+    "status",
+    "payload",
+    "error",
+    "sent_at",
+    "metadata",
+    "created_at",
+    "updated_at",
+}
+_NOTIFICATION_INDEXES = {
+    "ix_scheduling_notifications_channel",
+    "ix_scheduling_notifications_event_kind",
+    "ix_scheduling_notifications_participant_id",
+    "ix_scheduling_notifications_recipient",
+    "ix_scheduling_notifications_request_id",
+    "ix_scheduling_notifications_request_status",
+    "ix_scheduling_notifications_status",
+    "ix_scheduling_notifications_tenant_id",
+    "ix_scheduling_notifications_tenant_status",
+}
+
+
+def _slot_extension_problems(inspector: Any, slot_columns: set[str]) -> list[str]:
+    problems: list[str] = []
+    missing_columns = _CALENDAR_SLOT_COLUMNS - slot_columns
+    if missing_columns:
+        problems.append(
+            "scheduling_candidate_slots missing columns: "
+            f"{', '.join(sorted(missing_columns))}"
+        )
+    indexes = {item["name"] for item in inspector.get_indexes("scheduling_candidate_slots")}
+    missing_indexes = _CALENDAR_SLOT_INDEXES - indexes
+    if missing_indexes:
+        problems.append(
+            "scheduling_candidate_slots missing indexes: "
+            f"{', '.join(sorted(missing_indexes))}"
+        )
+    return problems
+
+
+def _has_cascading_notification_request_foreign_key(inspector: Any) -> bool:
+    return any(
+        tuple(item.get("constrained_columns") or ()) == ("request_id",)
+        and item.get("referred_table") == "scheduling_requests"
+        and tuple(item.get("referred_columns") or ()) == ("id",)
+        and str((item.get("options") or {}).get("ondelete", "")).upper() == "CASCADE"
+        for item in inspector.get_foreign_keys("scheduling_notifications")
+    )
+
+
+def _notification_extension_problems(inspector: Any) -> list[str]:
+    problems: list[str] = []
+    columns = {item["name"] for item in inspector.get_columns("scheduling_notifications")}
+    missing_columns = _NOTIFICATION_COLUMNS - columns
+    if missing_columns:
+        problems.append(
+            "scheduling_notifications missing columns: "
+            f"{', '.join(sorted(missing_columns))}"
+        )
+
+    indexes = {item["name"] for item in inspector.get_indexes("scheduling_notifications")}
+    missing_indexes = _NOTIFICATION_INDEXES - indexes
+    if missing_indexes:
+        problems.append(
+            "scheduling_notifications missing indexes: "
+            f"{', '.join(sorted(missing_indexes))}"
+        )
+
+    primary_key = tuple(
+        inspector.get_pk_constraint("scheduling_notifications").get("constrained_columns") or ()
+    )
+    if primary_key != ("id",):
+        problems.append(f"scheduling_notifications has unexpected primary key: {primary_key!r}")
+    if not _has_cascading_notification_request_foreign_key(inspector):
+        problems.append("scheduling_notifications is missing its cascading request_id foreign key")
+    return problems
+
+
+def _adopt_existing_calendar_notifications() -> bool:
+    """Adopt only the complete calendar/notification extension."""
+
+    inspector = sa.inspect(op.get_bind())
+    tables = set(inspector.get_table_names())
+    if "scheduling_candidate_slots" not in tables:
+        raise RuntimeError(
+            "Cannot apply the Scheduling calendar migration because scheduling_candidate_slots is missing"
+        )
+
+    slot_columns = {item["name"] for item in inspector.get_columns("scheduling_candidate_slots")}
+    present_slot_columns = _CALENDAR_SLOT_COLUMNS.intersection(slot_columns)
+    notification_exists = "scheduling_notifications" in tables
+    if not present_slot_columns and not notification_exists:
+        return False
+
+    problems = _slot_extension_problems(inspector, slot_columns)
+    if not notification_exists:
+        problems.append("missing table: scheduling_notifications")
+    else:
+        problems.extend(_notification_extension_problems(inspector))
+
+    if problems:
+        detail = "; ".join(problems)
+        raise RuntimeError(
+            "Cannot adopt the existing Scheduling v0.1.8 calendar/notification schema because it is "
+            f"incomplete or ambiguous: {detail}"
+        )
+    return True
+
+
+def upgrade() -> None:
+    if _adopt_existing_calendar_notifications():
+        return
+
+    op.add_column("scheduling_candidate_slots", sa.Column("freebusy_checked_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("scheduling_candidate_slots", sa.Column("freebusy_status", sa.String(length=40), nullable=True))
+    op.add_column("scheduling_candidate_slots", sa.Column("freebusy_conflicts", sa.JSON(), nullable=False, server_default="[]"))
+    op.add_column("scheduling_candidate_slots", sa.Column("tentative_hold_event_id", sa.String(length=36), nullable=True))
+    op.create_index(op.f("ix_scheduling_candidate_slots_freebusy_status"), "scheduling_candidate_slots", ["freebusy_status"], unique=False)
+    op.create_index(
+        op.f("ix_scheduling_candidate_slots_tentative_hold_event_id"),
+        "scheduling_candidate_slots",
+        ["tentative_hold_event_id"],
+        unique=False,
+    )
+
+    op.create_table(
+        "scheduling_notifications",
+        sa.Column("id", sa.String(length=36), nullable=False),
+        sa.Column("tenant_id", sa.String(length=36), nullable=False),
+        sa.Column("request_id", sa.String(length=36), nullable=False),
+        sa.Column("participant_id", sa.String(length=36), nullable=True),
+        sa.Column("event_kind", sa.String(length=40), nullable=False),
+        sa.Column("channel", sa.String(length=40), nullable=False),
+        sa.Column("recipient", sa.String(length=500), nullable=True),
+        sa.Column("status", sa.String(length=40), nullable=False),
+        sa.Column("payload", sa.JSON(), nullable=False),
+        sa.Column("error", sa.Text(), nullable=True),
+        sa.Column("sent_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("metadata", sa.JSON(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.ForeignKeyConstraint(
+            ["request_id"],
+            ["scheduling_requests.id"],
+            name=op.f("fk_scheduling_notifications_request_id_scheduling_requests"),
+            ondelete="CASCADE",
+        ),
+        sa.PrimaryKeyConstraint("id", name=op.f("pk_scheduling_notifications")),
+    )
+    op.create_index(op.f("ix_scheduling_notifications_channel"), "scheduling_notifications", ["channel"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_event_kind"), "scheduling_notifications", ["event_kind"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_participant_id"), "scheduling_notifications", ["participant_id"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_recipient"), "scheduling_notifications", ["recipient"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_request_id"), "scheduling_notifications", ["request_id"], unique=False)
+    op.create_index("ix_scheduling_notifications_request_status", "scheduling_notifications", ["request_id", "status"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_status"), "scheduling_notifications", ["status"], unique=False)
+    op.create_index(op.f("ix_scheduling_notifications_tenant_id"), "scheduling_notifications", ["tenant_id"], unique=False)
+    op.create_index("ix_scheduling_notifications_tenant_status", "scheduling_notifications", ["tenant_id", "status"], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_table("scheduling_notifications")
+    op.drop_index(op.f("ix_scheduling_candidate_slots_tentative_hold_event_id"), table_name="scheduling_candidate_slots")
+    op.drop_index(op.f("ix_scheduling_candidate_slots_freebusy_status"), table_name="scheduling_candidate_slots")
+    op.drop_column("scheduling_candidate_slots", "tentative_hold_event_id")
+    op.drop_column("scheduling_candidate_slots", "freebusy_conflicts")
+    op.drop_column("scheduling_candidate_slots", "freebusy_status")
+    op.drop_column("scheduling_candidate_slots", "freebusy_checked_at")

src/govoplan_scheduling/backend/migrations/versions/9c2f4a7d1e6b_v019_scheduling_participant_visibility.py

@@ -0,0 +1,43 @@
+"""v0.1.9 scheduling participant visibility
+
+Revision ID: 9c2f4a7d1e6b
+Revises: 4d5e6f7a8b9c
+Create Date: 2026-07-20 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "9c2f4a7d1e6b"
+down_revision = "4d5e6f7a8b9c"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    columns = {item["name"]: item for item in inspector.get_columns("scheduling_requests")}
+    existing = columns.get("participant_visibility")
+    if existing is not None:
+        column_type = existing["type"]
+        if existing.get("nullable") or not isinstance(column_type, sa.String) or column_type.length != 32:
+            raise RuntimeError(
+                "Cannot adopt scheduling_requests.participant_visibility because its schema is unexpected"
+            )
+        return
+
+    op.add_column(
+        "scheduling_requests",
+        sa.Column(
+            "participant_visibility",
+            sa.String(length=32),
+            nullable=False,
+            server_default="aggregates_only",
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("scheduling_requests", "participant_visibility")

src/govoplan_scheduling/backend/migrations/versions/__init__.py

@@ -0,0 +1 @@
+from __future__ import annotations

src/govoplan_scheduling/backend/migrations/versions/ad7e3c9b2f10_v0110_scheduling_response_settings.py

@@ -0,0 +1,168 @@
+"""v0.1.10 scheduling response settings
+
+Revision ID: ad7e3c9b2f10
+Revises: 9c2f4a7d1e6b
+Create Date: 2026-07-21 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "ad7e3c9b2f10"
+down_revision = "9c2f4a7d1e6b"
+branch_labels = None
+depends_on = None
+
+
+_REQUEST_COLUMNS = (
+    "notify_on_answers",
+    "single_choice",
+    "max_participants_per_option",
+    "allow_maybe",
+    "allow_comments",
+    "participant_email_required",
+    "anonymous_password_protection_enabled",
+    "anonymous_password_hash",
+)
+
+
+def _adopted_columns(inspector: sa.Inspector, table_name: str, names: tuple[str, ...]) -> bool:
+    columns = {item["name"]: item for item in inspector.get_columns(table_name)}
+    present = [name for name in names if name in columns]
+    if not present:
+        return False
+    if len(present) != len(names):
+        missing = sorted(set(names) - set(present))
+        raise RuntimeError(
+            f"Cannot adopt partial {table_name} scheduling response settings; missing columns: "
+            + ", ".join(missing)
+        )
+    return True
+
+
+def _require_compatible_adopted_schema(inspector: sa.Inspector) -> None:
+    request_columns = {
+        item["name"]: item
+        for item in inspector.get_columns("scheduling_requests")
+    }
+    for name in (
+        "notify_on_answers",
+        "single_choice",
+        "allow_maybe",
+        "allow_comments",
+        "participant_email_required",
+        "anonymous_password_protection_enabled",
+    ):
+        column = request_columns[name]
+        if column.get("nullable") or not isinstance(column["type"], sa.Boolean):
+            raise RuntimeError(
+                f"Cannot adopt scheduling_requests.{name} because its schema is unexpected"
+            )
+    capacity = request_columns["max_participants_per_option"]
+    if not capacity.get("nullable") or not isinstance(capacity["type"], sa.Integer):
+        raise RuntimeError(
+            "Cannot adopt scheduling_requests.max_participants_per_option because its schema is unexpected"
+        )
+    password_hash = request_columns["anonymous_password_hash"]
+    if (
+        not password_hash.get("nullable")
+        or not isinstance(password_hash["type"], sa.String)
+        or password_hash["type"].length != 500
+    ):
+        raise RuntimeError(
+            "Cannot adopt scheduling_requests.anonymous_password_hash because its schema is unexpected"
+        )
+    participant_columns = {
+        item["name"]: item
+        for item in inspector.get_columns("scheduling_participants")
+    }
+    comment = participant_columns["response_comment"]
+    if not comment.get("nullable") or not isinstance(comment["type"], sa.Text):
+        raise RuntimeError(
+            "Cannot adopt scheduling_participants.response_comment because its schema is unexpected"
+        )
+    gateway = participant_columns["participation_gateway"]
+    if (
+        not gateway.get("nullable")
+        or not isinstance(gateway["type"], sa.String)
+        or gateway["type"].length != 40
+    ):
+        raise RuntimeError(
+            "Cannot adopt scheduling_participants.participation_gateway because its schema is unexpected"
+        )
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    request_columns_present = _adopted_columns(
+        inspector,
+        "scheduling_requests",
+        _REQUEST_COLUMNS,
+    )
+    participant_columns_present = _adopted_columns(
+        inspector,
+        "scheduling_participants",
+        ("response_comment", "participation_gateway"),
+    )
+    if request_columns_present != participant_columns_present:
+        raise RuntimeError(
+            "Cannot adopt partial scheduling response settings across request and participant tables"
+        )
+    if request_columns_present:
+        _require_compatible_adopted_schema(inspector)
+        return
+
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("notify_on_answers", sa.Boolean(), nullable=False, server_default=sa.true()),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("single_choice", sa.Boolean(), nullable=False, server_default=sa.false()),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("max_participants_per_option", sa.Integer(), nullable=True),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("allow_maybe", sa.Boolean(), nullable=False, server_default=sa.true()),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("allow_comments", sa.Boolean(), nullable=False, server_default=sa.false()),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("participant_email_required", sa.Boolean(), nullable=False, server_default=sa.false()),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column(
+            "anonymous_password_protection_enabled",
+            sa.Boolean(),
+            nullable=False,
+            server_default=sa.false(),
+        ),
+    )
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("anonymous_password_hash", sa.String(length=500), nullable=True),
+    )
+    op.add_column(
+        "scheduling_participants",
+        sa.Column("response_comment", sa.Text(), nullable=True),
+    )
+    op.add_column(
+        "scheduling_participants",
+        sa.Column("participation_gateway", sa.String(length=40), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("scheduling_participants", "participation_gateway")
+    op.drop_column("scheduling_participants", "response_comment")
+    for name in reversed(_REQUEST_COLUMNS):
+        op.drop_column("scheduling_requests", name)

src/govoplan_scheduling/backend/migrations/versions/be8f4d2c1a70_v0110_scheduling_participation_gateway_repair.py

@@ -0,0 +1,65 @@
+"""v0.1.10 scheduling participation gateway schema repair
+
+Revision ID: be8f4d2c1a70
+Revises: ad7e3c9b2f10
+Create Date: 2026-07-22 00:00:00.000000
+
+Some development databases were stamped at ``ad7e3c9b2f10`` before the
+``scheduling_participants.participation_gateway`` column was present.  A
+forward repair is required because Alembic correctly does not replay an
+already-recorded revision.  The column is nullable, so adding it preserves all
+existing participant rows without inventing gateway ownership for legacy
+invitations.
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "be8f4d2c1a70"
+down_revision = "ad7e3c9b2f10"
+branch_labels = None
+depends_on = None
+
+
+def _require_compatible_column(column: dict[str, object]) -> None:
+    column_type = column["type"]
+    if (
+        not column.get("nullable")
+        or not isinstance(column_type, sa.String)
+        or column_type.length != 40
+    ):
+        raise RuntimeError(
+            "Cannot adopt scheduling_participants.participation_gateway "
+            "because its schema is unexpected"
+        )
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    if "scheduling_participants" not in inspector.get_table_names():
+        raise RuntimeError(
+            "Cannot repair Scheduling participation gateways because "
+            "scheduling_participants is missing"
+        )
+
+    columns = {
+        item["name"]: item
+        for item in inspector.get_columns("scheduling_participants")
+    }
+    existing = columns.get("participation_gateway")
+    if existing is not None:
+        _require_compatible_column(existing)
+        return
+
+    op.add_column(
+        "scheduling_participants",
+        sa.Column("participation_gateway", sa.String(length=40), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    # ad7e3c9b2f10 already owns this column in the canonical schema.  The repair
+    # revision must therefore not remove it when returning to that revision.
+    pass

src/govoplan_scheduling/backend/migrations/versions/c9d4e7f1a2b3_v0111_scheduling_cancellation_notice.py

@@ -0,0 +1,43 @@
+"""v0.1.11 bounded scheduling cancellation notice
+
+Revision ID: c9d4e7f1a2b3
+Revises: be8f4d2c1a70
+Create Date: 2026-07-22 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "c9d4e7f1a2b3"
+down_revision = "be8f4d2c1a70"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    columns = {
+        item["name"]: item
+        for item in inspector.get_columns("scheduling_requests")
+    }
+    existing = columns.get("cancellation_notice_until")
+    if existing is not None:
+        if (
+            not existing.get("nullable")
+            or not isinstance(existing["type"], sa.DateTime)
+        ):
+            raise RuntimeError(
+                "Cannot adopt scheduling_requests.cancellation_notice_until "
+                "because its schema is unexpected"
+            )
+        return
+    op.add_column(
+        "scheduling_requests",
+        sa.Column("cancellation_notice_until", sa.DateTime(timezone=True), nullable=True),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("scheduling_requests", "cancellation_notice_until")

src/govoplan_scheduling/backend/router.py

@@ -0,0 +1,851 @@
+from __future__ import annotations
+
+from typing import Any
+
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response, status
+from sqlalchemy.orm import Session
+
+from govoplan_core.audit.logging import audit_event
+from govoplan_core.auth import ApiPrincipal, get_api_principal, has_scope
+from govoplan_core.core.calendar import CALENDAR_AVAILABILITY_READ_SCOPE, CALENDAR_EVENT_WRITE_SCOPE
+from govoplan_core.core.people import search_visible_people
+from govoplan_core.db.session import get_session
+from govoplan_scheduling.backend.manifest import ADMIN_SCOPE, READ_SCOPE, RESPOND_SCOPE, WRITE_SCOPE
+from govoplan_scheduling.backend.schemas import (
+    SchedulingAvailabilityResponse,
+    SchedulingAvailabilityResponseRequest,
+    SchedulingCalendarActionResponse,
+    SchedulingCandidateSlotUpdateRequest,
+    SchedulingDecisionRequest,
+    SchedulingInvitationActionRequest,
+    SchedulingInvitationActionResponse,
+    SchedulingInvitationRevokeRequest,
+    SchedulingNotificationCreateRequest,
+    SchedulingNotificationListResponse,
+    SchedulingNotificationResponse,
+    SchedulingPeopleSearchCandidate,
+    SchedulingPeopleSearchGroup,
+    SchedulingPeopleSearchResponse,
+    SchedulingRequestCreateRequest,
+    SchedulingRequestListResponse,
+    SchedulingRequestResponse,
+    SchedulingRequestUpdateRequest,
+    SchedulingPollSummaryResponse,
+    SchedulingPublicParticipationAccessRequest,
+    SchedulingPublicParticipationResponse,
+    SchedulingPublicParticipationSubmitRequest,
+    SchedulingStatusResponse,
+    SchedulingSummaryResponse,
+)
+from govoplan_scheduling.backend.runtime import get_registry
+from govoplan_scheduling.backend.service import (
+    SchedulingConflictError,
+    SchedulingError,
+    SchedulingPermissionError,
+    SchedulingPublicParticipationError,
+    cancel_scheduling_request,
+    close_scheduling_request,
+    create_final_calendar_event,
+    create_scheduling_notification_jobs,
+    create_scheduling_request,
+    create_tentative_calendar_holds,
+    decide_scheduling_request,
+    evaluate_calendar_freebusy,
+    get_scheduling_request,
+    get_scheduling_availability_response,
+    get_public_scheduling_participation,
+    get_visible_scheduling_request,
+    list_visible_scheduling_notifications,
+    list_visible_scheduling_requests,
+    issue_scheduling_participant_invitation,
+    open_scheduling_request,
+    refresh_participant_response_state,
+    require_visible_scheduling_results,
+    revoke_scheduling_participant_invitation,
+    scheduling_notification_response,
+    scheduling_request_response,
+    scheduling_request_summary,
+    submit_scheduling_availability,
+    submit_public_scheduling_participation,
+    update_scheduling_candidate_slot,
+    update_scheduling_request_with_change_log,
+)
+
+
+router = APIRouter(prefix="/scheduling", tags=["scheduling"])
+
+
+def _require_scope(principal: ApiPrincipal, scope: str) -> None:
+    if not has_scope(principal, scope):
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=f"Missing scope: {scope}")
+
+
+def _principal_actor_ids(principal: ApiPrincipal) -> tuple[str, ...]:
+    candidates = (
+        principal.account_id,
+        principal.membership_id,
+        getattr(principal.user, "id", None),
+        principal.identity_id,
+        principal.principal.service_account_id,
+        principal.email,
+    )
+    return tuple(dict.fromkeys(str(value) for value in candidates if value))
+
+
+def _can_manage_scheduling(principal: ApiPrincipal) -> bool:
+    return has_scope(principal, ADMIN_SCOPE)
+
+
+def _require_scheduling_writer(principal: ApiPrincipal) -> None:
+    if has_scope(principal, WRITE_SCOPE) or has_scope(principal, ADMIN_SCOPE):
+        return
+    raise HTTPException(
+        status_code=status.HTTP_403_FORBIDDEN,
+        detail=f"Missing scope: {WRITE_SCOPE} or {ADMIN_SCOPE}",
+    )
+
+
+def _require_request_editor(
+    session: Session,
+    *,
+    principal: ApiPrincipal,
+    request_id: str,
+) -> None:
+    _require_scheduling_writer(principal)
+    if has_scope(principal, ADMIN_SCOPE):
+        return
+    try:
+        request = get_scheduling_request(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    if request.organizer_user_id not in _principal_actor_ids(principal):
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Only the organizer or a scheduling administrator can edit this request",
+        )
+
+
+def _scheduling_http_error(exc: SchedulingError) -> HTTPException:
+    if isinstance(exc, SchedulingConflictError):
+        return HTTPException(status_code=status.HTTP_409_CONFLICT, detail=str(exc))
+    if isinstance(exc, SchedulingPermissionError):
+        return HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=str(exc))
+    if str(exc) == "Scheduling request not found":
+        return HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc))
+    if str(exc) == "Scheduling results are not visible":
+        return HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=str(exc))
+    return HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc))
+
+
+def _public_participation_http_error(
+    exc: SchedulingPublicParticipationError,
+) -> HTTPException:
+    if exc.retry_after_seconds:
+        return HTTPException(
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+            detail=str(exc),
+            headers={"Retry-After": str(exc.retry_after_seconds)},
+        )
+    return HTTPException(
+        status_code=status.HTTP_404_NOT_FOUND,
+        detail=str(exc),
+    )
+
+
+def _client_address(request: Request) -> str | None:
+    return request.client.host if request.client is not None else None
+
+
+def _set_sensitive_response_headers(response: Response) -> None:
+    response.headers["Cache-Control"] = "no-store, private"
+    response.headers["Pragma"] = "no-cache"
+    response.headers["Referrer-Policy"] = "no-referrer"
+
+
+def _audit_invitation_action(
+    session: Session,
+    *,
+    principal: ApiPrincipal,
+    request_id: str,
+    participant_id: str,
+    action: str,
+    details: dict[str, Any],
+) -> None:
+    audit_event(
+        session,
+        tenant_id=principal.tenant_id,
+        user_id=(getattr(principal.user, "id", None) or principal.account_id),
+        api_key_id=principal.api_key_id,
+        action=action,
+        object_type="scheduling_request",
+        object_id=request_id,
+        details={"participant_id": participant_id, **details},
+    )
+
+
+def _request_response(
+    request,
+    *,
+    principal: ApiPrincipal,
+) -> SchedulingRequestResponse:
+    return SchedulingRequestResponse.model_validate(
+        scheduling_request_response(
+            request,
+            actor_ids=_principal_actor_ids(principal),
+            actor_user_id=principal.account_id,
+            can_manage=_can_manage_scheduling(principal),
+        )
+    )
+
+
+@router.post(
+    "/public/{request_id}/{token}",
+    response_model=SchedulingPublicParticipationResponse,
+)
+def api_get_public_scheduling_participation(
+    request_id: str,
+    token: str,
+    payload: SchedulingPublicParticipationAccessRequest,
+    request: Request,
+    session: Session = Depends(get_session),
+) -> SchedulingPublicParticipationResponse:
+    try:
+        response = get_public_scheduling_participation(
+            session,
+            request_id=request_id,
+            token=token,
+            payload=payload,
+            client_address=_client_address(request),
+        )
+    except SchedulingPublicParticipationError as exc:
+        raise _public_participation_http_error(exc) from exc
+    return SchedulingPublicParticipationResponse.model_validate(response)
+
+
+@router.post(
+    "/public/{request_id}/{token}/responses",
+    response_model=SchedulingPublicParticipationResponse,
+)
+def api_submit_public_scheduling_participation(
+    request_id: str,
+    token: str,
+    payload: SchedulingPublicParticipationSubmitRequest,
+    request: Request,
+    session: Session = Depends(get_session),
+) -> SchedulingPublicParticipationResponse:
+    try:
+        response = submit_public_scheduling_participation(
+            session,
+            request_id=request_id,
+            token=token,
+            payload=payload,
+            client_address=_client_address(request),
+        )
+    except SchedulingPublicParticipationError as exc:
+        raise _public_participation_http_error(exc) from exc
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    validated = SchedulingPublicParticipationResponse.model_validate(response)
+    session.commit()
+    return validated
+
+
+@router.get("/people", response_model=SchedulingPeopleSearchResponse)
+def api_search_scheduling_people(
+    query: str = Query(min_length=1),
+    limit: int = Query(default=25, ge=1, le=100),
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingPeopleSearchResponse:
+    _require_scheduling_writer(principal)
+    groups = search_visible_people(
+        get_registry(),
+        session,
+        principal,
+        query=query,
+        limit=limit,
+    )
+    return SchedulingPeopleSearchResponse(
+        groups=[
+            SchedulingPeopleSearchGroup(
+                key=group.key,
+                label=group.label,
+                candidates=[
+                    SchedulingPeopleSearchCandidate(
+                        selection_key=candidate.selection_key,
+                        kind=candidate.kind,
+                        reference_id=candidate.reference_id,
+                        display_name=candidate.display_name,
+                        email=candidate.email,
+                        source_module=candidate.source_module,
+                        source_label=candidate.source_label,
+                        source_revision=candidate.source_revision,
+                        description=candidate.description,
+                    )
+                    for candidate in group.candidates
+                ],
+            )
+            for group in groups
+        ]
+    )
+
+
+@router.get("/requests", response_model=SchedulingRequestListResponse)
+def api_list_scheduling_requests(
+    status_filter: str | None = Query(default=None, alias="status"),
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingRequestListResponse:
+    _require_scope(principal, READ_SCOPE)
+    requests = list_visible_scheduling_requests(
+        session,
+        tenant_id=principal.tenant_id,
+        actor_ids=_principal_actor_ids(principal),
+        can_manage=_can_manage_scheduling(principal),
+        status=status_filter,
+    )
+    actor_ids = _principal_actor_ids(principal)
+    for request in requests:
+        refresh_participant_response_state(
+            session,
+            request=request,
+            actor_ids=actor_ids,
+        )
+    response = SchedulingRequestListResponse(
+        requests=[_request_response(request, principal=principal) for request in requests]
+    )
+    # Poll responses are authoritative, while Scheduling keeps a durable
+    # participant projection used by its task-oriented list.
+    session.commit()
+    return response
+
+
+@router.post("/requests", response_model=SchedulingRequestResponse, status_code=status.HTTP_201_CREATED)
+def api_create_scheduling_request(
+    payload: SchedulingRequestCreateRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingRequestResponse:
+    _require_scheduling_writer(principal)
+    try:
+        request, _invitation_tokens = create_scheduling_request(
+            session,
+            tenant_id=principal.tenant_id,
+            user_id=principal.account_id,
+            payload=payload,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = _request_response(request, principal=principal)
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/responses", response_model=SchedulingStatusResponse)
+def api_submit_scheduling_availability(
+    request_id: str,
+    payload: SchedulingAvailabilityResponseRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingStatusResponse:
+    _require_scope(principal, RESPOND_SCOPE)
+    try:
+        request = submit_scheduling_availability(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            actor_ids=_principal_actor_ids(principal),
+            respondent_id=principal.account_id,
+            respondent_label=principal.display_name or principal.email,
+            payload=payload,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingStatusResponse(
+        request=_request_response(request, principal=principal)
+    )
+    session.commit()
+    return response
+
+
+@router.get("/requests/{request_id}/responses/me", response_model=SchedulingAvailabilityResponse)
+def api_get_my_scheduling_availability(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingAvailabilityResponse:
+    _require_scope(principal, RESPOND_SCOPE)
+    try:
+        response = get_scheduling_availability_response(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            actor_ids=_principal_actor_ids(principal),
+            respondent_id=principal.account_id,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    return SchedulingAvailabilityResponse.model_validate(response)
+
+
+@router.get("/requests/{request_id}", response_model=SchedulingRequestResponse)
+def api_get_scheduling_request(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingRequestResponse:
+    _require_scope(principal, READ_SCOPE)
+    try:
+        request = get_visible_scheduling_request(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            actor_ids=_principal_actor_ids(principal),
+            can_manage=_can_manage_scheduling(principal),
+        )
+        refresh_participant_response_state(
+            session,
+            request=request,
+            actor_ids=_principal_actor_ids(principal),
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = _request_response(request, principal=principal)
+    session.commit()
+    return response
+
+
+@router.patch("/requests/{request_id}", response_model=SchedulingRequestResponse)
+def api_update_scheduling_request(
+    request_id: str,
+    payload: SchedulingRequestUpdateRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingRequestResponse:
+    _require_request_editor(
+        session,
+        principal=principal,
+        request_id=request_id,
+    )
+    try:
+        request, participant_mutations = update_scheduling_request_with_change_log(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            payload=payload,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    for mutation in participant_mutations:
+        _audit_invitation_action(
+            session,
+            principal=principal,
+            request_id=request_id,
+            participant_id=mutation.participant_id,
+            action=mutation.action,
+            details={
+                "replacement_participant_id": mutation.replacement_participant_id,
+                "changed_fields": list(mutation.changed_fields),
+                "invitation_revoked": mutation.invitation_revoked,
+                "retired_response_count": mutation.retired_response_count,
+                "notification_id": mutation.notification_id,
+            },
+        )
+    response = _request_response(request, principal=principal)
+    session.commit()
+    return response
+
+
+@router.post(
+    "/requests/{request_id}/participants/{participant_id}/invitation",
+    response_model=SchedulingInvitationActionResponse,
+)
+def api_issue_scheduling_participant_invitation(
+    request_id: str,
+    participant_id: str,
+    payload: SchedulingInvitationActionRequest,
+    response: Response,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingInvitationActionResponse:
+    _require_request_editor(
+        session,
+        principal=principal,
+        request_id=request_id,
+    )
+    try:
+        result = issue_scheduling_participant_invitation(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            participant_id=participant_id,
+            participant_revision=payload.participant_revision,
+            action=payload.action,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    audit_details = {
+        "request_status": result.request.status,
+        "delivery_action": payload.action,
+        "replaced_existing": result.replaced_existing,
+    }
+    _audit_invitation_action(
+        session,
+        principal=principal,
+        request_id=request_id,
+        participant_id=participant_id,
+        action="scheduling.invitation_issued",
+        details=audit_details,
+    )
+    _audit_invitation_action(
+        session,
+        principal=principal,
+        request_id=request_id,
+        participant_id=participant_id,
+        action=(
+            "scheduling.invitation_copied"
+            if payload.action == "copy"
+            else "scheduling.invitation_send_requested"
+        ),
+        details={
+            **audit_details,
+            "notification_id": (
+                result.notification.id if result.notification is not None else None
+            ),
+            "notification_status": result.status,
+        },
+    )
+    validated = SchedulingInvitationActionResponse(
+        participant_id=result.participant.id,
+        action=payload.action,
+        status=result.status,
+        action_url=result.action_url,
+        issued_at=result.participant.last_invited_at,
+        notification=(
+            SchedulingNotificationResponse.model_validate(
+                scheduling_notification_response(result.notification)
+            )
+            if result.notification is not None
+            else None
+        ),
+    )
+    _set_sensitive_response_headers(response)
+    session.commit()
+    return validated
+
+
+@router.delete(
+    "/requests/{request_id}/participants/{participant_id}/invitation",
+    response_model=SchedulingInvitationActionResponse,
+)
+def api_revoke_scheduling_participant_invitation(
+    request_id: str,
+    participant_id: str,
+    payload: SchedulingInvitationRevokeRequest,
+    response: Response,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingInvitationActionResponse:
+    _require_request_editor(
+        session,
+        principal=principal,
+        request_id=request_id,
+    )
+    try:
+        result = revoke_scheduling_participant_invitation(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            participant_id=participant_id,
+            participant_revision=payload.participant_revision,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    _audit_invitation_action(
+        session,
+        principal=principal,
+        request_id=request_id,
+        participant_id=participant_id,
+        action="scheduling.invitation_revoked",
+        details={
+            "request_status": result.request.status,
+            "replayed": result.replayed,
+        },
+    )
+    validated = SchedulingInvitationActionResponse(
+        participant_id=result.participant.id,
+        action="revoke",
+        status=result.status,
+        replayed=result.replayed,
+    )
+    _set_sensitive_response_headers(response)
+    session.commit()
+    return validated
+
+
+@router.patch("/requests/{request_id}/slots/{slot_id}", response_model=SchedulingRequestResponse)
+def api_update_scheduling_candidate_slot(
+    request_id: str,
+    slot_id: str,
+    payload: SchedulingCandidateSlotUpdateRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingRequestResponse:
+    _require_request_editor(
+        session,
+        principal=principal,
+        request_id=request_id,
+    )
+    try:
+        request = update_scheduling_candidate_slot(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            slot_id=slot_id,
+            payload=payload,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = _request_response(request, principal=principal)
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/open", response_model=SchedulingStatusResponse)
+def api_open_scheduling_request(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingStatusResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    try:
+        request = open_scheduling_request(session, tenant_id=principal.tenant_id, request_id=request_id)
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingStatusResponse(request=_request_response(request, principal=principal))
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/close", response_model=SchedulingStatusResponse)
+def api_close_scheduling_request(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingStatusResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    try:
+        request = close_scheduling_request(session, tenant_id=principal.tenant_id, request_id=request_id)
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingStatusResponse(request=_request_response(request, principal=principal))
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/decide", response_model=SchedulingStatusResponse)
+def api_decide_scheduling_request(
+    request_id: str,
+    payload: SchedulingDecisionRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingStatusResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    try:
+        request = decide_scheduling_request(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            payload=payload,
+            user_id=principal.account_id,
+            allow_calendar_handoff=has_scope(
+                principal,
+                CALENDAR_EVENT_WRITE_SCOPE,
+            ),
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingStatusResponse(request=_request_response(request, principal=principal))
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/calendar/freebusy", response_model=SchedulingCalendarActionResponse)
+def api_evaluate_calendar_freebusy(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingCalendarActionResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    _require_scope(principal, CALENDAR_AVAILABILITY_READ_SCOPE)
+    try:
+        request, warnings = evaluate_calendar_freebusy(session, tenant_id=principal.tenant_id, request_id=request_id)
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingCalendarActionResponse(
+        request=_request_response(request, principal=principal),
+        updated_slot_ids=[slot.id for slot in request.slots if slot.freebusy_checked_at is not None],
+        warnings=warnings,
+    )
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/calendar/holds", response_model=SchedulingCalendarActionResponse)
+def api_create_tentative_calendar_holds(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingCalendarActionResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    _require_scope(principal, CALENDAR_EVENT_WRITE_SCOPE)
+    try:
+        request, created_event_ids, warnings = create_tentative_calendar_holds(
+            session,
+            tenant_id=principal.tenant_id,
+            user_id=principal.account_id,
+            request_id=request_id,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingCalendarActionResponse(
+        request=_request_response(request, principal=principal),
+        created_event_ids=created_event_ids,
+        updated_slot_ids=[slot.id for slot in request.slots if slot.tentative_hold_event_id in created_event_ids],
+        warnings=warnings,
+    )
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/calendar/event", response_model=SchedulingCalendarActionResponse)
+def api_create_final_calendar_event(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingCalendarActionResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    _require_scope(principal, CALENDAR_EVENT_WRITE_SCOPE)
+    try:
+        request, event_id, warnings = create_final_calendar_event(
+            session,
+            tenant_id=principal.tenant_id,
+            user_id=principal.account_id,
+            request_id=request_id,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingCalendarActionResponse(
+        request=_request_response(request, principal=principal),
+        created_event_ids=[event_id] if event_id else [],
+        warnings=warnings,
+    )
+    session.commit()
+    return response
+
+
+@router.post("/requests/{request_id}/cancel", response_model=SchedulingStatusResponse)
+def api_cancel_scheduling_request(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingStatusResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    try:
+        request = cancel_scheduling_request(session, tenant_id=principal.tenant_id, request_id=request_id)
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingStatusResponse(request=_request_response(request, principal=principal))
+    session.commit()
+    return response
+
+
+@router.get("/requests/{request_id}/summary", response_model=SchedulingSummaryResponse)
+def api_scheduling_summary(
+    request_id: str,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingSummaryResponse:
+    _require_scope(principal, READ_SCOPE)
+    try:
+        request = get_visible_scheduling_request(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            actor_ids=_principal_actor_ids(principal),
+            can_manage=_can_manage_scheduling(principal),
+        )
+        require_visible_scheduling_results(
+            session,
+            request=request,
+            actor_ids=_principal_actor_ids(principal),
+            can_manage=_can_manage_scheduling(principal),
+        )
+        summary = scheduling_request_summary(session, tenant_id=principal.tenant_id, request_id=request_id)
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingSummaryResponse(
+        request=_request_response(request, principal=principal),
+        poll_summary=SchedulingPollSummaryResponse.model_validate(summary),
+    )
+    # Refreshing the summary synchronizes participant response state and can
+    # enqueue response notifications, so persist that work before teardown.
+    session.commit()
+    return response
+
+
+@router.get("/notifications", response_model=SchedulingNotificationListResponse)
+def api_list_scheduling_notifications(
+    request_id: str | None = None,
+    status_filter: str | None = Query(default=None, alias="status"),
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingNotificationListResponse:
+    _require_scope(principal, READ_SCOPE)
+    notifications = list_visible_scheduling_notifications(
+        session,
+        tenant_id=principal.tenant_id,
+        actor_ids=_principal_actor_ids(principal),
+        can_manage=_can_manage_scheduling(principal),
+        request_id=request_id,
+        status=status_filter,
+    )
+    return SchedulingNotificationListResponse(
+        notifications=[
+            SchedulingNotificationResponse.model_validate(scheduling_notification_response(notification))
+            for notification in notifications
+        ]
+    )
+
+
+@router.post("/requests/{request_id}/notifications", response_model=SchedulingNotificationListResponse)
+def api_create_scheduling_notifications(
+    request_id: str,
+    payload: SchedulingNotificationCreateRequest,
+    session: Session = Depends(get_session),
+    principal: ApiPrincipal = Depends(get_api_principal),
+) -> SchedulingNotificationListResponse:
+    _require_request_editor(session, principal=principal, request_id=request_id)
+    try:
+        notifications = create_scheduling_notification_jobs(
+            session,
+            tenant_id=principal.tenant_id,
+            request_id=request_id,
+            event_kind=payload.event_kind,
+            channel=payload.channel,
+            metadata=payload.metadata,
+        )
+    except SchedulingError as exc:
+        raise _scheduling_http_error(exc) from exc
+    response = SchedulingNotificationListResponse(
+        notifications=[
+            SchedulingNotificationResponse.model_validate(scheduling_notification_response(notification))
+            for notification in notifications
+        ]
+    )
+    session.commit()
+    return response

src/govoplan_scheduling/backend/runtime.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+_runtime_registry: object | None = None
+_runtime_settings: object | None = None
+
+
+def configure_runtime(*, registry: object | None = None, settings: object | None = None) -> None:
+    global _runtime_registry, _runtime_settings
+    if registry is not None:
+        _runtime_registry = registry
+    if settings is not None:
+        _runtime_settings = settings
+
+
+def get_registry() -> object | None:
+    return _runtime_registry
+
+
+def get_settings() -> object | None:
+    return _runtime_settings

src/govoplan_scheduling/backend/schemas.py

@@ -0,0 +1,584 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, Literal
+from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
+
+from pydantic import AwareDatetime, BaseModel, ConfigDict, Field, SecretStr, field_validator, model_validator
+
+
+SchedulingStatus = Literal["draft", "collecting", "closed", "decided", "handed_off", "cancelled", "archived"]
+SchedulingParticipantType = Literal["internal", "external", "resource"]
+SchedulingParticipantStatus = Literal["draft", "invited", "responded", "declined", "removed"]
+SchedulingResultVisibility = Literal["organizer", "after_response", "after_close", "public"]
+SchedulingAvailabilityValue = Literal["available", "maybe", "unavailable"]
+SchedulingParticipantVisibility = Literal["aggregates_only", "names_and_statuses"]
+
+
+def _known_timezone(value: str | None) -> str | None:
+    if value is None:
+        return None
+    try:
+        ZoneInfo(value)
+    except ZoneInfoNotFoundError as exc:
+        raise ValueError("timezone must be a valid IANA timezone") from exc
+    return value
+
+
+def _participant_email(value: str | None) -> str | None:
+    if value is None:
+        return None
+    normalized = value.strip().casefold()
+    if not normalized:
+        return None
+    local, separator, domain = normalized.partition("@")
+    if (
+        separator != "@"
+        or not local
+        or not domain
+        or "@" in domain
+        or any(character.isspace() for character in normalized)
+    ):
+        raise ValueError("participant_email must be a valid email address")
+    return normalized
+
+
+class SchedulingCalendarPreferences(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    enabled: bool = False
+    calendar_id: str | None = Field(default=None, max_length=36)
+    freebusy_enabled: bool = False
+    tentative_holds_enabled: bool = False
+    create_event_on_decision: bool = False
+
+
+class SchedulingCandidateSlotInput(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    label: str | None = Field(default=None, max_length=500)
+    description: str | None = None
+    start_at: AwareDatetime
+    end_at: AwareDatetime
+    timezone: str | None = Field(default=None, max_length=100)
+    location: str | None = Field(default=None, max_length=500)
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+    _validate_timezone = field_validator("timezone")(_known_timezone)
+
+    @model_validator(mode="after")
+    def validate_range(self) -> "SchedulingCandidateSlotInput":
+        if self.end_at <= self.start_at:
+            raise ValueError("end_at must be after start_at")
+        return self
+
+
+class SchedulingCandidateSlotUpdateRequest(BaseModel):
+    """Partial update of one candidate slot.
+
+    A semantic option change invalidates existing answers for this slot in the
+    backing Poll. Exact repeats are safe no-ops.
+    """
+
+    model_config = ConfigDict(extra="forbid")
+
+    label: str | None = Field(default=None, min_length=1, max_length=500)
+    description: str | None = None
+    start_at: AwareDatetime | None = None
+    end_at: AwareDatetime | None = None
+    timezone: str | None = Field(default=None, min_length=1, max_length=100)
+    location: str | None = Field(default=None, max_length=500)
+    metadata: dict[str, Any] | None = None
+
+    _validate_timezone = field_validator("timezone")(_known_timezone)
+
+    @model_validator(mode="after")
+    def validate_range(self) -> "SchedulingCandidateSlotUpdateRequest":
+        if self.start_at is not None and self.end_at is not None and self.end_at <= self.start_at:
+            raise ValueError("end_at must be after start_at")
+        return self
+
+
+class SchedulingParticipantInput(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    respondent_id: str | None = Field(default=None, max_length=255)
+    display_name: str | None = Field(default=None, max_length=500)
+    email: str | None = Field(default=None, max_length=320)
+    participant_type: SchedulingParticipantType = "external"
+    required: bool = True
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+    _validate_email = field_validator("email")(_participant_email)
+
+
+class SchedulingCandidateSlotReconcileInput(SchedulingCandidateSlotInput):
+    id: str | None = Field(default=None, max_length=36)
+    revision: str | None = Field(
+        default=None,
+        min_length=64,
+        max_length=64,
+        pattern=r"^[0-9a-f]{64}$",
+    )
+
+    @model_validator(mode="after")
+    def validate_existing_revision(self) -> "SchedulingCandidateSlotReconcileInput":
+        if self.id is not None and self.revision is None:
+            raise ValueError("revision is required for an existing scheduling slot")
+        if self.id is None and self.revision is not None:
+            raise ValueError("revision can only be supplied for an existing scheduling slot")
+        return self
+
+
+class SchedulingParticipantReconcileInput(SchedulingParticipantInput):
+    id: str | None = Field(default=None, max_length=36)
+    revision: str | None = Field(
+        default=None,
+        min_length=64,
+        max_length=64,
+        pattern=r"^[0-9a-f]{64}$",
+    )
+
+    @model_validator(mode="after")
+    def validate_existing_revision(self) -> "SchedulingParticipantReconcileInput":
+        if self.id is not None and self.revision is None:
+            raise ValueError("revision is required for an existing scheduling participant")
+        if self.id is None and self.revision is not None:
+            raise ValueError("revision can only be supplied for an existing scheduling participant")
+        return self
+
+
+class SchedulingRequestCreateRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    title: str = Field(min_length=1, max_length=500)
+    description: str | None = None
+    location: str | None = Field(default=None, max_length=500)
+    timezone: str = Field(default="UTC", max_length=100)
+    status: Literal["draft", "collecting"] = "draft"
+    deadline_at: datetime | None = None
+    allow_external_participants: bool = True
+    allow_participant_updates: bool = True
+    result_visibility: SchedulingResultVisibility = "after_close"
+    participant_visibility: SchedulingParticipantVisibility = "aggregates_only"
+    notify_on_answers: bool = True
+    single_choice: bool = False
+    max_participants_per_option: int | None = Field(default=None, ge=1)
+    allow_maybe: bool = True
+    allow_comments: bool = False
+    participant_email_required: bool = False
+    anonymous_password_protection_enabled: bool = False
+    anonymous_password: SecretStr | None = Field(default=None, min_length=8, max_length=1024)
+    calendar: SchedulingCalendarPreferences = Field(default_factory=SchedulingCalendarPreferences)
+    slots: list[SchedulingCandidateSlotInput] = Field(default_factory=list, min_length=1)
+    participants: list[SchedulingParticipantInput] = Field(default_factory=list)
+    create_participant_invitations: bool = Field(
+        default=False,
+        deprecated=True,
+        description=(
+            "Compatibility field; participant links are issued only through "
+            "the explicit participant invitation action."
+        ),
+    )
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+    _validate_timezone = field_validator("timezone")(_known_timezone)
+
+    @model_validator(mode="after")
+    def validate_anonymous_password(self) -> "SchedulingRequestCreateRequest":
+        if self.anonymous_password_protection_enabled and self.anonymous_password is None:
+            raise ValueError("anonymous_password is required when password protection is enabled")
+        if not self.anonymous_password_protection_enabled and self.anonymous_password is not None:
+            raise ValueError("anonymous_password requires password protection to be enabled")
+        return self
+
+
+class SchedulingRequestUpdateRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    title: str | None = Field(default=None, min_length=1, max_length=500)
+    description: str | None = None
+    location: str | None = Field(default=None, max_length=500)
+    deadline_at: datetime | None = None
+    allow_external_participants: bool | None = None
+    allow_participant_updates: bool | None = None
+    result_visibility: SchedulingResultVisibility | None = None
+    participant_visibility: SchedulingParticipantVisibility | None = None
+    notify_on_answers: bool | None = None
+    single_choice: bool | None = None
+    max_participants_per_option: int | None = Field(default=None, ge=1)
+    allow_maybe: bool | None = None
+    allow_comments: bool | None = None
+    participant_email_required: bool | None = None
+    anonymous_password_protection_enabled: bool | None = None
+    anonymous_password: SecretStr | None = Field(default=None, min_length=8, max_length=1024)
+    calendar: SchedulingCalendarPreferences | None = None
+    slots: list[SchedulingCandidateSlotReconcileInput] | None = Field(
+        default=None,
+        min_length=1,
+    )
+    participants: list[SchedulingParticipantReconcileInput] | None = None
+    create_participant_invitations: bool = Field(
+        default=False,
+        deprecated=True,
+        description=(
+            "Compatibility field; participant links are issued only through "
+            "the explicit participant invitation action."
+        ),
+    )
+    metadata: dict[str, Any] | None = None
+
+    @model_validator(mode="after")
+    def validate_anonymous_password(self) -> "SchedulingRequestUpdateRequest":
+        if self.anonymous_password_protection_enabled is False and self.anonymous_password is not None:
+            raise ValueError("anonymous_password cannot be set while password protection is disabled")
+        return self
+
+    @model_validator(mode="after")
+    def validate_reconciliation_ids(self) -> "SchedulingRequestUpdateRequest":
+        for field_name in ("slots", "participants"):
+            values = getattr(self, field_name)
+            if values is None:
+                continue
+            ids = [value.id for value in values if value.id is not None]
+            if len(ids) != len(set(ids)):
+                raise ValueError(f"Duplicate ids are not allowed in {field_name}")
+        return self
+
+
+class SchedulingCandidateSlotResponse(BaseModel):
+    id: str
+    poll_option_id: str | None = None
+    label: str
+    description: str | None = None
+    start_at: datetime
+    end_at: datetime
+    timezone: str
+    location: str | None = None
+    position: int
+    revision: str
+    freebusy_checked_at: datetime | None = None
+    freebusy_status: str | None = None
+    freebusy_conflicts: list[dict[str, Any]] = Field(default_factory=list)
+    tentative_hold_event_id: str | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class SchedulingParticipantResponse(BaseModel):
+    id: str
+    revision: str | None = None
+    is_current_participant: bool = False
+    respondent_id: str | None = None
+    display_name: str | None = None
+    email: str | None = None
+    participant_type: str | None = None
+    required: bool | None = None
+    status: str
+    poll_invitation_id: str | None = None
+    invitation_token: str | None = None
+    last_invited_at: datetime | None = None
+    responded_at: datetime | None = None
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class SchedulingParticipantAggregateResponse(BaseModel):
+    total: int = 0
+    status_counts: dict[str, int] = Field(default_factory=dict)
+
+
+class SchedulingParticipantVisibilityDecisionResponse(BaseModel):
+    requested_visibility: SchedulingParticipantVisibility
+    effective_visibility: SchedulingParticipantVisibility
+    policy_applied: bool = False
+    reason: str | None = None
+    source_path: list[dict[str, Any]] = Field(default_factory=list)
+    details: dict[str, Any] = Field(default_factory=dict)
+
+
+class SchedulingRequestResponse(BaseModel):
+    id: str
+    tenant_id: str | None = None
+    title: str
+    description: str | None = None
+    location: str | None = None
+    timezone: str
+    status: str
+    poll_id: str | None = None
+    selected_slot_id: str | None = None
+    organizer_user_id: str | None = None
+    deadline_at: datetime | None = None
+    allow_external_participants: bool
+    allow_participant_updates: bool
+    result_visibility: str
+    participant_visibility: SchedulingParticipantVisibility
+    notify_on_answers: bool
+    single_choice: bool
+    max_participants_per_option: int | None = None
+    allow_maybe: bool
+    allow_comments: bool
+    participant_email_required: bool
+    anonymous_password_protection_enabled: bool
+    public_participation_policy_enforcement_available: bool | None = None
+    public_participation_policy_enforcement_reason: str | None = None
+    participant_invitation_delivery_available: bool | None = None
+    effective_participant_visibility: SchedulingParticipantVisibility
+    participant_aggregate: SchedulingParticipantAggregateResponse
+    participant_visibility_decision: SchedulingParticipantVisibilityDecisionResponse
+    calendar_integration_enabled: bool | None = None
+    calendar_id: str | None = None
+    calendar_freebusy_enabled: bool | None = None
+    calendar_hold_enabled: bool | None = None
+    create_calendar_event_on_decision: bool | None = None
+    calendar_event_id: str | None = None
+    handed_off_at: datetime | None = None
+    cancelled_at: datetime | None = None
+    cancellation_notice_until: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+    metadata: dict[str, Any] = Field(default_factory=dict)
+    slots: list[SchedulingCandidateSlotResponse] = Field(default_factory=list)
+    participants: list[SchedulingParticipantResponse] = Field(default_factory=list)
+
+
+class SchedulingRequestListResponse(BaseModel):
+    requests: list[SchedulingRequestResponse] = Field(default_factory=list)
+
+
+class SchedulingStatusResponse(BaseModel):
+    request: SchedulingRequestResponse
+
+
+class SchedulingDecisionRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    slot_id: str | None = None
+    poll_option_id: str | None = None
+    handoff_to_calendar: bool | None = None
+
+
+class SchedulingAvailabilityAnswerInput(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    slot_id: str
+    value: SchedulingAvailabilityValue
+    option_revision: str = Field(min_length=64, max_length=64, pattern=r"^[0-9a-f]{64}$")
+
+
+class SchedulingAvailabilityResponseRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    answers: list[SchedulingAvailabilityAnswerInput] = Field(min_length=1)
+    comment: str | None = Field(default=None, max_length=4000)
+
+    @model_validator(mode="after")
+    def validate_unique_slots(self) -> "SchedulingAvailabilityResponseRequest":
+        slot_ids = [answer.slot_id for answer in self.answers]
+        if len(slot_ids) != len(set(slot_ids)):
+            raise ValueError("Each scheduling slot can be answered only once")
+        return self
+
+
+class SchedulingAvailabilityAnswerResponse(BaseModel):
+    slot_id: str
+    value: SchedulingAvailabilityValue
+
+
+class SchedulingAvailabilityResponse(BaseModel):
+    request_id: str
+    participant_id: str
+    has_response: bool = False
+    submitted_at: datetime | None = None
+    answers: list[SchedulingAvailabilityAnswerResponse] = Field(default_factory=list)
+    comment: str | None = None
+
+
+class SchedulingPublicParticipationAccessRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    participant_email: str | None = Field(default=None, max_length=320)
+    password: SecretStr | None = Field(default=None, max_length=1024)
+
+    _validate_participant_email = field_validator("participant_email")(_participant_email)
+
+
+class SchedulingPublicParticipationSubmitRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    answers: list[SchedulingAvailabilityAnswerInput] = Field(min_length=1)
+    participant_email: str | None = Field(default=None, max_length=320)
+    password: SecretStr | None = Field(default=None, max_length=1024)
+    comment: str | None = Field(default=None, max_length=4000)
+    idempotency_key: str | None = Field(default=None, min_length=1, max_length=255)
+
+    _validate_participant_email = field_validator("participant_email")(_participant_email)
+
+    @model_validator(mode="after")
+    def validate_unique_slots(self) -> "SchedulingPublicParticipationSubmitRequest":
+        slot_ids = [answer.slot_id for answer in self.answers]
+        if len(slot_ids) != len(set(slot_ids)):
+            raise ValueError("Each scheduling slot can be answered only once")
+        return self
+
+
+class SchedulingPublicCandidateSlotResponse(BaseModel):
+    id: str
+    label: str
+    description: str | None = None
+    start_at: datetime
+    end_at: datetime
+    timezone: str
+    location: str | None = None
+    position: int
+    revision: str
+
+
+class SchedulingPublicParticipationResponse(BaseModel):
+    request_id: str
+    title: str
+    description: str | None = None
+    location: str | None = None
+    timezone: str
+    status: str
+    deadline_at: datetime | None = None
+    cancelled_at: datetime | None = None
+    cancellation_notice_until: datetime | None = None
+    cancellation_notice_only: bool = False
+    participant_email_required: bool
+    anonymous_password_required: bool
+    single_choice: bool
+    max_participants_per_option: int | None = None
+    allow_maybe: bool
+    allow_comments: bool
+    allow_participant_updates: bool
+    has_response: bool = False
+    submitted_at: datetime | None = None
+    answers: list[SchedulingAvailabilityAnswerResponse] = Field(default_factory=list)
+    comment: str | None = None
+    replayed: bool = False
+    slots: list[SchedulingPublicCandidateSlotResponse] = Field(default_factory=list)
+
+
+class SchedulingPollOptionResultResponse(BaseModel):
+    option_id: str
+    option_key: str
+    label: str
+    count: int = 0
+    score: int = 0
+    values: dict[str, int] = Field(default_factory=dict)
+    ranks: dict[int, int] = Field(default_factory=dict)
+
+
+class SchedulingPollSummaryResponse(BaseModel):
+    poll_id: str
+    kind: str
+    status: str
+    response_count: int
+    option_results: list[SchedulingPollOptionResultResponse] = Field(default_factory=list)
+    leading_option_ids: list[str] = Field(default_factory=list)
+
+
+class SchedulingSummaryResponse(BaseModel):
+    request: SchedulingRequestResponse
+    poll_summary: SchedulingPollSummaryResponse
+
+
+class SchedulingCalendarActionResponse(BaseModel):
+    request: SchedulingRequestResponse
+    created_event_ids: list[str] = Field(default_factory=list)
+    updated_slot_ids: list[str] = Field(default_factory=list)
+    warnings: list[str] = Field(default_factory=list)
+
+
+class SchedulingNotificationResponse(BaseModel):
+    id: str
+    request_id: str
+    participant_id: str | None = None
+    event_kind: str
+    channel: str
+    recipient: str | None = None
+    status: str
+    payload: dict[str, Any] = Field(default_factory=dict)
+    error: str | None = None
+    sent_at: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class SchedulingNotificationListResponse(BaseModel):
+    notifications: list[SchedulingNotificationResponse] = Field(default_factory=list)
+
+
+class SchedulingNotificationCreateRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    event_kind: Literal["invitation", "reminder", "decision", "cancellation"]
+    channel: str = Field(default="mail", max_length=40)
+    metadata: dict[str, Any] = Field(default_factory=dict)
+
+
+class SchedulingInvitationActionRequest(BaseModel):
+    """Explicitly issue one fresh participant-specific participation link."""
+
+    model_config = ConfigDict(extra="forbid")
+
+    action: Literal["copy", "send"]
+    participant_revision: str = Field(
+        min_length=64,
+        max_length=64,
+        pattern=r"^[0-9a-f]{64}$",
+        description=(
+            "Semantic revision from the participant management projection; "
+            "stale actions are rejected before rotating or delivering a link."
+        ),
+    )
+
+
+class SchedulingInvitationRevokeRequest(BaseModel):
+    """Revoke the link represented by one current participant projection."""
+
+    model_config = ConfigDict(extra="forbid")
+
+    participant_revision: str = Field(
+        min_length=64,
+        max_length=64,
+        pattern=r"^[0-9a-f]{64}$",
+        description=(
+            "Semantic revision from the participant management projection; "
+            "stale revocations are rejected before changing access."
+        ),
+    )
+
+
+class SchedulingInvitationActionResponse(BaseModel):
+    participant_id: str
+    action: Literal["copy", "send", "revoke"]
+    status: str
+    action_url: str | None = None
+    issued_at: datetime | None = None
+    replayed: bool = False
+    notification: SchedulingNotificationResponse | None = None
+
+
+class SchedulingPeopleSearchCandidate(BaseModel):
+    """Opaque, task-safe projection of a visible directory candidate."""
+
+    selection_key: str
+    kind: str
+    reference_id: str
+    display_name: str
+    email: str | None = None
+    source_module: str | None = None
+    source_label: str | None = None
+    source_revision: str | None = None
+    description: str | None = None
+
+
+class SchedulingPeopleSearchGroup(BaseModel):
+    key: str
+    label: str
+    candidates: list[SchedulingPeopleSearchCandidate] = Field(default_factory=list)
+
+
+class SchedulingPeopleSearchResponse(BaseModel):
+    groups: list[SchedulingPeopleSearchGroup] = Field(default_factory=list)

src/govoplan_scheduling/backend/security.py

@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+import base64
+import hashlib
+import hmac
+import os
+
+
+_ALGORITHM = "pbkdf2_sha256"
+_DEFAULT_ITERATIONS = 260_000
+_SALT_BYTES = 16
+
+
+def hash_participant_password(
+    password: str,
+    *,
+    iterations: int = _DEFAULT_ITERATIONS,
+) -> str:
+    """Hash a public-participant access password for durable storage."""
+
+    salt = os.urandom(_SALT_BYTES)
+    digest = hashlib.pbkdf2_hmac(
+        "sha256",
+        password.encode("utf-8"),
+        salt,
+        iterations,
+    )
+    return "$".join(
+        (
+            _ALGORITHM,
+            str(iterations),
+            base64.b64encode(salt).decode("ascii"),
+            base64.b64encode(digest).decode("ascii"),
+        )
+    )
+
+
+def verify_participant_password(password: str, encoded: str | None) -> bool:
+    """Verify a participant password without exposing the stored hash."""
+
+    if not encoded:
+        return False
+    try:
+        algorithm, iterations_text, salt_b64, digest_b64 = encoded.split("$", 3)
+        if algorithm != _ALGORITHM:
+            return False
+        iterations = int(iterations_text)
+        salt = base64.b64decode(salt_b64.encode("ascii"), validate=True)
+        expected = base64.b64decode(digest_b64.encode("ascii"), validate=True)
+    except (TypeError, ValueError):
+        return False
+    actual = hashlib.pbkdf2_hmac(
+        "sha256",
+        password.encode("utf-8"),
+        salt,
+        iterations,
+    )
+    return hmac.compare_digest(actual, expected)
+
+
+__all__ = ["hash_participant_password", "verify_participant_password"]

src/govoplan_scheduling/py.typed

@@ -0,0 +1 @@
+

tests/test_manifest.py

@@ -0,0 +1,57 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_core.core.modules import ModuleManifest
+from govoplan_scheduling.backend.manifest import get_manifest
+
+
+class SchedulingManifestTests(unittest.TestCase):
+    def test_manifest_contract(self) -> None:
+        manifest = get_manifest()
+
+        self.assertIsInstance(manifest, ModuleManifest)
+        self.assertEqual(manifest.id, "scheduling")
+        self.assertIn("poll", manifest.dependencies)
+        self.assertNotIn("access", manifest.dependencies)
+        self.assertIn("access", manifest.optional_dependencies)
+        self.assertIn("addresses", manifest.optional_dependencies)
+        self.assertIn("policy", manifest.optional_dependencies)
+        self.assertEqual(
+            ("poll.scheduling", "poll.participation_gateway"),
+            manifest.required_capabilities,
+        )
+        self.assertIn("auth.principalResolver", manifest.optional_capabilities)
+        self.assertIn("poll.scheduling", manifest.required_capabilities)
+        self.assertIn("calendar.scheduling", manifest.optional_capabilities)
+        self.assertIn("policy.schedulingParticipantPrivacy", manifest.optional_capabilities)
+        self.assertIn("access.people_search", manifest.optional_capabilities)
+        self.assertIn("addresses.people_search", manifest.optional_capabilities)
+        self.assertIn("evaluation", manifest.optional_dependencies)
+        self.assertIsNotNone(manifest.route_factory)
+        self.assertIsNotNone(manifest.migration_spec)
+        self.assertIsNotNone(manifest.frontend)
+        self.assertEqual(
+            ["/scheduling/public/:requestId/:token"],
+            [route.path for route in manifest.frontend.public_routes],
+        )
+        self.assertIn("poll.availability_matrix", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("poll.response_collection", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("poll.workflow_context", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("poll.governed_participation", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("notifications.dispatch", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("access.people_search", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("addresses.people_search", {interface.name for interface in manifest.requires_interfaces})
+        self.assertIn("calendar.scheduling", {interface.name for interface in manifest.requires_interfaces})
+        required_interfaces = {interface.name: interface for interface in manifest.requires_interfaces}
+        for interface_name in (
+            "poll.availability_matrix",
+            "poll.response_collection",
+            "poll.workflow_context",
+            "poll.governed_participation",
+        ):
+            self.assertEqual("0.1.11", required_interfaces[interface_name].version_min)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_migrations.py

@@ -0,0 +1,370 @@
+from __future__ import annotations
+
+import tempfile
+import unittest
+from datetime import datetime
+from pathlib import Path
+
+from alembic.runtime.migration import MigrationContext
+from sqlalchemy import create_engine, func, inspect, select, text
+from sqlalchemy.orm import Session
+
+from govoplan_core.db.migrations import migrate_database
+from govoplan_poll.backend.manifest import get_manifest as get_poll_manifest
+from govoplan_scheduling.backend.db.models import (
+    SchedulingCandidateSlot,
+    SchedulingNotification,
+    SchedulingParticipant,
+    SchedulingRequest,
+)
+from govoplan_scheduling.backend.manifest import get_manifest as get_scheduling_manifest
+
+
+_SCHEDULING_HEAD = "c9d4e7f1a2b3"
+_SCHEDULING_RESPONSE_SETTINGS_REVISION = "ad7e3c9b2f10"
+_ENABLED_MODULES = ("poll", "scheduling")
+_MANIFEST_FACTORIES = (get_poll_manifest, get_scheduling_manifest)
+
+
+class SchedulingMigrationTests(unittest.TestCase):
+    def _migrate(self, url: str) -> None:
+        migrate_database(
+            database_url=url,
+            enabled_modules=_ENABLED_MODULES,
+            manifest_factories=_MANIFEST_FACTORIES,
+        )
+
+    @staticmethod
+    def _remove_scheduling_revision(
+        connection, *, remove_privacy_column: bool = True
+    ) -> None:
+        connection.execute(
+            text("DELETE FROM alembic_version WHERE version_num = :revision"),
+            {"revision": _SCHEDULING_HEAD},
+        )
+        if remove_privacy_column:
+            connection.execute(
+                text(
+                    "ALTER TABLE scheduling_requests DROP COLUMN participant_visibility"
+                )
+            )
+
+    @staticmethod
+    def _seed_scheduling_rows(engine) -> None:
+        with Session(engine) as session:
+            request = SchedulingRequest(
+                id="request-1",
+                tenant_id="tenant-1",
+                title="Migration adoption probe",
+            )
+            request.slots.append(
+                SchedulingCandidateSlot(
+                    id="slot-1",
+                    tenant_id="tenant-1",
+                    label="First slot",
+                    start_at=datetime(2026, 7, 21, 8, 0),
+                    end_at=datetime(2026, 7, 21, 9, 0),
+                )
+            )
+            request.participants.append(
+                SchedulingParticipant(
+                    id="participant-1",
+                    tenant_id="tenant-1",
+                    display_name="Ada",
+                    email="ada@example.test",
+                )
+            )
+            session.add(request)
+            session.flush()
+            session.add(
+                SchedulingNotification(
+                    id="notification-1",
+                    tenant_id="tenant-1",
+                    request_id=request.id,
+                    event_kind="invitation",
+                    recipient="ada@example.test",
+                )
+            )
+            session.commit()
+
+    def test_adopts_complete_unversioned_v018_schema_and_preserves_rows(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                self._seed_scheduling_rows(engine)
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(connection)
+
+                self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                    columns = {
+                        item["name"]
+                        for item in inspect(connection).get_columns(
+                            "scheduling_requests"
+                        )
+                    }
+                    participant_columns = {
+                        item["name"]
+                        for item in inspect(connection).get_columns(
+                            "scheduling_participants"
+                        )
+                    }
+                    visibility = connection.execute(
+                        text(
+                            "SELECT participant_visibility FROM scheduling_requests "
+                            "WHERE id = 'request-1'"
+                        )
+                    ).scalar_one()
+                    response_defaults = connection.execute(
+                        text(
+                            "SELECT notify_on_answers, single_choice, "
+                            "max_participants_per_option, allow_maybe, allow_comments, "
+                            "participant_email_required, anonymous_password_protection_enabled, "
+                            "anonymous_password_hash FROM scheduling_requests "
+                            "WHERE id = 'request-1'"
+                        )
+                    ).one()
+                    counts = {
+                        model.__tablename__: connection.execute(
+                            select(func.count()).select_from(model)
+                        ).scalar_one()
+                        for model in (
+                            SchedulingRequest,
+                            SchedulingCandidateSlot,
+                            SchedulingParticipant,
+                            SchedulingNotification,
+                        )
+                    }
+
+                self.assertIn(_SCHEDULING_HEAD, heads)
+                self.assertIn("participant_visibility", columns)
+                self.assertIn("cancellation_notice_until", columns)
+                self.assertIn("max_participants_per_option", columns)
+                self.assertIn("response_comment", participant_columns)
+                self.assertIn("participation_gateway", participant_columns)
+                self.assertEqual(visibility, "aggregates_only")
+                self.assertEqual(tuple(response_defaults), (1, 0, None, 1, 0, 0, 0, None))
+                self.assertEqual(set(counts.values()), {1})
+            finally:
+                engine.dispose()
+
+    def test_adopts_already_present_compatible_privacy_column(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(
+                        connection, remove_privacy_column=False
+                    )
+
+                self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                    matching_columns = [
+                        item
+                        for item in inspect(connection).get_columns(
+                            "scheduling_requests"
+                        )
+                        if item["name"] == "participant_visibility"
+                    ]
+
+                self.assertIn(_SCHEDULING_HEAD, heads)
+                self.assertEqual(len(matching_columns), 1)
+            finally:
+                engine.dispose()
+
+    def test_rejects_incomplete_existing_baseline(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(connection)
+                    connection.execute(text("DROP INDEX ix_scheduling_requests_status"))
+
+                with self.assertRaisesRegex(
+                    RuntimeError,
+                    "scheduling_requests missing indexes: ix_scheduling_requests_status",
+                ):
+                    self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                self.assertNotIn(_SCHEDULING_HEAD, heads)
+            finally:
+                engine.dispose()
+
+    def test_rejects_partial_existing_calendar_extension(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(connection)
+                    connection.execute(text("DROP TABLE scheduling_notifications"))
+
+                with self.assertRaisesRegex(
+                    RuntimeError,
+                    "missing table: scheduling_notifications",
+                ):
+                    self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                self.assertNotIn(_SCHEDULING_HEAD, heads)
+            finally:
+                engine.dispose()
+
+    def test_rejects_partial_existing_response_settings(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(
+                        connection,
+                        remove_privacy_column=False,
+                    )
+                    connection.execute(
+                        text(
+                            "ALTER TABLE scheduling_requests "
+                            "DROP COLUMN allow_comments"
+                        )
+                    )
+
+                with self.assertRaisesRegex(
+                    RuntimeError,
+                    "partial scheduling_requests scheduling response settings",
+                ):
+                    self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                self.assertNotIn(_SCHEDULING_HEAD, heads)
+            finally:
+                engine.dispose()
+
+    def test_rejects_partial_existing_participant_response_settings(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                with engine.begin() as connection:
+                    self._remove_scheduling_revision(
+                        connection,
+                        remove_privacy_column=False,
+                    )
+                    connection.execute(
+                        text(
+                            "ALTER TABLE scheduling_participants "
+                            "DROP COLUMN participation_gateway"
+                        )
+                    )
+
+                with self.assertRaisesRegex(
+                    RuntimeError,
+                    "partial scheduling_participants scheduling response settings",
+                ):
+                    self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                self.assertNotIn(_SCHEDULING_HEAD, heads)
+            finally:
+                engine.dispose()
+
+    def test_repairs_missing_participation_gateway_after_previous_head_was_stamped(self) -> None:
+        with tempfile.TemporaryDirectory(
+            prefix="govoplan-scheduling-migration-"
+        ) as directory:
+            url = f"sqlite:///{Path(directory) / 'scheduling.db'}"
+            self._migrate(url)
+            engine = create_engine(url)
+            try:
+                self._seed_scheduling_rows(engine)
+                with engine.begin() as connection:
+                    connection.execute(
+                        text(
+                            "DELETE FROM alembic_version WHERE version_num = :revision"
+                        ),
+                        {"revision": _SCHEDULING_HEAD},
+                    )
+                    connection.execute(
+                        text(
+                            "INSERT INTO alembic_version (version_num) VALUES (:revision)"
+                        ),
+                        {"revision": _SCHEDULING_RESPONSE_SETTINGS_REVISION},
+                    )
+                    connection.execute(
+                        text(
+                            "ALTER TABLE scheduling_participants "
+                            "DROP COLUMN participation_gateway"
+                        )
+                    )
+
+                self._migrate(url)
+
+                with engine.connect() as connection:
+                    heads = set(
+                        MigrationContext.configure(connection).get_current_heads()
+                    )
+                    participant_columns = {
+                        item["name"]
+                        for item in inspect(connection).get_columns(
+                            "scheduling_participants"
+                        )
+                    }
+                    participant = connection.execute(
+                        text(
+                            "SELECT display_name, email, participation_gateway "
+                            "FROM scheduling_participants WHERE id = 'participant-1'"
+                        )
+                    ).one()
+
+                self.assertIn(_SCHEDULING_HEAD, heads)
+                self.assertIn("participation_gateway", participant_columns)
+                self.assertEqual(
+                    tuple(participant),
+                    ("Ada", "ada@example.test", None),
+                )
+            finally:
+                engine.dispose()
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_module_boundary.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+import ast
+import pathlib
+import unittest
+
+
+ROOT = pathlib.Path(__file__).resolve().parents[1]
+
+
+class SchedulingModuleBoundaryTests(unittest.TestCase):
+    def test_runtime_source_does_not_import_poll_implementation_internals(self) -> None:
+        offenders: list[str] = []
+        source_root = ROOT / "src" / "govoplan_scheduling"
+        for path in source_root.rglob("*.py"):
+            tree = ast.parse(path.read_text(encoding="utf-8"))
+            imported_modules = [
+                node.module
+                for node in ast.walk(tree)
+                if isinstance(node, ast.ImportFrom) and node.module is not None
+            ]
+            imported_modules.extend(
+                alias.name
+                for node in ast.walk(tree)
+                if isinstance(node, ast.Import)
+                for alias in node.names
+            )
+            if any(module.startswith("govoplan_poll") for module in imported_modules):
+                offenders.append(str(path.relative_to(ROOT)))
+
+        self.assertEqual([], offenders)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_participant_privacy.py

@@ -0,0 +1,354 @@
+from __future__ import annotations
+
+import unittest
+from datetime import datetime, timezone
+from unittest.mock import patch
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session, sessionmaker
+
+from govoplan_core.core.modules import ModuleContext, ModuleManifest
+from govoplan_core.core.policy import (
+    CAPABILITY_POLICY_SCHEDULING_PARTICIPANT_PRIVACY,
+    PolicySourceStep,
+    SchedulingParticipantPrivacyDecision,
+    SchedulingParticipantPrivacyRequest,
+)
+from govoplan_core.core.registry import PlatformRegistry
+from govoplan_core.db.base import Base
+from govoplan_scheduling.backend.db.models import (
+    SchedulingCandidateSlot,
+    SchedulingParticipant,
+    SchedulingRequest,
+)
+from govoplan_scheduling.backend.runtime import configure_runtime
+from govoplan_scheduling.backend.schemas import (
+    SchedulingCandidateSlotInput,
+    SchedulingRequestCreateRequest,
+    SchedulingRequestResponse,
+    SchedulingRequestUpdateRequest,
+)
+from govoplan_scheduling.backend.service import scheduling_request_response
+
+
+class _PrivacyPolicy:
+    def __init__(self, effective_visibility: str) -> None:
+        self.effective_visibility = effective_visibility
+        self.requests: list[SchedulingParticipantPrivacyRequest] = []
+
+    def resolve_scheduling_participant_visibility(
+        self,
+        session: object,
+        *,
+        request: SchedulingParticipantPrivacyRequest,
+    ) -> SchedulingParticipantPrivacyDecision:
+        self.requests.append(request)
+        return SchedulingParticipantPrivacyDecision(
+            effective_visibility=self.effective_visibility,  # type: ignore[arg-type]
+            reason="Tenant participant privacy policy",
+            source_path=(
+                PolicySourceStep(
+                    scope_type="tenant",
+                    scope_id=request.tenant_id,
+                    label="Tenant",
+                    applied_fields=("scheduling_participant_visibility",),
+                ),
+            ),
+            details={"provider_session_available": session is not None},
+        )
+
+
+class SchedulingParticipantPrivacyTests(unittest.TestCase):
+    def setUp(self) -> None:
+        configure_runtime(registry=PlatformRegistry())
+        self.engine = create_engine("sqlite:///:memory:")
+        Base.metadata.create_all(
+            self.engine,
+            tables=[
+                SchedulingRequest.__table__,
+                SchedulingCandidateSlot.__table__,
+                SchedulingParticipant.__table__,
+            ],
+        )
+        self.Session = sessionmaker(bind=self.engine)
+        self.session: Session = self.Session()
+
+    def tearDown(self) -> None:
+        self.session.close()
+        Base.metadata.drop_all(
+            self.engine,
+            tables=[
+                SchedulingParticipant.__table__,
+                SchedulingCandidateSlot.__table__,
+                SchedulingRequest.__table__,
+            ],
+        )
+        self.engine.dispose()
+        configure_runtime(registry=PlatformRegistry())
+
+    def _request(self, *, participant_visibility: str | None = None) -> SchedulingRequest:
+        values = {
+            "tenant_id": "tenant-1",
+            "title": "Privacy review",
+            "status": "collecting",
+            "poll_id": "poll-internal",
+            "organizer_user_id": "organizer-1",
+            "calendar_integration_enabled": True,
+            "calendar_id": "calendar-internal",
+            "calendar_freebusy_enabled": True,
+            "calendar_hold_enabled": True,
+            "create_calendar_event_on_decision": True,
+            "calendar_event_id": "event-internal",
+            "metadata_": {"connector_secret_ref": "secret-internal"},
+        }
+        if participant_visibility is not None:
+            values["participant_visibility"] = participant_visibility
+        request = SchedulingRequest(**values)
+        request.slots = [
+            SchedulingCandidateSlot(
+                tenant_id="tenant-1",
+                poll_option_id="poll-option-internal",
+                label="Monday morning",
+                start_at=datetime(2026, 7, 27, 9, tzinfo=timezone.utc),
+                end_at=datetime(2026, 7, 27, 10, tzinfo=timezone.utc),
+                timezone="Europe/Berlin",
+                position=0,
+                freebusy_checked_at=datetime(2026, 7, 21, 12, tzinfo=timezone.utc),
+                freebusy_status="busy",
+                freebusy_conflicts=[
+                    {
+                        "calendar_id": "calendar-internal",
+                        "event_id": "event-internal",
+                        "uid": "connector-uid-internal",
+                        "recurrence_id": "recurrence-internal",
+                        "start_at": "2026-07-27T09:30:00+00:00",
+                        "end_at": "2026-07-27T09:45:00+00:00",
+                        "status": "CONFIRMED",
+                    },
+                    {"error": "connector-internal failure"},
+                ],
+                tentative_hold_event_id="hold-internal",
+                metadata_={"provider_ref": "provider-internal"},
+            )
+        ]
+        request.participants = [
+            SchedulingParticipant(
+                tenant_id="tenant-1",
+                respondent_id="alice-id",
+                display_name="Alice",
+                email="alice@example.test",
+                participant_type="internal",
+                status="responded",
+                poll_invitation_id="invitation-alice-internal",
+                last_invited_at=datetime(2026, 7, 20, 12, tzinfo=timezone.utc),
+                responded_at=datetime(2026, 7, 21, 12, tzinfo=timezone.utc),
+                metadata_={"private": "alice"},
+            ),
+            SchedulingParticipant(
+                tenant_id="tenant-1",
+                respondent_id="bob-id",
+                display_name="Bob",
+                email="bob@example.test",
+                participant_type="external",
+                status="invited",
+                metadata_={"private": "bob"},
+            ),
+        ]
+        self.session.add(request)
+        self.session.flush()
+        return request
+
+    @staticmethod
+    def _participant_projection(request: SchedulingRequest) -> dict[str, object]:
+        return scheduling_request_response(
+            request,
+            actor_ids=("alice-id", "alice@example.test"),
+            actor_user_id="alice-account",
+        )
+
+    @staticmethod
+    def _configure_policy(provider: _PrivacyPolicy) -> None:
+        registry = PlatformRegistry()
+        registry.register(
+            ModuleManifest(
+                id="policy_test",
+                name="Policy test",
+                version="test",
+                capability_factories={
+                    CAPABILITY_POLICY_SCHEDULING_PARTICIPANT_PRIVACY: lambda context: provider,
+                },
+            )
+        )
+        registry.configure_capability_context(ModuleContext(registry=registry, settings=object()))
+        configure_runtime(registry=registry)
+
+    def test_secure_default_returns_own_row_and_aggregate_counts(self) -> None:
+        request = self._request()
+
+        with patch(
+            "govoplan_scheduling.backend.service.notification_dispatch_provider",
+            return_value=object(),
+        ):
+            payload = self._participant_projection(request)
+        response = SchedulingRequestResponse.model_validate(payload)
+
+        self.assertEqual(request.participant_visibility, "aggregates_only")
+        self.assertEqual(response.participant_visibility, "aggregates_only")
+        self.assertEqual(response.effective_participant_visibility, "aggregates_only")
+        self.assertEqual([participant.display_name for participant in response.participants], ["Alice"])
+        own = response.participants[0]
+        self.assertTrue(own.is_current_participant)
+        self.assertEqual(own.email, "alice@example.test")
+        self.assertIsNone(own.respondent_id)
+        self.assertIsNone(own.participant_type)
+        self.assertIsNone(own.required)
+        self.assertIsNone(own.poll_invitation_id)
+        self.assertEqual(own.metadata, {})
+        self.assertEqual(response.participant_aggregate.total, 2)
+        self.assertEqual(response.participant_aggregate.status_counts["responded"], 1)
+        self.assertEqual(response.participant_aggregate.status_counts["invited"], 1)
+        self.assertIsNone(response.tenant_id)
+        self.assertIsNone(response.poll_id)
+        self.assertIsNone(response.organizer_user_id)
+        self.assertIsNone(response.calendar_integration_enabled)
+        self.assertIsNone(response.calendar_id)
+        self.assertIsNone(response.calendar_freebusy_enabled)
+        self.assertIsNone(response.calendar_hold_enabled)
+        self.assertIsNone(response.create_calendar_event_on_decision)
+        self.assertIsNone(response.calendar_event_id)
+        self.assertIsNone(response.public_participation_policy_enforcement_available)
+        self.assertIsNone(response.participant_invitation_delivery_available)
+        self.assertEqual(response.metadata, {})
+        slot = response.slots[0]
+        self.assertIsNone(slot.poll_option_id)
+        self.assertEqual(slot.freebusy_status, "busy")
+        self.assertEqual(
+            slot.freebusy_conflicts,
+            [
+                {
+                    "start_at": "2026-07-27T09:30:00+00:00",
+                    "end_at": "2026-07-27T09:45:00+00:00",
+                    "status": "CONFIRMED",
+                }
+            ],
+        )
+        self.assertIsNone(slot.tentative_hold_event_id)
+        self.assertEqual(slot.metadata, {})
+
+    def test_configured_roster_returns_other_names_and_statuses_with_sensitive_fields_redacted(self) -> None:
+        request = self._request(participant_visibility="names_and_statuses")
+
+        response = SchedulingRequestResponse.model_validate(self._participant_projection(request))
+
+        self.assertEqual(response.effective_participant_visibility, "names_and_statuses")
+        own = next(participant for participant in response.participants if participant.display_name == "Alice")
+        other = next(participant for participant in response.participants if participant.display_name == "Bob")
+        self.assertTrue(own.is_current_participant)
+        self.assertIsNone(own.respondent_id)
+        self.assertEqual(own.email, "alice@example.test")
+        self.assertEqual(other.status, "invited")
+        self.assertFalse(other.is_current_participant)
+        self.assertIsNone(other.respondent_id)
+        self.assertIsNone(other.email)
+        self.assertIsNone(other.participant_type)
+        self.assertIsNone(other.required)
+        self.assertIsNone(other.poll_invitation_id)
+        self.assertEqual(other.metadata, {})
+
+    def test_manager_and_organizer_bypass_participant_roster_restriction(self) -> None:
+        request = self._request()
+
+        manager = SchedulingRequestResponse.model_validate(
+            scheduling_request_response(
+                request,
+                actor_ids=("manager-1",),
+                actor_user_id="manager-1",
+                can_manage=True,
+            )
+        )
+        organizer = SchedulingRequestResponse.model_validate(
+            scheduling_request_response(
+                request,
+                actor_ids=("organizer-1",),
+                actor_user_id="organizer-1",
+            )
+        )
+
+        for response in (manager, organizer):
+            self.assertEqual(response.effective_participant_visibility, "names_and_statuses")
+            self.assertEqual({participant.email for participant in response.participants}, {
+                "alice@example.test",
+                "bob@example.test",
+            })
+            self.assertTrue(response.participant_visibility_decision.details["management_access"])
+            self.assertEqual(response.tenant_id, "tenant-1")
+            self.assertEqual(response.poll_id, "poll-internal")
+            self.assertEqual(response.organizer_user_id, "organizer-1")
+            self.assertEqual(response.calendar_id, "calendar-internal")
+            self.assertEqual(response.calendar_event_id, "event-internal")
+            self.assertEqual(response.metadata["connector_secret_ref"], "secret-internal")
+            self.assertEqual(response.slots[0].poll_option_id, "poll-option-internal")
+            self.assertEqual(
+                response.slots[0].freebusy_conflicts[0]["uid"],
+                "connector-uid-internal",
+            )
+            self.assertEqual(response.slots[0].tentative_hold_event_id, "hold-internal")
+            self.assertFalse(response.participant_invitation_delivery_available)
+
+        with patch(
+            "govoplan_scheduling.backend.service.notification_dispatch_provider",
+            return_value=object(),
+        ):
+            delivery_enabled = SchedulingRequestResponse.model_validate(
+                scheduling_request_response(
+                    request,
+                    actor_ids=("manager-1",),
+                    actor_user_id="manager-1",
+                    can_manage=True,
+                )
+            )
+
+        self.assertTrue(delivery_enabled.participant_invitation_delivery_available)
+
+    def test_optional_policy_can_reduce_but_cannot_broaden_visibility(self) -> None:
+        restricting_policy = _PrivacyPolicy("aggregates_only")
+        self._configure_policy(restricting_policy)
+        visible_request = self._request(participant_visibility="names_and_statuses")
+
+        reduced = SchedulingRequestResponse.model_validate(self._participant_projection(visible_request))
+
+        self.assertEqual(reduced.effective_participant_visibility, "aggregates_only")
+        self.assertEqual([participant.display_name for participant in reduced.participants], ["Alice"])
+        self.assertTrue(reduced.participant_visibility_decision.policy_applied)
+        self.assertEqual(reduced.participant_visibility_decision.reason, "Tenant participant privacy policy")
+        self.assertEqual(reduced.participant_visibility_decision.source_path, [])
+        self.assertEqual(reduced.participant_visibility_decision.details, {})
+        self.assertEqual(restricting_policy.requests[0].actor_user_id, "alice-account")
+
+        widening_policy = _PrivacyPolicy("names_and_statuses")
+        self._configure_policy(widening_policy)
+        private_request = self._request()
+
+        clamped = SchedulingRequestResponse.model_validate(self._participant_projection(private_request))
+
+        self.assertEqual(clamped.effective_participant_visibility, "aggregates_only")
+        self.assertEqual([participant.display_name for participant in clamped.participants], ["Alice"])
+        self.assertEqual(widening_policy.requests[0].requested_visibility, "aggregates_only")
+
+    def test_create_and_update_schemas_expose_the_configuration(self) -> None:
+        slot = SchedulingCandidateSlotInput.model_validate(
+            {
+                "start_at": "2026-07-20T09:00:00Z",
+                "end_at": "2026-07-20T10:00:00Z",
+            }
+        )
+
+        created = SchedulingRequestCreateRequest(title="Privacy", slots=[slot])
+        updated = SchedulingRequestUpdateRequest(participant_visibility="names_and_statuses")
+
+        self.assertEqual(created.participant_visibility, "aggregates_only")
+        self.assertEqual(updated.participant_visibility, "names_and_statuses")
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_people_search.py

@@ -0,0 +1,138 @@
+from __future__ import annotations
+
+from types import SimpleNamespace
+import unittest
+
+from fastapi import HTTPException
+
+from govoplan_core.auth import ApiPrincipal
+from govoplan_core.core.access import PrincipalRef
+from govoplan_core.core.people import (
+    CAPABILITY_ACCESS_PEOPLE_SEARCH,
+    PeopleSearchGroup,
+    PersonSearchCandidate,
+)
+from govoplan_scheduling.backend.manifest import WRITE_SCOPE
+from govoplan_scheduling.backend.router import api_search_scheduling_people
+from govoplan_scheduling.backend.runtime import configure_runtime
+
+
+class _Registry:
+    def __init__(self, capabilities: dict[str, object] | None = None) -> None:
+        self.capabilities = capabilities or {}
+
+    def has_capability(self, name: str) -> bool:
+        return name in self.capabilities
+
+    def capability(self, name: str) -> object:
+        return self.capabilities[name]
+
+
+class _PeopleProvider:
+    def __init__(self) -> None:
+        self.calls: list[tuple[object, object, str, int]] = []
+
+    def search_people(
+        self,
+        session: object,
+        principal: object,
+        *,
+        query: str,
+        limit: int = 25,
+    ) -> tuple[PeopleSearchGroup, ...]:
+        self.calls.append((session, principal, query, limit))
+        return (
+            PeopleSearchGroup(
+                key="accounts",
+                label="Accounts",
+                candidates=(
+                    PersonSearchCandidate(
+                        selection_key="account:account-2",
+                        kind="account",
+                        reference_id="account-2",
+                        display_name="Ada Lovelace",
+                        email="ada@example.test",
+                        source_module="access",
+                        source_label="Accounts",
+                        source_ref="access:account:account-2",
+                        source_revision="revision-1",
+                        description="Research",
+                        provenance={"tenant_id": "tenant-1", "internal": "secret"},
+                        metadata={"internal_group_ids": ["group-1"]},
+                    ),
+                ),
+            ),
+        )
+
+
+def _principal(*scopes: str) -> ApiPrincipal:
+    return ApiPrincipal(
+        principal=PrincipalRef(
+            account_id="account-1",
+            membership_id="membership-1",
+            tenant_id="tenant-1",
+            email="organizer@example.test",
+            display_name="Organizer",
+            scopes=frozenset(scopes),
+        ),
+        account=SimpleNamespace(id="account-1"),
+        user=SimpleNamespace(id="membership-1"),
+    )
+
+
+class SchedulingPeopleSearchTests(unittest.TestCase):
+    def tearDown(self) -> None:
+        configure_runtime(registry=_Registry())
+
+    def test_search_uses_principal_aware_core_aggregator_and_redacts_provider_internals(self) -> None:
+        provider = _PeopleProvider()
+        registry = _Registry({CAPABILITY_ACCESS_PEOPLE_SEARCH: provider})
+        configure_runtime(registry=registry)
+        session = object()
+        principal = _principal(WRITE_SCOPE)
+
+        response = api_search_scheduling_people(
+            query="ada",
+            limit=12,
+            session=session,  # type: ignore[arg-type] - provider contract is intentionally generic
+            principal=principal,
+        )
+
+        self.assertEqual([(session, principal, "ada", 12)], provider.calls)
+        payload = response.model_dump()
+        self.assertEqual("account:account-2", payload["groups"][0]["candidates"][0]["selection_key"])
+        self.assertEqual("revision-1", payload["groups"][0]["candidates"][0]["source_revision"])
+        self.assertNotIn("source_ref", payload["groups"][0]["candidates"][0])
+        self.assertNotIn("provenance", payload["groups"][0]["candidates"][0])
+        self.assertNotIn("metadata", payload["groups"][0]["candidates"][0])
+
+    def test_search_is_empty_when_no_optional_directory_provider_is_installed(self) -> None:
+        configure_runtime(registry=_Registry())
+
+        response = api_search_scheduling_people(
+            query="ada",
+            limit=25,
+            session=object(),  # type: ignore[arg-type]
+            principal=_principal(WRITE_SCOPE),
+        )
+
+        self.assertEqual([], response.groups)
+
+    def test_search_requires_scheduling_write_or_admin_access(self) -> None:
+        provider = _PeopleProvider()
+        configure_runtime(registry=_Registry({CAPABILITY_ACCESS_PEOPLE_SEARCH: provider}))
+
+        with self.assertRaises(HTTPException) as raised:
+            api_search_scheduling_people(
+                query="ada",
+                limit=25,
+                session=object(),  # type: ignore[arg-type]
+                principal=_principal("scheduling:schedule:read"),
+            )
+
+        self.assertEqual(403, raised.exception.status_code)
+        self.assertEqual([], provider.calls)
+
+
+if __name__ == "__main__":
+    unittest.main()

webui/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "@govoplan/scheduling-webui",
+  "version": "0.1.11",
+  "private": true,
+  "type": "module",
+  "main": "src/index.ts",
+  "module": "src/index.ts",
+  "types": "src/index.ts",
+  "exports": {
+    ".": {
+      "types": "./src/index.ts",
+      "import": "./src/index.ts"
+    },
+    "./styles/scheduling.css": "./src/styles/scheduling.css"
+  },
+  "scripts": {
+    "test:view-model": "node --experimental-strip-types --test tests/scheduling-view-model.test.ts",
+    "test:ui-structure": "node scripts/test-scheduling-page-structure.mjs"
+  },
+  "peerDependencies": {
+    "@govoplan/core-webui": "^0.1.11",
+    "lucide-react": "^1.23.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
+    "react-router-dom": "^7.1.1",
+    "@vitejs/plugin-react": "^4.3.4",
+    "typescript": "^5.7.2",
+    "vite": "^6.0.6"
+  },
+  "peerDependenciesMeta": {
+    "@govoplan/core-webui": {
+      "optional": true
+    }
+  }
+}

webui/scripts/test-scheduling-page-structure.mjs

@@ -0,0 +1,160 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+
+const pagePath = fileURLToPath(new URL("../src/features/scheduling/SchedulingPage.tsx", import.meta.url));
+const publicPagePath = fileURLToPath(new URL("../src/features/scheduling/SchedulingPublicPage.tsx", import.meta.url));
+const apiPath = fileURLToPath(new URL("../src/api/scheduling.ts", import.meta.url));
+const modulePath = fileURLToPath(new URL("../src/module.ts", import.meta.url));
+const page = readFileSync(pagePath, "utf8");
+const publicPage = readFileSync(publicPagePath, "utf8");
+const api = readFileSync(apiPath, "utf8");
+const moduleSource = readFileSync(modulePath, "utf8");
+
+assert.match(page, /usePlatformUiCapability<CalendarPickerUiCapability>\("calendar\.picker"\)/);
+assert.match(page, /hasScope\(auth, "calendar:calendar:read"\)/);
+assert.match(page, /Boolean\(calendarPickerCapability\) && canReadCalendars && canReadAvailability && canWriteCalendarEvent/);
+assert.doesNotMatch(page, /@govoplan\/calendar-webui|govoplan-calendar\/webui/);
+assert.match(page, /Card,[\s\S]*DataGrid,[\s\S]*DataGridRowActions,[\s\S]*FormField,[\s\S]*MetricCard,[\s\S]*PasswordField,[\s\S]*PeoplePicker,[\s\S]*SelectionList,[\s\S]*ToggleSwitch,[\s\S]*from "@govoplan\/core-webui"/);
+assert.doesNotMatch(page, /@govoplan\/core-webui\/src\//);
+
+assert.match(page, /className="scheduling-workspace-layout"/);
+assert.match(page, /<aside className="scheduling-request-sidebar">/);
+assert.match(page, /<section className="scheduling-main-panel">/);
+assert.match(page, /title=\{I18N\.requests\}[\s\S]*<Plus aria-hidden="true" size=\{16\} \/> \{I18N\.add\}/);
+assert.match(page, /title=\{I18N\.myRequests\}/);
+assert.match(page, /title=\{I18N\.invitedRequests\}/);
+assert.ok(page.indexOf("title={I18N.myRequests}") < page.indexOf("title={I18N.invitedRequests}"));
+assert.match(page, /<SelectionList label=\{title\} className="scheduling-request-list">/);
+assert.match(page, /<SelectionListItem[\s\S]*selected=\{selectedId === request\.id\}[\s\S]*className="scheduling-list-item"/);
+assert.match(page, /className="scheduling-list-item"[\s\S]{0,100}disabled=\{disabled\}/);
+
+assert.match(page, /editorMode \? \(/);
+assert.match(page, /id="scheduling-editor-form"/);
+assert.doesNotMatch(page, /ModuleSubnav|scheduling-create-subnav|scheduling-full-editor/);
+const editorStart = page.indexOf('<div className="scheduling-editor-surface">');
+const editorEnd = page.indexOf('</form>', editorStart);
+const editor = page.slice(editorStart, editorEnd);
+assert.ok(editor.indexOf("I18N.discard") < editor.indexOf("I18N.save"));
+assert.match(editor, /form="scheduling-editor-form"/);
+assert.match(editor, /<Card title=\{I18N\.basicInformation\}>/);
+assert.match(editor, /<Card title=\{I18N\.calendarIntegration\}>/);
+assert.match(page, /<Card title=\{I18N\.candidateSlots\}>/);
+assert.match(page, /<Card title=\{I18N\.participants\}>/);
+assert.match(page, /<Card title=\{I18N\.generalSettings\}>/);
+assert.match(page, /<Card title=\{I18N\.participantPrivacy\}>/);
+assert.match(editor, /<FormField label=\{I18N\.title\}>/);
+assert.match(page, /useUnsavedDraftGuard\(/);
+assert.match(page, /requestDiscard\(exitEditor\)/);
+assert.match(page, /dirty: responseDirty,[\s\S]*onSave: persistAvailability,[\s\S]*onDiscard: resetResponseDraft/);
+assert.doesNotMatch(page, /window\.(?:alert|confirm)\(/);
+
+for (const setting of [
+  "participantRosterVisible",
+  "notifyOnAnswers",
+  "singleChoice",
+  "participantLimitEnabled",
+  "allowMaybe",
+  "allowComments",
+  "participantEmailRequired",
+  "anonymousPasswordProtectionEnabled"
+]) {
+  assert.match(page, new RegExp(`checked=\\{${setting}\\}`));
+}
+assert.match(page, /<PasswordField[\s\S]*minLength=\{8\}/);
+assert.match(page, /type="number"[\s\S]*min=\{1\}/);
+assert.match(page, /min=\{addLocalMinutes\(slot\.start_at, 1\)\}/);
+assert.match(page, /allow_external_participants: allowExternalParticipants/);
+assert.doesNotMatch(page, /usesGatewayPolicy|updateSchedulingCandidateSlot/);
+assert.match(page, /public_participation_policy_enforcement_available/);
+assert.match(page, /const canCreateOrWrite = canWrite \|\| canAdminister/);
+assert.match(page, /policyLocked=\{participationPolicyLocked\}/);
+
+assert.match(page, /id="scheduling-create-candidate-slots-grid"/);
+assert.match(page, /id="scheduling-participant-picker"/);
+assert.match(page, /id="scheduling-candidate-slots-grid"/);
+assert.match(page, /id="scheduling-participants-grid"/);
+assert.match(page, /<DataGridRowActions/);
+assert.match(page, /disabled=\{!canCreateOrWrite\}[\s\S]{0,80}reorderable/);
+assert.doesNotMatch(page, /reorderable=\{editorMode === "create"\}/);
+assert.doesNotMatch(page, /EmailAddressInput|MailboxAddress|addressSuggestions|addressLookupQuery/);
+assert.doesNotMatch(page, /<input[\s\S]{0,220}aria-label=\{I18N\.participantEmail\}/);
+assert.match(page, /allowManualExternal=\{allowExternalParticipants\}/);
+assert.match(page, /search=\{participantSearch\}/);
+assert.doesNotMatch(page, /<table|scheduling-table|scheduling-card(?:\s|"|`)/);
+assert.match(page, /<TableActionGroup[\s\S]*disabled: saving \|\| !decisionEnabled/);
+assert.match(page, /showDecisionAction=\{canManageSelected\}/);
+assert.match(page, /<IconButton[\s\S]*label=\{I18N\.refresh\}/);
+assert.doesNotMatch(page, /AdminIconButton/);
+
+const participantGridStart = page.indexOf("function ParticipantsGrid(");
+const participantGridEnd = page.indexOf("function invitationActionDisabledReason", participantGridStart);
+const participantGrid = page.slice(participantGridStart, participantGridEnd);
+assert.match(participantGrid, /\.\.\.\(canManage \? \[\{/);
+assert.match(participantGrid, /minimumSlots=\{3\}/);
+assert.ok(participantGrid.indexOf('id: "copy-invitation"') < participantGrid.indexOf('id: "send-invitation"'));
+assert.ok(participantGrid.indexOf('id: "send-invitation"') < participantGrid.indexOf('id: "revoke-invitation"'));
+assert.match(participantGrid, /schedulingInvitationActionBlocks\(request, participant, now\)/);
+assert.match(participantGrid, /disabledReason: copyDisabledReason/);
+assert.match(participantGrid, /disabledReason: deliveryDisabledReason/);
+assert.match(participantGrid, /disabledReason: revokeDisabledReason/);
+assert.match(page, /<ConfirmDialog[\s\S]*title=\{I18N\.revokeInvitationLabel\}[\s\S]*tone="danger"/);
+assert.match(page, /navigator\.clipboard\.writeText\(value\)/);
+assert.match(page, /navigator\.clipboard\.write\(\[new ClipboardItem/);
+assert.match(page, /schedulingPublicInvitationUrl\(response\.action_url, window\.location\.origin\)/);
+assert.match(page, /\["failed", "skipped"\]\.includes\(result\.status\)/);
+assert.match(page, /isApiError\(err, 409\)/);
+assert.match(page, /scheduleExpiryRefresh/);
+assert.doesNotMatch(page, /(?:localStorage|sessionStorage).*action_url|action_url.*(?:localStorage|sessionStorage)/);
+
+assert.match(page, /submitSchedulingAvailability\(settings, selected\.id/);
+assert.match(page, /option_revision: slot\.revision/);
+assert.match(page, /getSchedulingAvailabilityResponse\(settings, selected\.id\)/);
+assert.match(page, /const answers = Object\.fromEntries\(response\.answers\.map/);
+assert.match(page, /setSavedAvailability\(answers\)/);
+assert.match(page, /const comment = response\.comment \?\? ""/);
+assert.match(page, /setSavedAvailabilityComment\(comment\)/);
+assert.match(page, /<ParticipationStats/);
+assert.match(page, /selected\.effective_participant_visibility === "names_and_statuses"/);
+assert.doesNotMatch(page, /<p>\{selected\.calendar_id\}<\/p>/);
+assert.match(page, /className="scheduling-selected-calendar"/);
+
+for (const field of [
+  "notify_on_answers",
+  "single_choice",
+  "max_participants_per_option",
+  "allow_maybe",
+  "allow_comments",
+  "participant_email_required",
+  "anonymous_password_protection_enabled",
+  "public_participation_policy_enforcement_available",
+  "participant_invitation_delivery_available"
+]) {
+  assert.match(api, new RegExp(`${field}:`));
+}
+assert.match(api, /method: "PATCH"/);
+assert.match(api, /\/api\/v1\/scheduling\/people\?/);
+assert.doesNotMatch(api, /address-lookup/);
+assert.match(page, /slots: slots\.map\(\(slot\) => \(\{/);
+assert.match(page, /participants: participants\.map\(participantPayload\)/);
+assert.doesNotMatch(page, /create_participant_invitations/);
+assert.match(api, /\/api\/v1\/scheduling\/requests\/\$\{requestId\}\/responses/);
+assert.match(api, /\/api\/v1\/scheduling\/requests\/\$\{requestId\}\/responses\/me/);
+assert.match(api, /issueSchedulingParticipantInvitation\([\s\S]*json\(\{ action, participant_revision: participantRevision \}\)/);
+assert.match(api, /revokeSchedulingParticipantInvitation\([\s\S]*method: "DELETE"[\s\S]*participant_revision: participantRevision/);
+assert.match(api, /participants\/\$\{encodeURIComponent\(participantId\)\}\/invitation/);
+assert.match(api, /\/api\/v1\/scheduling\/public\/\$\{encodeURIComponent\(requestId\)\}\/\$\{encodeURIComponent\(token\)\}/);
+assert.match(page, /useSearchParams\(\)/);
+assert.match(page, /Promise\.allSettled/);
+
+assert.match(moduleSource, /publicRoutes:[\s\S]*path: "\/scheduling\/public\/:requestId\/:token"/);
+assert.match(moduleSource, /SchedulingPublicPage/);
+assert.match(publicPage, /Card,[\s\S]*DismissibleAlert,[\s\S]*FormField,[\s\S]*LoadingFrame,[\s\S]*from "@govoplan\/core-webui"/);
+assert.match(publicPage, /getPublicSchedulingParticipation\(settings, requestId, token, \{\}\)/);
+assert.match(publicPage, /applySchedulingAvailabilityChoice\(/);
+assert.match(publicPage, /option_revision: slot\.revision/);
+assert.match(publicPage, /idempotency_key: newIdempotencyKey\(\)/);
+assert.doesNotMatch(publicPage, /window\.(?:alert|confirm)\(/);
+assert.doesNotMatch(publicPage, /(?:localStorage|sessionStorage).*token|token.*(?:localStorage|sessionStorage)/);
+
+console.log("Scheduling pages satisfy the two-pane editor, public response, and policy contracts.");

webui/src/api/scheduling.ts

@@ -0,0 +1,488 @@
+import {
+  apiFetch,
+  type ApiSettings,
+  type PeoplePickerSearchGroup
+} from "@govoplan/core-webui";
+
+export type SchedulingStatus = "draft" | "collecting" | "closed" | "decided" | "handed_off" | "cancelled" | "archived";
+export type SchedulingParticipantVisibility = "aggregates_only" | "names_and_statuses";
+
+export type SchedulingCandidateSlot = {
+  id: string;
+  poll_option_id?: string | null;
+  label: string;
+  description?: string | null;
+  start_at: string;
+  end_at: string;
+  timezone: string;
+  location?: string | null;
+  position: number;
+  revision: string;
+  freebusy_checked_at?: string | null;
+  freebusy_status?: string | null;
+  freebusy_conflicts: Record<string, unknown>[];
+  tentative_hold_event_id?: string | null;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingParticipant = {
+  id: string;
+  revision?: string | null;
+  is_current_participant: boolean;
+  respondent_id?: string | null;
+  display_name?: string | null;
+  email?: string | null;
+  participant_type: string | null;
+  required: boolean | null;
+  status: string;
+  poll_invitation_id?: string | null;
+  invitation_token?: string | null;
+  last_invited_at?: string | null;
+  responded_at?: string | null;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingParticipantAggregate = {
+  total: number;
+  status_counts: Record<string, number>;
+};
+
+export type SchedulingParticipantVisibilityDecision = {
+  requested_visibility: SchedulingParticipantVisibility;
+  effective_visibility: SchedulingParticipantVisibility;
+  policy_applied: boolean;
+  reason?: string | null;
+  source_path: Record<string, unknown>[];
+  details: Record<string, unknown>;
+};
+
+export type SchedulingRequest = {
+  id: string;
+  tenant_id: string | null;
+  title: string;
+  description?: string | null;
+  location?: string | null;
+  timezone: string;
+  status: SchedulingStatus;
+  poll_id?: string | null;
+  selected_slot_id?: string | null;
+  organizer_user_id?: string | null;
+  deadline_at?: string | null;
+  allow_external_participants: boolean;
+  allow_participant_updates: boolean;
+  result_visibility: string;
+  participant_visibility: SchedulingParticipantVisibility;
+  effective_participant_visibility: SchedulingParticipantVisibility;
+  participant_aggregate: SchedulingParticipantAggregate;
+  participant_visibility_decision: SchedulingParticipantVisibilityDecision;
+  notify_on_answers: boolean;
+  single_choice: boolean;
+  max_participants_per_option: number | null;
+  allow_maybe: boolean;
+  allow_comments: boolean;
+  participant_email_required: boolean;
+  anonymous_password_protection_enabled: boolean;
+  public_participation_policy_enforcement_available: boolean | null;
+  public_participation_policy_enforcement_reason?: string | null;
+  participant_invitation_delivery_available: boolean | null;
+  calendar_integration_enabled: boolean | null;
+  calendar_id?: string | null;
+  calendar_freebusy_enabled: boolean | null;
+  calendar_hold_enabled: boolean | null;
+  create_calendar_event_on_decision: boolean | null;
+  calendar_event_id?: string | null;
+  handed_off_at?: string | null;
+  cancelled_at?: string | null;
+  cancellation_notice_until?: string | null;
+  created_at: string;
+  updated_at: string;
+  metadata?: Record<string, unknown>;
+  slots: SchedulingCandidateSlot[];
+  participants: SchedulingParticipant[];
+};
+
+export type SchedulingRequestListResponse = { requests: SchedulingRequest[] };
+export type SchedulingStatusResponse = { request: SchedulingRequest };
+
+export type SchedulingCandidateSlotPayload = {
+  label?: string | null;
+  description?: string | null;
+  start_at: string;
+  end_at: string;
+  timezone?: string | null;
+  location?: string | null;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingParticipantPayload = {
+  respondent_id?: string | null;
+  display_name?: string | null;
+  email?: string | null;
+  participant_type?: "internal" | "external" | "resource";
+  required?: boolean;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingRequestCreatePayload = {
+  title: string;
+  description?: string | null;
+  location?: string | null;
+  timezone?: string;
+  status?: "draft" | "collecting";
+  deadline_at?: string | null;
+  allow_external_participants?: boolean;
+  allow_participant_updates?: boolean;
+  result_visibility?: "organizer" | "after_response" | "after_close" | "public";
+  participant_visibility?: SchedulingParticipantVisibility;
+  notify_on_answers?: boolean;
+  single_choice?: boolean;
+  max_participants_per_option?: number | null;
+  allow_maybe?: boolean;
+  allow_comments?: boolean;
+  participant_email_required?: boolean;
+  anonymous_password_protection_enabled?: boolean;
+  anonymous_password?: string;
+  calendar?: {
+    enabled?: boolean;
+    calendar_id?: string | null;
+    freebusy_enabled?: boolean;
+    tentative_holds_enabled?: boolean;
+    create_event_on_decision?: boolean;
+  };
+  slots: SchedulingCandidateSlotPayload[];
+  participants?: SchedulingParticipantPayload[];
+  create_participant_invitations?: boolean;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingRequestUpdatePayload = Omit<
+  SchedulingRequestCreatePayload,
+  "timezone" | "status" | "slots" | "participants"
+> & {
+  slots?: SchedulingCandidateSlotReconcilePayload[];
+  participants?: SchedulingParticipantReconcilePayload[];
+};
+
+export type SchedulingCandidateSlotReconcilePayload = SchedulingCandidateSlotPayload & {
+  id?: string;
+  revision?: string;
+};
+
+export type SchedulingParticipantReconcilePayload = SchedulingParticipantPayload & {
+  id?: string;
+  revision?: string;
+};
+
+export type SchedulingCandidateSlotUpdatePayload = {
+  label?: string | null;
+  description?: string | null;
+  start_at?: string | null;
+  end_at?: string | null;
+  timezone?: string | null;
+  location?: string | null;
+  metadata?: Record<string, unknown> | null;
+};
+
+export type SchedulingDecisionPayload = {
+  slot_id?: string | null;
+  poll_option_id?: string | null;
+  handoff_to_calendar?: boolean | null;
+};
+
+export type SchedulingAvailabilityValue = "available" | "maybe" | "unavailable";
+
+export type SchedulingAvailabilityPayload = {
+  answers: Array<{
+    slot_id: string;
+    value: SchedulingAvailabilityValue;
+    option_revision: string;
+  }>;
+  comment?: string | null;
+};
+
+export type SchedulingAvailabilityResponse = {
+  request_id: string;
+  participant_id: string;
+  has_response: boolean;
+  submitted_at?: string | null;
+  comment?: string | null;
+  answers: Array<{
+    slot_id: string;
+    value: SchedulingAvailabilityValue;
+  }>;
+};
+
+export type SchedulingPublicCandidateSlot = {
+  id: string;
+  label: string;
+  description?: string | null;
+  start_at: string;
+  end_at: string;
+  timezone: string;
+  location?: string | null;
+  position: number;
+  revision: string;
+};
+
+export type SchedulingPublicParticipationResponse = {
+  request_id: string;
+  title: string;
+  description?: string | null;
+  location?: string | null;
+  timezone: string;
+  status: SchedulingStatus;
+  deadline_at?: string | null;
+  cancelled_at?: string | null;
+  cancellation_notice_until?: string | null;
+  cancellation_notice_only: boolean;
+  participant_email_required: boolean;
+  anonymous_password_required: boolean;
+  single_choice: boolean;
+  max_participants_per_option: number | null;
+  allow_maybe: boolean;
+  allow_comments: boolean;
+  allow_participant_updates: boolean;
+  has_response: boolean;
+  submitted_at?: string | null;
+  answers: Array<{
+    slot_id: string;
+    value: SchedulingAvailabilityValue;
+  }>;
+  comment?: string | null;
+  replayed: boolean;
+  slots: SchedulingPublicCandidateSlot[];
+};
+
+export type SchedulingPublicParticipationAccessPayload = {
+  participant_email?: string | null;
+  password?: string | null;
+};
+
+export type SchedulingPublicParticipationSubmitPayload = SchedulingPublicParticipationAccessPayload & {
+  answers: SchedulingAvailabilityPayload["answers"];
+  comment?: string | null;
+  idempotency_key?: string;
+};
+
+export type SchedulingCalendarActionResponse = {
+  request: SchedulingRequest;
+  created_event_ids: string[];
+  updated_slot_ids: string[];
+  warnings: string[];
+};
+
+export type SchedulingNotification = {
+  id: string;
+  request_id: string;
+  participant_id?: string | null;
+  event_kind: string;
+  channel: string;
+  recipient?: string | null;
+  status: string;
+  payload: Record<string, unknown>;
+  error?: string | null;
+  sent_at?: string | null;
+  created_at: string;
+  updated_at: string;
+  metadata?: Record<string, unknown>;
+};
+
+export type SchedulingNotificationListResponse = { notifications: SchedulingNotification[] };
+
+export type SchedulingInvitationAction = "copy" | "send" | "revoke";
+
+export type SchedulingInvitationActionResponse = {
+  participant_id: string;
+  action: SchedulingInvitationAction;
+  status: string;
+  action_url?: string | null;
+  issued_at?: string | null;
+  replayed: boolean;
+  notification?: SchedulingNotification | null;
+};
+
+export type SchedulingPollOptionResult = {
+  option_id: string;
+  option_key: string;
+  label: string;
+  count: number;
+  score: number;
+  values: Record<string, number>;
+};
+
+export type SchedulingSummaryResponse = {
+  request: SchedulingRequest;
+  poll_summary: {
+    poll_id: string;
+    kind: string;
+    status: string;
+    response_count: number;
+    option_results: SchedulingPollOptionResult[];
+    leading_option_ids: string[];
+  };
+};
+
+export type SchedulingPeopleSearchResponse = {
+  groups: PeoplePickerSearchGroup[];
+};
+
+const json = (payload: unknown) => ({ method: "POST", body: JSON.stringify(payload ?? {}) });
+
+export async function searchSchedulingPeople(
+  settings: ApiSettings,
+  query: string,
+  limit = 25,
+  signal?: AbortSignal
+): Promise<PeoplePickerSearchGroup[]> {
+  const params = new URLSearchParams({ query, limit: String(limit) });
+  const response = await apiFetch<SchedulingPeopleSearchResponse>(
+    settings,
+    `/api/v1/scheduling/people?${params.toString()}`,
+    { signal }
+  );
+  return response.groups;
+}
+
+export function listSchedulingRequests(settings: ApiSettings, status?: string): Promise<SchedulingRequestListResponse> {
+  const query = status ? `?status=${encodeURIComponent(status)}` : "";
+  return apiFetch<SchedulingRequestListResponse>(settings, `/api/v1/scheduling/requests${query}`);
+}
+
+export function createSchedulingRequest(settings: ApiSettings, payload: SchedulingRequestCreatePayload): Promise<SchedulingRequest> {
+  return apiFetch<SchedulingRequest>(settings, "/api/v1/scheduling/requests", json(payload));
+}
+
+export function updateSchedulingRequest(
+  settings: ApiSettings,
+  requestId: string,
+  payload: SchedulingRequestUpdatePayload
+): Promise<SchedulingRequest> {
+  return apiFetch<SchedulingRequest>(settings, `/api/v1/scheduling/requests/${requestId}`, {
+    method: "PATCH",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function updateSchedulingCandidateSlot(
+  settings: ApiSettings,
+  requestId: string,
+  slotId: string,
+  payload: SchedulingCandidateSlotUpdatePayload
+): Promise<SchedulingRequest> {
+  return apiFetch<SchedulingRequest>(settings, `/api/v1/scheduling/requests/${requestId}/slots/${slotId}`, {
+    method: "PATCH",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function submitSchedulingAvailability(
+  settings: ApiSettings,
+  requestId: string,
+  payload: SchedulingAvailabilityPayload
+): Promise<SchedulingStatusResponse> {
+  return apiFetch<SchedulingStatusResponse>(
+    settings,
+    `/api/v1/scheduling/requests/${requestId}/responses`,
+    json(payload)
+  );
+}
+
+export function getSchedulingAvailabilityResponse(
+  settings: ApiSettings,
+  requestId: string
+): Promise<SchedulingAvailabilityResponse> {
+  return apiFetch<SchedulingAvailabilityResponse>(
+    settings,
+    `/api/v1/scheduling/requests/${requestId}/responses/me`
+  );
+}
+
+export function getPublicSchedulingParticipation(
+  settings: ApiSettings,
+  requestId: string,
+  token: string,
+  payload: SchedulingPublicParticipationAccessPayload
+): Promise<SchedulingPublicParticipationResponse> {
+  return apiFetch<SchedulingPublicParticipationResponse>(
+    settings,
+    `/api/v1/scheduling/public/${encodeURIComponent(requestId)}/${encodeURIComponent(token)}`,
+    json(payload)
+  );
+}
+
+export function submitPublicSchedulingParticipation(
+  settings: ApiSettings,
+  requestId: string,
+  token: string,
+  payload: SchedulingPublicParticipationSubmitPayload
+): Promise<SchedulingPublicParticipationResponse> {
+  return apiFetch<SchedulingPublicParticipationResponse>(
+    settings,
+    `/api/v1/scheduling/public/${encodeURIComponent(requestId)}/${encodeURIComponent(token)}/responses`,
+    json(payload)
+  );
+}
+
+export function openSchedulingRequest(settings: ApiSettings, requestId: string): Promise<SchedulingStatusResponse> {
+  return apiFetch<SchedulingStatusResponse>(settings, `/api/v1/scheduling/requests/${requestId}/open`, json({}));
+}
+
+export function closeSchedulingRequest(settings: ApiSettings, requestId: string): Promise<SchedulingStatusResponse> {
+  return apiFetch<SchedulingStatusResponse>(settings, `/api/v1/scheduling/requests/${requestId}/close`, json({}));
+}
+
+export function decideSchedulingRequest(settings: ApiSettings, requestId: string, payload: SchedulingDecisionPayload): Promise<SchedulingStatusResponse> {
+  return apiFetch<SchedulingStatusResponse>(settings, `/api/v1/scheduling/requests/${requestId}/decide`, json(payload));
+}
+
+export function evaluateSchedulingFreeBusy(settings: ApiSettings, requestId: string): Promise<SchedulingCalendarActionResponse> {
+  return apiFetch<SchedulingCalendarActionResponse>(settings, `/api/v1/scheduling/requests/${requestId}/calendar/freebusy`, json({}));
+}
+
+export function createSchedulingHolds(settings: ApiSettings, requestId: string): Promise<SchedulingCalendarActionResponse> {
+  return apiFetch<SchedulingCalendarActionResponse>(settings, `/api/v1/scheduling/requests/${requestId}/calendar/holds`, json({}));
+}
+
+export function createSchedulingCalendarEvent(settings: ApiSettings, requestId: string): Promise<SchedulingCalendarActionResponse> {
+  return apiFetch<SchedulingCalendarActionResponse>(settings, `/api/v1/scheduling/requests/${requestId}/calendar/event`, json({}));
+}
+
+export function schedulingSummary(settings: ApiSettings, requestId: string): Promise<SchedulingSummaryResponse> {
+  return apiFetch<SchedulingSummaryResponse>(settings, `/api/v1/scheduling/requests/${requestId}/summary`);
+}
+
+export function createSchedulingNotifications(settings: ApiSettings, requestId: string, eventKind: string): Promise<SchedulingNotificationListResponse> {
+  return apiFetch<SchedulingNotificationListResponse>(settings, `/api/v1/scheduling/requests/${requestId}/notifications`, json({ event_kind: eventKind }));
+}
+
+export function listSchedulingNotifications(settings: ApiSettings, requestId?: string): Promise<SchedulingNotificationListResponse> {
+  const query = requestId ? `?request_id=${encodeURIComponent(requestId)}` : "";
+  return apiFetch<SchedulingNotificationListResponse>(settings, `/api/v1/scheduling/notifications${query}`);
+}
+
+export function issueSchedulingParticipantInvitation(
+  settings: ApiSettings,
+  requestId: string,
+  participantId: string,
+  participantRevision: string,
+  action: Exclude<SchedulingInvitationAction, "revoke">
+): Promise<SchedulingInvitationActionResponse> {
+  return apiFetch<SchedulingInvitationActionResponse>(
+    settings,
+    `/api/v1/scheduling/requests/${encodeURIComponent(requestId)}/participants/${encodeURIComponent(participantId)}/invitation`,
+    json({ action, participant_revision: participantRevision })
+  );
+}
+
+export function revokeSchedulingParticipantInvitation(
+  settings: ApiSettings,
+  requestId: string,
+  participantId: string,
+  participantRevision: string
+): Promise<SchedulingInvitationActionResponse> {
+  return apiFetch<SchedulingInvitationActionResponse>(
+    settings,
+    `/api/v1/scheduling/requests/${encodeURIComponent(requestId)}/participants/${encodeURIComponent(participantId)}/invitation`,
+    { method: "DELETE", body: JSON.stringify({ participant_revision: participantRevision }) }
+  );
+}

webui/src/features/scheduling/SchedulingPublicPage.tsx

@@ -0,0 +1,275 @@
+import { useEffect, useMemo, useState, type FormEvent } from "react";
+import { Link, useParams } from "react-router-dom";
+import {
+  Button,
+  Card,
+  DismissibleAlert,
+  FormField,
+  LoadingFrame,
+  formatDateTime,
+  type ApiSettings,
+  type AuthInfo
+} from "@govoplan/core-webui";
+import {
+  getPublicSchedulingParticipation,
+  submitPublicSchedulingParticipation,
+  type SchedulingAvailabilityValue,
+  type SchedulingPublicParticipationAccessPayload,
+  type SchedulingPublicParticipationResponse
+} from "../../api/scheduling";
+import { applySchedulingAvailabilityChoice } from "./schedulingViewModel";
+
+type SchedulingPublicPageProps = {
+  settings: ApiSettings;
+  auth: AuthInfo | null;
+};
+
+const I18N = {
+  accessDetails: "i18n:govoplan-scheduling.access_details.79c06b89",
+  accessHelp: "i18n:govoplan-scheduling.enter_the_details_supplied_with_the_invitation_for_privacy.81ba419c",
+  accessRequest: "i18n:govoplan-scheduling.open_scheduling_request.31829cce",
+  alreadySubmitted: "i18n:govoplan-scheduling.responses_may_be_updated_while_this_request_remains_open.4faecbbe",
+  answerRequired: "i18n:govoplan-scheduling.choose_availability_for_at_least_one_candidate_slot.28d2111f",
+  available: "i18n:govoplan-scheduling.available.7c62a142",
+  backToScheduling: "i18n:govoplan-scheduling.open_in_scheduling.48df1541",
+  comment: "i18n:govoplan-scheduling.comment.d03495b1",
+  cancelled: "i18n:govoplan-scheduling.this_scheduling_request_was_cancelled.1af3c85e",
+  cancellationNoticeUntil: "i18n:govoplan-scheduling.cancellation_notice_available_until.f840d1e6",
+  deadline: "i18n:govoplan-scheduling.response_deadline.7fd9e3aa",
+  email: "i18n:govoplan-scheduling.participant_email.2cadfd9e",
+  invalidAccess: "i18n:govoplan-scheduling.this_scheduling_link_is_invalid_expired_or_the_access_details.8e7aa197",
+  loading: "i18n:govoplan-scheduling.loading_scheduling_request.43c39c1b",
+  maybe: "i18n:govoplan-scheduling.maybe.56dd8d0b",
+  noLongerOpen: "i18n:govoplan-scheduling.this_scheduling_request_is_no_longer_accepting_responses.c612e78a",
+  password: "i18n:govoplan-scheduling.guest_password.94545e82",
+  response: "i18n:govoplan-scheduling.your_availability.f86c8215",
+  saved: "i18n:govoplan-scheduling.your_response_has_been_recorded.b855088d",
+  submit: "i18n:govoplan-scheduling.submit_response.a5f0c053",
+  unavailable: "i18n:govoplan-scheduling.unavailable.2c9c1f79"
+} as const;
+
+function accessPayload(email: string, password: string): SchedulingPublicParticipationAccessPayload {
+  return {
+    participant_email: email.trim() || null,
+    password: password || null
+  };
+}
+
+function initialAvailability(response: SchedulingPublicParticipationResponse): Record<string, SchedulingAvailabilityValue | ""> {
+  const previous = new Map(response.answers.map((answer) => [answer.slot_id, answer.value]));
+  return Object.fromEntries(response.slots.map((slot) => [slot.id, previous.get(slot.id) ?? ""]));
+}
+
+function newIdempotencyKey(): string {
+  if (typeof crypto !== "undefined" && "randomUUID" in crypto) return crypto.randomUUID();
+  return `scheduling-response-${Date.now()}-${Math.random().toString(16).slice(2)}`;
+}
+
+export default function SchedulingPublicPage({ settings, auth }: SchedulingPublicPageProps) {
+  const { requestId = "", token = "" } = useParams();
+  const [response, setResponse] = useState<SchedulingPublicParticipationResponse | null>(null);
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [availability, setAvailability] = useState<Record<string, SchedulingAvailabilityValue | "">>({});
+  const [comment, setComment] = useState("");
+  const [loading, setLoading] = useState(true);
+  const [saving, setSaving] = useState(false);
+  const [accessAttempted, setAccessAttempted] = useState(false);
+  const [error, setError] = useState("");
+  const [success, setSuccess] = useState("");
+
+  const slotIds = useMemo(() => response?.slots.map((slot) => slot.id) ?? [], [response]);
+  const collecting = response?.status === "collecting";
+
+  function applyResponse(next: SchedulingPublicParticipationResponse) {
+    setResponse(next);
+    setAvailability(initialAvailability(next));
+    setComment(next.comment ?? "");
+    setError("");
+  }
+
+  useEffect(() => {
+    let cancelled = false;
+    setLoading(true);
+    setResponse(null);
+    setAccessAttempted(false);
+    setError("");
+    void getPublicSchedulingParticipation(settings, requestId, token, {})
+      .then((next) => {
+        if (!cancelled) applyResponse(next);
+      })
+      .catch(() => undefined)
+      .finally(() => {
+        if (!cancelled) setLoading(false);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, [requestId, settings.apiBaseUrl, settings.apiKey, token]);
+
+  async function openRequest(event: FormEvent) {
+    event.preventDefault();
+    setLoading(true);
+    setAccessAttempted(true);
+    setError("");
+    try {
+      applyResponse(await getPublicSchedulingParticipation(settings, requestId, token, accessPayload(email, password)));
+    } catch {
+      setResponse(null);
+      setError(I18N.invalidAccess);
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  async function saveResponse(event: FormEvent) {
+    event.preventDefault();
+    if (!response) return;
+    if (!response.slots.some((slot) => availability[slot.id])) {
+      setError(I18N.answerRequired);
+      return;
+    }
+    setSaving(true);
+    setError("");
+    setSuccess("");
+    try {
+      const next = await submitPublicSchedulingParticipation(settings, requestId, token, {
+        ...accessPayload(email, password),
+        answers: response.slots
+          .filter((slot) => availability[slot.id])
+          .map((slot) => ({
+            slot_id: slot.id,
+            value: availability[slot.id] as SchedulingAvailabilityValue,
+            option_revision: slot.revision
+          })),
+        comment: response.allow_comments ? comment : null,
+        idempotency_key: newIdempotencyKey()
+      });
+      applyResponse(next);
+      setSuccess(I18N.saved);
+    } catch {
+      setError(I18N.invalidAccess);
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return (
+    <main className="scheduling-public-page">
+      <LoadingFrame loading={loading} label={I18N.loading}>
+        {auth && (
+          <div className="scheduling-public-deep-link">
+            <Link className="btn btn-secondary" to={`/scheduling?request_id=${encodeURIComponent(requestId)}`}>
+              {I18N.backToScheduling}
+            </Link>
+          </div>
+        )}
+
+        {!response && !loading && (
+          <Card title={I18N.accessDetails}>
+            <form className="scheduling-public-access-form" onSubmit={openRequest}>
+              <p className="muted">{I18N.accessHelp}</p>
+              {accessAttempted && error && <DismissibleAlert tone="danger">{error}</DismissibleAlert>}
+              <div className="form-grid two-col">
+                <FormField label={I18N.email}>
+                  <input
+                    type="email"
+                    autoComplete="email"
+                    value={email}
+                    onChange={(event) => setEmail(event.target.value)}
+                  />
+                </FormField>
+                <FormField label={I18N.password}>
+                  <input
+                    type="password"
+                    autoComplete="current-password"
+                    value={password}
+                    onChange={(event) => setPassword(event.target.value)}
+                  />
+                </FormField>
+              </div>
+              <div className="scheduling-public-actions">
+                <Button type="submit" variant="primary">{I18N.accessRequest}</Button>
+              </div>
+            </form>
+          </Card>
+        )}
+
+        {response && (
+          <form className="scheduling-public-content" onSubmit={saveResponse}>
+            <Card title={response.title}>
+              {response.description && <p className="scheduling-public-description">{response.description}</p>}
+              <dl className="scheduling-public-summary">
+                {response.location && <><dt>i18n:govoplan-scheduling.location.d219c681</dt><dd>{response.location}</dd></>}
+                {response.deadline_at && <><dt>{I18N.deadline}</dt><dd>{formatDateTime(response.deadline_at)}</dd></>}
+              </dl>
+              {response.cancellation_notice_only
+                ? <DismissibleAlert tone="warning" dismissible={false}>{I18N.cancelled}</DismissibleAlert>
+                : !collecting && <DismissibleAlert tone="info" dismissible={false}>{I18N.noLongerOpen}</DismissibleAlert>}
+              {response.has_response && collecting && <DismissibleAlert tone="info" dismissible={false}>{I18N.alreadySubmitted}</DismissibleAlert>}
+              {response.cancellation_notice_only && response.cancellation_notice_until && (
+                <p className="muted">{I18N.cancellationNoticeUntil}: {formatDateTime(response.cancellation_notice_until)}</p>
+              )}
+            </Card>
+
+            {error && <DismissibleAlert tone="danger">{error}</DismissibleAlert>}
+            {success && <DismissibleAlert tone="success">{success}</DismissibleAlert>}
+
+            {!response.cancellation_notice_only && <Card title={I18N.response}>
+              <div className="scheduling-public-slots">
+                {response.slots.map((slot) => (
+                  <fieldset className="scheduling-public-slot" key={slot.id} disabled={!collecting || saving}>
+                    <legend>{slot.label}</legend>
+                    <p>{formatDateTime(slot.start_at)} – {formatDateTime(slot.end_at)}</p>
+                    {slot.description && <p className="muted">{slot.description}</p>}
+                    {(slot.location || response.location) && <p className="muted">{slot.location || response.location}</p>}
+                    <div className="scheduling-public-choice-group">
+                      {([
+                        ["available", I18N.available],
+                        ...(response.allow_maybe ? [["maybe", I18N.maybe] as const] : []),
+                        ["unavailable", I18N.unavailable]
+                      ] as Array<[SchedulingAvailabilityValue, string]>).map(([value, label]) => (
+                        <label key={value}>
+                          <input
+                            type="radio"
+                            name={`slot-${slot.id}`}
+                            value={value}
+                            checked={availability[slot.id] === value}
+                            onChange={() => setAvailability((current) => applySchedulingAvailabilityChoice(
+                              slotIds,
+                              current,
+                              slot.id,
+                              value,
+                              response.single_choice
+                            ))}
+                          />
+                          <span>{label}</span>
+                        </label>
+                      ))}
+                    </div>
+                  </fieldset>
+                ))}
+              </div>
+              {response.allow_comments && (
+                <FormField label={I18N.comment}>
+                  <textarea
+                    rows={4}
+                    maxLength={4000}
+                    disabled={!collecting || saving}
+                    value={comment}
+                    onChange={(event) => setComment(event.target.value)}
+                  />
+                </FormField>
+              )}
+              {collecting && (
+                <div className="scheduling-public-actions">
+                  <Button type="submit" variant="primary" disabled={saving}>{I18N.submit}</Button>
+                </div>
+              )}
+            </Card>}
+          </form>
+        )}
+      </LoadingFrame>
+    </main>
+  );
+}

webui/src/features/scheduling/schedulingViewModel.ts

@@ -0,0 +1,370 @@
+import type {
+  SchedulingAvailabilityValue,
+  SchedulingParticipant,
+  SchedulingParticipantPayload,
+  SchedulingRequest
+} from "../../api/scheduling";
+import type { PeoplePickerItem } from "@govoplan/core-webui";
+
+const DIRECTORY_SELECTION_METADATA_KEY = "directory_selection";
+
+export type SchedulingParticipantDraft = PeoplePickerItem & {
+  draftId: string;
+  sourceId?: string;
+  revision?: string;
+  respondent_id?: string | null;
+  display_name: string;
+  email: string;
+  participant_type: "internal" | "external" | "resource";
+  required: boolean;
+  metadata?: Record<string, unknown>;
+  identityLocked?: boolean;
+};
+
+export type SchedulingActor = {
+  accountId?: string | null;
+  userId?: string | null;
+  membershipId?: string | null;
+  identityId?: string | null;
+  email?: string | null;
+};
+
+export type SchedulingRequestGroups = {
+  owned: SchedulingRequest[];
+  invited: SchedulingRequest[];
+  other: SchedulingRequest[];
+};
+
+export type SchedulingSortPhase =
+  | "unanswered"
+  | "answered"
+  | "closed"
+  | "determined"
+  | "past";
+
+export type SchedulingInvitationActionBlock =
+  | "participation_policy_unavailable"
+  | "cancellation_notice_expired"
+  | "delivery_unavailable"
+  | "no_delivery_target"
+  | "no_active_invitation"
+  | "participant_revision_unavailable";
+
+export type SchedulingInvitationActionBlocks = {
+  copy: SchedulingInvitationActionBlock | null;
+  send: SchedulingInvitationActionBlock | null;
+  revoke: SchedulingInvitationActionBlock | null;
+};
+
+type DirectorySelection = {
+  selection_key?: string;
+  kind?: PeoplePickerItem["kind"];
+  reference_id?: string | null;
+  source_module?: string | null;
+  source_label?: string | null;
+  source_revision?: string | null;
+};
+
+function directorySelection(metadata?: Record<string, unknown>): DirectorySelection | null {
+  const value = metadata?.[DIRECTORY_SELECTION_METADATA_KEY];
+  if (!value || typeof value !== "object" || Array.isArray(value)) return null;
+  return value as DirectorySelection;
+}
+
+function normalizedParticipantType(value: string | null): SchedulingParticipantDraft["participant_type"] {
+  return value === "internal" || value === "resource" ? value : "external";
+}
+
+function selectionMetadata(item: PeoplePickerItem): Record<string, unknown> {
+  if (item.kind === "external") return {};
+  return {
+    [DIRECTORY_SELECTION_METADATA_KEY]: {
+      selection_key: item.selection_key,
+      kind: item.kind,
+      reference_id: item.reference_id ?? null,
+      source_module: item.source_module ?? null,
+      source_label: item.source_label ?? null,
+      source_revision: item.source_revision ?? null
+    }
+  };
+}
+
+export function participantDraftFromResponse(
+  participant: SchedulingParticipant,
+  draftId: string
+): SchedulingParticipantDraft {
+  const selection = directorySelection(participant.metadata);
+  const kind = selection?.kind ?? (participant.respondent_id ? "account" : "external");
+  const referenceId = selection?.reference_id
+    ?? (kind === "account" ? participant.respondent_id : null);
+  const email = participant.email?.trim().toLowerCase() || null;
+  return {
+    selection_key: selection?.selection_key
+      ?? (email ? `${kind}:${email}` : `${kind}:participant:${participant.id}`),
+    kind,
+    reference_id: referenceId,
+    display_name: participant.display_name?.trim() || email || "—",
+    email: email ?? "",
+    source_module: selection?.source_module ?? null,
+    source_label: selection?.source_label ?? null,
+    source_revision: selection?.source_revision ?? null,
+    draftId,
+    sourceId: participant.id,
+    revision: participant.revision ?? undefined,
+    respondent_id: participant.respondent_id,
+    participant_type: normalizedParticipantType(participant.participant_type),
+    required: participant.required ?? true,
+    metadata: participant.metadata ?? {},
+    identityLocked: Boolean(participant.poll_invitation_id)
+  };
+}
+
+export function participantDraftsFromPicker(
+  selected: PeoplePickerItem[],
+  current: SchedulingParticipantDraft[],
+  nextDraftId: () => string
+): SchedulingParticipantDraft[] {
+  const currentByKey = new Map(current.map((participant) => [participant.selection_key, participant]));
+  return selected.map((item) => {
+    const existing = currentByKey.get(item.selection_key);
+    if (existing) return existing;
+    const kind = item.kind === "account" ? "account" : item.kind === "contact" ? "contact" : "external";
+    return {
+      ...item,
+      kind,
+      email: item.email?.trim().toLowerCase() || "",
+      draftId: nextDraftId(),
+      respondent_id: kind === "account" ? item.reference_id ?? null : null,
+      participant_type: kind === "account" ? "internal" : "external",
+      required: true,
+      metadata: selectionMetadata(item),
+      identityLocked: false
+    };
+  });
+}
+
+export function participantPayload(
+  participant: SchedulingParticipantDraft
+): SchedulingParticipantPayload & { id?: string; revision?: string } {
+  return {
+    ...(participant.sourceId
+      ? { id: participant.sourceId, revision: participant.revision }
+      : {}),
+    respondent_id: participant.respondent_id ?? null,
+    display_name: participant.display_name.trim() || null,
+    email: participant.email.trim() || null,
+    participant_type: participant.participant_type,
+    required: participant.required,
+    metadata: participant.metadata ?? {}
+  };
+}
+
+export function schedulingActorIds(actor: SchedulingActor): string[] {
+  return Array.from(new Set([
+    actor.accountId,
+    actor.userId,
+    actor.membershipId,
+    actor.identityId,
+    actor.email
+  ].filter((value): value is string => Boolean(value)).flatMap((value) =>
+    value.includes("@") ? [value, value.trim().toLowerCase()] : [value]
+  )));
+}
+
+export function schedulingParticipantForActor(
+  request: SchedulingRequest,
+  actor: SchedulingActor
+): SchedulingParticipant | null {
+  const projected = request.participants.find(
+    (participant) => participant.is_current_participant
+  );
+  if (projected) return projected;
+  const ids = new Set(schedulingActorIds(actor));
+  return request.participants.find((participant) => {
+    const email = participant.email?.trim().toLowerCase();
+    return Boolean(
+      (participant.respondent_id && ids.has(participant.respondent_id)) ||
+      (email && ids.has(email))
+    );
+  }) ?? null;
+}
+
+export function schedulingRequestIsOwned(
+  request: SchedulingRequest,
+  actor: SchedulingActor
+): boolean {
+  return Boolean(
+    request.organizer_user_id &&
+    schedulingActorIds(actor).includes(request.organizer_user_id)
+  );
+}
+
+export function schedulingSortPhase(
+  request: SchedulingRequest,
+  actor: SchedulingActor,
+  now = new Date()
+): SchedulingSortPhase {
+  if (schedulingRequestIsPast(request, now)) return "past";
+  if (["decided", "handed_off"].includes(request.status)) return "determined";
+  if (["closed", "cancelled", "archived"].includes(request.status)) return "closed";
+  if (schedulingRequestIsOwned(request, actor)) return "unanswered";
+  const participant = schedulingParticipantForActor(request, actor);
+  return participant && ["responded", "declined"].includes(participant.status)
+    ? "answered"
+    : "unanswered";
+}
+
+export function compareSchedulingRequests(
+  left: SchedulingRequest,
+  right: SchedulingRequest,
+  actor: SchedulingActor,
+  now = new Date()
+): number {
+  const leftPhase = schedulingSortPhase(left, actor, now);
+  const rightPhase = schedulingSortPhase(right, actor, now);
+  const phaseDifference = SORT_PHASE_ORDER[leftPhase] - SORT_PHASE_ORDER[rightPhase];
+  if (phaseDifference !== 0) return phaseDifference;
+  const leftDate = schedulingRelevantTimestamp(left, now);
+  const rightDate = schedulingRelevantTimestamp(right, now);
+  const dateDifference = leftPhase === "past"
+    ? rightDate - leftDate
+    : leftDate - rightDate;
+  if (dateDifference !== 0) return dateDifference;
+  const titleDifference = left.title.localeCompare(right.title);
+  return titleDifference || left.id.localeCompare(right.id);
+}
+
+export function groupSchedulingRequests(
+  requests: SchedulingRequest[],
+  actor: SchedulingActor,
+  now = new Date()
+): SchedulingRequestGroups {
+  const groups: SchedulingRequestGroups = { owned: [], invited: [], other: [] };
+  for (const request of requests) {
+    if (schedulingRequestIsOwned(request, actor)) {
+      groups.owned.push(request);
+    } else if (schedulingParticipantForActor(request, actor)) {
+      groups.invited.push(request);
+    } else {
+      groups.other.push(request);
+    }
+  }
+  for (const group of Object.values(groups)) {
+    group.sort((left, right) => compareSchedulingRequests(left, right, actor, now));
+  }
+  return groups;
+}
+
+export function schedulingRelevantTimestamp(
+  request: SchedulingRequest,
+  now = new Date()
+): number {
+  const nowValue = now.getTime();
+  const futureStarts = request.slots
+    .map((slot) => Date.parse(slot.start_at))
+    .filter((value) => Number.isFinite(value) && value >= nowValue)
+    .sort((left, right) => left - right);
+  if (futureStarts[0] !== undefined) return futureStarts[0];
+  const slotEnds = request.slots
+    .map((slot) => Date.parse(slot.end_at))
+    .filter(Number.isFinite);
+  if (slotEnds.length) return Math.max(...slotEnds);
+  const fallback = Date.parse(request.deadline_at || request.updated_at || request.created_at);
+  return Number.isFinite(fallback) ? fallback : Number.MAX_SAFE_INTEGER;
+}
+
+export function schedulingRequestIsPast(
+  request: SchedulingRequest,
+  now = new Date()
+): boolean {
+  if (!request.slots.length) return false;
+  const slotEnds = request.slots.map((slot) => Date.parse(slot.end_at));
+  return slotEnds.every((value) => Number.isFinite(value) && value < now.getTime());
+}
+
+export function schedulingInvitationActionBlocks(
+  request: SchedulingRequest,
+  participant: SchedulingParticipant,
+  now = new Date()
+): SchedulingInvitationActionBlocks {
+  if (!participant.revision) {
+    return {
+      copy: "participant_revision_unavailable",
+      send: "participant_revision_unavailable",
+      revoke: "participant_revision_unavailable"
+    };
+  }
+  const policyAvailable = Boolean(
+    request.poll_id &&
+    request.public_participation_policy_enforcement_available === true
+  );
+  let issueBlock: SchedulingInvitationActionBlock | null = policyAvailable
+    ? null
+    : "participation_policy_unavailable";
+  if (!issueBlock && request.status === "cancelled") {
+    const noticeUntil = request.cancellation_notice_until
+      ? Date.parse(request.cancellation_notice_until)
+      : Number.NaN;
+    if (!Number.isFinite(noticeUntil) || noticeUntil <= now.getTime()) {
+      issueBlock = "cancellation_notice_expired";
+    }
+  }
+
+  const respondentId = participant.respondent_id?.trim() ?? "";
+  const hasDeliveryTarget = Boolean(
+    participant.email?.trim() ||
+    (respondentId && !respondentId.startsWith("scheduling-participant:"))
+  );
+  const sendBlock = issueBlock
+    ?? (request.participant_invitation_delivery_available === true
+      ? null
+      : "delivery_unavailable")
+    ?? (hasDeliveryTarget ? null : "no_delivery_target");
+  const revokeBlock = participant.poll_invitation_id
+    ? (policyAvailable ? null : "participation_policy_unavailable")
+    : "no_active_invitation";
+
+  return { copy: issueBlock, send: sendBlock, revoke: revokeBlock };
+}
+
+export function schedulingPublicInvitationUrl(
+  actionUrl: string,
+  applicationOrigin: string
+): string | null {
+  try {
+    const origin = new URL(applicationOrigin);
+    const url = new URL(actionUrl, origin);
+    if (url.origin !== origin.origin || !url.pathname.startsWith("/scheduling/public/")) return null;
+    return url.toString();
+  } catch {
+    return null;
+  }
+}
+
+export function applySchedulingAvailabilityChoice(
+  slotIds: string[],
+  current: Record<string, SchedulingAvailabilityValue | "">,
+  slotId: string,
+  value: SchedulingAvailabilityValue | "",
+  singleChoice: boolean
+): Record<string, SchedulingAvailabilityValue | ""> {
+  if (!singleChoice || !["available", "maybe"].includes(value)) {
+    return { ...current, [slotId]: value };
+  }
+  return Object.fromEntries(slotIds.map((candidateId) => [
+    candidateId,
+    candidateId === slotId
+      ? value
+      : current[candidateId] && current[candidateId] !== "unavailable"
+        ? "unavailable"
+        : current[candidateId] ?? ""
+  ]));
+}
+
+const SORT_PHASE_ORDER: Record<SchedulingSortPhase, number> = {
+  unanswered: 0,
+  answered: 1,
+  closed: 2,
+  determined: 3,
+  past: 4
+};

webui/src/i18n/generatedTranslations.ts

@@ -0,0 +1,346 @@
+export const generatedTranslations = {
+  en: {
+    "i18n:govoplan-scheduling.access_details.79c06b89": "Access details",
+    "i18n:govoplan-scheduling.automatic_invitation_delivery_is_unavailable_copy_the_link_instead.4e39d0b3": "Automatic invitation delivery is unavailable; copy the link instead.",
+    "i18n:govoplan-scheduling.cancellation_notice_available_until.f840d1e6": "Cancellation notice available until",
+    "i18n:govoplan-scheduling.copy_a_fresh_invitation_link_for_value0.e3799c79": "Copy a fresh invitation link for {value0}",
+    "i18n:govoplan-scheduling.enter_the_details_supplied_with_the_invitation_for_privacy.81ba419c": "Enter the details supplied with the invitation. For privacy, invalid and expired links use the same response.",
+    "i18n:govoplan-scheduling.loading_scheduling_request.43c39c1b": "Loading scheduling request…",
+    "i18n:govoplan-scheduling.invitation_delivery_failed_the_link_was_created_but_was_not_delivered.8db0c306": "Invitation delivery failed. The link was created but was not delivered.",
+    "i18n:govoplan-scheduling.invitation_delivery_requested.1aaa78ba": "Invitation delivery requested.",
+    "i18n:govoplan-scheduling.invitation_link_copied.332973ec": "Invitation link copied.",
+    "i18n:govoplan-scheduling.invitation_link_revoked.c7dd20d4": "Invitation link revoked.",
+    "i18n:govoplan-scheduling.no_active_invitation_link_to_revoke.4ad0f0cc": "No active invitation link to revoke.",
+    "i18n:govoplan-scheduling.open_in_scheduling.48df1541": "Open in Scheduling",
+    "i18n:govoplan-scheduling.open_scheduling_request.31829cce": "Open scheduling request",
+    "i18n:govoplan-scheduling.response_deadline.7fd9e3aa": "Response deadline",
+    "i18n:govoplan-scheduling.reload_the_request_before_changing_this_invitation.9e685df4": "Reload the request before changing this invitation.",
+    "i18n:govoplan-scheduling.participant.554f4235": "Participant",
+    "i18n:govoplan-scheduling.revoke_invitation_link.87bf89cf": "Revoke invitation link",
+    "i18n:govoplan-scheduling.revoke_link.da371ee1": "Revoke link",
+    "i18n:govoplan-scheduling.revoke_the_current_invitation_link_for_value0_it_will_stop_working_immediately.3cdc5817": "Revoke the current invitation link for {value0}? It will stop working immediately.",
+    "i18n:govoplan-scheduling.revoke_the_invitation_link_for_value0.15a9c9fa": "Revoke the invitation link for {value0}",
+    "i18n:govoplan-scheduling.send_a_fresh_invitation_to_value0.fd8d9dea": "Send a fresh invitation to {value0}",
+    "i18n:govoplan-scheduling.the_cancellation_notice_has_expired_a_new_link_cannot_be_issued.9c6ccc7c": "The cancellation notice has expired; a new link cannot be issued.",
+    "i18n:govoplan-scheduling.the_invitation_link_could_not_be_copied_check_browser_clipboard_permissions_and_try_again.a8b17cbc": "The invitation link could not be copied. Check browser clipboard permissions and try again.",
+    "i18n:govoplan-scheduling.this_participant_has_no_deliverable_email_address_or_account.dbe14180": "This participant has no deliverable email address or account.",
+    "i18n:govoplan-scheduling.this_invitation_changed_the_request_was_reloaded_try_again.c7095533": "This invitation changed. The request was reloaded; try again.",
+    "i18n:govoplan-scheduling.this_scheduling_link_is_invalid_expired_or_the_access_details.8e7aa197": "This scheduling link is invalid, expired, or the access details do not match.",
+    "i18n:govoplan-scheduling.this_scheduling_request_was_cancelled.1af3c85e": "This scheduling request was cancelled.",
+    "i18n:govoplan-scheduling.this_scheduling_request_is_no_longer_accepting_responses.c612e78a": "This scheduling request is no longer accepting responses.",
+    "i18n:govoplan-scheduling.your_availability.f86c8215": "Your availability",
+    "i18n:govoplan-scheduling.save_or_discard_your_unsent_availability_changes_before_leaving.97e10df1": "Save or discard your unsent availability changes before leaving.",
+    "i18n:govoplan-scheduling.a_slot_can_be_selected_after_the_request_is_closed.f91ec02d": "A slot can be selected after the request is closed.",
+    "i18n:govoplan-scheduling.add_maybe_between_yes_and_no_for_each_candidate_slot.74dc9db6": "Add Maybe between Available and Unavailable for each candidate slot.",
+    "i18n:govoplan-scheduling.allow_comments.d63202a6": "Allow comments",
+    "i18n:govoplan-scheduling.allow_external_participants.a9efcb52": "Allow external participants",
+    "i18n:govoplan-scheduling.awaiting.42aa82e0": "Awaiting",
+    "i18n:govoplan-scheduling.capacity.d3c375f8": "Capacity",
+    "i18n:govoplan-scheduling.comment.d03495b1": "Comment",
+    "i18n:govoplan-scheduling.create_an_organizer_notification_whenever_a_response_is.253ddca8": "Create an organizer notification whenever a response is submitted or updated.",
+    "i18n:govoplan-scheduling.each_participant_can_answer_yes_to_at_most_one_candidate.5313a465": "Each participant can select Available or Maybe for at most one candidate slot.",
+    "i18n:govoplan-scheduling.edit_scheduling_request.7e749c19": "Edit scheduling request",
+    "i18n:govoplan-scheduling.invited_participant_identity_is_locked_remove_and_add_the_participant_to_change_it.34e1201a": "An invited participant's name and email are locked. Remove and add the participant to change them.",
+    "i18n:govoplan-scheduling.guest_links_are_not_issued_while_the_configured_participation.0794ebf0": "Guest links are not issued while the configured participation controls cannot be enforced by the public response gateway. Signed-in participants can still respond here.",
+    "i18n:govoplan-scheduling.guest_password.94545e82": "Guest password",
+    "i18n:govoplan-scheduling.let_participants_add_a_comment_to_their_response.9dce8d17": "Let participants add a comment to their response.",
+    "i18n:govoplan-scheduling.limit_participants_per_option.1e9aa51d": "Limit participants per option",
+    "i18n:govoplan-scheduling.maximum_participants_per_option.5abdfb27": "Maximum participants per option",
+    "i18n:govoplan-scheduling.notify_me_about_each_answer.505749d6": "Notify me about each answer",
+    "i18n:govoplan-scheduling.participants_can_choose_only_one_option.4311f51c": "Participants can choose only one option",
+    "i18n:govoplan-scheduling.participation.9ad70cc4": "Participation",
+    "i18n:govoplan-scheduling.participation_rate.46bc5504": "Participation rate",
+    "i18n:govoplan-scheduling.participation_settings.8dc6f62c": "Participation settings",
+    "i18n:govoplan-scheduling.participant_privacy.108c470f": "Participant privacy",
+    "i18n:govoplan-scheduling.participation_controls_are_locked_after_invitation_links_are_issued.66f5a740": "Participation controls are locked after invitation links are issued. Participant visibility and answer notifications can still be changed.",
+    "i18n:govoplan-scheduling.password_protect_guest_access.13d7f08b": "Password-protect guest access",
+    "i18n:govoplan-scheduling.people_responding_without_an_account_must_provide_an_email.19fd3dc8": "People responding without an account must provide an email address.",
+    "i18n:govoplan-scheduling.people_who_are_not_signed_in_must_enter_this_password.82bcc4ce": "People who are not signed in must enter this password before viewing the request.",
+    "i18n:govoplan-scheduling.search_visible_accounts_and_contacts_or_add_an_external_perso.877f6b44": "Search accounts and contacts you are allowed to discover. If external participants are enabled, you can also add a name and email address manually.",
+    "i18n:govoplan-scheduling.when_enabled_people_outside_the_configured_accounts_and.78829735": "When enabled, people outside the configured accounts and contacts can be added manually.",
+    "i18n:govoplan-scheduling.provide_a_maybe_option.e39da57a": "Provide a Maybe option",
+    "i18n:govoplan-scheduling.require_an_email_address_from_guests.c2289a58": "Require an email address from guests",
+    "i18n:govoplan-scheduling.responses.3427e3ab": "Responses",
+    "i18n:govoplan-scheduling.response_results_are_not_available_for_this_view.1e82db18": "Response results are not available for this view.",
+    "i18n:govoplan-scheduling.notifications_could_not_be_loaded.f0e1b2c3": "Notifications could not be loaded.",
+    "i18n:govoplan-scheduling.stop_accepting_yes_responses_for_an_option_when_its_limit.79af21db": "Stop accepting Available responses for an option when its limit is reached.",
+    "i18n:govoplan-scheduling.use_at_least_8_characters_the_password_is_never_displayed.035708a2": "Use at least 8 characters. The password is never displayed after it is saved.",
+    "i18n:govoplan-scheduling.add_participant.6cff957d": "Add participant",
+    "i18n:govoplan-scheduling.add_scheduling_request.3c71be15": "Add scheduling request",
+    "i18n:govoplan-scheduling.add_slot.9fcff3ed": "Add slot",
+    "i18n:govoplan-scheduling.answered.e0aafffa": "Answered",
+    "i18n:govoplan-scheduling.available.7c62a142": "Available",
+    "i18n:govoplan-scheduling.awaiting_response.ee646ea9": "Awaiting response",
+    "i18n:govoplan-scheduling.basic_information.d8bc7383": "Basic information",
+    "i18n:govoplan-scheduling.busy.592a9d16": "Busy",
+    "i18n:govoplan-scheduling.calendar.adab5090": "Calendar",
+    "i18n:govoplan-scheduling.calendar_coordination.291ab00a": "Calendar coordination",
+    "i18n:govoplan-scheduling.configured_calendar.e2e8ebd5": "Configured calendar",
+    "i18n:govoplan-scheduling.calendar_integration.181ad18b": "Calendar integration",
+    "i18n:govoplan-scheduling.calendar_integration_requires_the_calendar_module_plus_c.f892cb1e": "Calendar integration requires the Calendar module plus calendar-read, availability-read, and event-write access.",
+    "i18n:govoplan-scheduling.candidate_availability.9541c4b5": "Candidate availability",
+    "i18n:govoplan-scheduling.candidate_slots.c414946b": "Candidate slots",
+    "i18n:govoplan-scheduling.check_free_busy.e9700e00": "Check free/busy",
+    "i18n:govoplan-scheduling.choose_availability.ac95b8f6": "Choose availability",
+    "i18n:govoplan-scheduling.choose_availability_for_at_least_one_candidate_slot.28d2111f": "Choose availability for at least one candidate slot.",
+    "i18n:govoplan-scheduling.close_poll.a6a18916": "Close poll",
+    "i18n:govoplan-scheduling.close_stops_accepting_new_availability_responses.a1d57519": "Close stops accepting new availability responses.",
+    "i18n:govoplan-scheduling.closed.88d86b77": "Closed",
+    "i18n:govoplan-scheduling.create_calendar_event.0b87cfcf": "Create calendar event",
+    "i18n:govoplan-scheduling.create_tentative_holds.51c4744e": "Create tentative holds",
+    "i18n:govoplan-scheduling.cancellation.319aaae4": "Cancellation",
+    "i18n:govoplan-scheduling.decision.7f59a1f1": "Decision",
+    "i18n:govoplan-scheduling.declined.ff59b80f": "Declined",
+    "i18n:govoplan-scheduling.decide_on_value.196409cd": "Decide on {value0}",
+    "i18n:govoplan-scheduling.description.55f8ebc8": "Description",
+    "i18n:govoplan-scheduling.determined.9f23293d": "Determined",
+    "i18n:govoplan-scheduling.discard.36fff63c": "Discard",
+    "i18n:govoplan-scheduling.discard_this_unsaved_scheduling_request.4a956be2": "Discard this unsaved scheduling request?",
+    "i18n:govoplan-scheduling.draft.23d33e22": "Draft",
+    "i18n:govoplan-scheduling.end.a2bb9d34": "End",
+    "i18n:govoplan-scheduling.error.7f2f6a15": "Error",
+    "i18n:govoplan-scheduling.every_candidate_slot_must_end_after_it_starts.47836010": "Every candidate slot must end after it starts.",
+    "i18n:govoplan-scheduling.failed.09fef5d8": "Failed",
+    "i18n:govoplan-scheduling.free.75f52718": "Free",
+    "i18n:govoplan-scheduling.free_busy_checks_each_candidate_slot_against_the_selecte.50f0371a": "Free/busy checks each candidate slot against the selected calendar.",
+    "i18n:govoplan-scheduling.loading_scheduling_requests.f42be95d": "Loading scheduling requests…",
+    "i18n:govoplan-scheduling.invitation.6306ef74": "Invitation",
+    "i18n:govoplan-scheduling.invited.53469df1": "Invited",
+    "i18n:govoplan-scheduling.location.d219c681": "Location",
+    "i18n:govoplan-scheduling.managed_scheduling_requests.7a45972f": "Managed scheduling requests",
+    "i18n:govoplan-scheduling.maybe.56dd8d0b": "Maybe",
+    "i18n:govoplan-scheduling.my_scheduling_requests.d28ef235": "My scheduling requests",
+    "i18n:govoplan-scheduling.name.709a2322": "Name",
+    "i18n:govoplan-scheduling.new_scheduling_request.2080f675": "New scheduling request",
+    "i18n:govoplan-scheduling.no_notifications_have_been_created.c8d43ca3": "No notifications have been created.",
+    "i18n:govoplan-scheduling.no_participants.73a89101": "No participants",
+    "i18n:govoplan-scheduling.no_requests_in_this_group.a63c1b40": "No requests in this group",
+    "i18n:govoplan-scheduling.no_scheduling_request_selected.ac940664": "No scheduling request selected",
+    "i18n:govoplan-scheduling.notifications.753a22b2": "Notifications",
+    "i18n:govoplan-scheduling.open.cf9b7706": "Open",
+    "i18n:govoplan-scheduling.open_poll.2beac9a7": "Open poll",
+    "i18n:govoplan-scheduling.open_starts_collecting_availability_responses.c8ec34e5": "Open starts collecting availability responses.",
+    "i18n:govoplan-scheduling.option_value.3f643dc0": "Option {value0}",
+    "i18n:govoplan-scheduling.other_scheduling_requests.5cb6eb30": "Other scheduling requests",
+    "i18n:govoplan-scheduling.participant_email.2cadfd9e": "Participant email",
+    "i18n:govoplan-scheduling.participant_names_and_statuses_are_hidden_aggregate_counts_r.d811a69a": "Participant names and statuses are hidden. Aggregate counts remain visible.",
+    "i18n:govoplan-scheduling.share_participant_names_and_response_statuses.df0bf9e0": "Share participant names and response statuses",
+    "i18n:govoplan-scheduling.when_enabled_participants_can_see_other_participants_names.3ac78361": "When enabled, participants can see other participants' names and response statuses. Email addresses and invitation details remain private.",
+    "i18n:govoplan-scheduling.participants.cd56e083": "Participants",
+    "i18n:govoplan-scheduling.past.405c12fb": "Past",
+    "i18n:govoplan-scheduling.pending.96f608c1": "Pending",
+    "i18n:govoplan-scheduling.queued.6a599877": "Queued",
+    "i18n:govoplan-scheduling.refresh_requests.0a3ed7a1": "Refresh requests",
+    "i18n:govoplan-scheduling.reminder_creates_a_notification_job_for_every_active_par.7ec68797": "Reminder creates a notification job for every active participant.",
+    "i18n:govoplan-scheduling.remove.e963907d": "Remove",
+    "i18n:govoplan-scheduling.remove_participant_value.e55f2b70": "Remove participant {value0}",
+    "i18n:govoplan-scheduling.remove_slot_value.3adc7576": "Remove slot {value0}",
+    "i18n:govoplan-scheduling.removed.b5e77c5c": "Removed",
+    "i18n:govoplan-scheduling.reminder.b87a1929": "Reminder",
+    "i18n:govoplan-scheduling.request_failed.9fcda32c": "Request failed",
+    "i18n:govoplan-scheduling.required.eed6bfb4": "Required",
+    "i18n:govoplan-scheduling.requires_calendar_availability_read_access.b48ed91b": "Requires Calendar availability-read access.",
+    "i18n:govoplan-scheduling.requires_calendar_event_write_access.887b0763": "Requires Calendar event-write access.",
+    "i18n:govoplan-scheduling.responses_may_be_updated_while_this_request_remains_open.4faecbbe": "Responses may be updated while this request remains open.",
+    "i18n:govoplan-scheduling.responded.4f218211": "Responded",
+    "i18n:govoplan-scheduling.save.efc007a3": "Save",
+    "i18n:govoplan-scheduling.saving.56a2285c": "Saving…",
+    "i18n:govoplan-scheduling.scheduling_requests.b3c12f4d": "Scheduling requests",
+    "i18n:govoplan-scheduling.scheduling_request_title_is_required.a27338be": "Scheduling request title is required.",
+    "i18n:govoplan-scheduling.scheduling_requests_for_me.1d521aba": "Scheduling requests for me",
+    "i18n:govoplan-scheduling.select_a_calendar.f6af95bb": "Select a calendar",
+    "i18n:govoplan-scheduling.select_a_calendar_or_turn_off_calendar_integration.cc3652a9": "Select a calendar or turn off Calendar integration.",
+    "i18n:govoplan-scheduling.send_reminder.cf5eb3bf": "Send reminder",
+    "i18n:govoplan-scheduling.sending.ceafde86": "Sending",
+    "i18n:govoplan-scheduling.sent.35f49dcf": "Sent",
+    "i18n:govoplan-scheduling.skipped.5a000ad7": "Skipped",
+    "i18n:govoplan-scheduling.start.952f3754": "Start",
+    "i18n:govoplan-scheduling.status.bae7d5be": "Status",
+    "i18n:govoplan-scheduling.submit_response.a5f0c053": "Submit response",
+    "i18n:govoplan-scheduling.tentative_holds_create_one_provisional_calendar_event_pe.ff3f1884": "Tentative holds create one provisional calendar event per candidate slot.",
+    "i18n:govoplan-scheduling.the_final_event_is_created_only_for_the_selected_slot.e3621252": "The final event is created only for the selected slot.",
+    "i18n:govoplan-scheduling.the_response_replaces_your_previous_availability_choices.74c16d53": "The response replaces your previous availability choices.",
+    "i18n:govoplan-scheduling.title.768e0c1c": "Title",
+    "i18n:govoplan-scheduling.unavailable.2c9c1f79": "Unavailable",
+    "i18n:govoplan-scheduling.unchecked.1b927dec": "Unchecked",
+    "i18n:govoplan-scheduling.update_response.346233cf": "Update response",
+    "i18n:govoplan-scheduling.use_a_calendar_for_availability_checks_tentative_holds_a.20ccc1fa": "Use a calendar for availability checks, tentative holds, and the final event.",
+    "i18n:govoplan-scheduling.value_participants.e776b092": "{value0} participants",
+    "i18n:govoplan-scheduling.value_responses.ba17af9a": "{value0} responses",
+    "i18n:govoplan-scheduling.what_do_these_actions_do.9a9aee0e": "What do these actions do?",
+    "i18n:govoplan-scheduling.you_can_respond_here_or_use_the_invitation_link_you_rece.1a25fd53": "You can respond here or use the invitation link you received.",
+    "i18n:govoplan-scheduling.your_response_has_been_recorded.b855088d": "Your response has been recorded."
+  },
+  de: {
+    "i18n:govoplan-scheduling.access_details.79c06b89": "Zugangsdaten",
+    "i18n:govoplan-scheduling.automatic_invitation_delivery_is_unavailable_copy_the_link_instead.4e39d0b3": "Die automatische Einladungszustellung ist nicht verfügbar; kopieren Sie stattdessen den Link.",
+    "i18n:govoplan-scheduling.cancellation_notice_available_until.f840d1e6": "Stornierungshinweis verfügbar bis",
+    "i18n:govoplan-scheduling.copy_a_fresh_invitation_link_for_value0.e3799c79": "Einen neuen Einladungslink für {value0} kopieren",
+    "i18n:govoplan-scheduling.enter_the_details_supplied_with_the_invitation_for_privacy.81ba419c": "Geben Sie die mit der Einladung übermittelten Daten ein. Aus Datenschutzgründen wird für ungültige und abgelaufene Links dieselbe Meldung angezeigt.",
+    "i18n:govoplan-scheduling.loading_scheduling_request.43c39c1b": "Terminanfrage wird geladen …",
+    "i18n:govoplan-scheduling.invitation_delivery_failed_the_link_was_created_but_was_not_delivered.8db0c306": "Die Zustellung der Einladung ist fehlgeschlagen. Der Link wurde erstellt, aber nicht zugestellt.",
+    "i18n:govoplan-scheduling.invitation_delivery_requested.1aaa78ba": "Die Zustellung der Einladung wurde angefordert.",
+    "i18n:govoplan-scheduling.invitation_link_copied.332973ec": "Einladungslink kopiert.",
+    "i18n:govoplan-scheduling.invitation_link_revoked.c7dd20d4": "Einladungslink widerrufen.",
+    "i18n:govoplan-scheduling.no_active_invitation_link_to_revoke.4ad0f0cc": "Kein aktiver Einladungslink zum Widerrufen vorhanden.",
+    "i18n:govoplan-scheduling.open_in_scheduling.48df1541": "In der Terminplanung öffnen",
+    "i18n:govoplan-scheduling.open_scheduling_request.31829cce": "Terminanfrage öffnen",
+    "i18n:govoplan-scheduling.response_deadline.7fd9e3aa": "Antwortfrist",
+    "i18n:govoplan-scheduling.reload_the_request_before_changing_this_invitation.9e685df4": "Laden Sie die Anfrage neu, bevor Sie diese Einladung ändern.",
+    "i18n:govoplan-scheduling.participant.554f4235": "Teilnehmende Person",
+    "i18n:govoplan-scheduling.revoke_invitation_link.87bf89cf": "Einladungslink widerrufen",
+    "i18n:govoplan-scheduling.revoke_link.da371ee1": "Link widerrufen",
+    "i18n:govoplan-scheduling.revoke_the_current_invitation_link_for_value0_it_will_stop_working_immediately.3cdc5817": "Den aktuellen Einladungslink für {value0} widerrufen? Er funktioniert danach sofort nicht mehr.",
+    "i18n:govoplan-scheduling.revoke_the_invitation_link_for_value0.15a9c9fa": "Den Einladungslink für {value0} widerrufen",
+    "i18n:govoplan-scheduling.send_a_fresh_invitation_to_value0.fd8d9dea": "Eine neue Einladung an {value0} senden",
+    "i18n:govoplan-scheduling.the_cancellation_notice_has_expired_a_new_link_cannot_be_issued.9c6ccc7c": "Der Stornierungshinweis ist abgelaufen; ein neuer Link kann nicht ausgestellt werden.",
+    "i18n:govoplan-scheduling.the_invitation_link_could_not_be_copied_check_browser_clipboard_permissions_and_try_again.a8b17cbc": "Der Einladungslink konnte nicht kopiert werden. Prüfen Sie die Zwischenablageberechtigungen des Browsers und versuchen Sie es erneut.",
+    "i18n:govoplan-scheduling.this_participant_has_no_deliverable_email_address_or_account.dbe14180": "Für diese teilnehmende Person ist weder eine zustellbare E-Mail-Adresse noch ein Konto hinterlegt.",
+    "i18n:govoplan-scheduling.this_invitation_changed_the_request_was_reloaded_try_again.c7095533": "Diese Einladung wurde zwischenzeitlich geändert. Die Anfrage wurde neu geladen; versuchen Sie es erneut.",
+    "i18n:govoplan-scheduling.this_scheduling_link_is_invalid_expired_or_the_access_details.8e7aa197": "Dieser Terminlink ist ungültig oder abgelaufen, oder die Zugangsdaten stimmen nicht überein.",
+    "i18n:govoplan-scheduling.this_scheduling_request_was_cancelled.1af3c85e": "Diese Terminanfrage wurde storniert.",
+    "i18n:govoplan-scheduling.this_scheduling_request_is_no_longer_accepting_responses.c612e78a": "Diese Terminanfrage nimmt keine Antworten mehr an.",
+    "i18n:govoplan-scheduling.your_availability.f86c8215": "Ihre Verfügbarkeit",
+    "i18n:govoplan-scheduling.save_or_discard_your_unsent_availability_changes_before_leaving.97e10df1": "Speichern oder verwerfen Sie Ihre noch nicht gesendeten Verfügbarkeitsänderungen, bevor Sie die Ansicht verlassen.",
+    "i18n:govoplan-scheduling.a_slot_can_be_selected_after_the_request_is_closed.f91ec02d": "Ein Terminvorschlag kann ausgewählt werden, nachdem die Anfrage geschlossen wurde.",
+    "i18n:govoplan-scheduling.add_maybe_between_yes_and_no_for_each_candidate_slot.74dc9db6": "Für jeden Terminvorschlag Vielleicht zwischen Verfügbar und Nicht verfügbar anbieten.",
+    "i18n:govoplan-scheduling.allow_comments.d63202a6": "Kommentare erlauben",
+    "i18n:govoplan-scheduling.allow_external_participants.a9efcb52": "Externe Teilnehmende erlauben",
+    "i18n:govoplan-scheduling.awaiting.42aa82e0": "Ausstehend",
+    "i18n:govoplan-scheduling.capacity.d3c375f8": "Kapazität",
+    "i18n:govoplan-scheduling.comment.d03495b1": "Kommentar",
+    "i18n:govoplan-scheduling.create_an_organizer_notification_whenever_a_response_is.253ddca8": "Bei jeder neuen oder geänderten Antwort eine Benachrichtigung für die organisierende Person erstellen.",
+    "i18n:govoplan-scheduling.each_participant_can_answer_yes_to_at_most_one_candidate.5313a465": "Jede teilnehmende Person kann höchstens einen Terminvorschlag als Verfügbar oder Vielleicht markieren.",
+    "i18n:govoplan-scheduling.edit_scheduling_request.7e749c19": "Terminanfrage bearbeiten",
+    "i18n:govoplan-scheduling.invited_participant_identity_is_locked_remove_and_add_the_participant_to_change_it.34e1201a": "Name und E-Mail-Adresse einer eingeladenen Person sind gesperrt. Entfernen Sie die Person und fügen Sie sie erneut hinzu, um diese Angaben zu ändern.",
+    "i18n:govoplan-scheduling.guest_links_are_not_issued_while_the_configured_participation.0794ebf0": "Gastlinks werden nicht ausgegeben, solange die konfigurierten Teilnahmeregeln am öffentlichen Antwortzugang nicht durchgesetzt werden können. Angemeldete Teilnehmende können weiterhin hier antworten.",
+    "i18n:govoplan-scheduling.guest_password.94545e82": "Gastpasswort",
+    "i18n:govoplan-scheduling.let_participants_add_a_comment_to_their_response.9dce8d17": "Teilnehmende können ihrer Antwort einen Kommentar hinzufügen.",
+    "i18n:govoplan-scheduling.limit_participants_per_option.1e9aa51d": "Teilnehmende je Terminvorschlag begrenzen",
+    "i18n:govoplan-scheduling.maximum_participants_per_option.5abdfb27": "Maximale Teilnehmendenzahl je Terminvorschlag",
+    "i18n:govoplan-scheduling.notify_me_about_each_answer.505749d6": "Über jede Antwort benachrichtigen",
+    "i18n:govoplan-scheduling.participants_can_choose_only_one_option.4311f51c": "Teilnehmende können nur einen Terminvorschlag wählen",
+    "i18n:govoplan-scheduling.participation.9ad70cc4": "Teilnahme",
+    "i18n:govoplan-scheduling.participation_rate.46bc5504": "Teilnahmequote",
+    "i18n:govoplan-scheduling.participation_settings.8dc6f62c": "Teilnahmeeinstellungen",
+    "i18n:govoplan-scheduling.participant_privacy.108c470f": "Datenschutz für Teilnehmende",
+    "i18n:govoplan-scheduling.participation_controls_are_locked_after_invitation_links_are_issued.66f5a740": "Teilnahmeregeln sind gesperrt, nachdem Einladungslinks erstellt wurden. Sichtbarkeit und Antwortbenachrichtigungen können weiterhin geändert werden.",
+    "i18n:govoplan-scheduling.password_protect_guest_access.13d7f08b": "Gastzugang mit Passwort schützen",
+    "i18n:govoplan-scheduling.people_responding_without_an_account_must_provide_an_email.19fd3dc8": "Personen ohne Konto müssen für ihre Antwort eine E-Mail-Adresse angeben.",
+    "i18n:govoplan-scheduling.people_who_are_not_signed_in_must_enter_this_password.82bcc4ce": "Nicht angemeldete Personen müssen dieses Passwort eingeben, bevor sie die Anfrage sehen können.",
+    "i18n:govoplan-scheduling.search_visible_accounts_and_contacts_or_add_an_external_perso.877f6b44": "Suchen Sie nach Konten und Kontakten, die Sie sehen dürfen. Wenn externe Teilnehmende erlaubt sind, können Sie Name und E-Mail-Adresse auch manuell hinzufügen.",
+    "i18n:govoplan-scheduling.when_enabled_people_outside_the_configured_accounts_and.78829735": "Wenn diese Option aktiviert ist, können Personen außerhalb der eingerichteten Konten und Kontakte manuell hinzugefügt werden.",
+    "i18n:govoplan-scheduling.provide_a_maybe_option.e39da57a": "Antwort Vielleicht anbieten",
+    "i18n:govoplan-scheduling.require_an_email_address_from_guests.c2289a58": "E-Mail-Adresse von Gästen verlangen",
+    "i18n:govoplan-scheduling.responses.3427e3ab": "Antworten",
+    "i18n:govoplan-scheduling.response_results_are_not_available_for_this_view.1e82db18": "Antwortergebnisse sind für diese Ansicht nicht verfügbar.",
+    "i18n:govoplan-scheduling.notifications_could_not_be_loaded.f0e1b2c3": "Benachrichtigungen konnten nicht geladen werden.",
+    "i18n:govoplan-scheduling.stop_accepting_yes_responses_for_an_option_when_its_limit.79af21db": "Keine weiteren Verfügbar-Antworten annehmen, sobald die Begrenzung eines Terminvorschlags erreicht ist.",
+    "i18n:govoplan-scheduling.use_at_least_8_characters_the_password_is_never_displayed.035708a2": "Verwenden Sie mindestens 8 Zeichen. Das Passwort wird nach dem Speichern nicht mehr angezeigt.",
+    "i18n:govoplan-scheduling.add_participant.6cff957d": "Teilnehmende Person hinzufügen",
+    "i18n:govoplan-scheduling.add_scheduling_request.3c71be15": "Terminanfrage hinzufügen",
+    "i18n:govoplan-scheduling.add_slot.9fcff3ed": "Terminvorschlag hinzufügen",
+    "i18n:govoplan-scheduling.answered.e0aafffa": "Beantwortet",
+    "i18n:govoplan-scheduling.available.7c62a142": "Verfügbar",
+    "i18n:govoplan-scheduling.awaiting_response.ee646ea9": "Antwort ausstehend",
+    "i18n:govoplan-scheduling.basic_information.d8bc7383": "Grunddaten",
+    "i18n:govoplan-scheduling.busy.592a9d16": "Belegt",
+    "i18n:govoplan-scheduling.calendar.adab5090": "Kalender",
+    "i18n:govoplan-scheduling.calendar_coordination.291ab00a": "Kalenderabgleich",
+    "i18n:govoplan-scheduling.configured_calendar.e2e8ebd5": "Ausgewählter Kalender",
+    "i18n:govoplan-scheduling.calendar_integration.181ad18b": "Kalenderintegration",
+    "i18n:govoplan-scheduling.calendar_integration_requires_the_calendar_module_plus_c.f892cb1e": "Die Kalenderintegration benötigt das Kalendermodul sowie Leserechte für Kalender und Verfügbarkeiten und Schreibrechte für Termine.",
+    "i18n:govoplan-scheduling.candidate_availability.9541c4b5": "Verfügbarkeit zu den Vorschlägen",
+    "i18n:govoplan-scheduling.candidate_slots.c414946b": "Terminvorschläge",
+    "i18n:govoplan-scheduling.check_free_busy.e9700e00": "Frei/Belegt prüfen",
+    "i18n:govoplan-scheduling.choose_availability.ac95b8f6": "Verfügbarkeit auswählen",
+    "i18n:govoplan-scheduling.choose_availability_for_at_least_one_candidate_slot.28d2111f": "Wählen Sie für mindestens einen Terminvorschlag eine Verfügbarkeit aus.",
+    "i18n:govoplan-scheduling.close_poll.a6a18916": "Abstimmung schließen",
+    "i18n:govoplan-scheduling.close_stops_accepting_new_availability_responses.a1d57519": "Schließen beendet die Annahme neuer Verfügbarkeitsantworten.",
+    "i18n:govoplan-scheduling.closed.88d86b77": "Geschlossen",
+    "i18n:govoplan-scheduling.create_calendar_event.0b87cfcf": "Kalendertermin erstellen",
+    "i18n:govoplan-scheduling.create_tentative_holds.51c4744e": "Vorläufige Reservierungen erstellen",
+    "i18n:govoplan-scheduling.cancellation.319aaae4": "Stornierung",
+    "i18n:govoplan-scheduling.decision.7f59a1f1": "Entscheidung",
+    "i18n:govoplan-scheduling.declined.ff59b80f": "Abgelehnt",
+    "i18n:govoplan-scheduling.decide_on_value.196409cd": "{value0} als Termin festlegen",
+    "i18n:govoplan-scheduling.description.55f8ebc8": "Beschreibung",
+    "i18n:govoplan-scheduling.determined.9f23293d": "Festgelegt",
+    "i18n:govoplan-scheduling.discard.36fff63c": "Verwerfen",
+    "i18n:govoplan-scheduling.discard_this_unsaved_scheduling_request.4a956be2": "Diese ungespeicherte Terminanfrage verwerfen?",
+    "i18n:govoplan-scheduling.draft.23d33e22": "Entwurf",
+    "i18n:govoplan-scheduling.end.a2bb9d34": "Ende",
+    "i18n:govoplan-scheduling.error.7f2f6a15": "Fehler",
+    "i18n:govoplan-scheduling.every_candidate_slot_must_end_after_it_starts.47836010": "Jeder Terminvorschlag muss nach seinem Beginn enden.",
+    "i18n:govoplan-scheduling.failed.09fef5d8": "Fehlgeschlagen",
+    "i18n:govoplan-scheduling.free.75f52718": "Frei",
+    "i18n:govoplan-scheduling.free_busy_checks_each_candidate_slot_against_the_selecte.50f0371a": "Frei/Belegt prüft jeden Terminvorschlag gegen den ausgewählten Kalender.",
+    "i18n:govoplan-scheduling.loading_scheduling_requests.f42be95d": "Terminanfragen werden geladen …",
+    "i18n:govoplan-scheduling.invitation.6306ef74": "Einladung",
+    "i18n:govoplan-scheduling.invited.53469df1": "Eingeladen",
+    "i18n:govoplan-scheduling.location.d219c681": "Ort",
+    "i18n:govoplan-scheduling.managed_scheduling_requests.7a45972f": "Verwaltete Terminanfragen",
+    "i18n:govoplan-scheduling.maybe.56dd8d0b": "Vielleicht",
+    "i18n:govoplan-scheduling.my_scheduling_requests.d28ef235": "Meine Terminanfragen",
+    "i18n:govoplan-scheduling.name.709a2322": "Name",
+    "i18n:govoplan-scheduling.new_scheduling_request.2080f675": "Neue Terminanfrage",
+    "i18n:govoplan-scheduling.no_notifications_have_been_created.c8d43ca3": "Es wurden noch keine Benachrichtigungen erstellt.",
+    "i18n:govoplan-scheduling.no_participants.73a89101": "Keine Teilnehmenden",
+    "i18n:govoplan-scheduling.no_requests_in_this_group.a63c1b40": "Keine Anfragen in dieser Gruppe",
+    "i18n:govoplan-scheduling.no_scheduling_request_selected.ac940664": "Keine Terminanfrage ausgewählt",
+    "i18n:govoplan-scheduling.notifications.753a22b2": "Benachrichtigungen",
+    "i18n:govoplan-scheduling.open.cf9b7706": "Offen",
+    "i18n:govoplan-scheduling.open_poll.2beac9a7": "Abstimmung öffnen",
+    "i18n:govoplan-scheduling.open_starts_collecting_availability_responses.c8ec34e5": "Öffnen startet die Erfassung von Verfügbarkeitsantworten.",
+    "i18n:govoplan-scheduling.option_value.3f643dc0": "Vorschlag {value0}",
+    "i18n:govoplan-scheduling.other_scheduling_requests.5cb6eb30": "Andere Terminanfragen",
+    "i18n:govoplan-scheduling.participant_email.2cadfd9e": "E-Mail der teilnehmenden Person",
+    "i18n:govoplan-scheduling.participant_names_and_statuses_are_hidden_aggregate_counts_r.d811a69a": "Namen und Antwortstatus der Teilnehmenden sind ausgeblendet. Zusammengefasste Anzahlen bleiben sichtbar.",
+    "i18n:govoplan-scheduling.share_participant_names_and_response_statuses.df0bf9e0": "Namen und Antwortstatus der Teilnehmenden freigeben",
+    "i18n:govoplan-scheduling.when_enabled_participants_can_see_other_participants_names.3ac78361": "Wenn aktiviert, sehen Teilnehmende die Namen und Antwortstatus anderer Teilnehmender. E-Mail-Adressen und Einladungsdetails bleiben privat.",
+    "i18n:govoplan-scheduling.participants.cd56e083": "Teilnehmende",
+    "i18n:govoplan-scheduling.past.405c12fb": "Vergangen",
+    "i18n:govoplan-scheduling.pending.96f608c1": "Ausstehend",
+    "i18n:govoplan-scheduling.queued.6a599877": "Eingereiht",
+    "i18n:govoplan-scheduling.refresh_requests.0a3ed7a1": "Anfragen aktualisieren",
+    "i18n:govoplan-scheduling.reminder_creates_a_notification_job_for_every_active_par.7ec68797": "Erinnern erstellt für jede aktive teilnehmende Person einen Benachrichtigungsauftrag.",
+    "i18n:govoplan-scheduling.remove.e963907d": "Entfernen",
+    "i18n:govoplan-scheduling.remove_participant_value.e55f2b70": "Teilnehmende Person {value0} entfernen",
+    "i18n:govoplan-scheduling.remove_slot_value.3adc7576": "Terminvorschlag {value0} entfernen",
+    "i18n:govoplan-scheduling.removed.b5e77c5c": "Entfernt",
+    "i18n:govoplan-scheduling.reminder.b87a1929": "Erinnerung",
+    "i18n:govoplan-scheduling.request_failed.9fcda32c": "Anfrage fehlgeschlagen",
+    "i18n:govoplan-scheduling.required.eed6bfb4": "Erforderlich",
+    "i18n:govoplan-scheduling.requires_calendar_availability_read_access.b48ed91b": "Erfordert Leserechte für Kalenderverfügbarkeiten.",
+    "i18n:govoplan-scheduling.requires_calendar_event_write_access.887b0763": "Erfordert Schreibrechte für Kalendertermine.",
+    "i18n:govoplan-scheduling.responses_may_be_updated_while_this_request_remains_open.4faecbbe": "Antworten können aktualisiert werden, solange diese Anfrage offen ist.",
+    "i18n:govoplan-scheduling.responded.4f218211": "Geantwortet",
+    "i18n:govoplan-scheduling.save.efc007a3": "Speichern",
+    "i18n:govoplan-scheduling.saving.56a2285c": "Wird gespeichert …",
+    "i18n:govoplan-scheduling.scheduling_requests.b3c12f4d": "Terminanfragen",
+    "i18n:govoplan-scheduling.scheduling_request_title_is_required.a27338be": "Für die Terminanfrage ist ein Titel erforderlich.",
+    "i18n:govoplan-scheduling.scheduling_requests_for_me.1d521aba": "Terminanfragen an mich",
+    "i18n:govoplan-scheduling.select_a_calendar.f6af95bb": "Kalender auswählen",
+    "i18n:govoplan-scheduling.select_a_calendar_or_turn_off_calendar_integration.cc3652a9": "Wählen Sie einen Kalender aus oder schalten Sie die Kalenderintegration aus.",
+    "i18n:govoplan-scheduling.send_reminder.cf5eb3bf": "Erinnerung senden",
+    "i18n:govoplan-scheduling.sending.ceafde86": "Wird gesendet",
+    "i18n:govoplan-scheduling.sent.35f49dcf": "Gesendet",
+    "i18n:govoplan-scheduling.skipped.5a000ad7": "Übersprungen",
+    "i18n:govoplan-scheduling.start.952f3754": "Beginn",
+    "i18n:govoplan-scheduling.status.bae7d5be": "Status",
+    "i18n:govoplan-scheduling.submit_response.a5f0c053": "Antwort senden",
+    "i18n:govoplan-scheduling.tentative_holds_create_one_provisional_calendar_event_pe.ff3f1884": "Vorläufige Reservierungen erstellen je Terminvorschlag einen provisorischen Kalendereintrag.",
+    "i18n:govoplan-scheduling.the_final_event_is_created_only_for_the_selected_slot.e3621252": "Der endgültige Kalendereintrag wird nur für den ausgewählten Termin erstellt.",
+    "i18n:govoplan-scheduling.the_response_replaces_your_previous_availability_choices.74c16d53": "Die Antwort ersetzt Ihre vorherige Verfügbarkeitsauswahl.",
+    "i18n:govoplan-scheduling.title.768e0c1c": "Titel",
+    "i18n:govoplan-scheduling.unavailable.2c9c1f79": "Nicht verfügbar",
+    "i18n:govoplan-scheduling.unchecked.1b927dec": "Nicht geprüft",
+    "i18n:govoplan-scheduling.update_response.346233cf": "Antwort aktualisieren",
+    "i18n:govoplan-scheduling.use_a_calendar_for_availability_checks_tentative_holds_a.20ccc1fa": "Einen Kalender für Verfügbarkeitsprüfungen, vorläufige Reservierungen und den endgültigen Termin verwenden.",
+    "i18n:govoplan-scheduling.value_participants.e776b092": "{value0} Teilnehmende",
+    "i18n:govoplan-scheduling.value_responses.ba17af9a": "{value0} Antworten",
+    "i18n:govoplan-scheduling.what_do_these_actions_do.9a9aee0e": "Was bewirken diese Aktionen?",
+    "i18n:govoplan-scheduling.you_can_respond_here_or_use_the_invitation_link_you_rece.1a25fd53": "Sie können hier oder über den erhaltenen Einladungslink antworten.",
+    "i18n:govoplan-scheduling.your_response_has_been_recorded.b855088d": "Ihre Antwort wurde gespeichert."
+  }
+};

webui/src/index.ts

@@ -0,0 +1,2 @@
+export { schedulingModule as default, schedulingModule } from "./module";
+export * from "./api/scheduling";

webui/src/module.ts

@@ -0,0 +1,31 @@
+import { createElement, lazy } from "react";
+import type { PlatformWebModule } from "@govoplan/core-webui";
+import { generatedTranslations } from "./i18n/generatedTranslations";
+import "./styles/scheduling.css";
+
+const SchedulingPage = lazy(() => import("./features/scheduling/SchedulingPage"));
+const SchedulingPublicPage = lazy(() => import("./features/scheduling/SchedulingPublicPage"));
+
+const scheduleRead = ["scheduling:schedule:read"];
+
+export const schedulingModule: PlatformWebModule = {
+  id: "scheduling",
+  label: "Scheduling",
+  version: "0.1.11",
+  dependencies: ["poll"],
+  optionalDependencies: ["access", "calendar", "mail", "notifications", "workflow", "appointments", "addresses"],
+  translations: generatedTranslations,
+  navItems: [{ to: "/scheduling", label: "Scheduling", iconName: "calendar-clock", anyOf: scheduleRead, order: 56 }],
+  routes: [
+    { path: "/scheduling", anyOf: scheduleRead, order: 56, render: ({ settings, auth }) => createElement(SchedulingPage, { settings, auth }) }
+  ],
+  publicRoutes: [
+    {
+      path: "/scheduling/public/:requestId/:token",
+      order: 10,
+      render: ({ settings, auth }) => createElement(SchedulingPublicPage, { settings, auth })
+    }
+  ]
+};
+
+export default schedulingModule;

webui/src/styles/scheduling.css

@@ -0,0 +1,490 @@
+.scheduling-page {
+  box-sizing: border-box;
+  height: calc(100vh - 115px);
+  min-height: 0;
+  overflow: hidden;
+  color: var(--text);
+  background: var(--bg);
+}
+
+.scheduling-public-page {
+  width: min(920px, calc(100% - 32px));
+  margin: 0 auto;
+  padding: 24px 0 48px;
+}
+
+.scheduling-public-page .loading-frame {
+  min-height: 240px;
+}
+
+.scheduling-public-content,
+.scheduling-public-access-form,
+.scheduling-public-slots {
+  display: grid;
+  gap: 14px;
+}
+
+.scheduling-public-deep-link,
+.scheduling-public-actions {
+  display: flex;
+  justify-content: flex-end;
+  margin-bottom: 12px;
+}
+
+.scheduling-public-actions {
+  margin: 0;
+}
+
+.scheduling-public-description {
+  white-space: pre-wrap;
+}
+
+.scheduling-public-summary {
+  display: grid;
+  grid-template-columns: max-content minmax(0, 1fr);
+  gap: 6px 14px;
+  margin: 12px 0;
+}
+
+.scheduling-public-summary dt {
+  color: var(--muted);
+}
+
+.scheduling-public-summary dd {
+  margin: 0;
+}
+
+.scheduling-public-slot {
+  min-width: 0;
+  margin: 0;
+  padding: 14px;
+  border: var(--border-line);
+  border-radius: var(--radius-md);
+}
+
+.scheduling-public-slot legend {
+  padding: 0 4px;
+  color: var(--text-strong);
+  font-weight: 650;
+}
+
+.scheduling-public-slot p {
+  margin: 4px 0;
+}
+
+.scheduling-public-choice-group {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-top: 12px;
+}
+
+.scheduling-public-choice-group label {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  min-height: 36px;
+  padding: 7px 12px;
+  border: var(--border-line);
+  border-radius: var(--radius-md);
+  background: var(--panel-soft);
+  cursor: pointer;
+}
+
+.scheduling-public-choice-group label:has(input:checked) {
+  border-color: var(--accent);
+  background: var(--accent-soft);
+}
+
+@media (max-width: 680px) {
+  .scheduling-public-page {
+    width: min(100% - 20px, 920px);
+    padding-top: 12px;
+  }
+
+  .scheduling-public-page .form-grid.two-col {
+    grid-template-columns: 1fr;
+  }
+
+  .scheduling-public-summary {
+    grid-template-columns: 1fr;
+  }
+}
+
+.scheduling-page *,
+.scheduling-page *::before,
+.scheduling-page *::after {
+  box-sizing: border-box;
+}
+
+.scheduling-workspace {
+  width: 100%;
+  height: 100%;
+  min-width: 0;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  border: var(--border-line);
+  background: var(--bg);
+}
+
+.scheduling-workspace-layout {
+  min-width: 0;
+  min-height: 0;
+  flex: 1 1 auto;
+  display: grid;
+  grid-template-columns: minmax(310px, 370px) minmax(0, 1fr);
+  overflow: hidden;
+}
+
+.scheduling-request-sidebar,
+.scheduling-main-panel,
+.scheduling-editor-surface {
+  min-width: 0;
+  min-height: 0;
+}
+
+.scheduling-request-sidebar {
+  padding: 12px;
+  border-right: var(--border-line);
+  background: var(--panel-soft);
+}
+
+.scheduling-request-sidebar > .card {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.scheduling-request-sidebar > .card > .card-body {
+  min-height: 0;
+  flex: 1 1 auto;
+  overflow: auto;
+  padding: 10px 12px;
+}
+
+.scheduling-sidebar-actions {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.scheduling-sidebar-actions .btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+}
+
+.scheduling-main-panel {
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  background: var(--bg);
+}
+
+.scheduling-main-panel > .alert {
+  flex: 0 0 auto;
+  margin: 12px 14px 0;
+}
+
+.scheduling-editor-surface {
+  flex: 1 1 auto;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.scheduling-page-header {
+  min-height: 58px;
+  flex: 0 0 auto;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 10px 14px;
+  border-bottom: var(--border-line);
+  background: var(--panel-header);
+}
+
+.scheduling-page-title,
+.scheduling-page-actions,
+.scheduling-card-actions,
+.scheduling-actions,
+.scheduling-status-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.scheduling-page-title {
+  min-width: 0;
+}
+
+.scheduling-page-title > div {
+  min-width: 0;
+}
+
+.scheduling-page-title h1 {
+  margin: 0;
+  color: var(--text-strong);
+  font-size: 19px;
+}
+
+.scheduling-page-title p {
+  margin: 3px 0 0;
+  color: var(--muted);
+  font-size: 12px;
+}
+
+.scheduling-page-actions,
+.scheduling-card-actions,
+.scheduling-actions {
+  flex-wrap: wrap;
+  justify-content: flex-end;
+}
+
+.scheduling-page-actions {
+  margin-left: auto;
+}
+
+.scheduling-page-actions .btn,
+.scheduling-card-actions .btn,
+.scheduling-actions .btn,
+.scheduling-response-card + .btn {
+  min-height: 34px;
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.scheduling-detail,
+.scheduling-editor-scroll {
+  flex: 1 1 auto;
+  min-width: 0;
+  min-height: 0;
+  overflow: auto;
+  padding: 14px;
+}
+
+.scheduling-detail,
+.scheduling-editor-scroll {
+  display: grid;
+  align-content: start;
+  gap: 12px;
+}
+
+.scheduling-request-group + .scheduling-request-group {
+  margin-top: 14px;
+  padding-top: 14px;
+  border-top: var(--border-line);
+}
+
+.scheduling-request-group h2 {
+  margin: 0 0 8px;
+  color: var(--text-strong);
+  font-size: 13px;
+}
+
+.scheduling-list-group {
+  min-height: 52px;
+  max-height: min(31vh, 320px);
+  overflow: auto;
+}
+
+.scheduling-request-list {
+  gap: 4px;
+}
+
+.scheduling-list-item {
+  min-height: 50px;
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 10px;
+  align-items: center;
+}
+
+.scheduling-list-item > span {
+  min-width: 0;
+  display: grid;
+  gap: 3px;
+}
+
+.scheduling-list-item strong,
+.scheduling-list-item small,
+.scheduling-compact-row span {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.scheduling-list-item small,
+.scheduling-note,
+.scheduling-list-empty,
+.scheduling-compact-row small {
+  color: var(--muted);
+  font-size: 12px;
+}
+
+.scheduling-list-empty {
+  margin: 3px 0 8px;
+}
+
+.scheduling-status-row {
+  flex-wrap: wrap;
+}
+
+.scheduling-slot-title {
+  min-width: 0;
+  display: grid;
+  justify-items: start;
+}
+
+.scheduling-columns {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.scheduling-compact-row {
+  min-height: 36px;
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 8px;
+  align-items: center;
+  border-bottom: var(--border-line);
+}
+
+.scheduling-compact-row:last-child {
+  border-bottom: 0;
+}
+
+.scheduling-response-card {
+  display: grid;
+  gap: 12px;
+}
+
+.scheduling-response-card > p {
+  margin: 0;
+}
+
+.scheduling-response-grid {
+  display: grid;
+  gap: 6px;
+}
+
+.scheduling-response-grid label {
+  min-width: 0;
+  display: grid;
+  grid-template-columns: minmax(220px, 1fr) minmax(160px, 240px);
+  gap: 12px;
+  align-items: center;
+  padding: 8px 0;
+  border-bottom: var(--border-line);
+}
+
+.scheduling-response-grid label:last-child {
+  border-bottom: 0;
+}
+
+.scheduling-response-grid label > span {
+  min-width: 0;
+  display: grid;
+  gap: 3px;
+}
+
+.scheduling-response-grid small {
+  color: var(--muted);
+}
+
+.scheduling-action-help {
+  margin: 0;
+}
+
+.scheduling-empty {
+  padding: 28px;
+  color: var(--muted);
+  text-align: center;
+}
+
+.scheduling-setting-with-field {
+  min-width: 0;
+  display: grid;
+  gap: 10px;
+}
+
+.scheduling-setting-with-field .form-field {
+  padding-left: 48px;
+}
+
+.scheduling-capability-note {
+  margin: 10px 0 0;
+  color: var(--muted);
+  font-size: 12px;
+}
+
+.scheduling-selected-calendar {
+  max-width: 520px;
+}
+
+@media (max-width: 900px) {
+  .scheduling-workspace-layout {
+    grid-template-columns: minmax(270px, 320px) minmax(0, 1fr);
+  }
+
+}
+
+@media (max-width: 820px) {
+  .scheduling-page {
+    height: auto;
+    min-height: calc(100vh - 115px);
+    overflow: auto;
+  }
+
+  .scheduling-workspace,
+  .scheduling-workspace-layout,
+  .scheduling-main-panel,
+  .scheduling-editor-surface,
+  .scheduling-detail,
+  .scheduling-editor-scroll {
+    height: auto;
+    overflow: visible;
+  }
+
+  .scheduling-workspace-layout {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .scheduling-request-sidebar {
+    max-height: 48vh;
+    border-right: 0;
+    border-bottom: var(--border-line);
+  }
+
+  .scheduling-columns {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .scheduling-page-header {
+    align-items: flex-start;
+    flex-wrap: wrap;
+  }
+
+  .scheduling-page-actions,
+  .scheduling-card-actions,
+  .scheduling-actions {
+    width: 100%;
+  }
+
+  .scheduling-page-actions .btn:last-child,
+  .scheduling-card-actions .btn:last-child,
+  .scheduling-actions .btn:last-child {
+    margin-left: auto;
+  }
+
+  .scheduling-response-grid label {
+    grid-template-columns: minmax(0, 1fr);
+  }
+}

webui/src/vite-env.d.ts

@@ -0,0 +1,13 @@
+interface ImportMetaEnv {
+  readonly VITE_API_BASE_URL?: string;
+  readonly VITE_CSRF_COOKIE_NAME?: string;
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}
+
+declare module "virtual:govoplan-installed-modules" {
+  const modules: any[];
+  export default modules;
+}

webui/tests/scheduling-view-model.test.ts

@@ -0,0 +1,380 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import type { SchedulingRequest } from "../src/api/scheduling.ts";
+import {
+  applySchedulingAvailabilityChoice,
+  groupSchedulingRequests,
+  participantDraftFromResponse,
+  participantDraftsFromPicker,
+  participantPayload,
+  schedulingInvitationActionBlocks,
+  schedulingPublicInvitationUrl,
+  schedulingSortPhase,
+  type SchedulingActor
+} from "../src/features/scheduling/schedulingViewModel.ts";
+
+test("maps visible account and contact selections into bounded scheduling participant payloads", () => {
+  let sequence = 0;
+  const selected = participantDraftsFromPicker([
+    {
+      selection_key: "account:account-2",
+      kind: "account",
+      reference_id: "account-2",
+      display_name: "Ada Account",
+      email: "ADA@EXAMPLE.TEST",
+      source_module: "access",
+      source_label: "Accounts",
+      provenance: { tenant_id: "must-not-be-persisted" },
+      metadata: { group_ids: ["must-not-be-persisted"] }
+    },
+    {
+      selection_key: "contact:contact-3:contact@example.test",
+      kind: "contact",
+      reference_id: "contact-3",
+      display_name: "Contact Person",
+      email: "contact@example.test",
+      source_module: "addresses",
+      source_label: "Contacts",
+      source_revision: "revision-3",
+      provenance: { address_book_id: "must-not-be-persisted" }
+    }
+  ], [], () => `participant-${++sequence}`);
+
+  assert.equal(selected[0].respondent_id, "account-2");
+  assert.equal(selected[0].participant_type, "internal");
+  assert.equal(selected[0].email, "ada@example.test");
+  assert.deepEqual(selected[0].metadata, {
+    directory_selection: {
+      selection_key: "account:account-2",
+      kind: "account",
+      reference_id: "account-2",
+      source_module: "access",
+      source_label: "Accounts",
+      source_revision: null
+    }
+  });
+  assert.equal(selected[1].respondent_id, null);
+  assert.equal(selected[1].participant_type, "external");
+  assert.equal(
+    (selected[1].metadata?.directory_selection as { source_revision: string }).source_revision,
+    "revision-3"
+  );
+  assert.deepEqual(participantPayload(selected[1]), {
+    respondent_id: null,
+    display_name: "Contact Person",
+    email: "contact@example.test",
+    participant_type: "external",
+    required: true,
+    metadata: selected[1].metadata
+  });
+});
+
+test("reconstructs saved directory selections and preserves existing reconciliation identity", () => {
+  const responseParticipant = {
+    id: "stored-participant",
+    revision: "a".repeat(64),
+    is_current_participant: false,
+    respondent_id: "account-2",
+    display_name: "Ada Account",
+    email: "ada@example.test",
+    participant_type: "internal",
+    required: true,
+    status: "invited",
+    poll_invitation_id: "invitation-1",
+    metadata: {
+      directory_selection: {
+        selection_key: "account:account-2",
+        kind: "account",
+        reference_id: "account-2",
+        source_module: "access",
+        source_label: "Accounts"
+      }
+    }
+  };
+  const draft = participantDraftFromResponse(responseParticipant, "draft-1");
+  const remapped = participantDraftsFromPicker([draft], [draft], () => "unexpected");
+
+  assert.equal(remapped[0], draft);
+  assert.equal(draft.sourceId, "stored-participant");
+  assert.equal(draft.identityLocked, true);
+  assert.equal(participantPayload(draft).id, "stored-participant");
+  assert.equal(participantPayload(draft).revision, "a".repeat(64));
+});
+
+const now = new Date("2026-07-20T10:00:00Z");
+const actor: SchedulingActor = {
+  accountId: "account-1",
+  membershipId: "membership-1",
+  email: "person@example.test"
+};
+
+function request(
+  id: string,
+  options: {
+    organizer?: string;
+    participantStatus?: string;
+    status?: SchedulingRequest["status"];
+    start?: string;
+    end?: string;
+  } = {}
+): SchedulingRequest {
+  return {
+    id,
+    tenant_id: "tenant-1",
+    title: id,
+    timezone: "UTC",
+    status: options.status ?? "collecting",
+    organizer_user_id: options.organizer ?? "organizer-elsewhere",
+    allow_external_participants: true,
+    allow_participant_updates: true,
+    result_visibility: "after_close",
+    participant_visibility: "aggregates_only",
+    effective_participant_visibility: "aggregates_only",
+    participant_aggregate: {
+      total: options.participantStatus ? 1 : 0,
+      status_counts: options.participantStatus ? { [options.participantStatus]: 1 } : {}
+    },
+    participant_visibility_decision: {
+      requested_visibility: "aggregates_only",
+      effective_visibility: "aggregates_only",
+      policy_applied: false,
+      source_path: [],
+      details: {}
+    },
+    notify_on_answers: true,
+    single_choice: false,
+    max_participants_per_option: null,
+    allow_maybe: true,
+    allow_comments: false,
+    participant_email_required: false,
+    anonymous_password_protection_enabled: false,
+    public_participation_policy_enforcement_available: false,
+    public_participation_policy_enforcement_reason: "Public participation gateway not installed",
+    participant_invitation_delivery_available: false,
+    calendar_integration_enabled: false,
+    calendar_freebusy_enabled: false,
+    calendar_hold_enabled: false,
+    create_calendar_event_on_decision: false,
+    created_at: "2026-07-01T00:00:00Z",
+    updated_at: "2026-07-01T00:00:00Z",
+    metadata: {},
+    slots: [{
+      id: `slot-${id}`,
+      label: id,
+      start_at: options.start ?? "2026-07-21T09:00:00Z",
+      end_at: options.end ?? "2026-07-21T10:00:00Z",
+      timezone: "UTC",
+      position: 0,
+      revision: "0".repeat(64),
+      freebusy_conflicts: [],
+      metadata: {}
+    }],
+    participants: options.participantStatus ? [{
+      id: `participant-${id}`,
+      is_current_participant: true,
+      respondent_id: "membership-1",
+      email: "person@example.test",
+      participant_type: "internal",
+      required: true,
+      status: options.participantStatus,
+      metadata: {}
+    }] : []
+  };
+}
+
+test("groups owned, invited, and administrator-only requests without hiding any", () => {
+  const groups = groupSchedulingRequests([
+    request("managed"),
+    request("mine", { organizer: "account-1" }),
+    request("invited", { participantStatus: "invited" })
+  ], actor, now);
+
+  assert.deepEqual(groups.owned.map((item) => item.id), ["mine"]);
+  assert.deepEqual(groups.invited.map((item) => item.id), ["invited"]);
+  assert.deepEqual(groups.other.map((item) => item.id), ["managed"]);
+});
+
+test("matches email-only invitations without case sensitivity", () => {
+  const invited = request("email-case", { participantStatus: "invited" });
+  invited.participants[0].is_current_participant = false;
+  invited.participants[0].respondent_id = null;
+  invited.participants[0].email = "Person@Example.Test";
+
+  const groups = groupSchedulingRequests([invited], actor, now);
+
+  assert.deepEqual(groups.invited.map((item) => item.id), ["email-case"]);
+  assert.deepEqual(groups.other, []);
+});
+
+test("recognizes the current participant after identity bindings are redacted", () => {
+  const invited = request("safe-projection", { participantStatus: "invited" });
+  invited.participants[0].respondent_id = null;
+  invited.participants[0].email = null;
+
+  const groups = groupSchedulingRequests([invited], actor, now);
+
+  assert.deepEqual(groups.invited.map((item) => item.id), ["safe-projection"]);
+  assert.deepEqual(groups.other, []);
+});
+
+test("keeps an organizer's active request in the open phase even if they also responded", () => {
+  const owned = request("mine-and-invited", {
+    organizer: "account-1",
+    participantStatus: "responded"
+  });
+
+  assert.equal(schedulingSortPhase(owned, actor, now), "unanswered");
+});
+
+test("orders unanswered by nearest slot before answered, closed, determined, and past", () => {
+  const groups = groupSchedulingRequests([
+    request("past", {
+      participantStatus: "invited",
+      start: "2026-07-18T09:00:00Z",
+      end: "2026-07-18T10:00:00Z"
+    }),
+    request("determined", { participantStatus: "invited", status: "decided" }),
+    request("closed", { participantStatus: "invited", status: "closed" }),
+    request("answered", { participantStatus: "responded" }),
+    request("later", { participantStatus: "invited", start: "2026-07-23T09:00:00Z" }),
+    request("nearer", { participantStatus: "invited", start: "2026-07-21T09:00:00Z" })
+  ], actor, now);
+
+  assert.deepEqual(groups.invited.map((item) => item.id), [
+    "nearer",
+    "later",
+    "answered",
+    "closed",
+    "determined",
+    "past"
+  ]);
+  assert.equal(schedulingSortPhase(groups.invited[0], actor, now), "unanswered");
+  assert.equal(schedulingSortPhase(groups.invited.at(-1)!, actor, now), "past");
+});
+
+test("derives stable invitation action blocks from policy, delivery, and participant state", () => {
+  const managed = request("invitation-actions", { participantStatus: "invited" });
+  managed.poll_id = "poll-1";
+  managed.public_participation_policy_enforcement_available = true;
+  managed.public_participation_policy_enforcement_reason = null;
+  managed.participant_invitation_delivery_available = true;
+  const participant = managed.participants[0];
+  assert.deepEqual(schedulingInvitationActionBlocks(managed, participant, now), {
+    copy: "participant_revision_unavailable",
+    send: "participant_revision_unavailable",
+    revoke: "participant_revision_unavailable"
+  });
+  participant.revision = "a".repeat(64);
+  participant.poll_invitation_id = "invitation-1";
+
+  assert.deepEqual(schedulingInvitationActionBlocks(managed, participant, now), {
+    copy: null,
+    send: null,
+    revoke: null
+  });
+
+  managed.participant_invitation_delivery_available = false;
+  assert.equal(
+    schedulingInvitationActionBlocks(managed, participant, now).send,
+    "delivery_unavailable"
+  );
+
+  managed.participant_invitation_delivery_available = true;
+  participant.email = null;
+  participant.respondent_id = `scheduling-participant:${participant.id}`;
+  assert.equal(
+    schedulingInvitationActionBlocks(managed, participant, now).send,
+    "no_delivery_target"
+  );
+
+  managed.public_participation_policy_enforcement_available = false;
+  assert.deepEqual(schedulingInvitationActionBlocks(managed, participant, now), {
+    copy: "participation_policy_unavailable",
+    send: "participation_policy_unavailable",
+    revoke: "participation_policy_unavailable"
+  });
+
+  participant.poll_invitation_id = null;
+  assert.equal(
+    schedulingInvitationActionBlocks(managed, participant, now).revoke,
+    "no_active_invitation"
+  );
+});
+
+test("allows bounded cancelled-request links until the notice expires without blocking revocation", () => {
+  const cancelled = request("cancelled-invitation", {
+    participantStatus: "invited",
+    status: "cancelled"
+  });
+  cancelled.poll_id = "poll-1";
+  cancelled.public_participation_policy_enforcement_available = true;
+  cancelled.participant_invitation_delivery_available = true;
+  cancelled.cancellation_notice_until = "2026-07-20T11:00:00Z";
+  cancelled.participants[0].revision = "b".repeat(64);
+  cancelled.participants[0].poll_invitation_id = "invitation-1";
+
+  assert.deepEqual(schedulingInvitationActionBlocks(cancelled, cancelled.participants[0], now), {
+    copy: null,
+    send: null,
+    revoke: null
+  });
+
+  cancelled.cancellation_notice_until = "2026-07-20T09:00:00Z";
+  assert.deepEqual(schedulingInvitationActionBlocks(cancelled, cancelled.participants[0], now), {
+    copy: "cancellation_notice_expired",
+    send: "cancellation_notice_expired",
+    revoke: null
+  });
+});
+
+test("accepts only same-origin Scheduling public invitation URLs", () => {
+  assert.equal(
+    schedulingPublicInvitationUrl(
+      "/scheduling/public/request-1/token-1",
+      "https://govoplan.example"
+    ),
+    "https://govoplan.example/scheduling/public/request-1/token-1"
+  );
+  assert.equal(
+    schedulingPublicInvitationUrl(
+      "https://attacker.example/scheduling/public/request-1/token-1",
+      "https://govoplan.example"
+    ),
+    null
+  );
+  assert.equal(
+    schedulingPublicInvitationUrl(
+      "/scheduling/publicity/request-1/token-1",
+      "https://govoplan.example"
+    ),
+    null
+  );
+});
+
+test("single-choice availability keeps one positive choice while preserving explicit no answers", () => {
+  const next = applySchedulingAvailabilityChoice(
+    ["slot-a", "slot-b", "slot-c"],
+    { "slot-a": "available", "slot-b": "maybe", "slot-c": "unavailable" },
+    "slot-b",
+    "available",
+    true
+  );
+
+  assert.deepEqual(next, {
+    "slot-a": "unavailable",
+    "slot-b": "available",
+    "slot-c": "unavailable"
+  });
+});
+
+test("multi-choice availability changes only the selected slot", () => {
+  const next = applySchedulingAvailabilityChoice(
+    ["slot-a", "slot-b"],
+    { "slot-a": "available" },
+    "slot-b",
+    "maybe",
+    false
+  );
+
+  assert.deepEqual(next, { "slot-a": "available", "slot-b": "maybe" });
+});

webui/tsconfig.json

@@ -0,0 +1,31 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "lib": ["DOM", "DOM.Iterable", "ES2020"],
+    "allowJs": false,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "preserveSymlinks": true,
+    "baseUrl": ".",
+    "paths": {
+      "@govoplan/core-webui": ["../../govoplan-core/webui/src/index.ts"],
+      "@govoplan/core-webui/*": ["../../govoplan-core/webui/src/*"],
+      "lucide-react": ["../../govoplan-core/webui/node_modules/lucide-react/dist/lucide-react.d.ts"],
+      "react": ["../../govoplan-core/webui/node_modules/@types/react/index.d.ts"],
+      "react/jsx-runtime": ["../../govoplan-core/webui/node_modules/@types/react/jsx-runtime.d.ts"]
+    }
+  },
+  "include": ["src"]
+}