backend/src/main/java/org/raddatz/familienarchiv/timeline/TimelineEvent.java

@@ -122,7 +122,7 @@ public class TimelineEvent {
     private LocalDateTime updatedAt;
 
     /**
-     * Optimistic-lock version for the multi-curator edit flow (issue 3). Object {@code Long}
+     * Optimistic-lock version for the multi-curator edit flow (#775). Object {@code Long}
      * (not primitive) so it is {@code null} before first persist; Hibernate sets {@code 0} on
      * insert. A concurrent-write conflict must be translated to {@code DomainException.conflict}
      * in the service layer (ADR-040) — otherwise it surfaces as HTTP 500 with Hibernate

backend/src/main/java/org/raddatz/familienarchiv/timeline/TimelineEventRepository.java

@@ -5,5 +5,5 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import java.util.UUID;
 
 public interface TimelineEventRepository extends JpaRepository<TimelineEvent, UUID> {
-    // TODO(issue 5): findByPersonsContaining(Person) needed for the per-person filter
+    // TODO(#777): findByPersonsContaining(Person) needed for the per-person filter
 }

docs/adr/040-timeline-domain-data-model.md

@@ -23,11 +23,11 @@ audit footprint deliberately diverges (see below).
 Curated timeline events are their own concern, not a Lesereise/`Geschichte` subtype.
 The domain owns `TimelineEvent`, `EventType`, and `TimelineEventRepository`.
 
-### 2. Responses (issue 3) will be views, not serialized entities
+### 2. Responses (#775) will be views, not serialized entities
 
 `TimelineEvent` has two LAZY `ManyToMany` collections (`persons`, `documents`) and
 `open-in-view` is `false` — exactly the shape that motivated ADR-036 for `geschichte`.
-Issue 3 must assemble `TimelineEventView`/`TimelineEventSummary` inside the service
+#775 must assemble `TimelineEventView`/`TimelineEventSummary` inside the service
 transaction; a serialized entity is a 500 waiting to happen. Decided up front so it is
 not retrofitted later.
 
@@ -64,7 +64,7 @@ inferred. This divergence is deliberate: a future "bug fix" must not relax it to
 `Document` has neither a version nor a creator. A curated entity edited by multiple curators
 warrants real protection, so `TimelineEvent` adds:
 
-- `@Version Long version` — optimistic locking for the multi-curator edit flow (issue 3).
+- `@Version Long version` — optimistic locking for the multi-curator edit flow (#775).
   Object `Long` (not primitive) so it is `null` before first persist; Hibernate sets `0` on
   insert. The service **must** catch `ObjectOptimisticLockingFailureException` and translate
   it to `DomainException.conflict(...)`. Without that translation a concurrent-write conflict
@@ -82,7 +82,7 @@ session principal before every `save()`, or the timestamp moves while the "who"
 ### 7. `createdBy`/`updatedBy` are server-populated only — never bound from client input
 
 Both are set from the session principal in the service, never from a request body. Binding
-them from client input is an authorship-forgery / mass-assignment vector (CWE-639). Issue 3's
+them from client input is an authorship-forgery / mass-assignment vector (CWE-639). #775's
 regression suite must include forgery cases on **both** write paths (`POST` body with
 `createdBy`, `PUT` body with `updatedBy`) — create and update are separate binding paths, so
 testing only one leaves half the vector open. The update test must assert `updatedBy` equals
@@ -108,5 +108,5 @@ the event intact (V71/ADR-032 hardening — a person delete must never 500).
   `timeline_events`). No rollback script, no rollback test.
 - The `timeline → document.DatePrecision` compile coupling is permanent until a shared-package
   refactor; precedent already exists (`importing/DocumentImporter`, `person`).
-- The service/controller/DTO layer (issue 3) inherits the view-assembly, optimistic-lock
+- The service/controller/DTO layer (#775) inherits the view-assembly, optimistic-lock
   translation, forgery-guard, and permission obligations recorded above.

docs/architecture/c4/l3-backend-timeline.puml

@@ -6,10 +6,10 @@ title Component Diagram: API Backend — Timeline (Zeitstrahl)
 ContainerDb(db, "PostgreSQL", "PostgreSQL 16")
 
 System_Boundary(backend, "API Backend (Spring Boot)") {
-    Component(timelineRepo, "TimelineEventRepository", "Spring Data JPA", "Reads and writes TimelineEvent rows and their persons/documents join tables (timeline_event_persons, timeline_event_documents). Issue #774 ships the repository empty; the per-person filter query lands in a later issue.")
+    Component(timelineRepo, "TimelineEventRepository", "Spring Data JPA", "Reads and writes TimelineEvent rows and their persons/documents join tables (timeline_event_persons, timeline_event_documents). Issue #774 ships the repository empty; the per-person filter query lands in #777.")
 
-    Component(timelineSvc, "TimelineEventService", "Spring Service (planned, issue 3)", "Will own curated-event CRUD: assemble TimelineEventView/Summary inside the transaction (lazy ManyToMany + open-in-view=false, per ADR-036/ADR-040), populate createdBy/updatedBy from the session principal, and translate optimistic-lock conflicts to DomainException.conflict.")
-    Component(timelineCtrl, "TimelineEventController", "Spring MVC (planned, issue 3)", "Will expose /api/timeline reads (READ_ALL) and writes (WRITE_ALL). createdBy/updatedBy are never bound from request bodies (CWE-639).")
+    Component(timelineSvc, "TimelineEventService", "Spring Service (planned, #775)", "Will own curated-event CRUD: assemble TimelineEventView/Summary inside the transaction (lazy ManyToMany + open-in-view=false, per ADR-036/ADR-040), populate createdBy/updatedBy from the session principal, and translate optimistic-lock conflicts to DomainException.conflict.")
+    Component(timelineCtrl, "TimelineEventController", "Spring MVC (planned, #775)", "Will expose /api/timeline reads (READ_ALL) and writes (WRITE_ALL). createdBy/updatedBy are never bound from request bodies (CWE-639).")
 }
 
 System_Ext(documentDomain, "Document domain", "Provides DatePrecision (shared value type) and Document references for linked letters")