feat: goals — "watch N movies in YEAR" with progress bar

Domain: Goal entity, UserSettings (federation toggle), RemoteGoalEntry.
Ports: GoalRepository, UserSettingsRepository, RemoteGoalRepository.
Adapters: sqlite + postgres repos, migrations, AP content query extensions.
Application: CRUD use cases (create/update/delete/get/list), settings use cases.
API: 7 endpoints (/goals CRUD, /users/{id}/goals, /settings) with utoipa docs.
Federation: GoalObject (Note + goal discriminator), outbound broadcast with
per-user toggle, inbound GoalObjectHandler in CompositeObjectHandler.
SPA: API client + hooks, GoalCard (shadcn Card+Progress+DropdownMenu),
GoalSheet (Drawer), profile integration (editable own, read-only others),
federation toggle in settings (Switch).
Classic HTML: glassmorphic goal card on profile, Frutiger Aero styling.
Progress computed from existing reviews — backwards compatible.

crates/domain/src/events.rs

@@ -3,7 +3,9 @@ use chrono::NaiveDateTime;
 
 use crate::{
     errors::DomainError,
-    value_objects::{ExternalMetadataId, MovieId, PosterPath, Rating, ReviewId, UserId, WrapUpId},
+    value_objects::{
+        ExternalMetadataId, GoalId, MovieId, PosterPath, Rating, ReviewId, UserId, WrapUpId,
+    },
 };
 
 #[derive(Clone, Debug)]
@@ -88,6 +90,23 @@ pub enum DomainEvent {
     PosterSynced {
         movie_id: MovieId,
     },
+    GoalCreated {
+        goal_id: GoalId,
+        user_id: UserId,
+        year: u16,
+        target_count: u32,
+    },
+    GoalUpdated {
+        goal_id: GoalId,
+        user_id: UserId,
+        year: u16,
+        target_count: u32,
+    },
+    GoalDeleted {
+        goal_id: GoalId,
+        user_id: UserId,
+        year: u16,
+    },
 }
 
 #[async_trait]