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/adapters/nats/src/subject.rs

@@ -20,6 +20,9 @@ pub fn event_to_subject(prefix: &str, event: &DomainEvent) -> String {
         DomainEvent::WrapUpCompleted { .. } => "wrapup.completed",
         DomainEvent::SearchReindexRequested => "search.reindex.requested",
         DomainEvent::PosterSynced { .. } => "poster.synced",
+        DomainEvent::GoalCreated { .. } => "goal.created",
+        DomainEvent::GoalUpdated { .. } => "goal.updated",
+        DomainEvent::GoalDeleted { .. } => "goal.deleted",
     };
     format!("{prefix}.{suffix}")
 }