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/postgres/migrations/0025_goals.sql

@@ -0,0 +1,25 @@
+CREATE TABLE IF NOT EXISTS goals (
+    id           TEXT PRIMARY KEY NOT NULL,
+    user_id      TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    year         BIGINT NOT NULL,
+    target_count BIGINT NOT NULL,
+    goal_type    TEXT NOT NULL DEFAULT 'movies',
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    UNIQUE(user_id, year)
+);
+CREATE INDEX IF NOT EXISTS idx_goals_user ON goals(user_id);
+
+CREATE TABLE IF NOT EXISTS user_settings (
+    user_id        TEXT PRIMARY KEY NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    federate_goals BIGINT NOT NULL DEFAULT 0
+);
+
+CREATE TABLE IF NOT EXISTS remote_goals (
+    ap_id         TEXT PRIMARY KEY NOT NULL,
+    actor_url     TEXT NOT NULL,
+    year          BIGINT NOT NULL,
+    target_count  BIGINT NOT NULL,
+    current_count BIGINT NOT NULL DEFAULT 0,
+    received_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX IF NOT EXISTS idx_remote_goals_actor ON remote_goals(actor_url);