feat: image storage generalization, user profile, and federation polish

- Replace PosterStorage with generic ImageStorage port (IMAGE_STORAGE_BACKEND/PATH env vars)
- Rename poster-storage crate to image-storage; serve at /images/{*key}
- Add bio and avatar_path to User model (migration 0009_user_profile)
- update_profile use case with avatar upload, mime validation, old avatar cleanup
- GET/PUT /api/v1/profile and GET/POST /settings/profile HTML page
- Enrich AP Person actor with summary, icon, url, discoverable fields
- Store remote actor avatar_url (migration 0010_ap_remote_actor_avatar)
- Shared inbox delivery via collect_inboxes deduplication
- Broadcast Update(Person) to followers on UserUpdated event
- Paginated outbox: OrderedCollection + OrderedCollectionPage with cursor
- Announce/boost tracking in ap_announces table (migration 0011_ap_announces)

crates/presentation/src/main.rs

@@ -49,7 +49,7 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
     let (auth_service, password_hasher) = auth::create()?;
     let metadata_client = metadata::create()?;
     let poster_fetcher = poster_fetcher::create()?;
-    let poster_storage = poster_storage::create()?;
+    let image_storage = image_storage::create()?;
 
     let (movie_repository, review_repository, diary_repository, stats_repository, user_repository, import_session_repository, import_profile_repository, db_pool) =
         match backend.as_str() {
@@ -155,7 +155,7 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
         stats_repository,
         metadata_client,
         poster_fetcher,
-        poster_storage,
+        image_storage,
         event_publisher: event_publisher_arc,
         auth_service,
         password_hasher,