feat(fc-cleanup): api/cleanup.py blueprint (9 endpoints) + register + delete-audit-<id> token (matches modal convention) — Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend/app/api/__init__.py

@@ -16,6 +16,7 @@ api_bp.add_url_rule("/health", view_func=health.get_health, methods=["GET"])
 def all_blueprints() -> list[Blueprint]:
     from .admin import admin_bp
     from .aliases import aliases_bp
+    from .cleanup import cleanup_bp
     from .allowlist import allowlist_bp
     from .artist import artist_bp
     from .artists import artists_bp
@@ -50,6 +51,7 @@ def all_blueprints() -> list[Blueprint]:
         system_activity_bp,
         system_backup_bp,
         admin_bp,
+        cleanup_bp,
         import_admin_bp,
         migrate_bp,
         suggestions_bp,