Update RabbitMQ config and eventbus. Improve secret filter logging.
Refine presence, cloud, and social services. Update announcement and
feature flag handlers. Add track_likes updated_at migration. Rebuild
seed binary.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- C1-01: Create CloudService with CRUD folders/files, quota, ownership
- C1-02: Create CloudHandler with 11 REST endpoints
- C1-03: Register cloud routes in Go router
- C1-04: Implement file streaming with HTTP Range support
- C1-05: Add publish cloud file as track endpoint
- C1-06: Add MSW mock handlers for cloud API
- C1-07: Auto-init 5GB storage quota on user registration
- C1-08: Add 12 unit tests for CloudService
