Search Endpoints & R2 Cleanup Worker

What’s New

• Added GET /search/genius for Genius music metadata search
• Added GET /search/genuis/get for Genius lyrics scraping
• Added GET /downloader/mediafire with rich file metadata extraction
• Added GET /downloader/youtube/video and GET /downloader/youtube/audio
• Added midnight R2 cleanup worker for temporary asset prefixes
• Added dedicated Search module with its own category in endpoint catalog

Improvements

• Endpoint catalog hot-reloads in development without server restart
• Redis disabled automatically in non-production environments
• MediaFire response enriched with extension, size bytes, file ID, and thumbnail
• Shared upstream HTTP service with retry/timeout policy for all external calls
• Added reusable R2 storage capabilities (paginated listing + batch deletion)

Fixes

• Fixed YouTube status URL trust rejection for non-standard provider hosts
• Fixed hydration mismatch on endpoints page reset button