PodVault Authentication Worker - Database Token Edition
Environment: production
Version: 2.2.0-token-invalidation
Features: Database Token Validation, Edge Caching, Offline Capability, Token Invalidation

Endpoints:
- /health (worker status)
- /invalidate-token (POST - invalidate cached token)
- /p/{token}/{filename} (database token validation with edge caching)

This worker caches database token validations at the edge for offline podcast delivery.