List stale file deployments

GET 
/api/file/stale

Returns deployments where the source object in the Object Store has been updated since the file was last deployed. Controller-only check that compares state KV SHA-256 hashes against current object content.

Responses

200

Stale deployments found (may be empty).

401

Unauthorized - API key required.

403

Forbidden - Insufficient permissions.

500

Internal server error.