Manifest API Endpoint

[dmitrytrager]

GET /api/v1/devices/me/manifest

• Build manifest JSON structure containing:
  • manifest_version (e.g., "v42")
  • manifest_checksum (SHA256 of manifest content)
  • generated_at timestamp
  • language object (id, code, name)
  • providers array with nested topics and files
  • total_size_bytes and total_files counts
• Each file entry must include: id, filename, path, checksum, size_bytes, content_type, updated_at
• Return ETag header with manifest version