- Add DownloadService to orchestrate metadata → indexer → torrent flow
- Add POST /api/sync/artist endpoint for syncing artist albums
- Add StubTorrentClient for testing (logs requests to file)
- Refactor TorrentConfig to tagged enum (client_type: qbittorrent|stub|none)
- Add POST /api/reload endpoint for hot config reload
- Add chrono dependency for timestamps
Alexander