2 commits

Author	SHA1	Message	Date
Antti Kettunen	bf0bfe5976	Fix Deezer and iTunes normalization edge cases ... - derive Deezer track album types from album metadata instead of the raw track type - inject Deezer artist data into artist-album payloads - keep the iTunes explicit-duplicate guard from swapping in broken releases	2026-05-09 11:45:13 +03:00
Antti Kettunen	896b1b1012	Add typed metadata engine baseline ... - introduce the in-process metadata engine and fresh provider adapters - normalize external identity through source_id while keeping id as a compatibility alias - route metadata callers through the new seam and add regression coverage	2026-05-09 11:44:47 +03:00