Initial public ModelForge release

2026-09-01 21:30:16 +02:00
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+# Retention and Deprecation
+
+Deprecation removes an object from ordinary selection; it does not delete bytes or history.
+Supersession is an explicit reference on the lifecycle subject. Archive means no active deployment
+and hidden normal selection while identities, hashes, plans, evaluation and audit remain queryable.
+
+`RetentionPolicyRevision` is versioned and immutable. The default `standard-rollback` revision
+retains the previous stable target for at least 30 days after commit. A retention record distinguishes
+`ACTIVE`, `ROLLBACK_RETAINED`, `DEPRECATED`, `ARCHIVABLE` and `ARCHIVED`; legal hold and unexpired
+rollback state block cleanup. Tests use controlled timestamps to evaluate expiry without waiting.
+
+Physical removal is always a separate cleanup operation. Archiving metadata does not imply removing
+model weights, and deleting one node-local location does not mark an artifact globally missing while
+another verified location remains.
+
+M13 captures a migration rollback snapshot before external switch and applies the plan's minimum
+30-day retention. Active migrations and unexpired rollback snapshots are cleanup blockers; orphan
+shadow targets become explicit later cleanup candidates and are never auto-deleted.