Luke Mino-Altherr a2cb29fd06 Make asset mime_type immutable after first ingest ... Prevents cross-tenant metadata mutation when multiple references share the same content-addressed Asset row. mime_type can now only be set when NULL (first ingest); subsequent attempts to change it are silently ignored. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-03-12 17:39:08 -07:00
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queries	Make asset mime_type immutable after first ingest	2026-03-12 17:39:08 -07:00
models.py	Change preview_id to reference asset by reference ID, not content ID	2026-03-12 17:39:08 -07:00