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Irreversible data loss — confirm backup/retention policy before applying.
This migration permanently drops
chat_messagesandchat_threads(withCASCADE, also any dependent objects such as views/FKs). There is no rollback path once applied to production; all historical chat data will be unrecoverable from the application database.A few things to confirm before this lands:
CASCADEwill silently drop dependents.If you'd like, the migration can be made a touch safer by archiving rows to a JSON column / side table first, or by guarding behind a feature flag with a follow-up cleanup migration. Otherwise, the SQL itself is correct.
🤖 Prompt for AI Agents