Restore analytics raw snapshot; pause fact backfill - #13
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The nested prior-session IN still re-scanned the whole window and timed out under SurrealDB contention, and the leased backfill kept resetting connections after #12. Intersect the idle-window candidates in Rust, give the raw path eight seconds, and leave the backfill worker off until explicitly enabled. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
/analyticsstill standby: logs show continuous fact backfill plusConnection reset/ 3s snapshot timeouts.session_id IN (SELECT … whole window)from the legacy snapshot; probe only the 30-minute idle window and intersect in Rust; raise the raw timeout to 8s.ANALYTICS_FACTS_BACKFILL=1opt-in so deploy stops the worker by default and the dashboard can recover.Test plan
just checkANALYTICS_FACTS_BACKFILLbackfill worker idleANALYTICS_FACTS_BACKFILL=1when deliberately finishing fact rolloutMade with Cursor