Working doc on 2026-09-09 metric. Open questions inline.
Related: 2025-05-25 embedding, 2024-01-25 rerank.
Cross-section thread: speculative rfc 1341. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Burn rate → onboarding → cohort. Worth a second pass; the burn rate angle keeps coming back.
- Bottleneck → runway → alert. Worth a second pass; the bottleneck angle keeps coming back.
Decisions: shipped the feature flag, rolled back the SLO tweak, queued the postmortem for next week.