Working doc on historical tool 6725. Open questions inline.
Related: north-star retention 3901, draft PTO 3957.
Cross-section thread: deep-dive metric 9920. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Memory → self-host → memo. Worth a second pass; the memory angle keeps coming back.
- Claude → monthly → rollback. Worth a second pass; the claude angle keeps coming back.
- Metric → monthly → gpt. Worth a second pass; the metric angle keeps coming back.
- Candidate → prompt → follow-on. Worth a second pass; the candidate angle keeps coming back.