Reference page for deprecated playbook 127. Updated as new context lands.
Related: current lora 1087, internal hypothesis 1143.
Cross-section thread: 2026-09-17 vector. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Pmf → memo → context. Worth a second pass; the PMF angle keeps coming back.
- Fine-tune → weekly → alert. Worth a second pass; the fine-tune angle keeps coming back.
Status: in-flight. Owner: me. Blocker: waiting on infra review. Next checkpoint: end of week.