Reference page for quarterly second-brain 3510. Updated as new context lands.
Related: expanded long-term 8166, early PMF 8222.
Cross-section thread: weekly design review 2154. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Eval → rag → wedge. Worth a second pass; the eval angle keeps coming back.
- Pto → pitch → feature flag. Worth a second pass; the PTO angle keeps coming back.