Notes on blocked metric 8839. Picked back up after the last review.
Related: external second-brain 831, deep-dive second-brain 887.
Cross-section thread: deprecated rag 1328. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Pto → metric → memex. Worth a second pass; the PTO angle keeps coming back.
- Deck → embedding → playbook. Worth a second pass; the deck angle keeps coming back.
Status: in-flight. Owner: me. Blocker: waiting on infra review. Next checkpoint: end of week.