docs: Today/Culture scoping merge log (gates + post-merge verification)
- docs(today-scoping): MERGE-LOG — gates, SHAs, post-merge V1-V5 with the row-id proof, flag state at every checkpoint
- Merge pull request #498 from tpromni/docs/today-scoping-merge-log
Source: tpromni/coach-pulse-consumer-ui → dev