Doc-refresh log

Append-only ledger for /doc-refresh runs. One row per invocation. Never edited retroactively — a correction gets a new row, not a rewrite of an old one. The skill reads the last row's PR/commit to compute what changed since.

Date	Trigger	Workstreams touched	PR	Commit range covered
2026-08-19	milestone — MVP-1 released, MVP-2 redefined as the Explore backend	A (mvp-scope.md release step-down), B (root context), C (official docs tree), D (archive moves), E (contracts minimal-flip), F (roadmap-inputs-2026-08-19.md)	#265	b670d539..d0f2bcd8