2026-08-25 — skills-set human labels :: Agent Rules :: Dev-Centr Docs

Human-readable set tags skills-set/YYYY.MM.DD (optional .N same day) on top of authoritative AGENT_RULES_SYNCED_SHA.
Stamp AGENT_RULES_SYNCED_LABEL in $CODE_ROOT/harness.md after sync; cutting tags documented in skill sync-agent-rules.