Merge pull request #2 from pdurlej/release/26.6.1

26.6.1

feat: harden KOS2 onboarding and setup UX

feat: add cleanup inbox workflow

hotfix: harden kos starter workflow reliability

docs: align changelog with 26.4.2 release

docs: remove superseded bmad top-level snapshots

feat: strengthen organise ingest and polish repo landing