sessionend (A)

Part 3 · EACH TOOL · Slide 15 of 60

Bank the session. /sessionend.
Writes four continuity files — START-HERE.md, HANDOFF.md,
STATE.md, the foundation block (merged, never clobbered) —
then lints START-HERE as a cold reader: every path and command
in it must be runnable as written.

   session ──► sessionend ──► 4 files ──► starthere_lint exit 0