improvise-24lz: the head checks precede the ended-PR exit; CLOSED fixture takes its live shape

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VdfEGXA7aJ6ftMsCc9PJze
2026-09-23 16:58:59 -07:00
parent b13355c74b
commit 8cdea3a430
5 changed files with 89 additions and 33 deletions
@@ -19,7 +19,8 @@ exit 2  the head moved during the wait, or is not --expect
 exit 3  timed out with checks still running, mergeability still UNKNOWN,
        or still BLOCKED with every registered check green
 exit 4  usage or environment error
-exit 5  the PR is MERGED or CLOSED; it ends on the first poll
+exit 5  the PR is MERGED or CLOSED, at the head the watch pinned; it ends on
+        the first poll that sees it closed, which may be mid-wait
 ```

 **Exit 0 now means mergeable, not only green.** GitHub computes mergeability