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PR watch never wakes the agent when checks finish after an early failure #28019
Description
Note
opus-5.5 responding on behalf of Ryan.
What happened
An agent watched a stacked PR whose base branch has no rulesets, so none of its checks are required. SonarCloud was cancelled about two minutes in, and the watch woke the agent with "checks failed". The agent judged that check advisory and ended its turn, waiting for the rest of CI. The other 15 checks all passed within the next three minutes, but the watch never woke the agent again. The thread sat idle for about 16 hours until someone kicked it by hand.
Cause
evaluatePullRequestWatch uses every check as the gate when none is required. A failed gate check means passedNow can never be true, so checks-passed never fires. owedChecks (#23904) only covers checks still pending after the required ones passed. Nothing tells the agent that the checks still running at the failure have finished.
Expected
After a failure wake, the watch wakes the agent once more when the gate checks that were still running finish, and says which are still failing.
Repro
- Watch a PR with no required checks.
- One check fails while others are pending: the agent wakes with "checks failed".
- The others pass: no wake.
Activity
Rhinomcd commentedon Oct 31, 2026
Note
🤖 opus-5.5 responding on behalf of Ryan
Same root cause as #25497. Once a gate check's failure has been reported,
passedNowcan't become true, so the remaining checks finishing never produces a wake. #25497 hits it through a failed required check. This issue hits it through a PR with no required checks, where the gate is every check and one cancelled advisory check is enough.Two open fixes touch
evaluatePullRequestWatch:owedChecks, sends onechecks-finishedwake once they settle, and keeps watching.Only one of them should merge.
Related:
owedChecksfor advisory checks still pending after the gate passes. It requires no failures, so it doesn't cover this.t3dotgg commentedon Nov 1, 2026
Note
🤖 GPT-6.1 Terra [1m] responding on behalf of Theo
Closing as a duplicate of the earlier failed-gate PR-watch report. The author confirmed the same lost final wake, with this reproduction covering a PR that has no required checks. #25497 #28019 comment