fix-bug

Debug silent webhook failures by mapping the end-to-end runtime contract from trigger to observable state, identifying swallow patterns like empty catch blocks or redirected stderr, and running a single disambiguating diagnostic to isolate the hidden error.

Cron misfires and queue worker stalls often stem from swallowed exceptions or env-var injection issues; trace the dispatch path using file:line evidence to find where the runtime contract breaks before forming ranked hypotheses.

Find silent integration regressions by switching to a git-history driven workflow using log, blame, and bisect anchored on a version where the feature last worked, then trace the runtime contract to pinpoint the introduced swallow pattern.

Detect hidden config write and env-var injection errors by mapping the expected runtime contract of endpoints and artifacts, then searching for silent-failure sites like `|| true` operators, empty catch blocks, or redirected stdout that mask the real error.

Yes, the runtime-contract-first method applies to file-watcher triggers and tool-call or MCP delivery problems by requiring explicit identification of silent-failure sites and a single diagnostic to disambiguate whether the dispatch or receiver stage dropped the event.

After diagnosing a silent failure, apply the ranked fix with the highest confidence label and perform optional regression test hardening to ensure the swallow pattern or missing side effect triggers a visible error in future runs.