[fix] issue #694: CI failure bot stays silent when no actual failures found

.github/actions/bot-ci-failure/analyze_failure.py

@@ -391,6 +391,26 @@ def main():
     ):
         print("::warning::Skipping: No failure logs to analyse.", file=sys.stderr)
         return
+    if not error_log.strip():
+        print("::warning::Skipping: Empty failure logs.", file=sys.stderr)
+        return
+    if not tests_failed and not transient_only:
+        try:
+            with open("failed_logs.txt") as f:
+                raw = f.read()
+            no_failure_patterns = [
+                "No failed jobs found",
+                "Failed jobs found but logs unavailable",
+                "Could not fetch failed jobs",
+            ]
+            if any(p in raw for p in no_failure_patterns):
+                print(
+                    "::notice::No CI failures detected; skipping analysis.",
+                    file=sys.stderr,
+                )
+                return
+        except OSError:
+            pass
     # Only fetch the full repository code context when automated tests
     # actually failed.  For QA-only or commit-message failures the code
     # is not needed and would waste prompt tokens.

.github/workflows/reusable-bot-ci-failure.yml

@@ -183,4 +183,8 @@ jobs:
             echo "AI analysis produced no output; skipping comment."
             exit 0
           fi
+          if ! grep -q "##\[error\]" failed_logs.txt 2>/dev/null; then
+            echo "No CI failures detected; skipping comment."
+            exit 0
+          fi
           gh pr comment "$PR_NUM" --repo "$REPO" --body-file solution.md