fix(gate): surface issue format validator errors

.github/workflows/agents-issue-format-guard.yml

@@ -62,19 +62,29 @@ jobs:
         if: steps.issue.outputs.exempt != 'true'
         run: |
           set +e
+          report_file="$(mktemp)"
+          error_file="$(mktemp)"
+          trap 'rm -f "$report_file" "$error_file"' EXIT
           if [[ ! -f .github/scripts/issue_format.py ]]; then
             echo "validator absent — skipping while this repo is mid-sync"
             echo "rc=skip" >> "$GITHUB_OUTPUT"
             exit 0
           fi
-          python3 .github/scripts/issue_format.py body.md > report.md
+          python3 .github/scripts/issue_format.py body.md > "$report_file" 2> "$error_file"
           rc=$?
           set -e
           echo "rc=$rc" >> "$GITHUB_OUTPUT"
-          cat report.md || true
+          cat "$report_file" || true
+          if [[ "$rc" -eq 1 && -s "$error_file" ]]; then
+            echo "::error::issue-format validator failed unexpectedly"
+            cat "$error_file" >&2
+            exit 1
+          fi
           if [[ "$rc" -ne 0 && "$rc" -ne 1 ]]; then
+            cat "$error_file" >&2
             exit "$rc"
           fi
+          cp "$report_file" report.md
 
       - name: Invalidate stale format completion after an invalid issue change
         if: >-

langsmith-fleet-worker-attempt.json

@@ -0,0 +1,16 @@
+{
+  "agent": "codex",
+  "cli_version": "0.144.1",
+  "emitted_at": "2026-08-07T17:46:15.035406Z",
+  "execution_profile": "codex-default",
+  "fallback_models": [
+    "gpt-5.5"
+  ],
+  "operation_role": "worker",
+  "pr_number": "2973",
+  "requested_model": "gpt-5.6-terra",
+  "runner": "reusable-codex-run",
+  "schema": "langsmith-fleet/v1",
+  "selected_model": "",
+  "selection_reason": ""
+}

templates/consumer-repo/.github/workflows/agents-issue-format-guard.yml

@@ -62,19 +62,29 @@ jobs:
         if: steps.issue.outputs.exempt != 'true'
         run: |
           set +e
+          report_file="$(mktemp)"
+          error_file="$(mktemp)"
+          trap 'rm -f "$report_file" "$error_file"' EXIT
           if [[ ! -f .github/scripts/issue_format.py ]]; then
             echo "validator absent — skipping while this repo is mid-sync"
             echo "rc=skip" >> "$GITHUB_OUTPUT"
             exit 0
           fi
-          python3 .github/scripts/issue_format.py body.md > report.md
+          python3 .github/scripts/issue_format.py body.md > "$report_file" 2> "$error_file"
           rc=$?
           set -e
           echo "rc=$rc" >> "$GITHUB_OUTPUT"
-          cat report.md || true
+          cat "$report_file" || true
+          if [[ "$rc" -eq 1 && -s "$error_file" ]]; then
+            echo "::error::issue-format validator failed unexpectedly"
+            cat "$error_file" >&2
+            exit 1
+          fi
           if [[ "$rc" -ne 0 && "$rc" -ne 1 ]]; then
+            cat "$error_file" >&2
             exit "$rc"
           fi
+          cp "$report_file" report.md
 
       - name: Invalidate stale format completion after an invalid issue change
         if: >-