GRM-168: docs: fix vale quote punctuation in spec

ansible/roles/gitea_runner/defaults/main.yml

@@ -50,6 +50,11 @@ gitea_runner_healthcheck_disk_threshold: 70
 gitea_runner_healthcheck_disk_critical: 75
 gitea_runner_healthcheck_script_path: "{{ gitea_runner_config_dir }}/healthcheck.sh"
 
+# CI job containers older than this many minutes get an exec-responsiveness
+# probe; a timeout writes one diagnostics bundle per container for
+# post-mortem analysis of recurring ~20min exec/archive stalls (GRM-168).
+gitea_runner_stall_minutes: 15
+
 # Auto-recovery: when the healthcheck detects an unregistered runner, it
 # can automatically re-register if a Gitea API token is provided.
 # The token needs admin or org-level access to fetch registration tokens.

ansible/roles/gitea_runner/templates/runner-healthcheck.sh.j2

@@ -30,6 +30,41 @@ if [[ -n "$stuck_containers" ]]; then
     echo "$stuck_containers" | xargs -r docker rm -f 2>/dev/null || true
 fi
 
+# 1c. Detect stalled CI job containers — Implements: REQ-1..REQ-4 (GRM-168)
+#     act_runner exec/archive calls into long-running job containers have
+#     repeatedly timed out ~20min into jobs while the daemon stayed up.
+#     Probe exec responsiveness on aged job containers and, on timeout,
+#     write one diagnostics bundle per container for post-mortem analysis.
+STALL_MINUTES={{ gitea_runner_stall_minutes }}
+DIAG_DIR="{{ gitea_runner_config_dir }}"
+now_epoch=$(date +%s)
+timeout 15 docker ps --filter "name=GITEA-ACTIONS-TASK" \
+    --format '{% raw %}{{.ID}} {{.Names}} {{.CreatedAt}}{% endraw %}' 2>/dev/null \
+    | while read -r cid cname ccreated _rest; do
+    created_epoch=$(date -d "$ccreated" +%s 2>/dev/null || echo 0)
+    age_min=$(( (now_epoch - created_epoch) / 60 ))
+    [[ "$age_min" -lt "$STALL_MINUTES" ]] && continue
+    marker="$DIAG_DIR/.stall-diag-$cid"
+    [[ -f "$marker" ]] && continue
+    if ! timeout 10 docker exec "$cid" true 2>/dev/null; then
+        diag="$DIAG_DIR/stall-diag-$cname-$(date +%Y%m%dT%H%M%S).log"
+        {
+            echo "=== stall diagnostics for $cname ($cid), age ${age_min}m ==="
+            echo "--- exec probe: TIMEOUT (>10s) ---"
+            echo "--- docker inspect ---"
+            timeout 15 docker inspect "$cid" 2>/dev/null | head -200
+            echo "--- docker top ---"
+            timeout 15 docker top "$cid" 2>/dev/null
+            echo "--- docker stats --no-stream ---"
+            timeout 15 docker stats --no-stream "$cid" 2>/dev/null
+            echo "--- docker events --since 30m ---"
+            timeout 15 docker events --since 30m --until 0s 2>/dev/null | tail -50
+        } > "$diag" 2>&1 || true
+        touch "$marker"
+        echo "WARN: job container $cname unresponsive to exec (${age_min}m old) — diagnostics at $diag"
+    fi
+done
+
 # 2. Check gitea-runner service is active
 runner_state=$(systemctl --user is-active gitea-runner.service 2>/dev/null || true)
 if [[ "$runner_state" != "active" ]]; then