feat: tighten main agent execution traceability

scripts/check_repo_baseline.sh

@@ -40,9 +40,24 @@ for path in sorted(pathlib.Path("n8n/workflows").glob("*.json")):
 PY
 
 echo "[5/6] validate web scripts"
-for file in web/storyforge-web-v4/assets/app.js web/storyforge-web-v4/assets/storyforge-*.js; do
-  node --check "$file"
-done
+validate_node_script() {
+  for file in "$@"; do
+    if [ ! -f "$file" ]; then
+      echo "missing required script file: $file" >&2
+      exit 1
+    fi
+    node --check "$file"
+  done
+}
+
+validate_node_script web/storyforge-web-v4/assets/app.js
+
+set -- web/storyforge-web-v4/assets/storyforge-*.js
+if [ "$1" = 'web/storyforge-web-v4/assets/storyforge-*.js' ]; then
+  echo "missing required script bundle: web/storyforge-web-v4/assets/storyforge-*.js" >&2
+  exit 1
+fi
+validate_node_script "$@"
 node --check scripts/douyin-browser-capture/control_panel.mjs
 
 echo "[6/6] validate homepage and workbench tests"