modify gemini template

Writing/Gemini/.gemini/hooks/validate_docs_after_agent.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""Gemini CLI AfterAgent hook that requests a retry when validation fails."""
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def emit(payload: dict) -> None:
+    print(json.dumps(payload, ensure_ascii=False))
+
+
+def main() -> int:
+    raw = sys.stdin.read()
+    try:
+        data = json.loads(raw) if raw.strip() else {}
+    except json.JSONDecodeError:
+        data = {}
+
+    result = subprocess.run(
+        [sys.executable, "scripts/validate_docs.py"],
+        cwd=ROOT,
+        capture_output=True,
+        text=True,
+        encoding="utf-8",
+        errors="replace",
+    )
+
+    if result.returncode == 0:
+        emit({})
+        return 0
+
+    details = "\n".join(part for part in [result.stdout.strip(), result.stderr.strip()] if part)
+    reason = (
+        "Document harness validation failed. Continue the turn, fix the listed "
+        f"issues, and run `python scripts/validate_docs.py` again.\n\n{details}"
+    )
+
+    if data.get("stop_hook_active"):
+        emit({"continue": False, "stopReason": reason, "suppressOutput": True})
+    else:
+        emit({"decision": "deny", "reason": reason, "suppressOutput": True})
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())