Update audit_log.py

audit_log.py

@@ -1,2 +1,10 @@
-def log_event(event, user, details):
-    print(f"[LOG] {event}: {details}")
+import os, json, time
+
+def log_event(kind: str, user_id: str | None, payload: dict):
+    rec = {"ts": time.time(), "kind": kind, "user": user_id, "payload": payload}
+    os.makedirs("./logs", exist_ok=True)
+    with open("./logs/events.log", "a", encoding="utf-8") as f:
+        f.write(json.dumps(rec, ensure_ascii=False) + "\n")
+
+def hash_summary(label: str, text: str):
+    return {f"{label}_len": len(text or "")}