feat(api): Integrate aggressive logging for all hook invocations

session_logger.py

@@ -40,6 +40,7 @@ _seq_lock = threading.Lock()
 
 _comms_fh = None         # file handle: logs/comms_<ts>.log
 _tool_fh  = None         # file handle: logs/toolcalls_<ts>.log
+_api_fh   = None         # file handle: logs/apihooks_<ts>.log
 
 
 def _now_ts() -> str:
@@ -52,7 +53,7 @@ def open_session():
     opens the two log files for this session.  Idempotent - a second call is
     ignored.
     """
-    global _ts, _comms_fh, _tool_fh, _seq
+    global _ts, _comms_fh, _tool_fh, _api_fh, _seq
 
     if _comms_fh is not None:
         return  # already open
@@ -65,6 +66,7 @@ def open_session():
 
     _comms_fh = open(_LOG_DIR / f"comms_{_ts}.log", "w", encoding="utf-8", buffering=1)
     _tool_fh  = open(_LOG_DIR / f"toolcalls_{_ts}.log", "w", encoding="utf-8", buffering=1)
+    _api_fh   = open(_LOG_DIR / f"apihooks_{_ts}.log", "w", encoding="utf-8", buffering=1)
 
     _tool_fh.write(f"# Tool-call log — session {_ts}\n\n")
     _tool_fh.flush()
@@ -72,13 +74,30 @@ def open_session():
 
 def close_session():
     """Flush and close both log files.  Called on clean exit (optional)."""
-    global _comms_fh, _tool_fh
+    global _comms_fh, _tool_fh, _api_fh
     if _comms_fh:
         _comms_fh.close()
         _comms_fh = None
     if _tool_fh:
         _tool_fh.close()
         _tool_fh = None
+    if _api_fh:
+        _api_fh.close()
+        _api_fh = None
+
+
+def log_api_hook(method: str, path: str, payload: str):
+    """
+    Log an API hook invocation.
+    """
+    if _api_fh is None:
+        return
+    ts_entry = datetime.datetime.now().strftime("%H:%M:%S")
+    try:
+        _api_fh.write(f"[{ts_entry}] {method} {path} - Payload: {payload}\n")
+        _api_fh.flush()
+    except Exception:
+        pass
 
 
 def log_comms(entry: dict):