feat(gui): add Tool Usage Analytics panel with stats tracking

src/app_controller.py

@@ -145,6 +145,7 @@ class AppController:
   self._patch_error_message: Optional[str] = None
   self.mma_status: str = "idle"
   self._tool_log: List[Dict[str, Any]] = []
+  self._tool_stats: Dict[str, Dict[str, Any]] = {}  # {tool_name: {"count": 0, "total_time_ms": 0.0, "failures": 0}}
   self._comms_log: List[Dict[str, Any]] = []
   self.session_usage: Dict[str, Any] = {
    "input_tokens": 0,
@@ -1062,8 +1063,17 @@ class AppController:
   self._set_status("powershell done, awaiting AI...")
   return output
 
- def _append_tool_log(self, script: str, result: str, source_tier: str | None = None) -> None:
+ def _append_tool_log(self, script: str, result: str, source_tier: str | None = None, elapsed_ms: float = 0.0) -> None:
   self._tool_log.append({"script": script, "result": result, "ts": time.time(), "source_tier": source_tier})
+  tool_name = self._extract_tool_name(script)
+  is_failure = "REJECTED" in result or "Error" in result or "error" in result.lower()
+  if tool_name:
+   if tool_name not in self._tool_stats:
+    self._tool_stats[tool_name] = {"count": 0, "total_time_ms": 0.0, "failures": 0}
+   self._tool_stats[tool_name]["count"] += 1
+   self._tool_stats[tool_name]["total_time_ms"] += elapsed_ms
+   if is_failure:
+    self._tool_stats[tool_name]["failures"] += 1
   self.ui_last_script_text = script
   self.ui_last_script_output = result
   self._trigger_script_blink = True
@@ -1071,6 +1081,28 @@ class AppController:
   if self.ui_auto_scroll_tool_calls:
    self._scroll_tool_calls_to_bottom = True
 
+ def _extract_tool_name(self, script: str) -> str:
+  if not script:
+   return "unknown"
+  script_lower = script.lower()
+  if "powershell" in script_lower or "run_powershell" in script_lower:
+   return "run_powershell"
+  if "read_file" in script_lower:
+   return "read_file"
+  if "write_file" in script_lower or "write" in script_lower:
+   return "write_file"
+  if "list_directory" in script_lower or "ls" in script_lower:
+   return "list_directory"
+  if "search_files" in script_lower or "glob" in script_lower:
+   return "search_files"
+  if "web_search" in script_lower:
+   return "web_search"
+  if "fetch_url" in script_lower:
+   return "fetch_url"
+  if "py_get" in script_lower:
+   return "py_get_skeleton"
+  return "other"
+
  def resolve_pending_action(self, action_id: str, approved: bool) -> bool:
   with self._pending_dialog_lock:
    if action_id in self._pending_actions:
@@ -1160,6 +1192,7 @@ class AppController:
     "ai_status": self.ai_status,
     "mma_streams": self.mma_streams,
     "worker_status": self._worker_status,
+    "tool_stats": self._tool_stats,
     "active_tier": self.active_tier,
     "active_tickets": self.active_tickets,
     "proposed_tracks": self.proposed_tracks
@@ -1608,6 +1641,7 @@ class AppController:
   ai_client.reset_session()
   ai_client.clear_comms_log()
   self._tool_log.clear()
+  self._tool_stats.clear()
   self._comms_log.clear()
   self.disc_entries.clear()
   # Clear history in ALL discussions to be safe