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

src/gui_2.py

@@ -333,6 +333,8 @@ class App:
       self._render_token_budget_panel()
      if imgui.collapsing_header("Cache Analytics"):
       self._render_cache_panel()
+     if imgui.collapsing_header("Tool Usage Analytics"):
+      self._render_tool_analytics_panel()
      if imgui.collapsing_header("System Prompts"):
       self._render_system_prompts_panel()
 
@@ -1484,6 +1486,44 @@ class App:
   if hasattr(self, '_cache_cleared_timestamp') and time.time() - self._cache_cleared_timestamp < 5:
    imgui.text_colored(imgui.ImVec4(0.2, 1.0, 0.2, 1.0), "Cache cleared - will rebuild on next request")
 
+ def _render_tool_analytics_panel(self) -> None:
+  if not imgui.collapsing_header("Tool Usage Analytics"):
+   return
+  tool_stats = getattr(self, '_worker_status', {})
+  if not tool_stats:
+   tool_stats = {}
+  if hasattr(self.controller, '_tool_stats'):
+   tool_stats = self.controller._tool_stats
+  if not tool_stats:
+   imgui.text_disabled("No tool usage data")
+   return
+  if imgui.begin_table("tool_stats", 4, imgui.TableFlags_.borders | imgui.TableFlags_.sortable):
+   imgui.table_setup_column("Tool")
+   imgui.table_setup_column("Count")
+   imgui.table_setup_column("Avg (ms)")
+   imgui.table_setup_column("Fail %")
+   imgui.table_headers_row()
+   sorted_tools = sorted(tool_stats.items(), key=lambda x: -x[1].get("count", 0))
+   for tool_name, stats in sorted_tools:
+    count = stats.get("count", 0)
+    total_time = stats.get("total_time_ms", 0)
+    failures = stats.get("failures", 0)
+    avg_time = total_time / count if count > 0 else 0
+    fail_pct = (failures / count * 100) if count > 0 else 0
+    imgui.table_next_row()
+    imgui.table_set_column_index(0)
+    imgui.text(tool_name)
+    imgui.table_set_column_index(1)
+    imgui.text(str(count))
+    imgui.table_set_column_index(2)
+    imgui.text(f"{avg_time:.0f}")
+    imgui.table_set_column_index(3)
+    if fail_pct > 0:
+     imgui.text_colored(imgui.ImVec4(1.0, 0.2, 0.2, 1.0), f"{fail_pct:.0f}%")
+    else:
+     imgui.text("0%")
+   imgui.end_table()
+
  def _render_message_panel(self) -> None:
  # LIVE indicator
   is_live = self.ai_status in ["running powershell...", "fetching url...", "searching web...", "powershell done, awaiting AI..."]