fix(conductor): Apply review suggestions for track 'event_driven_metrics_20260223'

events.py

@@ -1,14 +1,37 @@
+"""
+Decoupled event emission system for cross-module communication.
+"""
+from typing import Callable, Any, Dict, List
 
 class EventEmitter:
+    """
+    Simple event emitter for decoupled communication between modules.
+    """
     def __init__(self):
-        self._listeners = {}
+        """Initializes the EventEmitter with an empty listener map."""
+        self._listeners: Dict[str, List[Callable]] = {}
 
-    def on(self, event_name, callback):
+    def on(self, event_name: str, callback: Callable):
+        """
+        Registers a callback for a specific event.
+        
+        Args:
+            event_name: The name of the event to listen for.
+            callback: The function to call when the event is emitted.
+        """
         if event_name not in self._listeners:
             self._listeners[event_name] = []
         self._listeners[event_name].append(callback)
 
-    def emit(self, event_name, *args, **kwargs):
+    def emit(self, event_name: str, *args: Any, **kwargs: Any):
+        """
+        Emits an event, calling all registered callbacks.
+        
+        Args:
+            event_name: The name of the event to emit.
+            *args: Positional arguments to pass to callbacks.
+            **kwargs: Keyword arguments to pass to callbacks.
+        """
         if event_name in self._listeners:
             for callback in self._listeners[event_name]:
                 callback(*args, **kwargs)