Update documentation.

app/ui/ai_chat_panel.py

@@ -1,4 +1,4 @@
-"""APIClient - Agent — AI chat sidebar panel (persistent, context-aware)."""
+"""APIClient - Agent - AI chat sidebar panel (persistent, context-aware)."""
 import re
 
 from PyQt6.QtWidgets import (
@@ -124,7 +124,7 @@ class MessageBubble(QFrame):
         self._text_lbl.setText(self._full_text)
 
     def finalize(self):
-        """Called when streaming ends — strip apply blocks and render them."""
+        """Called when streaming ends - strip apply blocks and render them."""
         if self._finalized:
             return
         self._finalized = True