fix(gui2): Correct Response panel rendering and fix automation crashes

gui_legacy.py

@@ -1127,6 +1127,10 @@ class App:
         """Rebuild the discussion selector UI: listbox + metadata for active discussion."""
         if not dpg.does_item_exist("disc_selector_group"):
             return
+        for tag in ["disc_listbox", "disc_new_name_input", "btn_disc_create", "btn_disc_rename", "btn_disc_delete"]:
+            if dpg.does_item_exist(tag):
+                try: dpg.delete_item(tag)
+                except: pass
         dpg.delete_item("disc_selector_group", children_only=True)
 
         names = self._get_discussion_names()
@@ -1378,6 +1382,15 @@ class App:
         ai_client.clear_comms_log()
         self._tool_log.clear()
         self._rebuild_tool_log()
+        self.disc_entries.clear()
+        self._rebuild_disc_list()
+        
+        # Clear history in project dict too
+        disc_sec = self.project.get("discussion", {})
+        discussions = disc_sec.get("discussions", {})
+        if self.active_discussion in discussions:
+            discussions[self.active_discussion]["history"] = []
+
         with self._pending_comms_lock:
             self._pending_comms.clear()
         self._comms_entry_count = 0