Lots of little tweaks and fixes

.claude/docs/architecture.md

@@ -17,7 +17,7 @@ Never instantiate these — access only via the global handle.
 | `QUEST` | Quest management (stub) |
 | `CUTSCENE` | Cutscene global (stub) |
 | `DialogueManager` | godot_dialogue_manager v3.10.4 — parses and steps through `.dialogue` files |
-| `UI` | Root UI accessor — `UI.TEXTBOX`, `UI.DEBUG_MENU`, `UI.GAME_MENU` |
+| `UI` | Root UI accessor — `UI.PAUSE_MENU`, `UI.QUIT_DIALOG`, `UI.MAIN_MENU_DIALOG`, `UI.BACKDROP`, `UI.DEBUG_MENU`, `UI.GAME_MENU` |
 
 ## Scene Graph
 
@@ -25,7 +25,13 @@ Never instantiate these — access only via the global handle.
 RootScene (Node3D)
   └─ overworld / battle / cooking / initial   ← one shown at a time
 RootUI (Control, always visible)
-  └─ VNTextbox, DebugMenu, PauseMenu, GameMenu
+  ├─ DebugMenu
+  ├─ GameMenu
+  ├─ ChatBoxContainer (world-space dialogue textboxes)
+  ├─ ModalBackdrop    (repositions dynamically — see ui.md)
+  ├─ PauseMenu
+  ├─ QuitConfirmDialog
+  └─ MainMenuConfirmDialog
 ```
 
 `RootScene` listens to `SCENE.sceneChanged` and shows/hides the correct sub-tree.