Fix tags crash with preview hidden; Ctrl+B toggles the sidebar

Core.py

@@ -149,7 +149,7 @@ class SaraTagIntegrationConfig:
 @dataclass
 class AppConfig:
     """Persisted user settings. Defaults match SaraFem's existing behaviour
-    (nothing changes visually until the user opts in via Ctrl+B/P/H or edits
+    (nothing changes visually until the user opts in via Ctrl+B/P/H/T or edits
     Config.toml directly)."""
 
     Theme: str = "CatppuccinMocha"  # matches a file in ~/.config/SaraSuite/Themes/