Add file deletion detection, WebKit improvements, and bug fixes

- Add FileExternallyDeletedEvent with UI indicator in tabs for deleted files
- Set minimum height (300px) for editors container
- Add Developer Tools to WebKit context menu
- Fix DnD URI handling when uris list is empty
- Fix buffer replacement using freeze_notify and proper bounds handling
- Move webkit_ui_settings to new path
- Remove <change_me> placeholders from APP_NAME and user config

src/libs/dto/code/__init__.py

@@ -6,6 +6,8 @@
 from .code_event import CodeEvent
 from .register_provider_event import RegisterProviderEvent
 from .register_command_event import RegisterCommandEvent
+from .file_externally_modified_event  import FileExternallyModifiedEvent
+from .file_externally_deleted_event  import FileExternallyDeletedEvent
 
 from .get_new_command_system_event import GetNewCommandSystemEvent
 from .request_completion_event import RequestCompletionEvent

src/libs/dto/code/file_externally_deleted_event.py

@@ -0,0 +1,13 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+from .code_event import CodeEvent
+
+
+
+@dataclass
+class FileExternallyDeletedEvent(CodeEvent):
+    ...

src/libs/dto/code/file_externally_modified_event.py

@@ -0,0 +1,13 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+from .code_event import CodeEvent
+
+
+
+@dataclass
+class FileExternallyModifiedEvent(CodeEvent):
+    ...

src/libs/settings/webkit/webkit_ui_settings.py

@@ -95,7 +95,7 @@ class WebkitUISettings(WebKit2.Settings):
         self.set_property('javascript-can-open-windows-automatically', False)
 
         # Debugging
-        self.set_property('enable-developer-extras', False)
+        self.set_property('enable-developer-extras', True)
         self.set_property('enable-write-console-messages-to-stdout', False)
         self.set_property('draw-compositing-indicators', False)
         self.set_property('enable-mock-capture-devices', False)