Remove _ICON_SVG_MAP and _icon_to_svg. Use Gtk themed icons directly
via fabric Image widget with set_from_icon_name instead of loading
custom SVG files. Fixes crash when plugin icon SVG is missing.
- Update configuration.md with new section-based format
- Update architecture.md with new config key paths
- Update faqs_tips.md with new config key paths
- Update README.md to mention config sections
- Move all settings into [general], [dock], [panel], [switcher], [notification]
- Remove [desktop_widgets] section, move items to panel/general
- Add dot notation support to config service for nested keys
- Update all config references across codebase
- Replace three synced dicts with single WidgetInfo dataclass
- Add type hints, unregister(), is_registered(), keys(), widgets()
- Add DEFAULT_SIZE constant, duplicate-registration warning
- Extract _make_fade_animator() to remove duplicated animator setup
- Use public registry API in main.py instead of accessing _widgets
Add _dead set to _IntrospectionCache to track paths that timeout.
Failed introspections are skipped on future lookups, reducing
timeout blocks from 300-500ms to near-zero.
Extract _create_system_menu and _create_title_menu factories.
Use ModusDropdown and dropdown_option for system menu.
Convert _build_gtk_menu_from_children to show_all.
Add _make_click_handler method, remove dead _has_extracted_menu.
Use logger.exception for all error logging.
Replace layer-shell AppletWindow-based dropdown with Gtk.Menu approach.
Adds hide signal for button state reset, dropdown_option factory,
append/clear methods, and popup_at_widget/popup aliases.