e017da9d12
Navigation: - Remove Plugins header from sidebar - Merge static items and plugin items into unified sorted list - Group related menu items (Dateien, E-Mail, Kalender, Automation) - German labels for all menu items - Sort by order field, alphabetical fallback for ties Drag-and-Drop Menu: - New backend endpoints: GET/PUT /api/v1/users/me/menu-order - Store menu order in user preferences JSONB field - New SettingsMenuOrder page with @dnd-kit drag-and-drop - New Settings tab: Menu ordering - Sidebar reads saved menu order and sorts accordingly - Reset to default option