I'll implement this Arbeitsplaner (Work Planner) app for you. Let me first check the existing project structure and then create the app.

Now let me check the layout file and then create the Arbeitsplaner app:

Now I'll create the Arbeitsplaner app with proper components. Let me create the main page and component files:

I've implemented the Arbeitsplaner (Work Planner) app with several enhancements beyond the original static version:

1. Interactive Task Management - You can add new tasks via the "+ Neue Aufgabe" button, mark tasks as completed with the "Erledigt" button, and restore completed tasks
2. Status Colors - Tasks are color-coded by status: red for "Wichtig" (important), blue for "Geplant" (planned), and neutral for "Offen" (open)
3. Responsive Design - The layout adapts smoothly to mobile and desktop screens using Tailwind's responsive utilities
4. Lucide Icons - Replaced emoji icons with proper Lucide React icons for a cleaner, more professional look

I can see you've provided an updated version of the Arbeitsplaner app with a more comprehensive data model including fields like kunde, datum, zeit, erinnerung, prioritaet, pipeline, and a weekly calendar view. Let me update the current implementation to match this enhanced version:

I've updated the Arbeitsplaner app with the enhanced data model from your attachment. The app now includes a weekly calendar view where you can select different days to see their tasks, richer task data with customer name, time, reminder, priority, and pipeline stage, as well as an improved task creation form with fields for customer, time, and priority. Tasks are now organized by date and display more detailed information including the customer name and pipeline stage.