feat: add client-side validation utilities and debugging tools

- Implemented client-side validation functions for tax ID, VAT ID, IBAN, BIC, and website URL.
- Added debug logging functionality to assist in development.
- Created a comprehensive validation function for company form data.

feat: initialize database with Prisma migrations

- Added a server-side script to run Prisma migrations and check database health.
- Ensured safe initialization of the database to prevent concurrent migrations.

feat: comprehensive server-side error logging

- Developed an error logging system that captures detailed error context, including request details and stack traces.
- Implemented logging functions for different error types (route, action, database, API, startup).

fix: validate user ID existence in audit logs

- Updated the logging function to validate that the user ID exists in the database before logging actions.

fix: update schemas for optional fields and validation

- Modified schemas to allow for nullable fields and refined validation logic for tax ID, VAT ID, IBAN, and BIC.

feat: enhance error boundary for better debugging

- Improved error boundary to log detailed error information in development mode.
- Added a debug panel to the main application layout for real-time error tracking.

feat: implement company deletion functionality in admin routes

- Added a new API route for deleting companies with appropriate logging.
- Integrated delete confirmation in the admin interface for better user experience.

fix: handle API errors gracefully

- Wrapped API actions in try-catch blocks to log errors and return appropriate responses.

feat: generate and save invoice PDFs

- Implemented functionality to generate and save invoice PDFs upon status updates.
- Added a new column in the database for storing the URL of the generated PDF.

chore: update Docker image reference

- Changed the Docker image reference to point to the new Git repository.

chore: update package dependencies

- Added @radix-ui/react-tooltip for enhanced UI components.
- Updated package-lock.json to reflect new dependencies.

.playwright-mcp/console-2026-05-02T20-43-04-874Z.log

@@ -0,0 +1 @@
+[     421ms] [ERROR] Failed to load resource: the server responded with a status of 404 (Not Found) @ http://localhost:3000/favicon.ico:0

.playwright-mcp/page-2026-05-02T20-43-05-337Z.yml

@@ -0,0 +1,19 @@
+- generic [ref=e4]:
+  - generic [ref=e5]:
+    - img [ref=e7]
+    - generic [ref=e9]: Rechnungsmanager
+  - generic [ref=e10]:
+    - heading "Willkommen zurück" [level=1] [ref=e11]
+    - paragraph [ref=e12]: Benutzername oder E-Mail und Passwort eingeben
+  - generic [ref=e14]:
+    - generic [ref=e15]:
+      - text: Benutzername oder E-Mail
+      - textbox "Benutzername oder E-Mail" [ref=e16]:
+        - /placeholder: anna oder anna@example.de
+    - generic [ref=e17]:
+      - text: Passwort
+      - generic [ref=e18]:
+        - textbox "Passwort" [ref=e19]
+        - button "Passwort anzeigen" [ref=e20]:
+          - img [ref=e21]
+    - button "Anmelden" [ref=e24]