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.

app/lib/logger.server.ts

@@ -47,9 +47,21 @@ export async function log({
     : undefined;
 
   try {
+    // Validate that userId exists in the database if provided
+    let validatedUserId = userId;
+    if (userId) {
+      const userExists = await prisma.user.findUnique({
+        where: { id: userId },
+        select: { id: true },
+      });
+      if (!userExists) {
+        validatedUserId = null; // User doesn't exist, log as anonymous
+      }
+    }
+
     await prisma.auditLog.create({
       data: {
-        userId: userId ?? null,
+        userId: validatedUserId ?? null,
         action,
         entity: entity ?? null,
         entityId: entityId ?? null,