feat: enhance platform dashboard UX and add security controls

- Move Add Company button to Companies card header for better context
- Add smart Save Changes button that only appears when data is modified
- Implement navigation protection with unsaved changes warnings
- Add company status checks to prevent suspended companies from processing data
- Fix platform dashboard showing incorrect user counts
- Add dark mode toggle to platform interface
- Add copy-to-clipboard for generated credentials
- Fix cookie conflicts between regular and platform auth
- Add invitedBy and invitedAt tracking fields to User model
- Improve overall platform management workflow and security

lib/importProcessor.ts

@@ -366,6 +366,9 @@ export async function processQueuedImports(
     const unprocessedImports = await prisma.sessionImport.findMany({
       where: {
         session: null, // No session created yet
+        company: {
+          status: "ACTIVE" // Only process imports from active companies
+        }
       },
       take: batchSize,
       orderBy: {