feat: replace Excel export with PDF export for transmittals

- Add new TransmittalPDFExportJob to generate PDFs using dompdf
- Remove old Excel export implementation (TransmittalsExport)
- Update ExportCompleteJob to use new PDF job instead of Excel
- Add TestQueueJob for queue testing with new route
- Update notification label from "Download File" to "Download PDF File"
- Fix auth() helper usage by importing Auth facade consistently

routes/web.php

@@ -1,5 +1,6 @@
 <?php
 
+use App\Jobs\TestQueueJob;
 use App\Models\Transmittal;
 use Illuminate\Support\Facades\Route;
 
@@ -13,10 +14,16 @@ Route::view('profile', 'profile')
     ->middleware(['auth'])
     ->name('profile');
 
-Route::get('preview-transmittal', function () {
-    return view('transmittal.export.transmittal-export-table')->with(['transmittals' => Transmittal::withCount(['files', 'notes', 'remarks'])->with(['files' => function ($files) {
-        $files->withCount(['notes', 'remarks']);
-    }])->get()]);
+// Route::get('preview-transmittal', function () {
+//     return view('transmittal.export.transmittal-export-table')->with(['transmittals' => Transmittal::withCount(['files', 'notes', 'remarks'])->with(['files' => function ($files) {
+//         $files->withCount(['notes', 'remarks']);
+//     }])->get()]);
+// });
+
+Route::get('queue-test', function () {
+    TestQueueJob::dispatch();
+
+    return 'TestQueueJob dispatched';
 });
 
 require __DIR__.'/auth.php';