Auto-queue transcription on upload and clarify pending status.

Batch uploads were only storing files as pending without dispatching Whisper jobs; queue them immediately, add a bulk pending action, and show human-readable status labels.

routes/web.php

@@ -3,12 +3,15 @@
 use App\Http\Controllers\CancelTranscriptionController;
 use App\Http\Controllers\RecordingController;
 use App\Http\Controllers\TranscribeController;
+use App\Http\Controllers\TranscribePendingController;
 use App\Http\Controllers\TranscriptionStatusController;
 use Illuminate\Support\Facades\Route;
 
 Route::redirect('/', '/recordings');
 
 Route::resource('recordings', RecordingController::class)->except(['edit', 'update']);
+Route::post('recordings/transcribe-pending', TranscribePendingController::class)
+    ->name('recordings.transcribe-pending');
 Route::post('recordings/{recording}/transcribe', TranscribeController::class)->name('recordings.transcribe');
 Route::post('recordings/{recording}/transcribe/cancel', CancelTranscriptionController::class)
     ->name('recordings.transcribe.cancel');