Raise audio upload limit to 2 GB per file.

Update validation, dropzone checks, Docker PHP ini, and docs so multi-hour recordings can be uploaded.

tests/Feature/RecordingDuplicateUploadTest.php

@@ -99,4 +99,20 @@ class RecordingDuplicateUploadTest extends TestCase
         $this->assertSame(1, Recording::query()->count());
         Bus::assertNothingDispatched();
     }
+
+    public function test_stored_recording_persists_content_hash(): void
+    {
+        Storage::fake('local');
+        Bus::fake();
+
+        $file = UploadedFile::fake()->createWithContent('hash-me.mp3', 'payload-for-hash');
+
+        $this->post(route('recordings.store'), [
+            'audio' => [$file],
+        ])->assertRedirect();
+
+        $recording = Recording::query()->first();
+        $this->assertNotNull($recording);
+        $this->assertSame(hash('sha256', 'payload-for-hash'), $recording->content_hash);
+    }
 }

tests/Feature/RecordingUploadTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature;
 
+use App\Http\Requests\StoreRecordingRequest;
 use App\Jobs\TranscribeRecording;
 use App\Models\Recording;
 use App\Services\TranscriptionService;
@@ -87,9 +88,29 @@ class RecordingUploadTest extends TestCase
         $this->get(route('recordings.create'))
             ->assertOk()
             ->assertSee('Drop audio files here')
+            ->assertSee('max 2 GB each', false)
             ->assertSee('name="audio[]"', false);
     }
 
+    public function test_files_larger_than_two_gigabytes_are_rejected(): void
+    {
+        Storage::fake('local');
+        Bus::fake();
+
+        $file = UploadedFile::fake()
+            ->create('huge.mp3', 10, 'audio/mpeg')
+            ->size(StoreRecordingRequest::MAX_AUDIO_KILOBYTES + 1);
+
+        $this->from(route('recordings.create'))
+            ->post(route('recordings.store'), [
+                'audio' => [$file],
+            ])
+            ->assertSessionHasErrors(['audio.0']);
+
+        $this->assertSame(0, Recording::query()->count());
+        Bus::assertNothingDispatched();
+    }
+
     public function test_user_can_upload_wav_and_ogg(): void
     {
         Storage::fake('local');