feat(cms): sync site assets, revalidate webhook, and document download naming

tests/Feature/Document/DocumentTest.php

@@ -239,4 +239,44 @@ class DocumentTest extends TestCase
         $document->refresh();
         $this->assertEquals(2, $document->version_count);
     }
+
+    /**
+     * Test public download returns UTF-8 compatible content disposition
+     */
+    public function test_public_document_download_uses_utf8_content_disposition(): void
+    {
+        $category = DocumentCategory::factory()->create();
+        $document = Document::factory()->create([
+            'created_by_user_id' => $this->admin->id,
+            'document_category_id' => $category->id,
+            'access_level' => 'public',
+            'status' => 'active',
+            'version_count' => 0,
+        ]);
+
+        $filePath = 'documents/charter-v2.pdf';
+        Storage::disk('private')->put($filePath, 'pdf-content');
+        Storage::put($filePath, 'pdf-content');
+
+        $document->addVersion(
+            filePath: $filePath,
+            originalFilename: '台灣尤塞氏症暨視聽弱協會章程V2.pdf',
+            mimeType: 'application/pdf',
+            fileSize: Storage::disk('private')->size($filePath),
+            uploadedBy: $this->admin,
+            versionNotes: '初始版本'
+        );
+
+        $response = $this->get(route('documents.public.download', [
+            'uuid' => $document->public_uuid,
+        ]));
+
+        $response->assertOk();
+
+        $disposition = (string) $response->headers->get('Content-Disposition');
+        $this->assertStringContainsString(
+            "filename*=UTF-8''".rawurlencode('台灣尤塞氏症暨視聽弱協會章程V2.pdf'),
+            $disposition
+        );
+    }
 }