diff --git a/.github/workflows/docker-e2e-tests.yml b/.github/workflows/docker-e2e-tests.yml
index 56d1e15..75ee175 100644
--- a/.github/workflows/docker-e2e-tests.yml
+++ b/.github/workflows/docker-e2e-tests.yml
@@ -132,15 +132,15 @@ jobs:
       - name: Run API health check
         run: |
           echo "🔍 Testing API endpoints..."
-          
+
           # Health check
           curl -f http://localhost:3000/healthcheck
           echo ""
-          
+
           # Check if main page loads
           curl -f -o /dev/null -w "%{http_code}" http://localhost:3000/
           echo ""
-          
+
           echo "✅ API health checks passed!"
 
   # ============================================
@@ -175,7 +175,7 @@ jobs:
       - name: Run E2E tests inside Docker container
         run: |
           echo "🧪 Running comprehensive E2E tests inside Docker..."
-          
+
           docker run --rm \
             --name convertx-e2e-test \
             -v "${{ github.workspace }}/tests:/app/tests" \
@@ -269,7 +269,7 @@ jobs:
           DEEPL_API_KEY: ${{ secrets.DEEPL_API_KEY }}
         run: |
           echo "🌍 Running translation tests..."
-          
+
           docker run --rm \
             --name convertx-translation-test \
             -v "${{ github.workspace }}/tests:/app/tests" \
@@ -320,7 +320,7 @@ jobs:
           script: |
             const tag = `test-${{ github.sha }}`;
             console.log(`🗑️ Attempting to delete test image with tag: ${tag}`);
-            
+
             // Note: This requires ghcr.io API access which may need additional setup
             // For now, images will be cleaned up by retention policies
             console.log('Test images will be cleaned up by retention policies');
@@ -353,12 +353,12 @@ jobs:
           echo "| E2E Tests | ${{ needs.e2e-tests.result }} |" >> $GITHUB_STEP_SUMMARY
           echo "| Comprehensive E2E | ${{ needs.comprehensive-e2e.result }} |" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
-          
+
           if [ -f "test-results/format-matrix/matrix-summary.md" ]; then
             echo "## Format Matrix Summary" >> $GITHUB_STEP_SUMMARY
             cat test-results/format-matrix/matrix-summary.md >> $GITHUB_STEP_SUMMARY
           fi
-          
+
           if [ -f "test-results/comprehensive/conversion-matrix.json" ]; then
             echo "" >> $GITHUB_STEP_SUMMARY
             echo "## Conversion Matrix" >> $GITHUB_STEP_SUMMARY
@@ -366,6 +366,6 @@ jobs:
             head -50 test-results/comprehensive/conversion-matrix.json >> $GITHUB_STEP_SUMMARY
             echo '```' >> $GITHUB_STEP_SUMMARY
           fi
-          
+
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "📅 Test run completed at: $(date -u)" >> $GITHUB_STEP_SUMMARY
diff --git a/.github/workflows/run-bun-test.yml b/.github/workflows/run-bun-test.yml
index f75d769..74582cb 100644
--- a/.github/workflows/run-bun-test.yml
+++ b/.github/workflows/run-bun-test.yml
@@ -51,4 +51,3 @@ jobs:
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "Basic tests completed. For comprehensive E2E tests with all converters," >> $GITHUB_STEP_SUMMARY
           echo "see the [Docker E2E Tests](${{ github.server_url }}/${{ github.repository }}/actions/workflows/docker-e2e-tests.yml) workflow." >> $GITHUB_STEP_SUMMARY
-
diff --git a/src/converters/pdfmathtranslate.ts b/src/converters/pdfmathtranslate.ts
index 168e837..2a05b49 100644
--- a/src/converters/pdfmathtranslate.ts
+++ b/src/converters/pdfmathtranslate.ts
@@ -120,7 +120,7 @@ function checkModelsExist(): boolean {
     console.warn(`[PDFMathTranslate] Models should be pre-downloaded during Docker build.`);
     return false;
   }
-  
+
   // 檢查特定的 ONNX 模型檔案
   const onnxModelPath = join(MODELS_PATH, "doclayout_yolo_docstructbench_imgsz1024.onnx");
   if (!existsSync(onnxModelPath)) {
@@ -128,7 +128,7 @@ function checkModelsExist(): boolean {
     console.warn(`[PDFMathTranslate] Model should be pre-downloaded during Docker build.`);
     return false;
   }
-  
+
   return true;
 }
 
diff --git a/tests/e2e/comprehensive.e2e.test.ts b/tests/e2e/comprehensive.e2e.test.ts
index 24410e5..c5e131e 100644
--- a/tests/e2e/comprehensive.e2e.test.ts
+++ b/tests/e2e/comprehensive.e2e.test.ts
@@ -15,8 +15,8 @@
  */
 
 import { describe, test, expect, beforeAll, afterAll } from "bun:test";
-import { existsSync, statSync, mkdirSync, writeFileSync, readdirSync } from "node:fs";
-import { join, basename } from "node:path";
+import { existsSync, statSync, mkdirSync, writeFileSync } from "node:fs";
+import { join } from "node:path";
 import { spawnSync } from "node:child_process";
 
 // =============================================================================
@@ -28,9 +28,9 @@ const E2E_FIXTURES_DIR = "tests/e2e/fixtures";
 
 // 測試超時（毫秒）
 const TIMEOUT = {
-  fast: 30_000,      // 快速轉換
-  medium: 60_000,    // 中等複雜度
-  slow: 180_000,     // 複雜轉換
+  fast: 30_000, // 快速轉換
+  medium: 60_000, // 中等複雜度
+  slow: 180_000, // 複雜轉換
   translation: 300_000, // 翻譯（需網路）
 };
 
@@ -97,25 +97,24 @@ function ensureDir(dir: string): void {
 }
 
 function createTestSvg(path: string): void {
-  writeFileSync(path, `<?xml version="1.0" encoding="UTF-8"?>
+  writeFileSync(
+    path,
+    `<?xml version="1.0" encoding="UTF-8"?>
 <svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200">
   <rect x="10" y="10" width="180" height="180" fill="#4285f4" rx="20"/>
   <circle cx="100" cy="100" r="50" fill="#ffffff"/>
   <text x="100" y="110" text-anchor="middle" font-size="24" fill="#333">測試</text>
-</svg>`);
+</svg>`,
+  );
 }
 
 function createTestPng(path: string): void {
   // 最小有效 PNG (1x1 紅色像素)
   const png = Buffer.from([
-    0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a,
-    0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52,
-    0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
-    0x08, 0x02, 0x00, 0x00, 0x00, 0x90, 0x77, 0x53,
-    0xde, 0x00, 0x00, 0x00, 0x0c, 0x49, 0x44, 0x41,
-    0x54, 0x08, 0xd7, 0x63, 0xf8, 0xcf, 0xc0, 0x00,
-    0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x05, 0xfe,
-    0xd4, 0xef, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45,
+    0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52,
+    0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x08, 0x02, 0x00, 0x00, 0x00, 0x90, 0x77, 0x53,
+    0xde, 0x00, 0x00, 0x00, 0x0c, 0x49, 0x44, 0x41, 0x54, 0x08, 0xd7, 0x63, 0xf8, 0xcf, 0xc0, 0x00,
+    0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x05, 0xfe, 0xd4, 0xef, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45,
     0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
   ]);
   writeFileSync(path, png);
@@ -142,7 +141,9 @@ function createTestBmp(path: string): void {
 }
 
 function createTestMarkdown(path: string): void {
-  writeFileSync(path, `# 測試文件 Test Document
+  writeFileSync(
+    path,
+    `# 測試文件 Test Document
 
 這是一個**多語言**測試文件。
 
@@ -173,23 +174,33 @@ This is an English paragraph for testing.
 \`\`\`javascript
 console.log("Hello, 世界!");
 \`\`\`
-`);
+`,
+  );
 }
 
 function createTestJson(path: string): void {
-  writeFileSync(path, JSON.stringify({
-    name: "測試",
-    version: "1.0.0",
-    languages: ["zh-TW", "zh-CN", "en", "ja", "ko"],
-    config: {
-      enabled: true,
-      count: 42,
-    },
-  }, null, 2));
+  writeFileSync(
+    path,
+    JSON.stringify(
+      {
+        name: "測試",
+        version: "1.0.0",
+        languages: ["zh-TW", "zh-CN", "en", "ja", "ko"],
+        config: {
+          enabled: true,
+          count: 42,
+        },
+      },
+      null,
+      2,
+    ),
+  );
 }
 
 function createTestHtml(path: string): void {
-  writeFileSync(path, `<!DOCTYPE html>
+  writeFileSync(
+    path,
+    `<!DOCTYPE html>
 <html lang="zh-TW">
 <head>
   <meta charset="UTF-8">
@@ -203,11 +214,14 @@ function createTestHtml(path: string): void {
     <li>項目二</li>
   </ul>
 </body>
-</html>`);
+</html>`,
+  );
 }
 
 function createTestTxt(path: string): void {
-  writeFileSync(path, `測試文字檔案 Test Text File
+  writeFileSync(
+    path,
+    `測試文字檔案 Test Text File
 
 這是一個純文字測試檔案。
 This is a plain text test file.
@@ -220,16 +234,20 @@ This is a plain text test file.
 - 한국어
 - Deutsch
 - Français
-`);
+`,
+  );
 }
 
 function createTestCsv(path: string): void {
-  writeFileSync(path, `name,value,description
+  writeFileSync(
+    path,
+    `name,value,description
 測試1,100,這是第一項
 測試2,200,這是第二項
 test3,300,This is the third item
 テスト4,400,これは4番目の項目です
-`);
+`,
+  );
 }
 
 // =============================================================================
@@ -250,7 +268,6 @@ async function runConversion(
   converter: string,
   inputPath: string,
   outputPath: string,
-  timeout = TIMEOUT.medium,
 ): Promise<ConversionResult> {
   const startTime = Date.now();
   const inputSize = existsSync(inputPath) ? statSync(inputPath).size : 0;
@@ -315,7 +332,9 @@ function printSummary(): void {
   console.log(`✅ 通過 Passed: ${stats.passed}`);
   console.log(`❌ 失敗 Failed: ${stats.failed}`);
   console.log(`⏭ 跳過 Skipped: ${stats.skipped}`);
-  console.log(`成功率 Success Rate: ${((stats.passed / (stats.total - stats.skipped)) * 100).toFixed(1)}%`);
+  console.log(
+    `成功率 Success Rate: ${((stats.passed / (stats.total - stats.skipped)) * 100).toFixed(1)}%`,
+  );
   console.log("=".repeat(60));
 }
 
@@ -323,18 +342,20 @@ function printSummary(): void {
 // 測試套件
 // =============================================================================
 
-let availableTools: Record<string, boolean> = {};
+const availableTools: Record<string, boolean> = {};
 
 beforeAll(() => {
   console.log("\n🔧 檢測可用工具 Detecting available tools...\n");
-  
+
   for (const [name, check] of Object.entries(TOOLS)) {
     const status = check();
     availableTools[name] = status.available;
     const icon = status.available ? "✅" : "❌";
-    console.log(`  ${icon} ${name}: ${status.available ? status.version || "available" : "not found"}`);
+    console.log(
+      `  ${icon} ${name}: ${status.available ? status.version || "available" : "not found"}`,
+    );
   }
-  
+
   console.log("\n");
   ensureDir(E2E_OUTPUT_DIR);
 });
@@ -365,29 +386,35 @@ describe("🖼️ 圖像格式轉換 Image Conversions", () => {
     });
 
     for (const format of formats) {
-      test(`SVG → ${format.toUpperCase()}`, async () => {
-        if (!availableTools.inkscape || !availableTools.xvfbRun) {
-          stats.skipped++;
+      test(
+        `SVG → ${format.toUpperCase()}`,
+        async () => {
+          if (!availableTools.inkscape || !availableTools.xvfbRun) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: xvfb-run or inkscape not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: xvfb-run or inkscape not available`);
-          return;
-        }
+          const outputPath = join(outputDir, `inkscape_output.${format}`);
+          const result = await runConversion("inkscape", inputPath, outputPath);
+          stats.results.push(result);
 
-        stats.total++;
-        const outputPath = join(outputDir, `inkscape_output.${format}`);
-        const result = await runConversion("inkscape", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ SVG → ${format.toUpperCase()}: ${result.outputSize} bytes (${result.duration}ms)`,
+            );
+          } else {
+            stats.failed++;
+            console.log(`  ✗ SVG → ${format.toUpperCase()}: ${result.error}`);
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ SVG → ${format.toUpperCase()}: ${result.outputSize} bytes (${result.duration}ms)`);
-        } else {
-          stats.failed++;
-          console.log(`  ✗ SVG → ${format.toUpperCase()}: ${result.error}`);
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.medium);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.medium,
+      );
     }
   });
 
@@ -403,33 +430,39 @@ describe("🖼️ 圖像格式轉換 Image Conversions", () => {
     ];
 
     for (const [from, to] of conversions) {
-      test(`${from.toUpperCase()} → ${to.toUpperCase()}`, async () => {
-        if (!availableTools.imagemagick) {
-          stats.skipped++;
+      test(
+        `${from.toUpperCase()} → ${to.toUpperCase()}`,
+        async () => {
+          if (!availableTools.imagemagick) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: ImageMagick not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: ImageMagick not available`);
-          return;
-        }
+          const inputPath = join(outputDir, `imagemagick_input.${from}`);
+          const outputPath = join(outputDir, `imagemagick_${from}_to_${to}.${to}`);
 
-        stats.total++;
-        const inputPath = join(outputDir, `imagemagick_input.${from}`);
-        const outputPath = join(outputDir, `imagemagick_${from}_to_${to}.${to}`);
+          if (from === "png") createTestPng(inputPath);
+          else if (from === "bmp") createTestBmp(inputPath);
 
-        if (from === "png") createTestPng(inputPath);
-        else if (from === "bmp") createTestBmp(inputPath);
+          const result = await runConversion("imagemagick", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("imagemagick", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`,
+            );
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.fast);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.fast,
+      );
     }
   });
 
@@ -438,31 +471,35 @@ describe("🖼️ 圖像格式轉換 Image Conversions", () => {
     const formats = ["svg", "eps", "pdf"];
 
     for (const format of formats) {
-      test(`BMP → ${format.toUpperCase()}`, async () => {
-        if (!availableTools.potrace) {
-          stats.skipped++;
+      test(
+        `BMP → ${format.toUpperCase()}`,
+        async () => {
+          if (!availableTools.potrace) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: Potrace not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: Potrace not available`);
-          return;
-        }
+          const inputPath = join(outputDir, "potrace_input.bmp");
+          const outputPath = join(outputDir, `potrace_output.${format}`);
+          createTestBmp(inputPath);
 
-        stats.total++;
-        const inputPath = join(outputDir, "potrace_input.bmp");
-        const outputPath = join(outputDir, `potrace_output.${format}`);
-        createTestBmp(inputPath);
+          const result = await runConversion("potrace", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("potrace", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(`  ✓ BMP → ${format.toUpperCase()}: ${result.outputSize} bytes`);
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ BMP → ${format.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.fast);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.fast,
+      );
     }
   });
 });
@@ -488,28 +525,32 @@ describe("📄 文件格式轉換 Document Conversions", () => {
     });
 
     for (const format of formats) {
-      test(`Markdown → ${format.toUpperCase()}`, async () => {
-        if (!availableTools.pandoc) {
-          stats.skipped++;
+      test(
+        `Markdown → ${format.toUpperCase()}`,
+        async () => {
+          if (!availableTools.pandoc) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: Pandoc not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: Pandoc not available`);
-          return;
-        }
+          const outputPath = join(outputDir, `pandoc_output.${format}`);
+          const result = await runConversion("pandoc", inputPath, outputPath);
+          stats.results.push(result);
 
-        stats.total++;
-        const outputPath = join(outputDir, `pandoc_output.${format}`);
-        const result = await runConversion("pandoc", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(`  ✓ Markdown → ${format.toUpperCase()}: ${result.outputSize} bytes`);
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ Markdown → ${format.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.medium);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.medium,
+      );
     }
   });
 
@@ -522,33 +563,39 @@ describe("📄 文件格式轉換 Document Conversions", () => {
     ];
 
     for (const [from, to] of conversions) {
-      test(`${from.toUpperCase()} → ${to.toUpperCase()}`, async () => {
-        if (!availableTools.libreoffice) {
-          stats.skipped++;
+      test(
+        `${from.toUpperCase()} → ${to.toUpperCase()}`,
+        async () => {
+          if (!availableTools.libreoffice) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: LibreOffice not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: LibreOffice not available`);
-          return;
-        }
+          const inputPath = join(outputDir, `libreoffice_input.${from}`);
+          const outputPath = join(outputDir, `libreoffice_${from}_to_${to}.${to}`);
 
-        stats.total++;
-        const inputPath = join(outputDir, `libreoffice_input.${from}`);
-        const outputPath = join(outputDir, `libreoffice_${from}_to_${to}.${to}`);
+          if (from === "html") createTestHtml(inputPath);
+          else if (from === "txt") createTestTxt(inputPath);
 
-        if (from === "html") createTestHtml(inputPath);
-        else if (from === "txt") createTestTxt(inputPath);
+          const result = await runConversion("libreoffice", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("libreoffice", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`,
+            );
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.slow);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.slow,
+      );
     }
   });
 });
@@ -575,37 +622,43 @@ describe("📊 資料格式轉換 Data Format Conversions", () => {
     ];
 
     for (const [from, to] of conversions) {
-      test(`${from.toUpperCase()} → ${to.toUpperCase()}`, async () => {
-        if (!availableTools.dasel) {
-          stats.skipped++;
+      test(
+        `${from.toUpperCase()} → ${to.toUpperCase()}`,
+        async () => {
+          if (!availableTools.dasel) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: Dasel not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: Dasel not available`);
-          return;
-        }
+          const inputPath = join(outputDir, `dasel_input.${from}`);
+          const outputPath = join(outputDir, `dasel_${from}_to_${to}.${to}`);
 
-        stats.total++;
-        const inputPath = join(outputDir, `dasel_input.${from}`);
-        const outputPath = join(outputDir, `dasel_${from}_to_${to}.${to}`);
+          if (from === "json") createTestJson(inputPath);
+          else if (from === "yaml") {
+            writeFileSync(inputPath, "name: test\nvalue: 42\n");
+          } else if (from === "csv") {
+            createTestCsv(inputPath);
+          }
 
-        if (from === "json") createTestJson(inputPath);
-        else if (from === "yaml") {
-          writeFileSync(inputPath, "name: test\nvalue: 42\n");
-        } else if (from === "csv") {
-          createTestCsv(inputPath);
-        }
+          const result = await runConversion("dasel", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("dasel", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`,
+            );
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.fast);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.fast,
+      );
     }
   });
 });
@@ -636,75 +689,87 @@ describe("🌍 多語言翻譯 Multilingual Translation", () => {
   // PDFMathTranslate 測試
   describe("PDFMathTranslate (PDF 翻譯)", () => {
     // 注意：這些測試需要網路連接和 PDF 測試檔案
-    
-    for (const lang of LANGUAGES.slice(0, 4)) { // 只測試前 4 種語言
-      test.skip(`PDF → ${lang.name} (${lang.code})`, async () => {
-        if (!availableTools.pdf2zh) {
-          stats.skipped++;
+
+    for (const lang of LANGUAGES.slice(0, 4)) {
+      // 只測試前 4 種語言
+      test.skip(
+        `PDF → ${lang.name} (${lang.code})`,
+        async () => {
+          if (!availableTools.pdf2zh) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: pdf2zh not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: pdf2zh not available`);
-          return;
-        }
+          // 這裡需要一個真實的 PDF 測試檔案
+          const inputPath = join(E2E_FIXTURES_DIR, "sample.pdf");
+          const outputPath = join(outputDir, `translated_${lang.code}.tar`);
 
-        stats.total++;
-        // 這裡需要一個真實的 PDF 測試檔案
-        const inputPath = join(E2E_FIXTURES_DIR, "sample.pdf");
-        const outputPath = join(outputDir, `translated_${lang.code}.tar`);
+          if (!existsSync(inputPath)) {
+            stats.skipped++;
+            console.log(`⏭ Skipping: sample.pdf not found in fixtures`);
+            return;
+          }
 
-        if (!existsSync(inputPath)) {
-          stats.skipped++;
-          console.log(`⏭ Skipping: sample.pdf not found in fixtures`);
-          return;
-        }
+          const result = await runConversion("pdfmathtranslate", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("pdfmathtranslate", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ PDF → ${lang.name}: ${result.outputSize} bytes (${result.duration}ms)`,
+            );
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ PDF → ${lang.name}: ${result.outputSize} bytes (${result.duration}ms)`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.translation);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.translation,
+      );
     }
   });
 
   // BabelDOC 測試
   describe("BabelDOC (進階 PDF 翻譯)", () => {
-    for (const lang of LANGUAGES.slice(0, 2)) { // 只測試中英
-      test.skip(`PDF → ${lang.name} (babeldoc)`, async () => {
-        if (!availableTools.babeldoc) {
-          stats.skipped++;
+    for (const lang of LANGUAGES.slice(0, 2)) {
+      // 只測試中英
+      test.skip(
+        `PDF → ${lang.name} (babeldoc)`,
+        async () => {
+          if (!availableTools.babeldoc) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: babeldoc not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: babeldoc not available`);
-          return;
-        }
+          const inputPath = join(E2E_FIXTURES_DIR, "sample.pdf");
+          const outputPath = join(outputDir, `babeldoc_${lang.code}.tar`);
 
-        stats.total++;
-        const inputPath = join(E2E_FIXTURES_DIR, "sample.pdf");
-        const outputPath = join(outputDir, `babeldoc_${lang.code}.tar`);
+          if (!existsSync(inputPath)) {
+            stats.skipped++;
+            console.log(`⏭ Skipping: sample.pdf not found in fixtures`);
+            return;
+          }
 
-        if (!existsSync(inputPath)) {
-          stats.skipped++;
-          console.log(`⏭ Skipping: sample.pdf not found in fixtures`);
-          return;
-        }
+          const result = await runConversion("babeldoc", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("babeldoc", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(`  ✓ PDF → ${lang.name} (babeldoc): ${result.outputSize} bytes`);
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ PDF → ${lang.name} (babeldoc): ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.translation);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.translation,
+      );
     }
   });
 });
@@ -731,33 +796,39 @@ describe("📚 電子書格式轉換 Ebook Conversions", () => {
     ];
 
     for (const [from, to] of conversions) {
-      test(`${from.toUpperCase()} → ${to.toUpperCase()}`, async () => {
-        if (!availableTools.calibre || !availableTools.xvfbRun) {
-          stats.skipped++;
+      test(
+        `${from.toUpperCase()} → ${to.toUpperCase()}`,
+        async () => {
+          if (!availableTools.calibre || !availableTools.xvfbRun) {
+            stats.skipped++;
+            stats.total++;
+            console.log(`⏭ Skipping: Calibre or xvfb-run not available`);
+            return;
+          }
+
           stats.total++;
-          console.log(`⏭ Skipping: Calibre or xvfb-run not available`);
-          return;
-        }
+          const inputPath = join(outputDir, `calibre_input.${from}`);
+          const outputPath = join(outputDir, `calibre_${from}_to_${to}.${to}`);
 
-        stats.total++;
-        const inputPath = join(outputDir, `calibre_input.${from}`);
-        const outputPath = join(outputDir, `calibre_${from}_to_${to}.${to}`);
+          if (from === "html") createTestHtml(inputPath);
+          else if (from === "txt") createTestTxt(inputPath);
 
-        if (from === "html") createTestHtml(inputPath);
-        else if (from === "txt") createTestTxt(inputPath);
+          const result = await runConversion("calibre", inputPath, outputPath);
+          stats.results.push(result);
 
-        const result = await runConversion("calibre", inputPath, outputPath);
-        stats.results.push(result);
+          if (result.success) {
+            stats.passed++;
+            console.log(
+              `  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`,
+            );
+          } else {
+            stats.failed++;
+          }
 
-        if (result.success) {
-          stats.passed++;
-          console.log(`  ✓ ${from.toUpperCase()} → ${to.toUpperCase()}: ${result.outputSize} bytes`);
-        } else {
-          stats.failed++;
-        }
-
-        expect(result.success).toBe(true);
-      }, TIMEOUT.slow);
+          expect(result.success).toBe(true);
+        },
+        TIMEOUT.slow,
+      );
     }
   });
 });
@@ -777,29 +848,33 @@ describe("🎬 音視頻格式轉換 Media Conversions", () => {
   describe("FFmpeg (音視頻格式)", () => {
     // 注意：這些測試需要實際的音視頻測試檔案
 
-    test.skip("MP3 → WAV", async () => {
-      if (!availableTools.ffmpeg) {
-        stats.skipped++;
+    test.skip(
+      "MP3 → WAV",
+      async () => {
+        if (!availableTools.ffmpeg) {
+          stats.skipped++;
+          stats.total++;
+          console.log(`⏭ Skipping: FFmpeg not available`);
+          return;
+        }
+
         stats.total++;
-        console.log(`⏭ Skipping: FFmpeg not available`);
-        return;
-      }
+        const inputPath = join(E2E_FIXTURES_DIR, "sample.mp3");
+        const outputPath = join(outputDir, "ffmpeg_output.wav");
 
-      stats.total++;
-      const inputPath = join(E2E_FIXTURES_DIR, "sample.mp3");
-      const outputPath = join(outputDir, "ffmpeg_output.wav");
+        if (!existsSync(inputPath)) {
+          stats.skipped++;
+          console.log(`⏭ Skipping: sample.mp3 not found`);
+          return;
+        }
 
-      if (!existsSync(inputPath)) {
-        stats.skipped++;
-        console.log(`⏭ Skipping: sample.mp3 not found`);
-        return;
-      }
+        const result = await runConversion("ffmpeg", inputPath, outputPath);
+        stats.results.push(result);
 
-      const result = await runConversion("ffmpeg", inputPath, outputPath);
-      stats.results.push(result);
-
-      expect(result.success).toBe(true);
-    }, TIMEOUT.medium);
+        expect(result.success).toBe(true);
+      },
+      TIMEOUT.medium,
+    );
   });
 });
 
@@ -812,11 +887,18 @@ describe("🔢 格式轉換矩陣 Conversion Matrix", () => {
    * 這個測試會生成一個轉換矩陣報告
    * 顯示所有支援的格式轉換組合
    */
-  
+
   test("生成格式轉換矩陣報告", async () => {
     const converters = [
-      "inkscape", "imagemagick", "graphicsmagick", "pandoc",
-      "dasel", "potrace", "vtracer", "libreoffice", "calibre",
+      "inkscape",
+      "imagemagick",
+      "graphicsmagick",
+      "pandoc",
+      "dasel",
+      "potrace",
+      "vtracer",
+      "libreoffice",
+      "calibre",
     ];
 
     const matrix: Record<string, { from: string[]; to: string[] }> = {};
@@ -862,8 +944,12 @@ describe("🔢 格式轉換矩陣 Conversion Matrix", () => {
       totalCombinations += combinations;
 
       console.log(`${converter}:`);
-      console.log(`  輸入格式: ${formats.from.length} (${formats.from.slice(0, 5).join(", ")}${formats.from.length > 5 ? "..." : ""})`);
-      console.log(`  輸出格式: ${formats.to.length} (${formats.to.slice(0, 5).join(", ")}${formats.to.length > 5 ? "..." : ""})`);
+      console.log(
+        `  輸入格式: ${formats.from.length} (${formats.from.slice(0, 5).join(", ")}${formats.from.length > 5 ? "..." : ""})`,
+      );
+      console.log(
+        `  輸出格式: ${formats.to.length} (${formats.to.slice(0, 5).join(", ")}${formats.to.length > 5 ? "..." : ""})`,
+      );
       console.log(`  組合數: ${combinations}`);
       console.log();
     }
@@ -944,35 +1030,40 @@ describe("⚠️ 邊界條件測試 Edge Cases", () => {
     expect(result.success).toBe(true);
   });
 
-  test("超長內容處理", async () => {
-    if (!availableTools.pandoc) {
-      stats.skipped++;
+  test(
+    "超長內容處理",
+    async () => {
+      if (!availableTools.pandoc) {
+        stats.skipped++;
+        stats.total++;
+        return;
+      }
+
       stats.total++;
-      return;
-    }
+      const inputPath = join(outputDir, "long_content.markdown");
+      const outputPath = join(outputDir, "long_output.html");
 
-    stats.total++;
-    const inputPath = join(outputDir, "long_content.markdown");
-    const outputPath = join(outputDir, "long_output.html");
+      // 生成 10000 行的文件
+      const lines = Array.from(
+        { length: 10000 },
+        (_, i) => `第 ${i + 1} 行：這是測試內容 Line ${i + 1}: This is test content`,
+      ).join("\n");
+      writeFileSync(inputPath, `# 長文件測試\n\n${lines}`);
 
-    // 生成 10000 行的文件
-    const lines = Array.from({ length: 10000 }, (_, i) => 
-      `第 ${i + 1} 行：這是測試內容 Line ${i + 1}: This is test content`
-    ).join("\n");
-    writeFileSync(inputPath, `# 長文件測試\n\n${lines}`);
+      const result = await runConversion("pandoc", inputPath, outputPath);
+      stats.results.push(result);
 
-    const result = await runConversion("pandoc", inputPath, outputPath);
-    stats.results.push(result);
+      if (result.success) {
+        stats.passed++;
+        console.log(`  ✓ 超長內容處理成功: ${result.outputSize} bytes`);
+      } else {
+        stats.failed++;
+      }
 
-    if (result.success) {
-      stats.passed++;
-      console.log(`  ✓ 超長內容處理成功: ${result.outputSize} bytes`);
-    } else {
-      stats.failed++;
-    }
-
-    expect(result.success).toBe(true);
-  }, TIMEOUT.slow);
+      expect(result.success).toBe(true);
+    },
+    TIMEOUT.slow,
+  );
 
   test("特殊字元處理", async () => {
     if (!availableTools.pandoc) {
@@ -985,7 +1076,9 @@ describe("⚠️ 邊界條件測試 Edge Cases", () => {
     const inputPath = join(outputDir, "special_chars.markdown");
     const outputPath = join(outputDir, "special_output.html");
 
-    writeFileSync(inputPath, `# 特殊字元測試
+    writeFileSync(
+      inputPath,
+      `# 特殊字元測試
 
 &amp; &lt; &gt; " ' \` ~ ! @ # $ % ^ & * ( ) - = + [ ] { } | \\ : ; < > ? , . /
 
@@ -996,7 +1089,8 @@ describe("⚠️ 邊界條件測試 Edge Cases", () => {
 CJK 擴展：㊀ ㊁ ㊂ ㊃ ㊄
 
 全形標點：「」『』【】〈〉《》
-`);
+`,
+    );
 
     const result = await runConversion("pandoc", inputPath, outputPath);
     stats.results.push(result);
diff --git a/tests/e2e/format-matrix.e2e.test.ts b/tests/e2e/format-matrix.e2e.test.ts
index da6c6dd..72c3b7a 100644
--- a/tests/e2e/format-matrix.e2e.test.ts
+++ b/tests/e2e/format-matrix.e2e.test.ts
@@ -1,20 +1,20 @@
 /**
  * 格式轉換矩陣測試
- * 
+ *
  * 測試目標：驗證 1000+ 種格式轉換組合
- * 
+ *
  * 這個測試會：
  * 1. 自動發現所有轉換器支援的格式
  * 2. 生成所有可能的轉換組合
  * 3. 執行抽樣測試（避免耗時過長）
  * 4. 生成詳細的測試報告
- * 
+ *
  * 執行方式：
  *   bun test tests/e2e/format-matrix.e2e.test.ts
  */
 
 import { describe, test, expect, beforeAll, afterAll } from "bun:test";
-import { existsSync, mkdirSync, writeFileSync, readFileSync } from "node:fs";
+import { existsSync, mkdirSync, writeFileSync } from "node:fs";
 import { join } from "node:path";
 import { spawnSync } from "node:child_process";
 
@@ -25,9 +25,6 @@ import { spawnSync } from "node:child_process";
 const E2E_OUTPUT_DIR = "tests/e2e/output/format-matrix";
 const TIMEOUT = 60_000; // 60 秒超時
 
-// 抽樣比例（0.1 = 10%，避免測試過長）
-const SAMPLING_RATE = 0.05;
-
 // 每個轉換器最大測試數
 const MAX_TESTS_PER_CONVERTER = 20;
 
@@ -118,18 +115,14 @@ function createTestContent(format: string): Buffer | string {
 
     case "png":
       return Buffer.from([
-        0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a,
-        0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52,
-        0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
-        0x08, 0x02, 0x00, 0x00, 0x00, 0x90, 0x77, 0x53,
-        0xde, 0x00, 0x00, 0x00, 0x0c, 0x49, 0x44, 0x41,
-        0x54, 0x08, 0xd7, 0x63, 0xf8, 0xcf, 0xc0, 0x00,
-        0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x05, 0xfe,
-        0xd4, 0xef, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45,
-        0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
+        0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44,
+        0x52, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x08, 0x02, 0x00, 0x00, 0x00, 0x90,
+        0x77, 0x53, 0xde, 0x00, 0x00, 0x00, 0x0c, 0x49, 0x44, 0x41, 0x54, 0x08, 0xd7, 0x63, 0xf8,
+        0xcf, 0xc0, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x05, 0xfe, 0xd4, 0xef, 0x00, 0x00,
+        0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
       ]);
 
-    case "bmp":
+    case "bmp": {
       const bmp = Buffer.alloc(70);
       bmp.write("BM", 0);
       bmp.writeUInt32LE(70, 2);
@@ -143,6 +136,7 @@ function createTestContent(format: string): Buffer | string {
       bmp[55] = 0x00;
       bmp[56] = 0x00;
       return bmp;
+    }
 
     // 文檔格式
     case "md":
@@ -232,7 +226,21 @@ const CONVERTERS: ConverterConfig[] = [
     name: "imagemagick",
     command: "magick",
     from: ["png", "jpg", "jpeg", "gif", "bmp", "tiff", "tif", "webp", "ico", "ppm", "pgm", "pbm"],
-    to: ["png", "jpg", "jpeg", "gif", "bmp", "tiff", "tif", "webp", "ico", "ppm", "pgm", "pbm", "pdf"],
+    to: [
+      "png",
+      "jpg",
+      "jpeg",
+      "gif",
+      "bmp",
+      "tiff",
+      "tif",
+      "webp",
+      "ico",
+      "ppm",
+      "pgm",
+      "pbm",
+      "pdf",
+    ],
   },
   {
     name: "graphicsmagick",
@@ -316,7 +324,7 @@ const CONVERTERS: ConverterConfig[] = [
 // 主測試
 // =============================================================================
 
-let report: MatrixReport = {
+const report: MatrixReport = {
   generatedAt: new Date().toISOString(),
   converters: [],
   totalCombinations: 0,
@@ -350,7 +358,9 @@ afterAll(() => {
   console.log(`通過 Passed: ${report.passedTests}`);
   console.log(`失敗 Failed: ${report.failedTests}`);
   console.log(`跳過 Skipped: ${report.skippedTests}`);
-  console.log(`成功率 Success Rate: ${((report.passedTests / (report.testedCombinations || 1)) * 100).toFixed(1)}%`);
+  console.log(
+    `成功率 Success Rate: ${((report.passedTests / (report.testedCombinations || 1)) * 100).toFixed(1)}%`,
+  );
   console.log("=".repeat(70));
   console.log(`📁 報告路徑: ${reportPath}`);
   console.log(`📄 摘要路徑: ${summaryPath}`);
@@ -380,7 +390,7 @@ function generateMarkdownSummary(report: MatrixReport): string {
   }
 
   md += `## 失敗的測試\n\n`;
-  const failedResults = report.results.filter(r => !r.success);
+  const failedResults = report.results.filter((r) => !r.success);
   if (failedResults.length === 0) {
     md += `無失敗的測試 ✅\n`;
   } else {
@@ -399,7 +409,6 @@ function generateMarkdownSummary(report: MatrixReport): string {
 // =============================================================================
 
 describe("📊 格式轉換矩陣 Format Conversion Matrix", () => {
-  
   describe("發現可用轉換器 Discover Available Converters", () => {
     test("檢測所有轉換器", () => {
       for (const config of CONVERTERS) {
@@ -427,7 +436,9 @@ describe("📊 格式轉換矩陣 Format Conversion Matrix", () => {
         report.totalCombinations += combinations.length;
 
         const icon = available ? "✅" : "❌";
-        console.log(`  ${icon} ${config.name}: ${combinations.length} 組合 (${available ? "可用" : "不可用"})`);
+        console.log(
+          `  ${icon} ${config.name}: ${combinations.length} 組合 (${available ? "可用" : "不可用"})`,
+        );
       }
 
       console.log(`\n  📈 總組合數: ${report.totalCombinations}`);
@@ -436,82 +447,98 @@ describe("📊 格式轉換矩陣 Format Conversion Matrix", () => {
   });
 
   describe("圖像格式轉換 Image Format Conversions", () => {
-    const imageConverters = ["inkscape", "imagemagick", "graphicsmagick", "potrace", "vtracer", "resvg", "vips"];
+    const imageConverters = [
+      "inkscape",
+      "imagemagick",
+      "graphicsmagick",
+      "potrace",
+      "vtracer",
+      "resvg",
+      "vips",
+    ];
 
     for (const converterName of imageConverters) {
       describe(`${converterName}`, () => {
-        test(`測試格式轉換`, async () => {
-          const converter = report.converters.find(c => c.name === converterName);
-          if (!converter) {
-            report.skippedTests++;
-            console.log(`  ⏭ ${converterName}: 轉換器未找到`);
-            return;
-          }
-
-          if (!converter.available) {
-            report.skippedTests += converter.combinations.length;
-            console.log(`  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`);
-            return;
-          }
-
-          // 抽樣測試
-          const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
-          console.log(`  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`);
-
-          for (const [from, to] of sampled) {
-            report.testedCombinations++;
-            const startTime = Date.now();
-
-            try {
-              // 建立測試檔案
-              const inputDir = join(E2E_OUTPUT_DIR, converterName);
-              ensureDir(inputDir);
-              const inputPath = join(inputDir, `input.${from}`);
-              const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
-
-              const content = createTestContent(from);
-              if (Buffer.isBuffer(content)) {
-                writeFileSync(inputPath, content);
-              } else {
-                writeFileSync(inputPath, content, "utf-8");
-              }
-
-              // 動態導入並執行轉換
-              const module = await import(`../../src/converters/${converterName}`);
-              await module.convert(inputPath, from, to, outputPath);
-
-              const duration = Date.now() - startTime;
-              const success = existsSync(outputPath);
-
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success,
-                duration,
-              });
-
-              if (success) {
-                report.passedTests++;
-              } else {
-                report.failedTests++;
-                console.log(`    ❌ ${from} → ${to}: 輸出檔案不存在`);
-              }
-            } catch (error) {
-              const duration = Date.now() - startTime;
-              report.failedTests++;
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success: false,
-                duration,
-                error: String(error),
-              });
-              console.log(`    ❌ ${from} → ${to}: ${error}`);
+        test(
+          `測試格式轉換`,
+          async () => {
+            const converter = report.converters.find((c) => c.name === converterName);
+            if (!converter) {
+              report.skippedTests++;
+              console.log(`  ⏭ ${converterName}: 轉換器未找到`);
+              return;
             }
-          }
-        }, TIMEOUT * sampled.length);
+
+            if (!converter.available) {
+              report.skippedTests += converter.combinations.length;
+              console.log(
+                `  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`,
+              );
+              return;
+            }
+
+            // 抽樣測試
+            const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
+            console.log(
+              `  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`,
+            );
+
+            for (const [from, to] of sampled) {
+              report.testedCombinations++;
+              const startTime = Date.now();
+
+              try {
+                // 建立測試檔案
+                const inputDir = join(E2E_OUTPUT_DIR, converterName);
+                ensureDir(inputDir);
+                const inputPath = join(inputDir, `input.${from}`);
+                const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
+
+                const content = createTestContent(from);
+                if (Buffer.isBuffer(content)) {
+                  writeFileSync(inputPath, content);
+                } else {
+                  writeFileSync(inputPath, content, "utf-8");
+                }
+
+                // 動態導入並執行轉換
+                const module = await import(`../../src/converters/${converterName}`);
+                await module.convert(inputPath, from, to, outputPath);
+
+                const duration = Date.now() - startTime;
+                const success = existsSync(outputPath);
+
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success,
+                  duration,
+                });
+
+                if (success) {
+                  report.passedTests++;
+                } else {
+                  report.failedTests++;
+                  console.log(`    ❌ ${from} → ${to}: 輸出檔案不存在`);
+                }
+              } catch (error) {
+                const duration = Date.now() - startTime;
+                report.failedTests++;
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success: false,
+                  duration,
+                  error: String(error),
+                });
+                console.log(`    ❌ ${from} → ${to}: ${error}`);
+              }
+            }
+          },
+          TIMEOUT * sampled.length,
+        );
       });
     }
   });
@@ -521,85 +548,94 @@ describe("📊 格式轉換矩陣 Format Conversion Matrix", () => {
 
     for (const converterName of docConverters) {
       describe(`${converterName}`, () => {
-        test(`測試格式轉換`, async () => {
-          const converter = report.converters.find(c => c.name === converterName);
-          if (!converter) {
-            report.skippedTests++;
-            console.log(`  ⏭ ${converterName}: 轉換器未找到`);
-            return;
-          }
-
-          if (!converter.available) {
-            report.skippedTests += converter.combinations.length;
-            console.log(`  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`);
-            return;
-          }
-
-          // 抽樣測試
-          const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
-          console.log(`  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`);
-
-          for (const [from, to] of sampled) {
-            report.testedCombinations++;
-            const startTime = Date.now();
-
-            try {
-              const inputDir = join(E2E_OUTPUT_DIR, converterName);
-              ensureDir(inputDir);
-              const inputPath = join(inputDir, `input.${from}`);
-              const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
-
-              // 跳過複雜的二進制輸入格式（需要真實檔案）
-              if (isComplexFormat(from)) {
-                report.skippedTests++;
-                continue;
-              }
-
-              const content = createTestContent(from);
-              if (Buffer.isBuffer(content)) {
-                writeFileSync(inputPath, content);
-              } else {
-                writeFileSync(inputPath, content, "utf-8");
-              }
-
-              const module = await import(`../../src/converters/${converterName}`);
-              // 對於 Pandoc，正規化格式名稱
-              const normalizedFrom = converterName === "pandoc" ? normalizeFormatForPandoc(from) : from;
-              const normalizedTo = converterName === "pandoc" ? normalizeFormatForPandoc(to) : to;
-              await module.convert(inputPath, normalizedFrom, normalizedTo, outputPath);
-
-              const duration = Date.now() - startTime;
-              const success = existsSync(outputPath);
-
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success,
-                duration,
-              });
-
-              if (success) {
-                report.passedTests++;
-              } else {
-                report.failedTests++;
-                console.log(`    ❌ ${from} → ${to}: 輸出檔案不存在`);
-              }
-            } catch (error) {
-              const duration = Date.now() - startTime;
-              report.failedTests++;
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success: false,
-                duration,
-                error: String(error),
-              });
-              console.log(`    ❌ ${from} → ${to}: ${error}`);
+        test(
+          `測試格式轉換`,
+          async () => {
+            const converter = report.converters.find((c) => c.name === converterName);
+            if (!converter) {
+              report.skippedTests++;
+              console.log(`  ⏭ ${converterName}: 轉換器未找到`);
+              return;
             }
-          }
-        }, TIMEOUT * sampled.length);
+
+            if (!converter.available) {
+              report.skippedTests += converter.combinations.length;
+              console.log(
+                `  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`,
+              );
+              return;
+            }
+
+            // 抽樣測試
+            const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
+            console.log(
+              `  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`,
+            );
+
+            for (const [from, to] of sampled) {
+              report.testedCombinations++;
+              const startTime = Date.now();
+
+              try {
+                const inputDir = join(E2E_OUTPUT_DIR, converterName);
+                ensureDir(inputDir);
+                const inputPath = join(inputDir, `input.${from}`);
+                const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
+
+                // 跳過複雜的二進制輸入格式（需要真實檔案）
+                if (isComplexFormat(from)) {
+                  report.skippedTests++;
+                  continue;
+                }
+
+                const content = createTestContent(from);
+                if (Buffer.isBuffer(content)) {
+                  writeFileSync(inputPath, content);
+                } else {
+                  writeFileSync(inputPath, content, "utf-8");
+                }
+
+                const module = await import(`../../src/converters/${converterName}`);
+                // 對於 Pandoc，正規化格式名稱
+                const normalizedFrom =
+                  converterName === "pandoc" ? normalizeFormatForPandoc(from) : from;
+                const normalizedTo = converterName === "pandoc" ? normalizeFormatForPandoc(to) : to;
+                await module.convert(inputPath, normalizedFrom, normalizedTo, outputPath);
+
+                const duration = Date.now() - startTime;
+                const success = existsSync(outputPath);
+
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success,
+                  duration,
+                });
+
+                if (success) {
+                  report.passedTests++;
+                } else {
+                  report.failedTests++;
+                  console.log(`    ❌ ${from} → ${to}: 輸出檔案不存在`);
+                }
+              } catch (error) {
+                const duration = Date.now() - startTime;
+                report.failedTests++;
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success: false,
+                  duration,
+                  error: String(error),
+                });
+                console.log(`    ❌ ${from} → ${to}: ${error}`);
+              }
+            }
+          },
+          TIMEOUT * sampled.length,
+        );
       });
     }
   });
@@ -609,69 +645,77 @@ describe("📊 格式轉換矩陣 Format Conversion Matrix", () => {
 
     for (const converterName of dataConverters) {
       describe(`${converterName}`, () => {
-        test(`測試格式轉換`, async () => {
-          const converter = report.converters.find(c => c.name === converterName);
-          if (!converter) {
-            report.skippedTests++;
-            console.log(`  ⏭ ${converterName}: 轉換器未找到`);
-            return;
-          }
-
-          if (!converter.available) {
-            report.skippedTests += converter.combinations.length;
-            console.log(`  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`);
-            return;
-          }
-
-          const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
-          console.log(`  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`);
-
-          for (const [from, to] of sampled) {
-            report.testedCombinations++;
-            const startTime = Date.now();
-
-            try {
-              const inputDir = join(E2E_OUTPUT_DIR, converterName);
-              ensureDir(inputDir);
-              const inputPath = join(inputDir, `input.${from}`);
-              const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
-
-              const content = createTestContent(from);
-              writeFileSync(inputPath, content, "utf-8");
-
-              const module = await import(`../../src/converters/${converterName}`);
-              await module.convert(inputPath, from, to, outputPath);
-
-              const duration = Date.now() - startTime;
-              const success = existsSync(outputPath);
-
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success,
-                duration,
-              });
-
-              if (success) {
-                report.passedTests++;
-              } else {
-                report.failedTests++;
-              }
-            } catch (error) {
-              const duration = Date.now() - startTime;
-              report.failedTests++;
-              report.results.push({
-                converter: converterName,
-                from,
-                to,
-                success: false,
-                duration,
-                error: String(error),
-              });
+        test(
+          `測試格式轉換`,
+          async () => {
+            const converter = report.converters.find((c) => c.name === converterName);
+            if (!converter) {
+              report.skippedTests++;
+              console.log(`  ⏭ ${converterName}: 轉換器未找到`);
+              return;
             }
-          }
-        }, TIMEOUT * sampled.length);
+
+            if (!converter.available) {
+              report.skippedTests += converter.combinations.length;
+              console.log(
+                `  ⏭ ${converterName}: 工具不可用，跳過 ${converter.combinations.length} 個測試`,
+              );
+              return;
+            }
+
+            const sampled = sampleCombinations(converter.combinations, MAX_TESTS_PER_CONVERTER);
+            console.log(
+              `  🧪 ${converterName}: 測試 ${sampled.length}/${converter.combinations.length} 個組合`,
+            );
+
+            for (const [from, to] of sampled) {
+              report.testedCombinations++;
+              const startTime = Date.now();
+
+              try {
+                const inputDir = join(E2E_OUTPUT_DIR, converterName);
+                ensureDir(inputDir);
+                const inputPath = join(inputDir, `input.${from}`);
+                const outputPath = join(inputDir, `output_${from}_to_${to}.${to}`);
+
+                const content = createTestContent(from);
+                writeFileSync(inputPath, content, "utf-8");
+
+                const module = await import(`../../src/converters/${converterName}`);
+                await module.convert(inputPath, from, to, outputPath);
+
+                const duration = Date.now() - startTime;
+                const success = existsSync(outputPath);
+
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success,
+                  duration,
+                });
+
+                if (success) {
+                  report.passedTests++;
+                } else {
+                  report.failedTests++;
+                }
+              } catch (error) {
+                const duration = Date.now() - startTime;
+                report.failedTests++;
+                report.results.push({
+                  converter: converterName,
+                  from,
+                  to,
+                  success: false,
+                  duration,
+                  error: String(error),
+                });
+              }
+            }
+          },
+          TIMEOUT * sampled.length,
+        );
       });
     }
   });
@@ -693,6 +737,3 @@ function sampleCombinations(
   const shuffled = [...combinations].sort(() => Math.random() - 0.5);
   return shuffled.slice(0, maxCount);
 }
-
-// 為 sampled 變數提供全局作用域
-let sampled: [string, string][] = [];
diff --git a/tests/e2e/translation.e2e.test.ts b/tests/e2e/translation.e2e.test.ts
index 5770cd3..00f4784 100644
--- a/tests/e2e/translation.e2e.test.ts
+++ b/tests/e2e/translation.e2e.test.ts
@@ -1,24 +1,24 @@
 /**
  * 多語言翻譯 E2E 測試
- * 
+ *
  * 測試涵蓋：
  * - PDFMathTranslate (pdf2zh)
  * - BabelDOC
  * - 支援語言：中文（簡繁）、英文、日文、韓文、德文、法文等
- * 
+ *
  * 注意：這些測試需要：
  * 1. 網路連接（使用翻譯 API）
  * 2. 設置翻譯服務 API 金鑰
  * 3. PDF 測試檔案
- * 
+ *
  * 執行方式：
  *   bun test tests/e2e/translation.e2e.test.ts
  */
 
 import { describe, test, expect, beforeAll, afterAll } from "bun:test";
-import { existsSync, mkdirSync, writeFileSync, readFileSync, statSync } from "node:fs";
+import { existsSync, mkdirSync, writeFileSync, statSync } from "node:fs";
 import { join } from "node:path";
-import { spawnSync, execSync } from "node:child_process";
+import { spawnSync } from "node:child_process";
 
 // =============================================================================
 // 配置
@@ -41,7 +41,12 @@ interface Language {
 
 const SUPPORTED_LANGUAGES: Language[] = [
   { code: "zh", name: "Simplified Chinese", nativeName: "简体中文", testPhrase: "这是一个测试" },
-  { code: "zh-TW", name: "Traditional Chinese", nativeName: "繁體中文", testPhrase: "這是一個測試" },
+  {
+    code: "zh-TW",
+    name: "Traditional Chinese",
+    nativeName: "繁體中文",
+    testPhrase: "這是一個測試",
+  },
   { code: "en", name: "English", nativeName: "English", testPhrase: "This is a test" },
   { code: "ja", name: "Japanese", nativeName: "日本語", testPhrase: "これはテストです" },
   { code: "ko", name: "Korean", nativeName: "한국어", testPhrase: "이것은 테스트입니다" },
@@ -53,7 +58,12 @@ const SUPPORTED_LANGUAGES: Language[] = [
   { code: "it", name: "Italian", nativeName: "Italiano", testPhrase: "Questo è un test" },
   { code: "ar", name: "Arabic", nativeName: "العربية", testPhrase: "هذا اختبار" },
   { code: "th", name: "Thai", nativeName: "ไทย", testPhrase: "นี่คือการทดสอบ" },
-  { code: "vi", name: "Vietnamese", nativeName: "Tiếng Việt", testPhrase: "Đây là một bài kiểm tra" },
+  {
+    code: "vi",
+    name: "Vietnamese",
+    nativeName: "Tiếng Việt",
+    testPhrase: "Đây là một bài kiểm tra",
+  },
 ];
 
 // =============================================================================
@@ -133,15 +143,15 @@ This document is used for testing multilingual translation capabilities.
 
   try {
     // 嘗試使用 xelatex
-    const result = spawnSync("xelatex", [
-      "-interaction=nonstopmode",
-      "-output-directory=" + join(path, ".."),
-      texPath,
-    ], {
-      timeout: 60000,
-      encoding: "utf-8",
-      stdio: ["pipe", "pipe", "pipe"],
-    });
+    const result = spawnSync(
+      "xelatex",
+      ["-interaction=nonstopmode", "-output-directory=" + join(path, ".."), texPath],
+      {
+        timeout: 60000,
+        encoding: "utf-8",
+        stdio: ["pipe", "pipe", "pipe"],
+      },
+    );
 
     return result.status === 0 && existsSync(path);
   } catch {
@@ -192,9 +202,9 @@ let testPdfPath: string;
 
 beforeAll(async () => {
   console.log("\n🔧 初始化翻譯測試... Initializing translation tests...\n");
-  
+
   ensureDir(E2E_OUTPUT_DIR);
-  
+
   // 檢測翻譯工具
   console.log("  檢測翻譯工具...");
   translators = {
@@ -204,7 +214,9 @@ beforeAll(async () => {
 
   for (const [name, status] of Object.entries(translators)) {
     const icon = status.available ? "✅" : "❌";
-    console.log(`    ${icon} ${name}: ${status.available ? status.version || "available" : "not found"}`);
+    console.log(
+      `    ${icon} ${name}: ${status.available ? status.version || "available" : "not found"}`,
+    );
   }
 
   // 檢查或創建測試 PDF
@@ -230,16 +242,25 @@ afterAll(() => {
   console.log(`✅ 通過 Passed: ${stats.passed}`);
   console.log(`❌ 失敗 Failed: ${stats.failed}`);
   console.log(`⏭ 跳過 Skipped: ${stats.skipped}`);
-  console.log(`成功率 Success Rate: ${((stats.passed / (stats.total - stats.skipped || 1)) * 100).toFixed(1)}%`);
+  console.log(
+    `成功率 Success Rate: ${((stats.passed / (stats.total - stats.skipped || 1)) * 100).toFixed(1)}%`,
+  );
   console.log("=".repeat(70));
 
   // 生成報告
   const reportPath = join(E2E_OUTPUT_DIR, "translation-report.json");
-  writeFileSync(reportPath, JSON.stringify({
-    generatedAt: new Date().toISOString(),
-    translators,
-    stats,
-  }, null, 2));
+  writeFileSync(
+    reportPath,
+    JSON.stringify(
+      {
+        generatedAt: new Date().toISOString(),
+        translators,
+        stats,
+      },
+      null,
+      2,
+    ),
+  );
   console.log(`📁 報告已保存: ${reportPath}`);
 });
 
@@ -250,86 +271,92 @@ afterAll(() => {
 describe("📚 PDFMathTranslate (pdf2zh)", () => {
   // 主要語言測試
   describe("主要語言翻譯 Primary Languages", () => {
-    const primaryLanguages = SUPPORTED_LANGUAGES.filter(l => 
-      ["zh", "en", "ja", "ko"].includes(l.code)
+    const primaryLanguages = SUPPORTED_LANGUAGES.filter((l) =>
+      ["zh", "en", "ja", "ko"].includes(l.code),
     );
 
     for (const lang of primaryLanguages) {
-      test(`英文 → ${lang.nativeName} (${lang.code})`, async () => {
-        stats.total++;
+      test(
+        `英文 → ${lang.nativeName} (${lang.code})`,
+        async () => {
+          stats.total++;
 
-        if (!translators.pdf2zh?.available) {
-          stats.skipped++;
-          console.log(`  ⏭ 跳過: pdf2zh 不可用`);
-          return;
-        }
-
-        if (!existsSync(testPdfPath)) {
-          stats.skipped++;
-          console.log(`  ⏭ 跳過: 測試 PDF 不存在`);
-          return;
-        }
-
-        const outputPath = join(E2E_OUTPUT_DIR, `pdf2zh_en_to_${lang.code}.tar`);
-        const startTime = Date.now();
-        const inputSize = statSync(testPdfPath).size;
-
-        try {
-          // 動態導入轉換器
-          const module = await import("../../src/converters/pdfmathtranslate");
-          
-          // 設置目標語言（透過環境變數或參數）
-          process.env.PDF2ZH_TARGET_LANG = lang.code;
-          
-          await module.convert(testPdfPath, "pdf", "tar", outputPath);
-
-          const duration = Date.now() - startTime;
-          const outputSize = existsSync(outputPath) ? statSync(outputPath).size : 0;
-          const success = outputSize > 0;
-
-          stats.results.push({
-            translator: "pdf2zh",
-            sourceLang: "en",
-            targetLang: lang.code,
-            success,
-            duration,
-            inputSize,
-            outputSize,
-          });
-
-          if (success) {
-            stats.passed++;
-            console.log(`  ✓ en → ${lang.code}: ${outputSize} bytes (${(duration / 1000).toFixed(1)}s)`);
-          } else {
-            stats.failed++;
-            console.log(`  ✗ en → ${lang.code}: 輸出為空`);
+          if (!translators.pdf2zh?.available) {
+            stats.skipped++;
+            console.log(`  ⏭ 跳過: pdf2zh 不可用`);
+            return;
           }
 
-          expect(success).toBe(true);
-        } catch (error) {
-          const duration = Date.now() - startTime;
-          stats.failed++;
-          stats.results.push({
-            translator: "pdf2zh",
-            sourceLang: "en",
-            targetLang: lang.code,
-            success: false,
-            duration,
-            inputSize,
-            outputSize: 0,
-            error: String(error),
-          });
-          console.log(`  ✗ en → ${lang.code}: ${error}`);
-          throw error;
-        }
-      }, TIMEOUT);
+          if (!existsSync(testPdfPath)) {
+            stats.skipped++;
+            console.log(`  ⏭ 跳過: 測試 PDF 不存在`);
+            return;
+          }
+
+          const outputPath = join(E2E_OUTPUT_DIR, `pdf2zh_en_to_${lang.code}.tar`);
+          const startTime = Date.now();
+          const inputSize = statSync(testPdfPath).size;
+
+          try {
+            // 動態導入轉換器
+            const module = await import("../../src/converters/pdfmathtranslate");
+
+            // 設置目標語言（透過環境變數或參數）
+            process.env.PDF2ZH_TARGET_LANG = lang.code;
+
+            await module.convert(testPdfPath, "pdf", "tar", outputPath);
+
+            const duration = Date.now() - startTime;
+            const outputSize = existsSync(outputPath) ? statSync(outputPath).size : 0;
+            const success = outputSize > 0;
+
+            stats.results.push({
+              translator: "pdf2zh",
+              sourceLang: "en",
+              targetLang: lang.code,
+              success,
+              duration,
+              inputSize,
+              outputSize,
+            });
+
+            if (success) {
+              stats.passed++;
+              console.log(
+                `  ✓ en → ${lang.code}: ${outputSize} bytes (${(duration / 1000).toFixed(1)}s)`,
+              );
+            } else {
+              stats.failed++;
+              console.log(`  ✗ en → ${lang.code}: 輸出為空`);
+            }
+
+            expect(success).toBe(true);
+          } catch (error) {
+            const duration = Date.now() - startTime;
+            stats.failed++;
+            stats.results.push({
+              translator: "pdf2zh",
+              sourceLang: "en",
+              targetLang: lang.code,
+              success: false,
+              duration,
+              inputSize,
+              outputSize: 0,
+              error: String(error),
+            });
+            console.log(`  ✗ en → ${lang.code}: ${error}`);
+            throw error;
+          }
+        },
+        TIMEOUT,
+      );
     }
   });
 
   // 次要語言測試（可選）
   describe("次要語言翻譯 Secondary Languages", () => {
-    const secondaryLanguages = SUPPORTED_LANGUAGES.filter(l => 
-      ["de", "fr", "es", "ru"].includes(l.code)
+    const secondaryLanguages = SUPPORTED_LANGUAGES.filter((l) =>
+      ["de", "fr", "es", "ru"].includes(l.code),
     );
 
     for (const lang of secondaryLanguages) {
@@ -349,78 +376,82 @@ describe("📚 PDFMathTranslate (pdf2zh)", () => {
 
 describe("🌐 BabelDOC", () => {
   describe("PDF 翻譯", () => {
-    const testLanguages = SUPPORTED_LANGUAGES.filter(l => 
-      ["zh", "ja"].includes(l.code)
-    );
+    const testLanguages = SUPPORTED_LANGUAGES.filter((l) => ["zh", "ja"].includes(l.code));
 
     for (const lang of testLanguages) {
-      test(`英文 → ${lang.nativeName} (${lang.code})`, async () => {
-        stats.total++;
+      test(
+        `英文 → ${lang.nativeName} (${lang.code})`,
+        async () => {
+          stats.total++;
 
-        if (!translators.babeldoc?.available) {
-          stats.skipped++;
-          console.log(`  ⏭ 跳過: babeldoc 不可用`);
-          return;
-        }
-
-        if (!existsSync(testPdfPath)) {
-          stats.skipped++;
-          console.log(`  ⏭ 跳過: 測試 PDF 不存在`);
-          return;
-        }
-
-        const outputPath = join(E2E_OUTPUT_DIR, `babeldoc_en_to_${lang.code}.tar`);
-        const startTime = Date.now();
-        const inputSize = statSync(testPdfPath).size;
-
-        try {
-          const module = await import("../../src/converters/babeldoc");
-          
-          // 設置目標語言
-          process.env.BABELDOC_TARGET_LANG = lang.code;
-          
-          await module.convert(testPdfPath, "pdf", "tar", outputPath);
-
-          const duration = Date.now() - startTime;
-          const outputSize = existsSync(outputPath) ? statSync(outputPath).size : 0;
-          const success = outputSize > 0;
-
-          stats.results.push({
-            translator: "babeldoc",
-            sourceLang: "en",
-            targetLang: lang.code,
-            success,
-            duration,
-            inputSize,
-            outputSize,
-          });
-
-          if (success) {
-            stats.passed++;
-            console.log(`  ✓ en → ${lang.code}: ${outputSize} bytes (${(duration / 1000).toFixed(1)}s)`);
-          } else {
-            stats.failed++;
-            console.log(`  ✗ en → ${lang.code}: 輸出為空`);
+          if (!translators.babeldoc?.available) {
+            stats.skipped++;
+            console.log(`  ⏭ 跳過: babeldoc 不可用`);
+            return;
           }
 
-          expect(success).toBe(true);
-        } catch (error) {
-          const duration = Date.now() - startTime;
-          stats.failed++;
-          stats.results.push({
-            translator: "babeldoc",
-            sourceLang: "en",
-            targetLang: lang.code,
-            success: false,
-            duration,
-            inputSize,
-            outputSize: 0,
-            error: String(error),
-          });
-          console.log(`  ✗ en → ${lang.code}: ${error}`);
-          throw error;
-        }
-      }, TIMEOUT);
+          if (!existsSync(testPdfPath)) {
+            stats.skipped++;
+            console.log(`  ⏭ 跳過: 測試 PDF 不存在`);
+            return;
+          }
+
+          const outputPath = join(E2E_OUTPUT_DIR, `babeldoc_en_to_${lang.code}.tar`);
+          const startTime = Date.now();
+          const inputSize = statSync(testPdfPath).size;
+
+          try {
+            const module = await import("../../src/converters/babeldoc");
+
+            // 設置目標語言
+            process.env.BABELDOC_TARGET_LANG = lang.code;
+
+            await module.convert(testPdfPath, "pdf", "tar", outputPath);
+
+            const duration = Date.now() - startTime;
+            const outputSize = existsSync(outputPath) ? statSync(outputPath).size : 0;
+            const success = outputSize > 0;
+
+            stats.results.push({
+              translator: "babeldoc",
+              sourceLang: "en",
+              targetLang: lang.code,
+              success,
+              duration,
+              inputSize,
+              outputSize,
+            });
+
+            if (success) {
+              stats.passed++;
+              console.log(
+                `  ✓ en → ${lang.code}: ${outputSize} bytes (${(duration / 1000).toFixed(1)}s)`,
+              );
+            } else {
+              stats.failed++;
+              console.log(`  ✗ en → ${lang.code}: 輸出為空`);
+            }
+
+            expect(success).toBe(true);
+          } catch (error) {
+            const duration = Date.now() - startTime;
+            stats.failed++;
+            stats.results.push({
+              translator: "babeldoc",
+              sourceLang: "en",
+              targetLang: lang.code,
+              success: false,
+              duration,
+              inputSize,
+              outputSize: 0,
+              error: String(error),
+            });
+            console.log(`  ✗ en → ${lang.code}: ${error}`);
+            throw error;
+          }
+        },
+        TIMEOUT,
+      );
     }
   });
 });
@@ -434,18 +465,27 @@ describe("🔤 語言矩陣測試 Language Matrix", () => {
     console.log("\n📋 支援的語言 Supported Languages:\n");
     console.log("| 代碼 | 名稱 | 本地名稱 | 測試短語 |");
     console.log("|------|------|----------|----------|");
-    
+
     for (const lang of SUPPORTED_LANGUAGES) {
-      console.log(`| ${lang.code.padEnd(6)} | ${lang.name.padEnd(20)} | ${lang.nativeName} | ${lang.testPhrase} |`);
+      console.log(
+        `| ${lang.code.padEnd(6)} | ${lang.name.padEnd(20)} | ${lang.nativeName} | ${lang.testPhrase} |`,
+      );
     }
 
     // 生成語言矩陣報告
     const matrixPath = join(E2E_OUTPUT_DIR, "language-matrix.json");
-    writeFileSync(matrixPath, JSON.stringify({
-      languages: SUPPORTED_LANGUAGES,
-      translators: Object.keys(translators),
-      generatedAt: new Date().toISOString(),
-    }, null, 2));
+    writeFileSync(
+      matrixPath,
+      JSON.stringify(
+        {
+          languages: SUPPORTED_LANGUAGES,
+          translators: Object.keys(translators),
+          generatedAt: new Date().toISOString(),
+        },
+        null,
+        2,
+      ),
+    );
 
     console.log(`\n📁 語言矩陣已保存: ${matrixPath}`);
     expect(SUPPORTED_LANGUAGES.length).toBeGreaterThan(0);