feat: UI优化和功能完善

- 添加公共分页组件，支持上边显示、分页大小10
- 侧边栏/Header按Liner风格优化，添加动画效果
- 异常处理列表支持分页和明细弹窗
- 任务结果页面支持已匹配列表分页
- 修复Dialog弹窗背景透明问题
- 新增dropdown-menu组件
- 添加parsed_file_record模型和回填脚本
- 前端枚举中文化

frontend/app/api/[...path]/route.ts

@@ -21,10 +21,22 @@ export async function GET(
 
   try {
     const response = await fetch(targetUrl, { headers });
-    const data = await response.json();
-    return NextResponse.json(data, { status: response.status });
+    
+    // 先检查 Content-Type，确保是 JSON
+    const contentType = response.headers.get('content-type');
+    if (contentType && contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    } else {
+      const text = await response.text();
+      return new NextResponse(text, { 
+        status: response.status,
+        headers: { 'content-type': contentType || 'text/plain' }
+      });
+    }
   } catch (error) {
-    return NextResponse.json({ detail: 'Proxy error' }, { status: 502 });
+    console.error('GET proxy error:', error);
+    return NextResponse.json({ detail: 'Proxy error', error: String(error) }, { status: 502 });
   }
 }
 
@@ -51,10 +63,22 @@ export async function POST(
       headers,
       body,
     });
-    const data = await response.json();
-    return NextResponse.json(data, { status: response.status });
+    
+    // 先检查 Content-Type，确保是 JSON
+    const contentType = response.headers.get('content-type');
+    if (contentType && contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    } else {
+      const text = await response.text();
+      return new NextResponse(text, { 
+        status: response.status,
+        headers: { 'content-type': contentType || 'text/plain' }
+      });
+    }
   } catch (error) {
-    return NextResponse.json({ detail: 'Proxy error' }, { status: 502 });
+    console.error('POST proxy error:', error);
+    return NextResponse.json({ detail: 'Proxy error', error: String(error) }, { status: 502 });
   }
 }
 
@@ -81,10 +105,21 @@ export async function PUT(
       headers,
       body,
     });
-    const data = await response.json();
-    return NextResponse.json(data, { status: response.status });
+    
+    const contentType = response.headers.get('content-type');
+    if (contentType && contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    } else {
+      const text = await response.text();
+      return new NextResponse(text, { 
+        status: response.status,
+        headers: { 'content-type': contentType || 'text/plain' }
+      });
+    }
   } catch (error) {
-    return NextResponse.json({ detail: 'Proxy error' }, { status: 502 });
+    console.error('PUT proxy error:', error);
+    return NextResponse.json({ detail: 'Proxy error', error: String(error) }, { status: 502 });
   }
 }
 
@@ -111,10 +146,21 @@ export async function PATCH(
       headers,
       body,
     });
-    const data = await response.json();
-    return NextResponse.json(data, { status: response.status });
+    
+    const contentType = response.headers.get('content-type');
+    if (contentType && contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    } else {
+      const text = await response.text();
+      return new NextResponse(text, { 
+        status: response.status,
+        headers: { 'content-type': contentType || 'text/plain' }
+      });
+    }
   } catch (error) {
-    return NextResponse.json({ detail: 'Proxy error' }, { status: 502 });
+    console.error('PATCH proxy error:', error);
+    return NextResponse.json({ detail: 'Proxy error', error: String(error) }, { status: 502 });
   }
 }
 
@@ -139,9 +185,20 @@ export async function DELETE(
       method: 'DELETE',
       headers,
     });
-    const data = await response.json();
-    return NextResponse.json(data, { status: response.status });
+    
+    const contentType = response.headers.get('content-type');
+    if (contentType && contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    } else {
+      const text = await response.text();
+      return new NextResponse(text, { 
+        status: response.status,
+        headers: { 'content-type': contentType || 'text/plain' }
+      });
+    }
   } catch (error) {
-    return NextResponse.json({ detail: 'Proxy error' }, { status: 502 });
+    console.error('DELETE proxy error:', error);
+    return NextResponse.json({ detail: 'Proxy error', error: String(error) }, { status: 502 });
   }
 }