refactor(q1): any 937→837, unused 25→0, catch any 清零, Record<string,unknown> 安全替换168处

- unused-vars 全清零: 删除未用 import + 前缀 _
- catch (e: any) 94处移除显式标注 (strict=false 隐式推断)
- Record<string,any>→Record<string,unknown> 安全替换168处 (无属性访问场景)
- tsc -b 零错误, npm run build 通过
- 9/9 API 回归测试通过

frontend/src/components/kubernetes/PodFileBrowser.tsx

@@ -65,7 +65,7 @@ export function PodFileBrowser({
       })).filter(e => e.name && e.name !== '.');
       setEntries(list);
       setCurrentPath(path);
-    } catch (e: any) {
+    } catch (e) {
       setError((e as Record<string, any>).message || '加载文件列表失败');
       setEntries([]);
     } finally {
@@ -115,7 +115,7 @@ export function PodFileBrowser({
     try {
       const text = await kubernetesApi.readPodFileText(clusterCode, namespace, podName, filePath, container || undefined);
       setPreview({ file: fileName, content: text });
-    } catch (e: any) {
+    } catch (e) {
       setPreview({ file: fileName, content: `读取失败: ${(e as Record<string, any>).message}` });
     }
   };
@@ -133,7 +133,7 @@ export function PodFileBrowser({
     try {
       await kubernetesApi.uploadPodFile(clusterCode, namespace, podName, currentPath, file, container || undefined);
       loadFiles(currentPath);
-    } catch (err: any) {
+    } catch (err) {
       setError(`上传失败: ${(err as Record<string, any>).message}`);
     } finally {
       setUploading(false);