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/approval/ApprovalCreateDialog.tsx

@@ -67,7 +67,7 @@ export function ApprovalCreateDialog({
       setSelectedTemplate(null);
       setFormData({});
       onSuccess();
-    } catch (e: any) {
+    } catch (e) {
       toast.error('提交失败', { description: e?.message });
     } finally {
       setSubmitting(false);

frontend/src/components/approval/ApprovalFlow.tsx

@@ -122,7 +122,7 @@ export function ApprovalFlow() {
       }
       setActionDialogOpen(false);
       loadData();
-    } catch (error: any) {
+    } catch (error) {
       toast.error('操作失败', { description: (error as Record<string, any>).message });
     } finally {
       setActionSubmitting(false);

frontend/src/components/approval/helpers.tsx

@@ -34,7 +34,7 @@ export function parseFields( formSchema: any): any[] {
 // 在详情弹窗中渲染表单数据为键值对展示 // Logan.Li
 export function renderFormData(formDataStr: string, template?: any) {
   if (!formDataStr) return null;
-  let data: Record<string, any>;
+  let data: Record<string, unknown>;
   try {
     data = typeof formDataStr === 'string' ? JSON.parse(formDataStr) : formDataStr;
   } catch {