feat(diagnostic): refactor services with monitor and context providers

- Update default-diagnostic-service.ts

- Update diagnostic-monitor-context.tsx

- Update diagnostic-service-context.tsx

- Update monitored-diagnostic-service.ts

- Update teacher diagnostic page

src/app/(dashboard)/teacher/diagnostic/page.tsx

@@ -8,12 +8,9 @@ import { ReportList } from "@/modules/diagnostic/components/report-list"
 import {
   DiagnosticServiceProvider,
 } from "@/modules/diagnostic/services/diagnostic-service-context"
-import { defaultDiagnosticService } from "@/modules/diagnostic/services/default-diagnostic-service"
-import { createMonitoredDiagnosticService } from "@/modules/diagnostic/services/monitored-diagnostic-service"
 import {
   DiagnosticMonitorProvider,
 } from "@/modules/diagnostic/services/diagnostic-monitor-context"
-import { noopDiagnosticMonitor } from "@/modules/diagnostic/services/diagnostic-monitor"
 import type { DiagnosticReportType, DiagnosticReportStatus } from "@/modules/diagnostic/types"
 
 export const dynamic = "force-dynamic"
@@ -64,11 +61,8 @@ export default async function TeacherDiagnosticPage({
   // v2-P2-2: 移除客户端 filter，DataScope 过滤已在 data-access 层完成
   // class_members scope 的学生已通过 filters.studentId 在 data-access 层过滤
 
-  // v2-P2-7: 包装默认服务以添加监控埋点（默认 no-op，生产环境可注入真实实现）
-  const monitoredService = createMonitoredDiagnosticService(
-    defaultDiagnosticService,
-    noopDiagnosticMonitor,
-  )
+  // v2-P2-7: service 组装移至 DiagnosticServiceProvider（客户端），
+  // 避免 server component 创建含函数的对象传给 client component。
 
   return (
     <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">
@@ -78,8 +72,8 @@ export default async function TeacherDiagnosticPage({
           {t("title.teacherReportListDesc")}
         </p>
       </div>
-      <DiagnosticMonitorProvider monitor={noopDiagnosticMonitor}>
-        <DiagnosticServiceProvider service={monitoredService}>
+      <DiagnosticMonitorProvider>
+        <DiagnosticServiceProvider>
           <ReportList reports={reports.reports} />
         </DiagnosticServiceProvider>
       </DiagnosticMonitorProvider>