feat(app): add error/loading boundaries and update dashboard routes

- Add error.tsx and loading.tsx boundaries for admin, parent, student, teacher routes

- Add dashboard-error-fallback and dashboard-loading-skeleton components

- Add student/learning page, parent/leave routes, teacher textbook components

- Update existing app routes across auth, dashboard, and API endpoints

- Update proxy middleware and next-auth type declarations

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

@@ -39,16 +39,19 @@ export default async function TeacherDiagnosticPage({
   const reportType = getParam(sp, "reportType")
   const status = getParam(sp, "status")
 
-  const reports = await getDiagnosticReports({
-    reportType: reportType && reportType !== "all" ? parseReportType(reportType) : undefined,
-    status: status && status !== "all" ? parseReportStatus(status) : undefined,
-  })
+  const reports = await getDiagnosticReports(
+    {
+      reportType: reportType && reportType !== "all" ? parseReportType(reportType) : undefined,
+      status: status && status !== "all" ? parseReportStatus(status) : undefined,
+    },
+    ctx.dataScope,
+  )
 
   // 学生角色仅查看自己的报告；其他角色查看全部
   const visibleReports =
     ctx.dataScope.type === "class_members"
-      ? reports.filter((r) => r.studentId === ctx.userId)
-      : reports
+      ? reports.reports.filter((r) => r.studentId === ctx.userId)
+      : reports.reports
 
   return (
     <div className="h-full flex-1 flex-col space-y-8 p-8 md:flex">