feat: open teaching analytics to Teacher Admin

StuckProblems, TopACTrend, AI user analysis, and problemset user
progress are now accessible to Teacher Admin (previously super-only).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ai/views/oj.py

@@ -234,7 +234,7 @@ class AIDetailDataAPI(APIView):
             return self.error("end 格式无效，请使用 ISO 8601 格式")
 
         user = request.user
-        if username and request.user.is_super_admin():
+        if username and request.user.is_teacher_or_above():
             try:
                 user = User.objects.get(username=username)
             except User.DoesNotExist:
@@ -444,7 +444,7 @@ class AIDurationDataAPI(APIView):
         username = request.GET.get("username")
 
         user = request.user
-        if username and request.user.is_super_admin():
+        if username and request.user.is_teacher_or_above():
             try:
                 user = User.objects.get(username=username)
             except User.DoesNotExist:
@@ -856,7 +856,7 @@ class AIHeatmapDataAPI(APIView):
     def get(self, request):
         username = request.GET.get("username")
         user = request.user
-        if username and request.user.is_super_admin():
+        if username and request.user.is_teacher_or_above():
             try:
                 user = User.objects.get(username=username)
             except User.DoesNotExist:

problem/views/admin.py

@@ -11,7 +11,7 @@ from django.db.models import Count, Q
 from django.db.models.functions import ExtractYear
 from django.http import StreamingHttpResponse
 
-from account.decorators import ensure_created_by, problem_permission_required, super_admin_required
+from account.decorators import ensure_created_by, problem_permission_required, teacher_admin_required
 from contest.models import Contest, ContestStatus
 from submission.models import Submission
 from utils.api import APIError, APIView, CSRFExemptAPIView, validate_serializer
@@ -508,7 +508,7 @@ class ProblemFlowchartAIGen(APIView):
 
 
 class StuckProblemsAPI(APIView):
-    @super_admin_required
+    @teacher_admin_required
     def get(self, request):
         from submission.models import JudgeStatus
 
@@ -545,7 +545,7 @@ class StuckProblemsAPI(APIView):
 
 
 class TopACTrendAPI(APIView):
-    @super_admin_required
+    @teacher_admin_required
     def get(self, request):
         import datetime
         from collections import defaultdict

problemset/views/oj.py

@@ -1,7 +1,7 @@
 from django.db.models import Avg, Count, Prefetch, Q
 from django.utils import timezone
 
-from account.decorators import admin_role_required, login_required
+from account.decorators import login_required, teacher_admin_required
 from account.models import User
 from problem.models import Problem
 from problemset.models import (
@@ -300,7 +300,7 @@ class ProblemSetBadgeAPI(AsyncAPIView):
 class ProblemSetUserProgressAPI(AsyncAPIView):
     """题单用户进度列表API"""
 
-    @admin_role_required
+    @teacher_admin_required
     async def get(self, request, problem_set_id: int):
         """获取题单的用户进度列表"""
         try: