精简后端功能模块并补充教学互动

app/api/teaching.py

@@ -0,0 +1,32 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.core.response import ApiResponse, ok
+from app.core.user_context import UserContext, get_user_context
+from app.db.session import get_db
+from app.schemas.teaching import CreateTeachingEvaluationRequest, TeachingEvaluationResponse, TeachingItemsResponse
+from app.services.teaching_service import TeachingService
+
+router = APIRouter()
+
+
+@router.get("/cases/{case_id}/items", response_model=ApiResponse[TeachingItemsResponse])
+def get_teaching_items(
+    case_id: int,
+    ctx: UserContext = Depends(get_user_context),
+    db: Session = Depends(get_db),
+):
+    """教学列表：返回病例、题目、选项、答案、解析文本和教学视频。"""
+    return ok(TeachingService(db).list_items(ctx, case_id))
+
+
+@router.post("/evaluation", response_model=ApiResponse[TeachingEvaluationResponse])
+async def create_teaching_evaluation(
+    payload: CreateTeachingEvaluationRequest,
+    ctx: UserContext = Depends(get_user_context),
+    db: Session = Depends(get_db),
+):
+    """教学评价：根据教学互动作答生成 AI 评价并写入训练记录。"""
+    result = await TeachingService(db).create_evaluation(ctx, payload)
+    db.commit()
+    return ok(result)