Initial commit: WordLoop 单词学习应用

Vue 前端 + FastAPI 后端，含部署脚本与词典数据。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/routers/quiz_router.py

@@ -0,0 +1,49 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from auth import get_current_user
+from database import get_db
+from models import User
+from schemas import (
+    DailyQuizResponse,
+    QuizAnswerRequest,
+    QuizAnswerResponse,
+    QuizStatsResponse,
+)
+from services.quiz_service import quiz_service
+
+router = APIRouter(prefix="/api/quiz", tags=["quiz"])
+
+
+@router.get("/daily", response_model=DailyQuizResponse)
+def daily_quiz(
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    result = quiz_service.get_daily_quiz(db, current_user)
+    return DailyQuizResponse(**result)
+
+
+@router.post("/answer", response_model=QuizAnswerResponse)
+def submit_answer(
+    data: QuizAnswerRequest,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    result = quiz_service.submit_answer(
+        db,
+        current_user,
+        data.word_id,
+        data.question_type,
+        data.user_answer,
+        data.correct_answer,
+    )
+    return QuizAnswerResponse(**result)
+
+
+@router.get("/stats", response_model=QuizStatsResponse)
+def quiz_stats(
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    return quiz_service.get_stats(db, current_user)