Initial commit: SQL audit platform v0.1.0

FastAPI backend with auth, user, instance, ticket, query, dashboard APIs.
React + TypeScript frontend with mock data UI (10 pages).
SQLite + async SQLAlchemy, JWT auth, role-based access control.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/app/api/v1/endpoints/auth.py

@@ -0,0 +1,55 @@
+from datetime import datetime, timezone
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_db
+from app.core.security import verify_password, create_access_token, get_current_user
+from app.models.user import User
+from app.schemas.auth import LoginRequest, TokenResponse, UserBrief
+
+router = APIRouter(prefix="/auth", tags=["认证"])
+
+
+@router.post("/login", response_model=TokenResponse)
+async def login(req: LoginRequest, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(User).where(User.username == req.username))
+    user = result.scalar_one_or_none()
+
+    if not user or not verify_password(req.password, user.hashed_password):
+        raise HTTPException(status_code=401, detail="用户名或密码错误")
+
+    if not user.is_active:
+        raise HTTPException(status_code=403, detail="用户已禁用")
+
+    user.last_login = datetime.now(timezone.utc)
+    await db.commit()
+
+    token = create_access_token(data={"sub": str(user.id), "role": user.role})
+
+    return TokenResponse(
+        access_token=token,
+        user=UserBrief(
+            id=user.id,
+            username=user.username,
+            display_name=user.display_name,
+            role=user.role,
+            email=user.email,
+        ),
+    )
+
+
+@router.get("/me", response_model=UserBrief)
+async def get_me(current_user: User = Depends(get_current_user)):
+    return UserBrief(
+        id=current_user.id,
+        username=current_user.username,
+        display_name=current_user.display_name,
+        role=current_user.role,
+        email=current_user.email,
+    )
+
+
+@router.post("/logout")
+async def logout():
+    return {"message": "已登出"}