Initial commit: Tianpu Zero-Carbon EMS Platform

Full-stack energy management system for Tianpu Daxing campus.
- Frontend: React 19 + TypeScript + Ant Design + ECharts
- Backend: FastAPI + SQLAlchemy + PostgreSQL/TimescaleDB
- Features: PV monitoring, heat pump management, carbon tracking, alarms, reports

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/app/api/v1/auth.py

@@ -0,0 +1,50 @@
+from datetime import datetime, timezone
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from pydantic import BaseModel
+from app.core.database import get_db
+from app.core.security import verify_password, create_access_token, hash_password
+from app.core.deps import get_current_user
+from app.models.user import User
+
+router = APIRouter(prefix="/auth", tags=["认证"])
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+    user: dict
+
+
+class RegisterRequest(BaseModel):
+    username: str
+    password: str
+    full_name: str | None = None
+    email: str | None = None
+    phone: str | None = None
+
+
+@router.post("/login", response_model=Token)
+async def login(form: OAuth2PasswordRequestForm = Depends(), db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(User).where(User.username == form.username))
+    user = result.scalar_one_or_none()
+    if not user or not verify_password(form.password, user.hashed_password):
+        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="用户名或密码错误")
+    if not user.is_active:
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="账号已禁用")
+    user.last_login = datetime.now(timezone.utc)
+    token = create_access_token({"sub": str(user.id), "role": user.role})
+    return Token(
+        access_token=token,
+        user={"id": user.id, "username": user.username, "full_name": user.full_name, "role": user.role}
+    )
+
+
+@router.get("/me")
+async def get_me(user: User = Depends(get_current_user)):
+    return {
+        "id": user.id, "username": user.username, "full_name": user.full_name,
+        "email": user.email, "phone": user.phone, "role": user.role, "is_active": user.is_active,
+    }