Initial project scaffold: FastAPI + React/Vite + PostgreSQL SaaS starter

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

backend/app/routers/auth.py

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+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.security import create_access_token, hash_password, verify_password
+from app.database import get_db
+from app.models.user import User
+from app.schemas.user import Token, UserCreate, UserOut
+
+router = APIRouter()
+
+
+@router.post("/register", response_model=UserOut, status_code=status.HTTP_201_CREATED)
+async def register(body: UserCreate, db: AsyncSession = Depends(get_db)):
+    existing = await db.execute(select(User).where(User.email == body.email))
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Email already registered")
+
+    user = User(
+        email=body.email,
+        hashed_password=hash_password(body.password),
+        full_name=body.full_name,
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    return user
+
+
+@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.email == form.username))
+    user = result.scalar_one_or_none()
+    if not user or not verify_password(form.password, user.hashed_password):
+        raise HTTPException(status_code=401, detail="Incorrect email or password")
+
+    return Token(access_token=create_access_token(user.id))

backend/app/routers/users.py

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+from fastapi import APIRouter, Depends
+
+from app.deps import get_current_user
+from app.models.user import User
+from app.schemas.user import UserOut
+
+router = APIRouter()
+
+
+@router.get("/me", response_model=UserOut)
+async def get_me(current_user: User = Depends(get_current_user)):
+    return current_user