Restructure into full project layout

backend/app/api/routes/auth.py

@@ -0,0 +1,60 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+
+from app.core.database import get_db
+from app.core.security import hash_password, verify_password, create_access_token, create_refresh_token, decode_token
+from app.models.user import User, UserRole
+from app.schemas.user import UserRegister, UserLogin, TokenOut, RefreshRequest, UserOut
+
+router = APIRouter()
+
+
+@router.post("/register", response_model=UserOut, status_code=201)
+async def register(data: UserRegister, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(User).where(User.email == data.email))
+    if result.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Email already registered")
+
+    user = User(
+        email=data.email,
+        hashed_password=hash_password(data.password),
+        display_name=data.display_name,
+        role=UserRole.PENDING,
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    return user
+
+
+@router.post("/login", response_model=TokenOut)
+async def login(data: UserLogin, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(User).where(User.email == data.email))
+    user = result.scalar_one_or_none()
+    if not user or not verify_password(data.password, user.hashed_password):
+        raise HTTPException(status_code=401, detail="Invalid credentials")
+    if not user.is_active:
+        raise HTTPException(status_code=403, detail="Account deactivated")
+
+    return TokenOut(
+        access_token=create_access_token(user.id),
+        refresh_token=create_refresh_token(user.id),
+    )
+
+
+@router.post("/refresh", response_model=TokenOut)
+async def refresh(data: RefreshRequest, db: AsyncSession = Depends(get_db)):
+    user_id = decode_token(data.refresh_token)
+    if not user_id:
+        raise HTTPException(status_code=401, detail="Invalid refresh token")
+
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user or not user.is_active:
+        raise HTTPException(status_code=401, detail="User not found")
+
+    return TokenOut(
+        access_token=create_access_token(user.id),
+        refresh_token=create_refresh_token(user.id),
+    )