feat: add admin-only RBAC demo endpoint with require_roles

app/routers/auth.py

@@ -8,7 +8,7 @@ from fastapi import APIRouter, Depends
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.database import get_db
-from app.core.security import get_current_user
+from app.core.security import get_current_user, require_roles
 from app.models.user import User
 from app.schemas.auth import (
     LoginRequest,
@@ -51,3 +51,11 @@ async def refresh(
 @router.get("/me", response_model=UserOut)
 async def me(current_user: Annotated[User, Depends(get_current_user)]) -> User:
     return current_user
+
+
+@router.get("/admin-only", response_model=UserOut)
+async def admin_only(
+    current_user: Annotated[User, Depends(require_roles("Admin/Jerome", "Admin/Wahab"))],
+) -> User:
+    """Example RBAC-protected endpoint — only Admins can access."""
+    return current_user