Add GET for users

backend/app/api/endpoints/auth.py

@@ -58,6 +58,22 @@ async def list_users(
     return users
 
 
+@router.get("/users/{user_id}", response_model=User)
+async def get_user(
+    user_id: int,
+    db: Session = Depends(get_db),
+    current_user = Depends(get_current_admin_user)
+):
+    """Get a specific user's details (admin only)"""
+    user = crud_user.get(db, user_id=user_id)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="User not found"
+        )
+    return user
+
+
 @router.post("/users", response_model=User)
 async def create_user(
     user_in: UserCreate,