Remove unused imports across multiple files to clean up the codebase

tests/test_auth.py

@@ -8,11 +8,10 @@ from __future__ import annotations
 
 import time
 
-import pytest
 from jose import jwt
 
 from app.config.settings import settings
-from tests.conftest import auth_header, make_jwt, TEST_USER_IDS
+from tests.conftest import auth_header, TEST_USER_IDS
 
 
 # ── TestRegister ──────────────────────────────────────────────────────