전 저장소 리팩터링과 SSOT 정비

apps/api/app/services/memory.py

@@ -20,7 +20,7 @@ from __future__ import annotations
 
 import re
 from dataclasses import dataclass, field
-from typing import Any, Callable, Literal, Optional
+from typing import Any, Literal, Optional
 
 from .state_machine import SessionState
 from ..taxonomy import speaker_ko_label