feat: 운영 안정성과 세션 음성 경험 개선

apps/api/app/turn_runtime.py

@@ -105,7 +105,7 @@ async def record_completed_turn(
     *,
     context_prefix: str,
     counselor_turn: TurnRecord | None = None,
-) -> None:
+) -> TurnRecord:
     """상담자 발화와 내담자 응답을 한 번에 기록하고 상태를 갱신한다."""
     assert ctx.state_after is not None
     learner_turn = counselor_turn or TurnRecord(
@@ -144,6 +144,7 @@ async def record_completed_turn(
         result.state_after,
         context=f"{context_prefix} state update",
     )
+    return learner_turn
 
 
 async def record_safety_event(
@@ -267,17 +268,20 @@ async def finalize_completed_turn(
     *,
     context_prefix: str,
     counselor_turn: TurnRecord | None = None,
-) -> None:
+    recharge_live_coach: bool = True,
+) -> TurnRecord:
     """Persist a completed turn and emit any derived safety alert in route-safe order."""
-    await record_completed_turn(
+    learner_turn = await record_completed_turn(
         sess,
         ctx,
         result,
         context_prefix=context_prefix,
         counselor_turn=counselor_turn,
     )
-    await maybe_recharge_live_coach_credit(sess, ctx, result)
+    if recharge_live_coach:
+        await maybe_recharge_live_coach_credit(sess, ctx, result)
     await record_safety_event(sess, ctx, result)
+    return learner_turn
 
 
 __all__ = [