회기 무발화 0턴 분리, 자기예측 락 불변식 및 TDD 회귀 검증 완료

apps/api/app/routes/voice.py

@@ -39,6 +39,7 @@ from ..persona_repository import (
     get_session_voice_map,
 )
 from ..runtime_policy import require_runtime_fallback_allowed
+from ..session_turn_memory import build_turn_memory
 from ..services import (
     evaluator,
     guardrail,
@@ -1459,12 +1460,7 @@ async def _prepare_voice_turn_context(
         state=sess.state,
         learner_text=learner_text,
         learner_identity=sess.learner_label,
-        memory=orchestrator.TurnMemory(
-            recall_summary=recall.recall_summary,
-            pinned_facts=recall.pinned_facts,
-            recent_turns=sess.recent_turns(visible_to="client"),
-            kb_behavior_cues=kb_cues,
-        ),
+        memory=build_turn_memory(sess, recall, kb_cues),
         theory_mode=sess.theory_mode,
         scenario_context=scenario_context,
     )