Add first turn option

api/app/routers/assistants.py

@@ -20,6 +20,7 @@ def _is_siliconflow_vendor(vendor: Optional[str]) -> bool:
 def _resolve_runtime_metadata(db: Session, assistant: Assistant) -> dict:
     metadata = {
         "systemPrompt": assistant.prompt or "",
+        "firstTurnMode": assistant.first_turn_mode or "bot_first",
         "greeting": assistant.opener or "",
         "generatedOpenerEnabled": bool(assistant.generated_opener_enabled),
         "output": {"mode": "audio" if assistant.voice_output_enabled else "text"},
@@ -104,6 +105,7 @@ def assistant_to_dict(assistant: Assistant) -> dict:
         "id": assistant.id,
         "name": assistant.name,
         "callCount": assistant.call_count,
+        "firstTurnMode": assistant.first_turn_mode or "bot_first",
         "opener": assistant.opener or "",
         "generatedOpenerEnabled": bool(assistant.generated_opener_enabled),
         "prompt": assistant.prompt or "",
@@ -131,6 +133,7 @@ def assistant_to_dict(assistant: Assistant) -> dict:
 def _apply_assistant_update(assistant: Assistant, update_data: dict) -> None:
     field_map = {
         "knowledgeBaseId": "knowledge_base_id",
+        "firstTurnMode": "first_turn_mode",
         "interruptionSensitivity": "interruption_sensitivity",
         "botCannotBeInterrupted": "bot_cannot_be_interrupted",
         "configMode": "config_mode",
@@ -192,6 +195,7 @@ def create_assistant(data: AssistantCreate, db: Session = Depends(get_db)):
         id=str(uuid.uuid4())[:8],
         user_id=1,  # 默认用户，后续添加认证
         name=data.name,
+        first_turn_mode=data.firstTurnMode,
         opener=data.opener,
         generated_opener_enabled=data.generatedOpenerEnabled,
         prompt=data.prompt,