refactor(agent): 按需加载 Agent 运行时 (#6336)

app/schemas/agent.py

@@ -1,20 +1,13 @@
 """AI智能体相关数据模型"""
 
 from datetime import datetime
-from enum import Enum
 from typing import Any, List, Literal, Optional, Union
 
 from langchain_core.messages import BaseMessage
 from pydantic import BaseModel, Field, ConfigDict, field_serializer
 
 from app.schemas.common import JsonData
-
-
-class ReplyMode(str, Enum):
-    """Agent 最终回复处理模式（chain 与 agent 层共享的值域）。"""
-
-    DISPATCH = "dispatch"
-    CAPTURE_ONLY = "capture_only"
+from app.schemas.types import ReplyMode
 
 
 class ConversationMemory(BaseModel):

app/schemas/types.py

@@ -22,6 +22,13 @@ MUSIC_SUBSCRIBABLE_TYPES = frozenset({
     MUSIC_ENTITY_ALBUM,
 })
 
+
+class ReplyMode(str, Enum):
+    """Agent 最终回复的投递策略，供编排层与调用层共享。"""
+
+    DISPATCH = "dispatch"
+    CAPTURE_ONLY = "capture_only"
+
 # ListenBrainz 音乐探索能力的参数取值域契约，供入口层校验、链层与模块实现共用
 # ListenBrainz 全站统计支持的周期，取值与官方统计页面完全一致
 LISTENBRAINZ_CHART_RANGES = (