refactor: 重构 Agent 模块为 AgentScope，删除旧版 CrewAI/LiteLLM 实现

backend/src/core/config/initial/init_data.py

@@ -9,7 +9,7 @@ from pydantic import BaseModel, ValidationError
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from core.agent.domain.system_agent_config import SystemAgentLLMConfig
+from core.agentscope.schemas.system_agent_config import SystemAgentLLMConfig
 from core.db.session import AsyncSessionLocal
 from core.logging import get_logger
 from models.llm import Llm