refactor(backend): 重构 agentscope 运行时模块

backend/src/core/agentscope/runtime/tasks.py

@@ -12,6 +12,7 @@ from core.agentscope.events import (
     RedisStreamBus,
     SqlAlchemyEventStore,
 )
+from core.agentscope.runtime.context_service import AgentContextService
 from core.agentscope.runtime.orchestrator import AgentScopeRuntimeOrchestrator
 from core.agentscope.schemas.agui_input import parse_run_input
 from core.auth.models import CurrentUser
@@ -26,7 +27,7 @@ from schemas.messages.chat_message import (
 from schemas.user import UserContext
 from services.base.redis import get_or_init_redis_client
 from services.base.supabase import supabase_service
-from v1.agent.dependencies import get_agent_service
+from v1.agent.repository import AgentRepository
 from v1.users.dependencies import get_user_service
 
 logger = get_logger("core.agentscope.runtime.tasks")
@@ -78,9 +79,13 @@ async def _build_recent_context_messages(
     *,
     session: Any,
     thread_id: str,
+    system_agent_mode: str,
 ) -> list[Msg]:
-    agent_service = get_agent_service(session)
-    result = await agent_service.load_agent_input_messages(thread_id=thread_id)
+    context_service = AgentContextService(repository=AgentRepository(session))
+    result = await context_service.load_context_messages(
+        thread_id=thread_id,
+        system_agent_mode=system_agent_mode,
+    )
     if not result:
         return []
 
@@ -165,6 +170,7 @@ async def run_agentscope_task(command: dict[str, Any]) -> dict[str, object]:
     command_type = str(command.get("command", "run")).strip().lower()
     raw_owner_id = command.get("owner_id")
     run_input_raw = command.get("run_input")
+    system_agent_mode = str(command.get("system_agent_mode", "worker")).strip().lower()
 
     if not isinstance(raw_owner_id, str) or not raw_owner_id.strip():
         raise ValueError("owner_id is required")
@@ -205,12 +211,14 @@ async def run_agentscope_task(command: dict[str, Any]) -> dict[str, object]:
         context_messages = await _build_recent_context_messages(
             session=session,
             thread_id=thread_id,
+            system_agent_mode=system_agent_mode,
         )
 
         await runtime.run(
             run_input=run_input,
             context_messages=context_messages,
             user_context=user_context,
+            system_agent_mode=system_agent_mode,
         )
     logger.info(
         "agentscope runtime task completed",