refactor(backend): 更新 agent 服务和配置层

backend/src/schemas/agent/__init__.py

@@ -3,17 +3,11 @@ from schemas.agent.forwarded_props import (
     parse_forwarded_props_client_time,
 )
 from schemas.agent.runtime_models import (
+    AgentOutput,
     ResultType,
-    RouterAgentOutput,
-    RouterUiDecision,
     RunStatus,
     ToolAgentOutput,
     ToolStatus,
-    UiMode,
-    WorkerAgentOutput,
-    WorkerAgentOutputLite,
-    WorkerAgentOutputRich,
-    resolve_worker_output_model,
 )
 from schemas.agent.system_agent import AgentType, SystemAgentLLMConfig
 from schemas.agent.ui_hints import (
@@ -26,23 +20,17 @@ from schemas.agent.ui_hints import (
 
 __all__ = [
     "AgentType",
+    "AgentOutput",
     "ClientTimeContext",
     "ResultType",
-    "RouterAgentOutput",
-    "RouterUiDecision",
     "RunStatus",
     "SystemAgentLLMConfig",
     "ToolAgentOutput",
     "ToolStatus",
-    "UiMode",
     "UiHintAction",
     "UiHintIntent",
     "UiHintSection",
     "UiHintStatus",
     "UiHintsPayload",
-    "WorkerAgentOutputLite",
-    "WorkerAgentOutputRich",
-    "WorkerAgentOutput",
-    "resolve_worker_output_model",
     "parse_forwarded_props_client_time",
 ]