refactor: unify host agent runtime access

app/api/endpoints/agent.py

@@ -37,10 +37,8 @@ from app.api.presentation.sse import build_sse_error_response, build_sse_respons
 from app.agent.contracts import ReplyMode, build_display_message
 from app.agent.llm.capability import AgentCapabilityManager
 from app.agent.mcp import agent_mcp_manager
-from app.agent.runtime_loader import (
-    get_moviepilot_agent_type,
-    get_running_agent_manager,
-)
+from app.agent.runtime_loader import get_moviepilot_agent_type
+from app.application.agent import get_running_agent_manager
 from app.chain.message import MessageChain
 from app.application.commands import get_command, get_commands
 from app.runtime.config import global_vars

app/api/endpoints/anthropic.py

@@ -22,7 +22,7 @@ from app.api.openai_utils import (
     build_session_id,
 )
 from app.api.presentation.sse import build_sse_response, encode_named_event
-from app.agent.runtime_loader import get_running_agent_manager
+from app.application.agent import get_running_agent_manager
 from app.application.configuration import get_api_runtime_config_snapshot
 from app.adapters.web.security.access import anthropic_api_key_header
 from app.api.context import (

app/api/endpoints/history.py

@@ -14,7 +14,7 @@ from app.schemas.token import TokenPayload as _SchemaTokenPayload
 from app.schemas.history import DownloadHistory as _SchemaDownloadHistory
 from app.api.response import ResponseAPIRouter
 from app.agent.contracts import ReplyMode
-from app.agent.runtime_loader import get_running_agent_manager
+from app.application.agent import get_running_agent_manager
 from app.agent.prompt.transfer_redo import (
     build_batch_manual_redo_prompt,
     build_manual_redo_prompt,

app/api/endpoints/openai.py

@@ -26,10 +26,8 @@ from app.api.openai_utils import (
     build_session_id,
 )
 from app.api.presentation.sse import build_sse_response, encode_data_event
-from app.agent.runtime_loader import (
-    get_moviepilot_agent_type,
-    get_running_agent_manager,
-)
+from app.agent.runtime_loader import get_moviepilot_agent_type
+from app.application.agent import get_running_agent_manager
 from app.agent.contracts import ReplyMode
 from app.application.configuration import get_api_runtime_config_snapshot
 from app.adapters.web.security.access import openai_bearer_scheme

app/application/agent.py

@@ -78,6 +78,8 @@ def get_agent_manager() -> Any:
 
 def get_running_agent_manager() -> Any | None:
     """返回已进入 RUNNING 的 AgentManager，不触发实现物化。"""
+    if _running_agent_manager_provider is None:
+        return None
     return _resolve(_running_agent_manager_provider, "running_agent_manager")
 
 

app/scheduler.py

@@ -1580,7 +1580,7 @@ class Scheduler(ConfigReloadMixin, metaclass=SingletonClass):
         :param trigger_source: 触发入口，scheduled-自动调度，manual-显式立即执行
         :return: 执行是否成功及结果摘要
         """
-        from app.agent.runtime_loader import get_running_agent_manager
+        from app.application.agent import get_running_agent_manager
 
         try:
             manager = get_running_agent_manager()
@@ -1993,7 +1993,7 @@ class Scheduler(ConfigReloadMixin, metaclass=SingletonClass):
         """
         智能体心跳唤醒：检查并执行待处理的定时任务
         """
-        from app.agent.runtime_loader import get_running_agent_manager
+        from app.application.agent import get_running_agent_manager
 
         manager = get_running_agent_manager()
         if manager is None: