refactor: migrate workflow actions to runtime config snapshot

app/application/configuration.py

@@ -140,6 +140,8 @@ class ChainRuntimeConfig:
     """Chain 在一次宿主生命周期内使用的基础配置快照。"""
 
     media_extensions: tuple[str, ...]
+    api_port: int = 3000
+    api_token: str | None = None
     video_extensions: tuple[str, ...] = ()
     subtitle_extensions: tuple[str, ...] = ()
     audio_extensions: tuple[str, ...] = ()
@@ -198,6 +200,7 @@ class ChainRuntimeConfig:
     refresh_batch_size: int = 50
     torrent_cache_size: int = 1000
     site_url: Optional[str] = None
+    workflow_url: Optional[str] = None
     season_zero_names: tuple[str, ...] = ()
     movie_rename_format: str = ""
     television_rename_format: str = ""

app/startup/configuration.py

@@ -87,6 +87,8 @@ def build_chain_runtime_config(settings: Settings) -> ChainRuntimeConfig:
             + settings.RMT_SUBEXT
             + settings.RMT_AUDIOEXT
         ),
+        api_port=settings.PORT,
+        api_token=settings.API_TOKEN,
         video_extensions=tuple(settings.RMT_MEDIAEXT),
         subtitle_extensions=tuple(settings.RMT_SUBEXT),
         audio_extensions=tuple(settings.RMT_AUDIOEXT),
@@ -147,6 +149,7 @@ def build_chain_runtime_config(settings: Settings) -> ChainRuntimeConfig:
         refresh_batch_size=settings.CONF.refresh,
         torrent_cache_size=settings.CONF.torrents,
         site_url=settings.MP_DOMAIN("#/site"),
+        workflow_url=settings.MP_DOMAIN("#/workflow"),
         season_zero_names=tuple(settings.RENAME_FORMAT_S0_NAMES),
         movie_rename_format=settings.RENAME_FORMAT(MediaType.MOVIE),
         television_rename_format=settings.RENAME_FORMAT(MediaType.TV),

app/workflow/actions/fetch_medias.py

@@ -4,9 +4,10 @@ from pydantic import Field
 
 from app.workflow.actions import BaseAction
 from app.chain.recommend import RecommendChain
+from app.application.configuration import get_chain_runtime_config_snapshot
 from app.schemas.workflow import ActionParams
 from app.schemas.workflow import ActionContext
-from app.runtime.config import settings, global_vars
+from app.runtime.config import global_vars
 from app.runtime.events import eventmanager
 from app.runtime.log import logger
 from app.schemas.event import RecommendSourceEventData
@@ -152,7 +153,11 @@ class FetchMediasAction(BaseAction):
                         results = source['func']()
                     else:
                         # 调用内部API获取数据
-                        api_url = f"http://127.0.0.1:{settings.PORT}/api/v1/{source['api_path']}?token={settings.API_TOKEN}"
+                        runtime_config = get_chain_runtime_config_snapshot()
+                        api_url = (
+                            f"http://127.0.0.1:{runtime_config.api_port}"
+                            f"/api/v1/{source['api_path']}?token={runtime_config.api_token}"
+                        )
                         res = RequestUtils(timeout=15).post_res(api_url)
                         if res:
                             results = res.json()
@@ -163,7 +168,11 @@ class FetchMediasAction(BaseAction):
                         logger.error(f"{name} 获取数据失败")
             else:
                 # 调用内部API获取数据
-                api_url = f"http://127.0.0.1:{settings.PORT}{params.api_path}?token={settings.API_TOKEN}"
+                runtime_config = get_chain_runtime_config_snapshot()
+                api_url = (
+                    f"http://127.0.0.1:{runtime_config.api_port}{params.api_path}"
+                    f"?token={runtime_config.api_token}"
+                )
                 res = RequestUtils(timeout=15).post_res(api_url)
                 if res:
                     results = res.json()

app/workflow/actions/send_message.py

@@ -3,10 +3,10 @@ from typing import List, Optional, Union
 from pydantic import Field
 
 from app.workflow.actions import BaseAction, ActionChain
+from app.application.configuration import get_chain_runtime_config_snapshot
 from app.schemas.workflow import ActionParams
 from app.schemas.workflow import ActionContext
 from app.schemas.message import Message
-from app.runtime.config import settings
 
 
 class SendMessageParams(ActionParams):
@@ -58,7 +58,7 @@ class SendMessageAction(BaseAction):
                         userid=params.userid,
                         title="【工作流执行结果】",
                         text=msg_text,
-                        link=settings.MP_DOMAIN("#/workflow")
+                        link=get_chain_runtime_config_snapshot().workflow_url
                     )
                 )
 

docs/refactor/backend-architecture-next-stage.md

@@ -1005,6 +1005,7 @@ MFA/Passkey 专项测试与架构门禁通过，密钥类配置仍保留在安
 共 280 项测试通过，架构、复杂度与异步阻塞门禁通过。
 
 2026-08-23 将工作流动作 `FetchRssAction`、`ScanFileAction` 和 `AddSubscribeAction` 接入 `ChainRuntimeConfig` 快照，分别移除代理、媒体后缀和超级用户的全局 `settings` 读取；保留动作公开入口与工作流上下文行为，新增快照注入测试覆盖。配置债务由 130 个文件降至 127 个文件，宿主依赖与配置基线已更新。
+2026-08-23 将工作流动作 `FetchMediasAction` 和 `SendMessageAction` 接入 `ChainRuntimeConfig` 快照，分别移除内部 API 端口/令牌及工作流链接的全局 `settings` 读取；保留动作公开入口与消息载荷行为，新增快照注入测试覆盖。配置债务由 127 个文件降至 125 个文件，宿主依赖与配置基线已更新。
 
 **收口记录（2026-08-22）**：`reidentify_cache`、`nettest`、`scrape`、OpenAI `chat_completions/responses`、`get_logging` 和 Web Agent SSE 均改为稳定公开入口委托私有编排实现；四个消息交互 Handler 的公开方法也保留 ABI 并委托私有状态机。复杂度基线已清零，API/Application/Chain 入口预算、异步阻塞 ratchet 均通过；复杂度及兼容专项合计 252 项测试通过。
 随后将 `TransferChain.do_transfer` 的公开入口收口为稳定兼容 Facade，先提取媒体身份规范化阶段，保留显式

tests/fixtures/architecture/configuration-debt-baseline.json

@@ -9,7 +9,7 @@
     "root": "app"
   },
   "settings_imports": {
-    "count": 127,
+    "count": 125,
     "files": [
       "app/adapters/cache/backends.py",
       "app/adapters/cache/redis.py",
@@ -135,9 +135,7 @@
       "app/startup/lifecycle/__init__.py",
       "app/startup/modules_initializer.py",
       "app/startup/plugins_initializer.py",
-      "app/startup/routers_initializer.py",
-      "app/workflow/actions/fetch_medias.py",
-      "app/workflow/actions/send_message.py"
+      "app/startup/routers_initializer.py"
     ]
   },
   "system_config_oper_constructions": {