refactor: keep runtime settings below adapters

app/adapters/external/cookiecloud.py

@@ -1,9 +1,8 @@
 import json
-import importlib
 from typing import Any, Dict, Tuple, Optional
 
-from app.application.configuration import get_runtime_settings
 from app.runtime.log import logger
+from app.runtime.settings import get_runtime_setting
 from app.foundation.crypto import CryptoJsUtils, HashUtils
 from app.adapters.network.http import RequestUtils
 from app.domain import site as site_rules
@@ -13,11 +12,7 @@ from app.foundation.url import UrlUtils
 
 def _runtime_setting(key: str) -> Any:
     """读取 CookieCloud 配置服务，未装配时回退旧 Settings ABI。"""
-    try:
-        return get_runtime_settings().get(key)
-    except RuntimeError:
-        legacy_settings = importlib.import_module("app.runtime.config").settings
-        return getattr(legacy_settings, key)
+    return get_runtime_setting(key)
 
 
 class CookieCloudHelper:

app/adapters/external/ocr.py

@@ -1,9 +1,8 @@
 import base64
-import importlib
 from typing import Optional
 
-from app.application.configuration import get_runtime_settings
 from app.adapters.network.http import RequestUtils
+from app.runtime.settings import get_runtime_setting
 
 
 class OcrHelper:
@@ -14,11 +13,7 @@ class OcrHelper:
     def __init__(self, ocr_base_url: Optional[str] = None) -> None:
         """初始化 OCR 服务地址，优先使用组合根设置快照。"""
         if ocr_base_url is None:
-            try:
-                ocr_base_url = get_runtime_settings().get("OCR_HOST")
-            except RuntimeError:
-                legacy_settings = importlib.import_module("app.runtime.config").settings
-                ocr_base_url = legacy_settings.OCR_HOST
+            ocr_base_url = get_runtime_setting("OCR_HOST")
         self._ocr_b64_url = f"{str(ocr_base_url).rstrip('/')}/captcha/base64"
 
     def get_captcha_text(