refactor: route monitor and resource settings through runtime

app/monitor/dispatcher.py

@@ -6,7 +6,6 @@ from typing import Any, Dict, List, Optional, Tuple
 
 from app.chain.transfer import TransferChain
 from app.runtime.cache import TTLCache
-from app.runtime.config import settings
 from app.application.directory import DirectoryHelper
 from app.application.history import (
     HistoryGateAction,
@@ -21,6 +20,7 @@ from app.runtime.log import logger
 from app.adapters.system.fsproxy import fsproxy
 from app.schemas.workflow import FileItem
 from app.schemas.types import MediaType
+from app.runtime.settings import get_runtime_setting
 
 
 class TransferDispatcher:
@@ -39,7 +39,10 @@ class TransferDispatcher:
         :param cache: 去重缓存，默认使用 10 秒 TTL 缓存
         """
         self.all_exts = all_exts if all_exts is not None else (
-                settings.RMT_MEDIAEXT + settings.RMT_SUBEXT + settings.RMT_AUDIOEXT)
+            get_runtime_setting("RMT_MEDIAEXT")
+            + get_runtime_setting("RMT_SUBEXT")
+            + get_runtime_setting("RMT_AUDIOEXT")
+        )
         self._cache = cache if cache is not None else TTLCache(region="monitor", maxsize=1024, ttl=10)
         self._lock = Lock()
         # 历史查询失败待重试的文件
@@ -76,7 +79,7 @@ class TransferDispatcher:
         """
         判断监控事件路径是否需要进入整理链。
         """
-        if self._has_suffix_in(file_path, settings.DOWNLOAD_TMPEXT):
+        if self._has_suffix_in(file_path, get_runtime_setting("DOWNLOAD_TMPEXT")):
             return False
         return self._has_suffix_in(file_path, self.all_exts)
 

app/monitor/monitor.py

@@ -7,7 +7,6 @@ from typing import Any, Callable, Dict, List, Optional, Tuple
 
 from apscheduler.schedulers.background import BackgroundScheduler
 
-from app.runtime.config import settings
 from app.application.directory import DirectoryHelper
 from app.application.messaging.message import MessageHelper
 from app.runtime.log import logger
@@ -21,6 +20,7 @@ from app.schemas.types import SystemConfigKey
 from app.runtime.reload import ConfigReloadMixin
 from app.foundation.singleton import SingletonClass
 from app.adapters.system.host import SystemUtils
+from app.runtime.settings import get_runtime_setting
 
 
 class Monitor(ConfigReloadMixin, metaclass=SingletonClass):
@@ -172,7 +172,7 @@ class Monitor(ConfigReloadMixin, metaclass=SingletonClass):
         logger.info(f"找到 {len(monitor_dirs)} 个目录监控配置")
 
         # 启动定时服务进程
-        self._scheduler = BackgroundScheduler(timezone=settings.TZ)
+        self._scheduler = BackgroundScheduler(timezone=get_runtime_setting("TZ"))
 
         mon_storages: Dict[str, List[Path]] = {}
         # 本地监控启动结果计数，用于输出真实的启动总结
@@ -285,7 +285,7 @@ class Monitor(ConfigReloadMixin, metaclass=SingletonClass):
             # 网络/FUSE 挂载轮询降频，减少监控自身对挂载后端的持续 stat 压力
             poll_delay_ms = None
             if use_polling and SystemUtils.is_network_filesystem(mon_path):
-                poll_delay_ms = (settings.MONITOR_POLL_DELAY_NETWORK
+                poll_delay_ms = (get_runtime_setting("MONITOR_POLL_DELAY_NETWORK")
                                  or LocalDirectoryWatcher.POLL_DELAY_NETWORK_MS)
                 logger.info(f"检测到网络文件系统，轮询扫描间隔调整为 {poll_delay_ms}ms: {mon_path}")
 

app/monitor/snapshot.py

@@ -3,8 +3,8 @@ import time
 from typing import Dict, List, Optional, Tuple
 
 from app.runtime.cache import FileCache
-from app.runtime.config import settings
 from app.runtime.log import logger
+from app.runtime.settings import get_runtime_setting
 
 
 class SnapshotStore:
@@ -18,7 +18,9 @@ class SnapshotStore:
         初始化快照存储。
         :param cache: 快照文件缓存，默认使用 CACHE_PATH/snapshots
         """
-        self._cache = cache if cache is not None else FileCache(base=settings.CACHE_PATH / "snapshots")
+        self._cache = cache if cache is not None else FileCache(
+            base=get_runtime_setting("CACHE_PATH") / "snapshots"
+        )
 
     def save(self, storage: str, snapshot: Dict, file_count: int = 0,
              last_snapshot_time: Optional[float] = None,

app/monitor/syslimits.py

@@ -2,9 +2,9 @@ import platform
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Tuple
 
-from app.runtime.config import settings
 from app.runtime.log import logger
 from app.adapters.system.host import SystemUtils
+from app.runtime.settings import get_runtime_setting
 
 
 def count_directory_entries(directory: Path, max_check: int = 10000) -> Tuple[int, int]:
@@ -123,7 +123,7 @@ def decide_monitor_mode(directory: Path,
 
     # 检查网络文件系统
     if SystemUtils.is_network_filesystem(directory):
-        if not settings.MONITOR_NETWORK_FAST_MODE:
+        if not get_runtime_setting("MONITOR_NETWORK_FAST_MODE"):
             return True, "检测到网络文件系统，建议使用兼容模式", None, None
         # 用户已确认该挂载支持 inotify，继续走快速模式的系统限制检查
         logger.info(f"检测到网络文件系统，但已配置允许快速模式: {directory}")

app/monitor/watcher.py

@@ -7,8 +7,8 @@ from typing import Any, Optional
 
 from watchfiles import Change, DefaultFilter, watch
 
-from app.runtime.config import settings
 from app.runtime.log import logger
+from app.runtime.settings import get_runtime_setting
 
 
 @dataclass(frozen=True)
@@ -285,7 +285,9 @@ class LocalDirectoryWatcher:
         配置，配置热更新后无需重建监控线程即可生效；解析失败或未配置时回退默认值。
         :return: 重扫轮次延迟秒数元组
         """
-        return self._parse_rescan_delays(getattr(settings, "MONITOR_RESCAN_DELAYS", None))
+        return self._parse_rescan_delays(
+            get_runtime_setting("MONITOR_RESCAN_DELAYS")
+        )
 
     @classmethod
     def _parse_rescan_delays(cls, raw: Optional[str]) -> tuple[int, ...]: