fix(monitor): 消除探测饿死与重试饥饿导致的跨目录连坐 (#6291)

app/monitor/syslimits.py

@@ -15,17 +15,17 @@ def count_directory_entries(directory: Path, max_check: int = 10000) -> Tuple[in
     :param max_check: 最大检查文件数量，避免长时间阻塞
     :return: (文件数量, 目录数量)
     """
-    file_count = 0
-    dir_count = 0
     try:
-        for _, dirs, files in os.walk(str(directory)):
-            file_count += len(files)
-            dir_count += len(dirs)
-            if file_count > max_check:
-                break
+        # 走可强杀的子进程：挂载挂死时 os.walk 永不返回，会把启动重试的
+        # 恢复动作永久钉死，进而饿死其他健康目录的待重试项
+        # 延迟导入：filemanager 包的 __init__ 会拖入整条 chain 依赖，
+        # 模块级导入会破坏 monitor 包的轻量加载
+        from app.modules.filemanager.fsproxy import fsproxy
+        result = fsproxy.count_entries(directory, max_check=max_check)
+        return result.get("file_count", 0), result.get("dir_count", 0)
     except Exception as err:
         logger.debug(f"统计目录规模失败: {err}")
-    return file_count, dir_count
+    return 0, 0
 
 
 def count_directory_files(directory: Path, max_check: int = 10000) -> int: