feat: Windows 服务 安装，启动，停止 功能

scientific_surfing/models.py

@@ -3,6 +3,7 @@ Pydantic models for scientific-surfing data structures.
 """
 
 from datetime import datetime
+import os
 from typing import Dict, List, Optional
 from pydantic import BaseModel, Field, validator
 
@@ -14,7 +15,6 @@ class Subscription(BaseModel):
     url: str = Field(..., description="Clash RSS subscription URL")
     status: str = Field(default="inactive", description="Status: active or inactive")
     last_refresh: Optional[datetime] = Field(default=None, description="Last refresh timestamp")
-    file_path: Optional[str] = Field(default=None, description="Path to downloaded file")
     file_size: Optional[int] = Field(default=None, description="Size of downloaded file in bytes")
     status_code: Optional[int] = Field(default=None, description="HTTP status code of last refresh")
     content_hash: Optional[int] = Field(default=None, description="Hash of downloaded content")
@@ -31,6 +31,8 @@ class Subscription(BaseModel):
             datetime: lambda v: v.isoformat() if v else None
         }
 
+    def get_file_path(self, config_dir: str):
+        return os.path.join(config_dir, "subscriptions", f"{self.name}.yml")
 
 class Config(BaseModel):
     """Model for application configuration."""