完善跨平台回放与实时状态更新

backend/config.py

@@ -1,16 +1,22 @@
 from pydantic_settings import BaseSettings
+from pathlib import Path
 from typing import Literal
 
 
+APP_DIR = Path(__file__).resolve().parent
+DEFAULT_DATA_DIR = APP_DIR / "data"
+DEFAULT_DATA_DIR.mkdir(parents=True, exist_ok=True)
+
+
 class Settings(BaseSettings):
-    database_url: str = "sqlite+aiosqlite:///./data.db"
+    database_url: str = f"sqlite+aiosqlite:///{(DEFAULT_DATA_DIR / 'streamcore.db').as_posix()}"
     admin_password: str = "admin123"
 
     media_origin_host: str = "127.0.0.1"
     media_origin_rtmp_port: int = 1935
     media_origin_api_port: int = 9997
     media_origin_hls_port: int = 8888
-    replay_media_dir: str = "/workspace/media"
+    replay_media_dir: str = str(APP_DIR.parent / "media")
     hls_segment_seconds: int = 4
 
     edge_nodes: list[dict] = [