修复网站 API 阻塞与积分同步问题

- uvicorn 改用 import string 格式启动 4 workers，防止数据采集阻塞 event loop
- prewarm 去掉 --force-refresh，仅依赖缓存预热避免每 5 分钟全量采集
- 积分变动时同步写入 Supabase user_metadata，避免前端回退路径失败时显示 0 积分
- /api/auth/me 积分解析增加 Supabase email 回退路径

docker-compose.yml

@@ -39,7 +39,7 @@ services:
     container_name: polyweather_prewarm
     restart: unless-stopped
     profiles: ["workers"]
-    command: python scripts/prewarm_dashboard_worker.py --include-detail --include-market --force-refresh
+    command: python scripts/prewarm_dashboard_worker.py --include-detail --include-market
     volumes:
       - ${POLYWEATHER_RUNTIME_DATA_DIR:-/var/lib/polyweather}:/var/lib/polyweather
       - ${POLYWEATHER_RUNTIME_DATA_DIR:-/var/lib/polyweather}:/app/data