fix: use get_running_loop, guard updatedAt, pass auth on wait_ready

app/mihomo.py

@@ -36,12 +36,13 @@ class MihomoClient:
 
         await self.trigger_provider_refresh(name)
 
-        loop = asyncio.get_event_loop()
+        loop = asyncio.get_running_loop()
         deadline = loop.time() + timeout
         while loop.time() < deadline:
             await asyncio.sleep(1)
             data = await self.get_provider(name)
-            if data.get("updatedAt", "") != initial_ts:
+            new_ts = data.get("updatedAt")
+            if new_ts is not None and new_ts != initial_ts:
                 return data.get("proxies", [])
 
         raise TimeoutError(f"Provider {name!r} did not refresh within {timeout}s")
@@ -60,7 +61,7 @@ class MihomoClient:
         for i in range(retries):
             try:
                 async with httpx.AsyncClient() as c:
-                    resp = await c.get(f"{self._base_url}/version", timeout=3.0)
+                    resp = await c.get(f"{self._base_url}/version", timeout=3.0, headers=self._headers)
                     resp.raise_for_status()
                     return
             except Exception: