Release QMAX 1.0.0 with customizable themes

pymax-worker/src/server.py

@@ -438,6 +438,7 @@ class PyMaxRuntime:
             @client.on_start()
             async def on_start(c: Client) -> None:
                 self.client = c
+                self.last_error = None
                 me = getattr(c, "me", None)
                 self.last_title = str(getattr(me, "first_name", "") or getattr(me, "name", "") or "PyMax")
                 self.last_started_at = utc_now()