feat: log URL on chat switch for easier debugging

src/teampulse/monitor.py

@@ -158,10 +158,16 @@ class Monitor:
         presenter: str | None = None
         start_time: datetime | None = None
         collected: list[ChatMessage] = []
+        last_url: str = ""
 
         print("Monitoring aktiv. Poste '!start Name' im Chat um ein Zeitfenster zu starten.")
 
         while True:
+            current_url = self._page.url
+            if current_url != last_url:
+                print(f"  [CHAT] {current_url}")
+                last_url = current_url
+
             try:
                 new_msgs = self.poll_new_messages()
                 for m in new_msgs: