muse-chat-api: add navigate command for thread URLs

bin/muse-chat-api.py

@@ -3,7 +3,7 @@
 Usage:
   muse-chat-api.py send "hello"          # send message to current chat
   muse-chat-api.py messages             # print recent messages
-  muse-chat-api.py wait [timeout]       # wait for new response
+  muse-chat-api.py wait [timeout]       # wait for new response\n  muse-chat-api.py navigate <url>       # go to thread URL
 Requires: websocket-client (pip install --break-system-packages websocket-client)
 CDP relay must be up: http://10.201.87.2:9410/json/list
 """
@@ -58,6 +58,16 @@ Array.from(document.querySelectorAll('p')).slice(-{limit}).map(e=>e.innerText).j
     finally:
         ws.close()
 
+def navigate(url):
+    """Navigate to a URL (e.g., a thread: https://muse.ai/thread/<id>)."""
+    ws = connect()
+    try:
+        ws.send(json.dumps({"id":1,"method":"Page.navigate","params":{"url":url}}))
+        r = json.loads(ws.recv())
+        return r.get('result',{}).get('frameId','navigated')
+    finally:
+        ws.close()
+
 def wait_for_response(timeout=60, poll=2):
     """Wait for a new assistant message after sending."""
     ws = connect()
@@ -87,6 +97,8 @@ if __name__ == "__main__":
         print(send_message(sys.argv[2]))
     elif cmd == "messages":
         print(get_messages(int(sys.argv[2]) if len(sys.argv)>2 else 10))
+    elif cmd == "navigate" and len(sys.argv) > 2:
+        print(navigate(sys.argv[2]))
     elif cmd == "wait":
         print(wait_for_response(int(sys.argv[2]) if len(sys.argv)>2 else 60))
     else: