feat: add ACK mechanism for WS execute_js + timeout diagnostics

- TMWebDriver: add self.acks dict, HTTP implicit ACK on longpoll dequeue, WS explicit ACK handler, enhanced timeout diagnostics (4 cases)
- Fix: data.get('type') in 'result' -> == 'result'
- JS userscript: send ACK on script receive
- tgapp: fix proxy URL prefix
- mykey_template: add tg/proxy fields

stapp.py

@@ -23,8 +23,7 @@ agent = init()
 
 st.title("🖥️ Cowork")
 
-if 'autonomous_enabled' not in st.session_state:
-    st.session_state.autonomous_enabled = False
+if 'autonomous_enabled' not in st.session_state: st.session_state.autonomous_enabled = False
 
 @st.fragment
 def render_sidebar():