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

mykey_template.py

@@ -22,3 +22,9 @@ claude_config = {
     'apibase':"http://233.145.139.147:3001/",
     'model':"claude-opus"
 }
+
+# If you need them
+# tg_bot_token = '84102K2gYZ...'
+# tg_allowed_users = [6806...]
+
+# proxy = "http://127.0.0.1:2082"