diff --git a/machine-client/index.html b/machine-client/index.html
index 4ffd848..82b33a2 100644
--- a/machine-client/index.html
+++ b/machine-client/index.html
@@ -56,6 +56,7 @@
 <div class="config">
   <label>Base URL: </label>
   <input id="baseUrl" value="http://localhost:8080">
+  <span id="current-user" style="margin-left:14px;color:#666;font-size:0.85em"></span>
 </div>
 
 <div id="log-header">
@@ -86,7 +87,6 @@
   <button data-form="msg-user"                 onclick="showForm('msg-user')">POST /connection/message</button>
   <button data-form="hub-create"               onclick="showForm('hub-create')">POST /hub</button>
   <button data-form="hub-join"                 onclick="showForm('hub-join')">PUT /hub/join</button>
-  <button data-form="channel-message"          onclick="showForm('channel-message')">POST /channel/message</button>
   <button data-form="websocket"                onclick="showForm('websocket')">WS /ws</button>
 </div>
 
@@ -246,16 +246,6 @@
     <div class="form-actions"><button class="send" onclick="submit('hub-join')">Send</button></div>
   </div>
 
-  <!-- POST /channel/message -->
-  <div class="form-content" id="fc-channel-message">
-    <div class="field"><label>token</label><input id="cm-token" placeholder=""></div>
-    <div class="field"><label>hubid</label><input id="cm-hubid" placeholder="UUID"></div>
-    <div class="field"><label>channelid</label><input id="cm-channelid" placeholder="UUID"></div>
-    <div class="field"><label>msgContent</label><input id="cm-msgContent" placeholder="message text (optional if file set)"></div>
-    <div class="field"><label>attachedFile</label><input id="cm-attachedFile" placeholder="key from POST /file (optional)"></div>
-    <div class="form-actions"><button class="send" onclick="submit('channel-message')">Send</button></div>
-  </div>
-
   <!-- WS /ws -->
   <div class="form-content" id="fc-websocket">
     <div class="form-actions" style="margin-bottom:10px">
@@ -278,6 +268,7 @@
   let ws = null;
   let activeForm = null;
   let currentToken = '';
+  let currentUserId = '';
 
   // method, path, which field ids go where
   // dest: 'header' | 'body' | 'query'
@@ -297,7 +288,6 @@
     'msg-user':                { method:'POST',   path:'/connection/message',     title:'POST /connection/message — send direct message', fields:[{id:'mu-token',dest:'header',name:'token'},{id:'mu-connectionid',dest:'body',name:'connectionid'},{id:'mu-msgContent',dest:'body',name:'msgContent'},{id:'mu-attachedFile',dest:'body',name:'attachedFile'}] },
     'hub-create':              { method:'POST',   path:'/hub',                    title:'POST /hub — create a new hub',                fields:[{id:'hc-token',dest:'header',name:'token'},{id:'hc-hubname',dest:'body',name:'hubname'}] },
     'hub-join':                { method:'PUT',    path:'/hub/join',               title:'PUT /hub/join — join hub (hubid as header)',  fields:[{id:'hj-token',dest:'header',name:'token'},{id:'hj-hubid',dest:'header',name:'hubid'}] },
-    'channel-message':         { method:'POST',   path:'/channel/message',        title:'POST /channel/message — send hub channel msg',fields:[{id:'cm-token',dest:'header',name:'token'},{id:'cm-hubid',dest:'body',name:'hubid'},{id:'cm-channelid',dest:'body',name:'channelid'},{id:'cm-msgContent',dest:'body',name:'msgContent'},{id:'cm-attachedFile',dest:'body',name:'attachedFile'}] },
     'mod-user-avatar':         { title:'PATCH /user/avatar — set avatar image' },
     'mod-user-profilebg':      { title:'PATCH /user/profilebg — set profile background' },
     'file-upload':             { title:'POST /file — upload file (multipart)' },
@@ -403,7 +393,13 @@
       log('HTTP ' + resp.status, text, resp.ok ? 'log-http' : 'log-err');
 
       if (method === 'POST' && path === '/token' && resp.ok) {
-        try { currentToken = JSON.parse(text).token; } catch(e) {}
+        try {
+          const parsed = JSON.parse(text);
+          currentToken = parsed.token || '';
+          currentUserId = parsed.userId || '';
+        } catch(e) {}
+        const userEl = document.getElementById('current-user');
+        if (userEl) userEl.textContent = currentUserId ? 'userId: ' + currentUserId : '';
         autofillTokens();
         wsConnectAndAuth();
       }