rework ws responses to user, send events to user via ws

machine-client/index.html

@@ -73,7 +73,6 @@
   <button onclick="showForm('mod-user-appearance')">POST /mod/user/appearence</button>
   <button onclick="showForm('mod-user-about')">POST /mod/user/about</button>
   <button onclick="showForm('accept-connection')">POST /mod/connection/accept</button>
-  <button onclick="showForm('delete-connection')" class="warn">POST /mod/connection/delete</button>
   <button onclick="showForm('add-users')">POST /mod/group/addusers</button>
   <button onclick="showForm('remove-users')">POST /mod/group/removeusers</button>
   <button onclick="showForm('group-color')">POST /mod/group/color</button>
@@ -81,6 +80,7 @@
   <button onclick="showForm('get-groups')">POST /get/groups</button>
   <button onclick="showForm('get-connections')">POST /get/connections</button>
   <button onclick="showForm('get-members')">POST /get/group/members</button>
+  <button onclick="showForm('del-user')" class="warn">POST /del/user</button>
   <button onclick="showForm('del-group')" class="warn">POST /del/group</button>
   <button onclick="showForm('del-connection')" class="warn">POST /del/connection</button>
   <button onclick="showForm('get-connection-messages')">POST /get/connection/messages</button>
@@ -164,14 +164,6 @@
       ],
       submit: () => httpPost('/mod/connection/accept', { token:'ca-token', connectionid:'ca-connectionid' })
     },
-    'delete-connection': {
-      title: 'POST /mod/connection/delete — delete connection',
-      fields: [
-        { id: 'cd-token',         label: 'token',        ph: '' },
-        { id: 'cd-connectionid',  label: 'connectionid', ph: 'UUID' },
-      ],
-      submit: () => httpPost('/mod/connection/delete', { token:'cd-token', connectionid:'cd-connectionid' })
-    },
     'add-users': {
       title: 'POST /mod/group/addusers — add users (owner only)',
       fields: [
@@ -230,6 +222,13 @@
       ],
       submit: () => httpPost('/get/group/members', { token:'gm-token', group:'gm-group' })
     },
+    'del-user': {
+      title: 'POST /del/user — delete own account',
+      fields: [
+        { id: 'du-token', label: 'token', ph: '' },
+      ],
+      submit: () => httpPost('/del/user', { token:'du-token' })
+    },
     'del-group': {
       title: 'POST /del/group — delete group (owner only)',
       fields: [