diff --git a/public/js/sse.js b/public/js/sse.js
index e6416cb..0943c7f 100644
--- a/public/js/sse.js
+++ b/public/js/sse.js
@@ -84,6 +84,17 @@ function startSSE() {
     refreshDetailIfOpen(tid);
   });
 
+  sseSource.addEventListener('intra_addfield',e=>{
+    const d=JSON.parse(e.data);
+    const item=allData.find((x)=>String(x.task.id)===String(d.task_id));
+    if(item) item.task._addfield_status=d.value||null;
+    if(d.by!==currentUser?.username){
+      showToast(`🔗 ${d.by}: служ. статус → «${d.value||'—'}» #${taskNumFromId(d.task_id)}`,'info');
+    }
+    renderTable();
+    refreshDetailIfOpen(d.task_id);
+  });
+
   sseSource.addEventListener('tasks_updated',e=>{
     const d=JSON.parse(e.data);
     const incomingVersion=Number(d.cache_version||0);
diff --git a/public/js/ui.js b/public/js/ui.js
index 2ce4c4b..f98dfcc 100644
--- a/public/js/ui.js
+++ b/public/js/ui.js
@@ -455,9 +455,8 @@ function intraStatusBadge(task) {
   else if (lc.includes('ожидан') || lc.includes('hold')) cls = 'sb-intra-hold';
   return `<span class="status-badge ${cls}"><span class="dot"></span>${esc(name)}</span>`;
 }
-// ── IntraDesk additional field status badge ───────────────────────
-function intraAddfieldBadge(task) {
-  const val = task._addfield_status;
+// ── IntraDesk additional field — badge helper ─────────────────────
+function _addfieldBadgeHtml(val) {
   if (!val) return '<span style="color:var(--text3);font-size:11px;">—</span>';
   const match = (typeof MARKS_CONFIG !== 'undefined' ? MARKS_CONFIG : [])
     .find((m) => m.label && m.label.toLowerCase() === val.toLowerCase());
@@ -467,6 +466,36 @@ function intraAddfieldBadge(task) {
   }
   return `<span class="status-badge sb-intra-other"><span class="dot"></span>${esc(val)}</span>`;
 }
+
+// ── IntraDesk additional field — interactive picker ───────────────
+function intraAddfieldPickerHtml(task) {
+  const tid = String(task.id);
+  const val = task._addfield_status || null;
+  const cfg = typeof MARKS_CONFIG !== 'undefined' ? MARKS_CONFIG : [];
+  const items = cfg.map((m) => `
+    <div class="isp-item ${val && val.toLowerCase()===m.label.toLowerCase()?'isp-active':''}"
+         onclick="setIntraAddfield('${esc(tid)}','${esc(m.label)}',event)">
+      <span class="isp-dot" style="background:${m.ispColor||m.colorDot||'#1677ff'};"></span>${esc(m.label)}
+    </div>`).join('');
+  const clearItem = `<div class="isp-item${!val?' isp-active':''}" onclick="setIntraAddfield('${esc(tid)}',null,event)">
+    <span class="isp-dot" style="background:var(--text3);"></span><span style="color:var(--text3);">— очистить</span>
+  </div>`;
+  return `<div class="inline-status-picker" onmouseenter="ispShow(this)" onmouseleave="ispHide(this)">
+    ${_addfieldBadgeHtml(val)}
+    <div class="isp-dropdown">
+      <div class="isp-dropdown-inner">${items}${clearItem}</div>
+    </div>
+  </div>`;
+}
+
+async function setIntraAddfield(taskId, value, e) {
+  if (e) e.stopPropagation();
+  const r = await apiPost(`/api/tasks/${taskId}/intra-addfield`, { value: value || null });
+  if (!r?.ok) { showToast(`❌ ${r?.error || 'Ошибка'}`, 'warn'); return; }
+  // Обновляем кеш локально до следующего SSE
+  const item = allData.find((d) => String(d.task.id) === String(taskId));
+  if (item) { item.task._addfield_status = value || null; renderTable(); }
+}
 // Who answered — ring class for avatar
 function whoAnsweredRing(lc){
   if(!lc) return 'ring-none';
@@ -756,7 +785,7 @@ function renderTable(keepPage){
       ${sc('num')    ?`<td><span class="task-num">#${num}</span>${unreadDot}</td>`:''}
       ${sc('title')  ?`<td><div class="task-title-main" title="${esc(task.name)}">${esc(task.name)}</div>${orgName?`<div class="task-title-sub">${esc(orgName)}</div>`:''}</td>`:''}
       ${sc('intrastatus')?`<td>${intraStatusBadge(task)}</td>`:''}
-      ${sc('servstatus') ?`<td>${intraAddfieldBadge(task)}</td>`:''}
+      ${sc('servstatus') ?`<td onclick="event.stopPropagation()">${intraAddfieldPickerHtml(task)}</td>`:''}
       ${sc('status') ?`<td onclick="event.stopPropagation()">${statusPickerHtml(tid)}</td>`:''}
       ${sc('client') ?`<td><div class="client-info">
         <div class="client-avatar ${whoAnsweredRing(lastComment)}" style="background:${avatarColor(authorName)};color:#fff;">${avatarInitials(authorName)}</div>
diff --git a/server.js b/server.js
index 37cc83c..1249f49 100644
--- a/server.js
+++ b/server.js
@@ -790,6 +790,38 @@ app.post('/api/marks', auth, (req, res) => {
   res.json({ ok: true });
 });
 
+// ── IntraDesk additional field (direct set) ───────────────────────
+app.post('/api/tasks/:taskId/intra-addfield', auth, async (req, res) => {
+  const taskId = String(req.params.taskId || '').trim();
+  const { value } = req.body || {};
+  const statusLabel = value ? String(value).trim() : null;
+  if (!taskId) return res.status(400).json({ error: 'task_id required' });
+
+  const s = getSettings();
+  if (!s.api_key) return res.status(400).json({ error: 'API ключ не задан' });
+
+  const cacheRow = db.prepare('SELECT data FROM tasks_cache WHERE id=1').get();
+  const tasks = JSON.parse(cacheRow?.data || '[]');
+  const task = tasks.find((t) => String(t.id) === taskId);
+  if (!task) return res.status(404).json({ error: 'Задача не найдена в кеше' });
+
+  try {
+    await refreshService.updateIntraAdditionalField(task.tasknumber, statusLabel, s.api_key);
+  } catch (e) {
+    console.error('[AddField] IntraDesk update error:', e.message);
+    return res.status(502).json({ error: `Ошибка IntraDesk: ${e.message}` });
+  }
+
+  // Обновляем значение в локальном кеше немедленно
+  task._addfield_status = statusLabel;
+  const now = new Date().toISOString();
+  db.prepare('UPDATE tasks_cache SET data=?, updated_at=? WHERE id=1')
+    .run(JSON.stringify(tasks), now);
+
+  sseBroadcast('intra_addfield', { task_id: taskId, value: statusLabel, by: req.user.username });
+  res.json({ ok: true, value: statusLabel });
+});
+
 // ── Notes ─────────────────────────────────────────────────────────
 app.get('/api/notes', auth, (req, res) => {
   const r = {};