diff --git a/deploy/app.js b/deploy/app.js
index c821573..28650b1 100644
--- a/deploy/app.js
+++ b/deploy/app.js
@@ -692,15 +692,22 @@ var promptModalOverlay = document.getElementById('promptModalOverlay');
 var promptModalTitle = document.getElementById('promptModalTitle');
 var promptName = document.getElementById('promptName');
 var promptNotes = document.getElementById('promptNotes');
-var activePromptId = {extract: '', diff: ''};
+// Три роли промптов:
+//   extract  — извлечение строк из первого документа (базовый договор)
+//   diff     — сравнение допсоглашений (ADD/UPDATE/DELETE)
+//   classify — классификация документа (тип, номер, контрагент, дата)
+var activePromptId = {extract: '', diff: '', classify: ''};
 
 function openPromptModal(role) {
   promptRole = role;
-  promptModalTitle.textContent = 'Промпт: ' + (role === 'extract' ? 'Извлечение' : 'Сравнение');
+  var labels = {extract: 'Извлечение', diff: 'Сравнение', classify: 'Классификация'};
+  promptModalTitle.textContent = 'Промпт: ' + (labels[role] || role);
   document.getElementById('promptTabExtract').style.background = role === 'extract' ? 'var(--brand-primary)' : '';
   document.getElementById('promptTabExtract').style.color = role === 'extract' ? '#fff' : '';
   document.getElementById('promptTabDiff').style.background = role === 'diff' ? 'var(--brand-primary)' : '';
   document.getElementById('promptTabDiff').style.color = role === 'diff' ? '#fff' : '';
+  document.getElementById('promptTabClassify').style.background = role === 'classify' ? 'var(--brand-primary)' : '';
+  document.getElementById('promptTabClassify').style.color = role === 'classify' ? '#fff' : '';
   promptStatus.textContent = '';
   promptName.value = '';
   promptNotes.value = '';
@@ -802,6 +809,8 @@ document.getElementById('promptSave').addEventListener('click', function() {
 
 document.getElementById('promptTabExtract').addEventListener('click', function() { openPromptModal('extract'); });
 document.getElementById('promptTabDiff').addEventListener('click', function() { openPromptModal('diff'); });
+document.getElementById('promptTabClassify').addEventListener('click', function() { openPromptModal('classify'); });
 document.getElementById('promptBtnExtract').addEventListener('click', function() { openPromptModal('extract'); });
 document.getElementById('promptBtnDiff').addEventListener('click', function() { openPromptModal('diff'); });
+document.getElementById('promptBtnClassify').addEventListener('click', function() { openPromptModal('classify'); });
 lucide.createIcons();