diff --git a/public/index.html b/public/index.html
index 7be2c74..4535335 100644
--- a/public/index.html
+++ b/public/index.html
@@ -52,7 +52,7 @@
 
     let mediaRecorder, chunks = [], userBlob = null;
     let isRecording = false, micAnalyser = null, micAnimId = null;
-    let audioContext = null, sessionSid = null;
+    let audioContext = null, chatHistory = [];
     let thinkStart = 0, thinkTimer = null;
 
     // История — массив {q, a, time}
@@ -191,13 +191,15 @@
         const cRes = await fetch('/api/chat', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ model: 'gpt-oss-120b', message: text, sid: sessionSid }),
+          body: JSON.stringify({ model: 'gpt-oss-120b', message: text, history: chatHistory }),
           signal: (() => { const a = new AbortController(); setTimeout(() => a.abort(), 120000); return a.signal; })(),
         });
         stopThinkTimer();
         const cData = await cRes.json();
-        if (cData.sid) sessionSid = cData.sid;
         const resp = cData.response || cData.error || 'Ошибка';
+        chatHistory.push({ role: 'user', content: text });
+        chatHistory.push({ role: 'assistant', content: resp });
+        if (chatHistory.length > 40) chatHistory = chatHistory.slice(-40);
         chat.innerHTML += '<div class="bot">🤖 ' + fmt(resp) + '</div>';
         chat.scrollTop = chat.scrollHeight;
         setStatus('✅ Готово — ' + ((Date.now() - thinkStart) / 1000).toFixed(1) + 'с');
@@ -223,9 +225,8 @@
     }
     function stopThinkTimer() { if (thinkTimer) { clearInterval(thinkTimer); thinkTimer = null; } }
 
-    document.getElementById('btnReset').onclick = async () => {
-      await fetch('/api/reset', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ sid: sessionSid }) });
-      sessionSid = null; chat.innerHTML = ''; setStatus('🧹 Очищено');
+    document.getElementById('btnReset').onclick = () => {
+      chatHistory = []; chat.innerHTML = ''; setStatus('🧹 Очищено');
     };
   </script>
 </body>
diff --git a/server.js b/server.js
index cdfef69..a4fef17 100644
--- a/server.js
+++ b/server.js
@@ -40,63 +40,34 @@ app.post('/api/whisper', upload.single('audio'), async (req, res) => {
   }
 });
 
-// ====== Session memory ======
-const sessions = {}; // sessionId → messages[]
-
-app.get('/api/history', (req, res) => {
-  const sid = req.query.sid || 'default';
-  res.json({ messages: sessions[sid] || [] });
-});
-
 app.post('/api/chat', async (req, res) => {
   try {
-    const { model, message, sid, history } = req.body;
+    const { model, message, history } = req.body;
     const m = MODELS[model];
     if (!m) return res.status(400).json({ error: 'Неизвестная модель' });
 
-    // Собираем историю: system + предыдущие сообщения + новое
-    const id = sid || 'default';
-    const msgs = history || sessions[id] || [];
     const fullMessages = [
       { role: 'system', content: m.system },
-      ...msgs,
+      ...(history || []),
       { role: 'user', content: message || 'Привет' },
     ];
 
-    // Обрезаем чтобы не выйти за лимит токенов
+    // Обрезаем чтобы не выйти за лимит
     while (JSON.stringify(fullMessages).length > 32000 && fullMessages.length > 2)
       fullMessages.splice(1, 2);
 
     const r = await fetch(`${API_BASE}/v1/chat/completions`, {
       method: 'POST',
       headers: { Authorization: `Bearer ${API_KEY}`, 'Content-Type': 'application/json' },
-      body: JSON.stringify({
-        model: m.id, temperature: m.temp, max_tokens: m.tokens,
-        messages: fullMessages,
-      }),
+      body: JSON.stringify({ model: m.id, temperature: m.temp, max_tokens: m.tokens, messages: fullMessages }),
     });
     const data = await r.json();
-    const response = data.choices?.[0]?.message?.content || 'Нет ответа';
-
-    // Сохраняем историю
-    sessions[id] = [
-      ...msgs,
-      { role: 'user', content: message },
-      { role: 'assistant', content: response },
-    ];
-
-    res.json({ response, sid: id });
+    res.json({ response: data.choices?.[0]?.message?.content || 'Нет ответа' });
   } catch (e) {
     res.status(500).json({ error: e.message });
   }
 });
 
-app.post('/api/reset', (req, res) => {
-  const sid = req.body.sid || 'default';
-  delete sessions[sid];
-  res.json({ ok: true });
-});
-
 app.get('/', (_req, res) => res.sendFile(path.join(__dirname, 'public', 'index.html')));
 
 app.listen(PORT, () => console.log(`Say:${PORT}`));
\ No newline at end of file