feat: память сессии — контекст диалога, кнопка Сброс

public/index.html

@@ -21,6 +21,7 @@
   <div id="controls">
     <button id="btnRecord">🎙 Записать</button>
     <button id="btnPlay" disabled>▶ Прослушать</button>
+    <button id="btnReset">🗑 Сброс</button>
   </div>
 
   <div id="status"></div>
@@ -37,7 +38,7 @@
 
     let mediaRecorder, chunks = [], userBlob = null;
     let isRecording = false, micAnalyser = null, micAnimId = null;
-    let audioContext = null;
+    let audioContext = null, sessionSid = null;
 
     function setStatus(msg) { status.textContent = msg; }
 
@@ -133,10 +134,12 @@
         const cRes = await fetch('/api/chat', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ model: 'gpt-oss-120b', message: text }),
-          signal: (() => { const ac = new AbortController(); setTimeout(() => ac.abort(), 60000); return ac.signal; })(),
+          body: JSON.stringify({ model: 'gpt-oss-120b', message: text, sid: sessionSid }),
+          signal: (() => { const ac = new AbortController(); setTimeout(() => ac.abort(), 120000); return ac.signal; })(),
         });
         const cData = await cRes.json();
+        if (cData.sid) sessionSid = cData.sid;
+        const cData = await cRes.json();
         chat.innerHTML += '<div class="bot">🤖 GPT-OSS: ' + (cData.response || cData.error || 'Ошибка') + '</div>';
         chat.scrollTop = chat.scrollHeight;
         setStatus('✅ Готово');
@@ -149,6 +152,17 @@
       userBlob = null;
       btnPlay.disabled = true;
     }
+
+    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('🧹 История очищена');
+    };
   </script>
 </body>
 </html>

server.js

@@ -40,29 +40,63 @@ 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 } = req.body;
+    const { model, message, sid, history } = req.body;
     const m = MODELS[model];
-    if (!m) return res.status(400).json({ error: 'Unknown 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,
+      { role: 'user', content: message || 'Привет' },
+    ];
+
+    // Обрезаем чтобы не выйти за лимит токенов
+    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: [
-          { role: 'system', content: m.system },
-          { role: 'user', content: message || 'Привет' },
-        ],
+        messages: fullMessages,
       }),
     });
     const data = await r.json();
-    res.json({ response: data.choices?.[0]?.message?.content || 'Нет ответа' });
+    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 });
   } 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}`));