feat: add dialog_summaries creation and fix memory integration

- Add create_dialog_summary() method to MemoryClient
- Fix syntax error in http_api.py (extra comma)
- Add CloudFlare tunnel setup instructions
- Gateway now logs conversations to Memory Service

CLOUDFLARE_TUNNEL_SETUP.md

@@ -0,0 +1,75 @@
+# CloudFlare Tunnel Setup для Telegram Bot
+
+## Швидке налаштування
+
+### 1. Встановити cloudflared
+
+```bash
+# На сервері
+curl -L https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64 -o /usr/local/bin/cloudflared
+chmod +x /usr/local/bin/cloudflared
+```
+
+### 2. Авторизуватися
+
+```bash
+cloudflared tunnel login
+```
+
+### 3. Створити тунель
+
+```bash
+cloudflared tunnel create dagi-gateway
+```
+
+### 4. Налаштувати route
+
+```bash
+cloudflared tunnel route dns dagi-gateway gateway.daarion.city
+```
+
+### 5. Створити конфіг
+
+Створити файл `~/.cloudflared/config.yml`:
+
+```yaml
+tunnel: <tunnel-id>
+credentials-file: /root/.cloudflared/<tunnel-id>.json
+
+ingress:
+  - hostname: gateway.daarion.city
+    service: http://localhost:9300
+  - service: http_status:404
+```
+
+### 6. Запустити тунель
+
+```bash
+# Як сервіс
+cloudflared tunnel --config ~/.cloudflared/config.yml run dagi-gateway
+
+# Або через systemd
+sudo systemctl enable cloudflared
+sudo systemctl start cloudflared
+```
+
+### 7. Оновити Telegram webhook
+
+```bash
+TELEGRAM_BOT_TOKEN="your-token"
+WEBHOOK_URL="https://gateway.daarion.city/telegram/webhook"
+
+curl -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/setWebhook" \
+  -d "url=${WEBHOOK_URL}"
+```
+
+## Перевірка
+
+```bash
+# Перевірити webhook
+curl "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getWebhookInfo"
+
+# Перевірити тунель
+curl https://gateway.daarion.city/health
+```
+