- Add MercadoLibre OAuth, listings, orders, webhooks and category search
- New marketplace_external_bp.py, meli_service.py, marketplace_external_service.py
- New marketplace_external.html/js with ML management UI
- Inventory: bulk publish to ML with category autocomplete, listing type and shipping selectors
- Inventory: new .btn--meli styles, select/label CSS fixes
- WhatsApp bridge: rate limiting, 440/515/408 error handling, stale watchdog
- DB migration v3.4_meli_integration.sql for marketplace_listings, orders, sync_queue
- Add Celery tasks for ML sync and webhook processing
- Sidebar: MercadoLibre navigation link
- Add 'Corte Z' button in secondary actions panel
- Add modal showing register summary before closing:
- opening amount, total sales, cash sales, change given
- cash movements in/out, cancellations, expected cash
- payment method breakdown and movement detail list
- loadCutX() fetches current register summary (read-only)
- confirmCutZ() calls POST /pos/api/register/cut-z with counted amount
- Auto-fills closing amount with expected cash
- Shows toast with difference after closing
- Resets register state to 'Sin caja abierta' after close
- Bump pos.css and pos.js cache-bust to v=3
- Add 'Open Register' modal with register number and opening amount inputs
- loadRegister now shows clickable warning when no register is open
- checkout() opens register modal instead of plain alert when no register
- Add openRegister() API call to POST /pos/api/register/open
- Expose showOpenRegisterModal, closeOpenRegisterModal, openRegister globally
- Add cache-bust query params to pos.css and pos.js
- Add QWEN (qwen3.6) as primary AI backend with short system prompt
- Hermes remains as fallback with 45s timeout
- Increase QWEN timeout to 35s, max_tokens to 4000
- Add conversation history loading from whatsapp_messages (last 4 msgs)
- Persist detected vehicle in whatsapp_sessions table
- Add 'limpiar chat' / 'nuevo chat' / 'reset' commands to clear history
- Fix CSS conflict: rename whatsapp chat-panel classes to wa-chat-panel
- Fix JS ID conflicts with chat.js widget (waChatPanel, waChatMessages, etc.)
- Improve no-stock response: conversational with alternatives
- Split search_query by | for multi-part lookups
- Add DEMO_PROMPTS.md and DEMO_PROMPTS_V2.md
- Add thermal_printer.py service generating raw ESC/POS bytes for 58mm/80mm printers
- Add /pos/api/sales/<id>/print endpoint (escpos_raw or browser mode)
- Add printer.js with WebUSB and Web Serial support for direct browser-to-printer
- Add thermal print button in ticket modal with connect/print workflow
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
