feat(pos): WhatsApp Business API integration — send/receive messages, quotations

Add full WhatsApp Cloud API integration for Nexus POS:
- Service layer (whatsapp_service.py): send text, templates, quotations,
  order confirmations, stock alerts; process incoming webhooks with AI auto-reply
- Blueprint (whatsapp_bp.py): public webhook endpoints for Meta verification +
  incoming messages; authenticated endpoints for send, send-quote, conversations
- Conversation UI (whatsapp.html + whatsapp.js): split-panel messenger with
  conversation list, chat bubbles, send input, quote sending; both themes
- Migration v1.4: whatsapp_messages table with phone/direction/status indexes
- Config: WHATSAPP_TOKEN, WHATSAPP_PHONE_ID, WHATSAPP_VERIFY_TOKEN env vars
- Sidebar: WhatsApp nav item under Gestion with message-bubble icon
- Ready for Meta Business credentials (infrastructure complete, no API keys needed)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-04 02:42:17 +00:00
parent 840790a4d0
commit c645bc03f3
9 changed files with 1451 additions and 0 deletions

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@@ -14,6 +14,8 @@ MIGRATIONS_DIR = os.path.dirname(os.path.abspath(__file__))
MIGRATIONS = {
'v1.0': 'v1.0_initial.sql',
'v1.1': 'v1.1_pos_tables.sql',
'v1.3': 'v1.3_fleet.sql',
'v1.4': 'v1.4_whatsapp.sql',
}