feat: Major WhatsApp integration update with Odoo and pause/resume

## Frontend
- Add media display (images, audio, video, docs) in Inbox
- Add pause/resume functionality for WhatsApp accounts
- Fix media URLs to use nginx proxy (relative URLs)

## API Gateway
- Add /accounts/:id/pause and /accounts/:id/resume endpoints
- Fix media URL handling for browser access

## WhatsApp Core
- Add pauseSession() - disconnect without logout
- Add resumeSession() - reconnect using saved credentials
- Add media download and storage for incoming messages
- Serve media files via /media/ static route

## Odoo Module (odoo_whatsapp_hub)
- Add Chat Hub interface with DOLLARS theme (dark, 3-column layout)
- Add WhatsApp/DRRR theme switcher for chat view
- Add "ABRIR CHAT" button in conversation form
- Add send_message_from_chat() method
- Add security/ir.model.access.csv
- Fix CSS scoping to avoid breaking Odoo UI
- Update webhook to handle message events properly

## Documentation
- Add docs/CONTEXTO_DESARROLLO.md with complete project context

## Infrastructure
- Add whatsapp_media Docker volume
- Configure nginx proxy for /media/ route
- Update .gitignore to track src/sessions/ source files

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

odoo_whatsapp_hub/controllers/webhook.py

@@ -8,14 +8,15 @@ _logger = logging.getLogger(__name__)
 
 class WhatsAppWebhookController(http.Controller):
 
-    @http.route('/whatsapp/webhook', type='json', auth='public', methods=['POST'], csrf=False)
+    @http.route('/whatsapp/webhook', type='http', auth='public', methods=['POST'], csrf=False)
     def webhook(self, **kwargs):
         """
         Receive webhooks from WhatsApp Central.
         Events: message, status_update, conversation_update
         """
         try:
-            data = request.jsonrequest
+            # Parse JSON from request body
+            data = json.loads(request.httprequest.data.decode('utf-8'))
             event_type = data.get('type')
 
             _logger.info(f'WhatsApp webhook received: {event_type}')
@@ -29,13 +30,14 @@ class WhatsAppWebhookController(http.Controller):
 
             handler = handlers.get(event_type)
             if handler:
-                return handler(data)
+                result = handler(data)
+                return request.make_json_response(result)
 
-            return {'status': 'ignored', 'reason': f'Unknown event type: {event_type}'}
+            return request.make_json_response({'status': 'ignored', 'reason': f'Unknown event type: {event_type}'})
 
         except Exception as e:
             _logger.error(f'WhatsApp webhook error: {e}')
-            return {'status': 'error', 'message': str(e)}
+            return request.make_json_response({'status': 'error', 'message': str(e)})
 
     def _handle_message(self, data):
         """Handle incoming message"""
@@ -64,23 +66,25 @@ class WhatsAppWebhookController(http.Controller):
                 'status': 'bot',
             })
 
+            # Try to find partner by phone
             partner = request.env['res.partner'].sudo().search([
-                '|',
                 ('phone', 'ilike', phone[-10:]),
-                ('mobile', 'ilike', phone[-10:]),
             ], limit=1)
 
             if partner:
                 conversation.partner_id = partner
 
+        # Get direction from webhook data (inbound or outbound)
+        direction = msg_data.get('direction', 'inbound')
+
         request.env['whatsapp.message'].sudo().create({
             'external_id': msg_data.get('id'),
             'conversation_id': conversation.id,
-            'direction': 'inbound',
+            'direction': direction,
             'message_type': msg_data.get('type', 'text'),
             'content': msg_data.get('content'),
             'media_url': msg_data.get('media_url'),
-            'status': 'delivered',
+            'status': 'delivered' if direction == 'inbound' else 'sent',
         })
 
         return {'status': 'ok'}
@@ -137,4 +141,4 @@ class WhatsAppWebhookController(http.Controller):
     @http.route('/whatsapp/webhook/test', type='http', auth='public', methods=['GET'])
     def webhook_test(self):
         """Test endpoint to verify webhook connectivity"""
-        return json.dumps({'status': 'ok', 'message': 'WhatsApp webhook is active'})
+        return request.make_json_response({'status': 'ok', 'message': 'WhatsApp webhook is active'})