django bacekdn opeartioanl fixes and site wp integration api fixes

backend/igny8_core/business/integration/services/integration_service.py

@@ -244,14 +244,15 @@ class IntegrationService:
                 }
             }
         
-        # Get API key from site
+        # Get API key from Site.wp_api_key (SINGLE source of truth)
+        # API key is stored on Site model for authentication by APIKeyAuthentication
         api_key = integration.site.wp_api_key
         
         if not api_key:
             return {
                 'success': False,
-                'message': 'API key not configured.',
-                'details': {}
+                'message': 'API key not configured. Generate an API key in Site Settings.',
+                'details': {'site_id': integration.site.id, 'site_name': integration.site.name}
             }
         
         # Initialize health check results

backend/igny8_core/business/integration/services/sync_metadata_service.py

@@ -39,8 +39,8 @@ class SyncMetadataService:
         try:
             # Get WordPress site URL and API key
             site_url = integration.config_json.get('site_url', '')
-            credentials = integration.get_credentials()
-            api_key = credentials.get('api_key', '')
+            # API key is stored in Site.wp_api_key (SINGLE source of truth)
+            api_key = integration.site.wp_api_key or ''
             
             if not site_url:
                 return {
@@ -51,7 +51,7 @@ class SyncMetadataService:
             if not api_key:
                 return {
                     'success': False,
-                    'error': 'Missing api_key in integration credentials'
+                    'error': 'API key not configured for site. Generate one in Site Settings.'
                 }
             
             # Call WordPress metadata endpoint

backend/igny8_core/business/planning/models.py

@@ -142,44 +142,67 @@ class Keywords(SoftDeletableModel, SiteSectorBaseModel):
     @property
     def keyword(self):
         """Get keyword text from seed_keyword"""
-        return self.seed_keyword.keyword if self.seed_keyword else ''
+        try:
+            return self.seed_keyword.keyword if self.seed_keyword else ''
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            return ''
     
     @property
     def volume(self):
         """Get volume from override or seed_keyword"""
-        return self.volume_override if self.volume_override is not None else (self.seed_keyword.volume if self.seed_keyword else 0)
+        try:
+            seed_kw = self.seed_keyword
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            seed_kw = None
+        return self.volume_override if self.volume_override is not None else (seed_kw.volume if seed_kw else 0)
     
     @property
     def difficulty(self):
         """Get difficulty from override or seed_keyword"""
-        return self.difficulty_override if self.difficulty_override is not None else (self.seed_keyword.difficulty if self.seed_keyword else 0)
+        try:
+            seed_kw = self.seed_keyword
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            seed_kw = None
+        return self.difficulty_override if self.difficulty_override is not None else (seed_kw.difficulty if seed_kw else 0)
     
     @property
     def country(self):
         """Get country from seed_keyword"""
-        return self.seed_keyword.country if self.seed_keyword else 'US'
+        try:
+            return self.seed_keyword.country if self.seed_keyword else 'US'
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            return 'US'
     
     def save(self, *args, **kwargs):
         """Validate that seed_keyword's industry/sector matches site's industry/sector"""
-        if self.seed_keyword and self.site and self.sector:
+        # Skip validation if seed_keyword is None (during soft delete or orphaned)
+        try:
+            seed_kw = self.seed_keyword
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            seed_kw = None
+        
+        if seed_kw and self.site and self.sector:
             # Validate industry match
-            if self.site.industry != self.seed_keyword.industry:
+            if self.site.industry != seed_kw.industry:
                 from django.core.exceptions import ValidationError
                 raise ValidationError(
-                    f"SeedKeyword industry ({self.seed_keyword.industry.name}) must match site industry ({self.site.industry.name})"
+                    f"SeedKeyword industry ({seed_kw.industry.name}) must match site industry ({self.site.industry.name})"
                 )
             
             # Validate sector match (site sector's industry_sector must match seed_keyword's sector)
-            if self.sector.industry_sector != self.seed_keyword.sector:
+            if self.sector.industry_sector != seed_kw.sector:
                 from django.core.exceptions import ValidationError
                 raise ValidationError(
-                    f"SeedKeyword sector ({self.seed_keyword.sector.name}) must match site sector's industry sector ({self.sector.industry_sector.name if self.sector.industry_sector else 'None'})"
+                    f"SeedKeyword sector ({seed_kw.sector.name}) must match site sector's industry sector ({self.sector.industry_sector.name if self.sector.industry_sector else 'None'})"
                 )
         
         super().save(*args, **kwargs)
     
     def __str__(self):
-        return self.keyword
+        try:
+            return self.seed_keyword.keyword if self.seed_keyword else f'Keyword #{self.pk}'
+        except self.__class__.seed_keyword.RelatedObjectDoesNotExist:
+            return f'Keyword #{self.pk} (orphaned)'
 
 
 class ContentIdeas(SoftDeletableModel, SiteSectorBaseModel):

backend/igny8_core/business/publishing/services/publisher_service.py

@@ -139,9 +139,13 @@ class PublisherService:
                 
                 if integration:
                     logger.info(f"[PublisherService._publish_to_destination] ✅ Integration found: id={integration.id}")
-                    # Merge config_json and credentials_json
+                    # Merge config_json (site_url, etc.)
                     destination_config.update(integration.config_json or {})
-                    destination_config.update(integration.get_credentials() or {})
+                    
+                    # API key is stored in Site.wp_api_key (SINGLE source of truth)
+                    if integration.site.wp_api_key:
+                        destination_config['api_key'] = integration.site.wp_api_key
+                    
                     logger.info(f"[PublisherService._publish_to_destination] 🔑 Config merged: has_api_key={bool(destination_config.get('api_key'))}, has_site_url={bool(destination_config.get('site_url'))}")
                     
                     # Ensure site_url is set (from config or from site model)
@@ -342,13 +346,16 @@ class PublisherService:
         destinations = []
         for integration in integrations:
             config = integration.config_json.copy()
-            credentials = integration.get_credentials()
             
             destination_config = {
                 'platform': integration.platform,
                 **config,
-                **credentials
             }
+            
+            # API key is stored in Site.wp_api_key (SINGLE source of truth)
+            if integration.site.wp_api_key:
+                destination_config['api_key'] = integration.site.wp_api_key
+            
             destinations.append(destination_config)
         
         # Also add 'sites' destination if not in platforms filter or if platforms is None