fixes for idea render and other

backend/igny8_core/business/planning/models.py

@@ -108,6 +108,13 @@ class Keywords(SoftDeletableModel, SiteSectorBaseModel):
     objects = SoftDeleteManager()
     all_objects = models.Manager()
     
+    def soft_delete(self, user=None, reason=None, retention_days=None):
+        """Override soft_delete to clear seed_keyword FK to prevent PROTECT issues"""
+        # Clear the seed_keyword FK before soft delete to prevent cascade protection issues
+        # This allows SeedKeywords to be managed independently after Keywords are deleted
+        self.seed_keyword = None
+        super().soft_delete(user=user, reason=reason, retention_days=retention_days)
+    
     @property
     def keyword(self):
         """Get keyword text from seed_keyword"""