models delte and trash and cascade issues fixes

backend/igny8_core/business/content/models.py

@@ -440,10 +440,11 @@ class Content(SoftDeletableModel, SiteSectorBaseModel):
         return super().hard_delete(using=using, keep_parents=keep_parents)
 
 
-class ContentTaxonomy(SiteSectorBaseModel):
+class ContentTaxonomy(SoftDeletableModel, SiteSectorBaseModel):
     """
     Simplified taxonomy model for AI-generated categories and tags.
     Directly linked to Content via many-to-many relationship.
+    Supports soft-delete for trash/restore functionality.
     """
 
     TAXONOMY_TYPE_CHOICES = [
@@ -497,6 +498,9 @@ class ContentTaxonomy(SiteSectorBaseModel):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 
+    objects = SoftDeleteManager()
+    all_objects = models.Manager()
+
     class Meta:
         app_label = 'writer'
         db_table = 'igny8_content_taxonomy_terms'

backend/igny8_core/business/planning/models.py

@@ -79,7 +79,7 @@ class Keywords(SoftDeletableModel, SiteSectorBaseModel):
     # Required: Link to global SeedKeyword
     seed_keyword = models.ForeignKey(
         SeedKeyword,
-        on_delete=models.PROTECT,  # Prevent deletion if Keywords reference it
+        on_delete=models.CASCADE,  # Allow deletion of SeedKeyword (cascades to Keywords)
         related_name='site_keywords',
         help_text="Reference to the global seed keyword"
     )