Продолжение

Pf2eModel/Pf2eDbContextModel.cs

@@ -9,6 +9,7 @@ using Pf2eModel.Model.Common;
 using Pf2eModel.Model.Enum;
 using Pf2eModel.Model.Structure;
 using Pf2eModel.Model.Structure.AncestryRelation;
+using Pf2eModel.Model.Structure.ArchetypeRelation;
 using Pf2eModel.Model.Structure.BackgroundRelation;
 using Pf2eModel.Model.Structure.ClassRelation;
 using Pf2eModel.Model.Structure.DeityRelation;
@@ -179,9 +180,11 @@ public partial class Pf2eDbContext
                 .HasForeignKey<Archetype>(a => a.DedicationFeatId)
                 .OnDelete(DeleteBehavior.Cascade);
 
-            entity.HasMany(a => a.Feats).WithOne(f => f.Archetype)
-                .HasForeignKey(f => f.ArchetypeId)
-                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasMany(a => a.Feats).WithMany(f => f.Archetypes)
+                .UsingEntity<ArchetypeFeats>(
+                    l => l.HasOne<Feat>().WithMany().HasForeignKey(af => af.FeatId),
+                    r => r.HasOne<Archetype>().WithMany().HasForeignKey(af => af.ArchetypeId)
+                );
         });
 
         // Background