Disregard hidden fields in fieldset generation

src/servala/core/crd.py

@@ -229,9 +229,14 @@ class CrdModelFormMixin:
         # Process spec fields
         others = []
         nested_fieldsets = {}
+        hidden_spec_fields = []
 
         for field_name in self.fields:
             if field_name.startswith("spec."):
+                if isinstance(self.fields[field_name].widget, forms.HiddenInput):
+                    hidden_spec_fields.append(field_name)
+                    continue
+
                 parts = field_name.split(".")
                 if len(parts) == 2:  # Top-level spec field
                     others.append(field_name)
@@ -279,6 +284,16 @@ class CrdModelFormMixin:
         if others:
             fieldsets.append({"title": "Others", "fields": others, "fieldsets": []})
 
+        if hidden_spec_fields:
+            fieldsets.append(
+                {
+                    "title": "Advanced",
+                    "fields": hidden_spec_fields,
+                    "fieldsets": [],
+                    "hidden": True,
+                }
+            )
+
         return fieldsets
 
     def get_nested_data(self):