feat(form-builder): form_field_configs relational table + non-validation key split + drop validation_rules JSON columns

api/database/seeders/FormBuilderDevSeeder.php

@@ -284,10 +284,9 @@ final class FormBuilderDevSeeder
                 'type' => FormFieldType::TAG_PICKER,
                 'slug' => 'vaardigheden',
                 'label' => 'Vaardigheden en certificaten',
-                // validation_rules.tag_categories = [] means "all active
-                // person_tags for this org" — the FormFieldResource picks
-                // up every active tag when no category filter is set.
-                'validation_rules' => null,
+                // No config_type = tag_categories row → FormFieldResource
+                // emits every active person_tag for the org (no category
+                // filter). See ARCH-FORM-BUILDER §17.5.
                 'is_required' => false,
                 'is_filterable' => true,
                 'display_width' => 'full',
@@ -370,7 +369,6 @@ final class FormBuilderDevSeeder
                 'label' => $def['label'],
                 'help_text' => $def['help_text'] ?? null,
                 'options' => $def['options'] ?? null,
-                'validation_rules' => $def['validation_rules'] ?? null,
                 'is_required' => $def['is_required'] ?? false,
                 'is_filterable' => $def['is_filterable'] ?? false,
                 'is_portal_visible' => true,