many fixes

backend/igny8_core/modules/billing/admin.py

@@ -3,7 +3,7 @@ Billing Module Admin
 """
 from django.contrib import admin
 from igny8_core.admin.base import AccountAdminMixin
-from .models import CreditTransaction, CreditUsageLog
+from .models import CreditTransaction, CreditUsageLog, AccountPaymentMethod
 
 
 @admin.register(CreditTransaction)
@@ -41,3 +41,32 @@ class CreditUsageLogAdmin(AccountAdminMixin, admin.ModelAdmin):
             return '-'
     get_account_display.short_description = 'Account'
 
+
+@admin.register(AccountPaymentMethod)
+class AccountPaymentMethodAdmin(AccountAdminMixin, admin.ModelAdmin):
+    list_display = [
+        'display_name',
+        'type',
+        'account',
+        'is_default',
+        'is_enabled',
+        'is_verified',
+        'country_code',
+        'updated_at',
+    ]
+    list_filter = ['type', 'is_default', 'is_enabled', 'is_verified', 'country_code']
+    search_fields = ['display_name', 'account__name', 'account__id']
+    readonly_fields = ['created_at', 'updated_at']
+    fieldsets = (
+        ('Payment Method', {
+            'fields': ('account', 'type', 'display_name', 'is_default', 'is_enabled', 'is_verified', 'country_code')
+        }),
+        ('Instructions / Metadata', {
+            'fields': ('instructions', 'metadata')
+        }),
+        ('Timestamps', {
+            'fields': ('created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )
+

backend/igny8_core/modules/billing/migrations/0006_accountpaymentmethod.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.2.8 on 2025-12-05 17:19
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0005_credittransaction_reference_id_invoice_billing_email_and_more'),
+        ('igny8_core_auth', '0004_add_invoice_payment_models'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AccountPaymentMethod',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('type', models.CharField(choices=[('stripe', 'Stripe'), ('paypal', 'PayPal'), ('bank_transfer', 'Bank Transfer'), ('local_wallet', 'Local Wallet')], db_index=True, max_length=50)),
+                ('display_name', models.CharField(default='', help_text='User-visible label', max_length=100)),
+                ('is_default', models.BooleanField(db_index=True, default=False)),
+                ('is_enabled', models.BooleanField(db_index=True, default=True)),
+                ('is_verified', models.BooleanField(db_index=True, default=False)),
+                ('country_code', models.CharField(blank=True, default='', help_text='ISO-2 country code (optional)', max_length=2)),
+                ('instructions', models.TextField(blank=True, default='')),
+                ('metadata', models.JSONField(blank=True, default=dict, help_text='Provider references or display metadata')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('account', models.ForeignKey(db_column='tenant_id', on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_set', to='igny8_core_auth.account')),
+            ],
+            options={
+                'db_table': 'igny8_account_payment_methods',
+                'ordering': ['-is_default', 'display_name', 'id'],
+                'indexes': [models.Index(fields=['account', 'is_default'], name='igny8_accou_tenant__30d459_idx'), models.Index(fields=['account', 'type'], name='igny8_accou_tenant__4cc9c7_idx')],
+                'unique_together': {('account', 'display_name')},
+            },
+        ),
+    ]

backend/igny8_core/modules/billing/models.py

@@ -1,4 +1,4 @@
 # Backward compatibility aliases - models moved to business/billing/
-from igny8_core.business.billing.models import CreditTransaction, CreditUsageLog, CreditCostConfig
+from igny8_core.business.billing.models import CreditTransaction, CreditUsageLog, CreditCostConfig, AccountPaymentMethod
 
-__all__ = ['CreditTransaction', 'CreditUsageLog', 'CreditCostConfig']
+__all__ = ['CreditTransaction', 'CreditUsageLog', 'CreditCostConfig', 'AccountPaymentMethod']

backend/igny8_core/modules/writer/views.py

@@ -1610,7 +1610,8 @@ class ContentTaxonomyViewSet(SiteSectorModelViewSet):
     ordering = ['taxonomy_type', 'name']
     
     # Filter configuration
-    filterset_fields = ['taxonomy_type', 'sync_status', 'parent', 'external_id', 'external_taxonomy']
+    # Removed "parent" to avoid non-model field in filterset (breaks drf-spectacular)
+    filterset_fields = ['taxonomy_type', 'sync_status', 'external_id', 'external_taxonomy']
     
     def perform_create(self, serializer):
         """Create taxonomy with site/sector context"""

backend/igny8_core/modules/writer/views.py.bak

@@ -1498,7 +1498,7 @@ class ContentTaxonomyViewSet(SiteSectorModelViewSet):
     ordering = ['taxonomy_type', 'name']
     
     # Filter configuration
-    filterset_fields = ['taxonomy_type', 'sync_status', 'parent', 'external_id', 'external_taxonomy']
+    filterset_fields = ['taxonomy_type', 'sync_status', 'external_id', 'external_taxonomy']
     
     def perform_create(self, serializer):
         """Create taxonomy with site/sector context"""