feat: add Usage Limits Panel component with usage tracking and visual indicators for limits

style: implement custom color schemes and gradients for account section, enhancing visual hierarchy

backend/igny8_core/modules/billing/migrations/0014_remove_payment_payment_account_status_created_idx_and_more.py

@@ -1,53 +0,0 @@
-# Generated by Django 5.2.8 on 2025-12-09 13:55
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('billing', '0013_add_webhook_config'),
-    ]
-
-    operations = [
-        migrations.RemoveIndex(
-            model_name='payment',
-            name='payment_account_status_created_idx',
-        ),
-        migrations.RemoveField(
-            model_name='invoice',
-            name='billing_email',
-        ),
-        migrations.RemoveField(
-            model_name='invoice',
-            name='billing_period_end',
-        ),
-        migrations.RemoveField(
-            model_name='invoice',
-            name='billing_period_start',
-        ),
-        migrations.RemoveField(
-            model_name='payment',
-            name='transaction_reference',
-        ),
-        migrations.AlterField(
-            model_name='accountpaymentmethod',
-            name='type',
-            field=models.CharField(choices=[('stripe', 'Stripe (Credit/Debit Card)'), ('paypal', 'PayPal'), ('bank_transfer', 'Bank Transfer (Manual)'), ('local_wallet', 'Local Wallet (Manual)'), ('manual', 'Manual Payment')], db_index=True, max_length=50),
-        ),
-        migrations.AlterField(
-            model_name='credittransaction',
-            name='reference_id',
-            field=models.CharField(blank=True, help_text='DEPRECATED: Use payment FK. Legacy reference (e.g., payment id, invoice id)', max_length=255),
-        ),
-        migrations.AlterField(
-            model_name='paymentmethodconfig',
-            name='payment_method',
-            field=models.CharField(choices=[('stripe', 'Stripe (Credit/Debit Card)'), ('paypal', 'PayPal'), ('bank_transfer', 'Bank Transfer (Manual)'), ('local_wallet', 'Local Wallet (Manual)'), ('manual', 'Manual Payment')], max_length=50),
-        ),
-        migrations.AlterField(
-            model_name='paymentmethodconfig',
-            name='webhook_url',
-            field=models.URLField(blank=True, help_text='Webhook URL for payment gateway callbacks'),
-        ),
-    ]

backend/igny8_core/modules/billing/migrations/0015_planlimitusage.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.2.8 on 2025-12-12 11:26
+
+import django.core.validators
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0013_add_webhook_config'),
+        ('igny8_core_auth', '0013_plan_max_clusters_plan_max_content_ideas_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PlanLimitUsage',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('limit_type', models.CharField(choices=[('content_ideas', 'Content Ideas'), ('content_words', 'Content Words'), ('images_basic', 'Basic Images'), ('images_premium', 'Premium Images'), ('image_prompts', 'Image Prompts')], db_index=True, help_text='Type of limit being tracked', max_length=50)),
+                ('amount_used', models.IntegerField(default=0, help_text='Amount used in current period', validators=[django.core.validators.MinValueValidator(0)])),
+                ('period_start', models.DateField(help_text='Start date of billing period')),
+                ('period_end', models.DateField(help_text='End date of billing period')),
+                ('metadata', models.JSONField(blank=True, default=dict, help_text='Additional tracking data (e.g., breakdown by site)')),
+                ('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={
+                'verbose_name': 'Plan Limit Usage',
+                'verbose_name_plural': 'Plan Limit Usage Records',
+                'db_table': 'igny8_plan_limit_usage',
+                'ordering': ['-period_start', 'limit_type'],
+                'indexes': [models.Index(fields=['account', 'limit_type'], name='igny8_plan__tenant__993f7b_idx'), models.Index(fields=['account', 'period_start', 'period_end'], name='igny8_plan__tenant__aba01f_idx'), models.Index(fields=['limit_type', 'period_start'], name='igny8_plan__limit_t_d0f5ef_idx')],
+                'unique_together': {('account', 'limit_type', 'period_start')},
+            },
+        ),
+    ]