refactor: remove unique constraint from finance category name

Author: hugobelem

backend/modules/finance/migrations/0003_alter_financialcategory_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.4 on 2026-01-12 22:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('finance', '0002_alter_financialtransaction_amount'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='financialcategory',
+            name='name',
+            field=models.CharField(max_length=150),
+        ),
+    ]

backend/modules/finance/models.py

@@ -47,7 +47,7 @@ class FinancialCategory(models.Model):
         null=True, 
     )
 
-    name = models.CharField(max_length=150, unique=True)
+    name = models.CharField(max_length=150)
     is_active = models.BooleanField(default=True)