fix error in gitignore

apps/core/models.py

@@ -0,0 +1,44 @@
+import uuid
+
+from django.db import models
+
+
+class UUIDModel(models.Model):
+    """Abstract model with a UUID primary key."""
+
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    class Meta:
+        abstract = True
+
+
+class TimeStampedModel(models.Model):
+    """Abstract model with created/updated timestamps."""
+
+    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True
+
+
+class SystemSetting(UUIDModel, TimeStampedModel):
+    """Generic, dynamic runtime configuration (Odoo, SMS, payment, ...).
+
+    Settings are keyed by dotted path (e.g. ``odoo.url``) and stored as JSON
+    values. The schema that drives the settings panel lives in
+    ``apps.core.settings_registry`` — adding a provider only requires adding
+    entries there, not schema changes.
+    """
+
+    key = models.CharField(max_length=200, unique=True)
+    value = models.JSONField(default=dict, blank=True)
+    category = models.CharField(max_length=100, db_index=True, blank=True)
+    is_secret = models.BooleanField(default=False)
+    description = models.CharField(max_length=255, blank=True)
+
+    class Meta:
+        ordering = ["key"]
+
+    def __str__(self) -> str:
+        return self.key