chore(): regenerated some migrations, small improvements

src/backend/apps/flags/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.2.11 on 2026-02-13 07:57
+# Generated by Django 5.2.11 on 2026-02-14 09:55
 
 import django.core.validators
 import uuid

src/backend/apps/flags/models.py

@@ -7,7 +7,7 @@ from django.utils.translation import gettext_lazy as _
 
 from apps.core.models import BaseModel
 
-KEY_PATTERN = r"^[a-z][a-z0-9_]*$"
+FLAG_KEY_PATTERN = r"^[A-Za-z][A-Za-z0-9_]*$"
 
 
 class FeatureFlagType(models.TextChoices):
@@ -60,7 +60,7 @@ class FeatureFlag(BaseModel):
         help_text=_("Unique identifier for the feature flag"),
         validators=[
             RegexValidator(
-                regex=KEY_PATTERN,
+                regex=FLAG_KEY_PATTERN,
                 message=(
                     "Key must start with a lowercase letter and contain only "
                     "lowercase letters, digits, and underscores."