feat: add apps and custom user

apps/users/admin.py

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+from django.contrib import admin
+
+# Register your models here.

apps/users/apps.py

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+from django.apps import AppConfig
+
+
+class UsersConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.users'

apps/users/migrations/0001_initial.py

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+# Generated by Django 5.2.15 on 2026-07-02 00:52
+
+import django.contrib.auth.models
+import django.contrib.auth.validators
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('auth', '0012_alter_user_first_name_max_length'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='User',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('password', models.CharField(max_length=128, verbose_name='password')),
+                ('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')),
+                ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
+                ('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')),
+                ('first_name', models.CharField(blank=True, max_length=150, verbose_name='first name')),
+                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')),
+                ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
+                ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),
+                ('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')),
+                ('email', models.EmailField(max_length=254, verbose_name='email address')),
+                ('payment_user_id', models.CharField(blank=True, help_text='External payment system user identifier, if available.', max_length=128)),
+                ('status', models.CharField(choices=[('active', 'Active'), ('disabled', 'Disabled')], default='active', max_length=20)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.group', verbose_name='groups')),
+                ('user_permissions', models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.permission', verbose_name='user permissions')),
+            ],
+            options={
+                'db_table': 'user',
+            },
+            managers=[
+                ('objects', django.contrib.auth.models.UserManager()),
+            ],
+        ),
+    ]

apps/users/models.py

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+from django.contrib.auth.models import AbstractUser
+from django.db import models
+
+
+class User(AbstractUser):
+    class Status(models.TextChoices):
+        ACTIVE = "active", "Active"
+        DISABLED = "disabled", "Disabled"
+
+    email = models.EmailField("email address")
+    payment_user_id = models.CharField(
+        max_length=128,
+        blank=True,
+        help_text="External payment system user identifier, if available.",
+    )
+    status = models.CharField(
+        max_length=20,
+        choices=Status.choices,
+        default=Status.ACTIVE,
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    @property
+    def is_business_active(self) -> bool:
+        return self.status == self.Status.ACTIVE and self.is_active
+
+    class Meta:
+        db_table = "user"

apps/users/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

apps/users/views.py

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+from django.shortcuts import render
+
+# Create your views here.