feat(users): add google oauth login flow

apps/users/migrations/0002_usersocialaccount.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.2.12 on 2026-04-30 20:35
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserSocialAccount',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid7, primary_key=True, serialize=False)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('deleted_at', models.DateTimeField(blank=True, null=True)),
+                ('is_deleted', models.BooleanField(default=False)),
+                ('is_active', models.BooleanField(default=False)),
+                ('provider', models.CharField(choices=[('google', 'google')], max_length=32)),
+                ('provider_user_id', models.CharField(max_length=255)),
+                ('email', models.EmailField(blank=True, default='', max_length=254)),
+                ('email_verified', models.BooleanField(default=False)),
+                ('avatar_url', models.URLField(blank=True, default='')),
+                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='created_%(app_label)s_%(class)s_set', to=settings.AUTH_USER_MODEL)),
+                ('updated_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='updated_%(app_label)s_%(class)s_set', to=settings.AUTH_USER_MODEL)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='social_accounts', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'user_social_account',
+                'verbose_name_plural': 'user_social_accounts',
+                'db_table': 'user_social_account',
+                'ordering': ('-updated_at', '-created_at'),
+                'indexes': [models.Index(fields=['provider', 'provider_user_id'], name='user_social_provider_uid_idx'), models.Index(fields=['provider', 'email'], name='user_social_provider_email_idx')],
+                'constraints': [models.UniqueConstraint(fields=('provider', 'provider_user_id'), name='user_social_account_provider_uid_uniq')],
+            },
+        ),
+    ]