Postgres support (DB_* env), LoginEvent audit table, Choice.value 300, deploy.sh pg_dump backup

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

accounts/migrations/0009_loginevent.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.17 on 2026-10-08 07:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0008_remove_guest_login'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LoginEvent',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('event', models.CharField(choices=[('login_ok', 'ورود موفق'), ('login_failed', 'ورود ناموفق'), ('login_blocked', 'ورود مسدود'), ('logout', 'خروج'), ('account_deleted', 'حذف حساب')], db_index=True, max_length=20)),
+                ('user_id', models.IntegerField(blank=True, db_index=True, null=True)),
+                ('phone', models.CharField(blank=True, db_index=True, max_length=15)),
+                ('ip', models.GenericIPAddressField(blank=True, null=True)),
+                ('user_agent', models.CharField(blank=True, max_length=300)),
+                ('created_at', models.DateTimeField(auto_now_add=True, db_index=True)),
+            ],
+            options={
+                'ordering': ['-created_at'],
+            },
+        ),
+    ]