add OAUth2.0

database/migrations/2026_06_15_000001_create_google_oauth_connections_table.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('google_oauth_connections', function (Blueprint $table) {
+            $table->id();
+            $table->string('service', 20)->unique();
+            $table->string('client_id', 255);
+            $table->text('client_secret');
+            $table->text('refresh_token');
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('google_oauth_connections');
+    }
+};

database/migrations/2026_06_15_000002_add_auth_method_to_email_settings_table.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('email_settings', function (Blueprint $table) {
+            $table->string('auth_method', 20)->default('password');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('email_settings', function (Blueprint $table) {
+            $table->dropColumn('auth_method');
+        });
+    }
+};