feat(integration): add requires_tenant_configuration field and update related logic and tests

database/migrations/2026_07_22_000000_add_requires_tenant_configuration_to_integrations_table.php

@@ -0,0 +1,27 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('integrations', function (Blueprint $table) {
+            $table->boolean('requires_tenant_configuration')->default(true);
+        });
+
+        DB::table('integrations')
+            ->where('integration_code', 'email')
+            ->update(['requires_tenant_configuration' => false]);
+    }
+
+    public function down(): void
+    {
+        Schema::table('integrations', function (Blueprint $table) {
+            $table->dropColumn('requires_tenant_configuration');
+        });
+    }
+};