public function up(): void 	{ 		Schema::create('sessions', function (Blueprint $table): void { 			$table->string('id')->unique(); 			$table->uuid('user_id')->nullable(); 			$table->string('ip_address', 45)->nullable(); 			$table->text('user_agent')->nullable(); 			$table->longText('payload'); 			$table->unsignedInteger('last_activity')->index(); 		}); 	}