Fix bugs and clean noise reduction

electron/migrations/1000000000001-AddRoomMembers.ts

@@ -0,0 +1,19 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddRoomMembers1000000000001 implements MigrationInterface {
+  name = 'AddRoomMembers1000000000001';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    const columns = await queryRunner.query(`PRAGMA table_info("rooms")`) as Array<{ name?: string }>;
+    const hasMembersColumn = Array.isArray(columns)
+      && columns.some((column) => column.name === 'members');
+
+    if (!hasMembersColumn) {
+      await queryRunner.query(`ALTER TABLE "rooms" ADD COLUMN "members" TEXT`);
+    }
+  }
+
+  public async down(_queryRunner: QueryRunner): Promise<void> {
+    // Forward-only migration: SQLite column removal is intentionally omitted.
+  }
+}