refactor(rooms): remove dorm gender restrictions

apps/server/src/database/database-migrations.room-gender.spec.ts

@@ -0,0 +1,38 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { getDataSourceToken } from '@nestjs/typeorm';
+import { DatabaseMigrationsService } from './database-migrations.service';
+
+describe('DatabaseMigrationsService — room gender cleanup', () => {
+  it('drops the retired rooms.gender column', async () => {
+    const runner = {
+      connect: jest.fn(),
+      release: jest.fn(),
+      getTables: jest.fn().mockResolvedValue([{ name: 'rooms' }]),
+      getTable: jest.fn().mockResolvedValue({
+        name: 'rooms',
+        columns: [{ name: 'id' }, { name: 'gender' }],
+      }),
+      dropColumn: jest.fn().mockResolvedValue(undefined),
+    };
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        DatabaseMigrationsService,
+        {
+          provide: getDataSourceToken(),
+          useValue: {
+            options: { type: 'better-sqlite3' },
+            createQueryRunner: jest.fn().mockReturnValue(runner),
+          },
+        },
+      ],
+    }).compile();
+    const service = module.get(DatabaseMigrationsService) as DatabaseMigrationsService & {
+      removeUnusedRoomColumns(): Promise<void>;
+    };
+
+    await service.removeUnusedRoomColumns();
+
+    expect(runner.dropColumn).toHaveBeenCalledWith('rooms', 'gender');
+    expect(runner.release).toHaveBeenCalled();
+  });
+});

apps/server/src/database/database-migrations.service.ts

@@ -15,6 +15,7 @@ export class DatabaseMigrationsService implements OnApplicationBootstrap {
     await this.normalizeClassDates();
     await this.protectAttendanceHistory();
     await this.removeUnusedClassroomColumns();
+    await this.removeUnusedRoomColumns();
     await this.cleanupDepositRefundColumns();
     await this.removeUnusedClassStudentColumns();
     await this.normalizeClassroomStatuses();
@@ -39,6 +40,22 @@ export class DatabaseMigrationsService implements OnApplicationBootstrap {
     }
   }
 
+  private async removeUnusedRoomColumns(): Promise<void> {
+    const runner = this.dataSource.createQueryRunner();
+    await runner.connect();
+    try {
+      const tables = await runner.getTables(['rooms']);
+      if (tables.length === 0) return;
+
+      const table = await runner.getTable('rooms');
+      if (table?.columns.some((column) => column.name === 'gender')) {
+        await runner.dropColumn('rooms', 'gender');
+      }
+    } finally {
+      await runner.release();
+    }
+  }
+
   private async cleanupDepositRefundColumns(): Promise<void> {
     const runner = this.dataSource.createQueryRunner();
     await runner.connect();