feat(rbac): register RbacModule and PermissionGuard in AppModule

backend/src/app.module.ts

@@ -3,9 +3,15 @@ import { APP_GUARD } from '@nestjs/core';
 import { ConfigModule, ConfigService } from '@nestjs/config';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { ThrottlerModule, ThrottlerGuard } from '@nestjs/throttler';
-import { Student, Room, Occupancy, RoomExpense, PersonalExpense, Bill, BillItem, User, OperationLog, Deposit, Classroom, Tenant, ClassroomRental } from './entities';
+import {
+  Student, Room, Occupancy, RoomExpense, PersonalExpense,
+  Bill, BillItem, User, OperationLog, Deposit, Classroom,
+  Tenant, ClassroomRental, Permission, Role,
+} from './entities';
 import { AuthModule } from './auth/auth.module';
+import { RbacModule } from './rbac/rbac.module';
 import { StudentsModule } from './students/students.module';
+import { PermissionGuard } from './auth/guards/permission.guard';
 import { RoomsModule } from './rooms/rooms.module';
 import { OccupanciesModule } from './occupancies/occupancies.module';
 import { ExpensesModule } from './expenses/expenses.module';
@@ -29,6 +35,11 @@ import { ClassroomRentalsModule } from './classroom-rentals/classroom-rentals.mo
       inject: [ConfigService],
       useFactory: (config: ConfigService): any => {
         const dbType = config.get('DB_TYPE', 'sqlite');
+        const allEntities = [
+          Student, Room, Occupancy, RoomExpense, PersonalExpense,
+          Bill, BillItem, User, OperationLog, Deposit, Classroom,
+          Tenant, ClassroomRental, Permission, Role,
+        ];
         if (dbType === 'mysql') {
           return {
             type: 'mysql' as const,
@@ -37,7 +48,7 @@ import { ClassroomRentalsModule } from './classroom-rentals/classroom-rentals.mo
             username: config.get('DB_USERNAME', 'root'),
             password: config.get('DB_PASSWORD', ''),
             database: config.get('DB_DATABASE', 'dorm_billing'),
-            entities: [Student, Room, Occupancy, RoomExpense, PersonalExpense, Bill, BillItem, User, OperationLog, Deposit, Classroom, Tenant, ClassroomRental],
+            entities: allEntities,
             synchronize: true,
             charset: 'utf8mb4',
           };
@@ -45,12 +56,13 @@ import { ClassroomRentalsModule } from './classroom-rentals/classroom-rentals.mo
         return {
           type: 'better-sqlite3' as const,
           database: config.get('DB_DATABASE', 'dorm_billing.db'),
-          entities: [Student, Room, Occupancy, RoomExpense, PersonalExpense, Bill, BillItem, User, OperationLog, Deposit, Classroom, Tenant, ClassroomRental],
+          entities: allEntities,
           synchronize: true,
         };
       },
     }),
     AuthModule,
+    RbacModule,
     StudentsModule,
     RoomsModule,
     OccupanciesModule,
@@ -65,6 +77,7 @@ import { ClassroomRentalsModule } from './classroom-rentals/classroom-rentals.mo
   ],
   providers: [
     { provide: APP_GUARD, useClass: ThrottlerGuard },
+    { provide: APP_GUARD, useClass: PermissionGuard },
   ],
 })
 export class AppModule {}