fix: add StorageModule import to CsvRateModule for S3 support

- Export S3StorageAdapter directly from StorageModule
- Import StorageModule and ConfigModule in CsvRateModule
- Fix dependency injection for S3StorageAdapter in CSV controllers

apps/backend/src/infrastructure/carriers/csv-loader/csv-rate.module.ts

@@ -1,5 +1,6 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
+import { ConfigModule } from '@nestjs/config';
 
 // Domain Services
 import { CsvRateSearchService } from '@domain/services/csv-rate-search.service';
@@ -8,6 +9,7 @@ import { CsvRateSearchService } from '@domain/services/csv-rate-search.service';
 import { CsvRateLoaderAdapter } from './csv-rate-loader.adapter';
 import { CsvConverterService } from './csv-converter.service';
 import { TypeOrmCsvRateConfigRepository } from '@infrastructure/persistence/typeorm/repositories/typeorm-csv-rate-config.repository';
+import { StorageModule } from '@infrastructure/storage/storage.module';
 
 // Application Layer
 import { CsvRateMapper } from '@application/mappers/csv-rate.mapper';
@@ -32,6 +34,10 @@ import { CsvRateConfigOrmEntity } from '@infrastructure/persistence/typeorm/enti
   imports: [
     // TypeORM entities
     TypeOrmModule.forFeature([CsvRateConfigOrmEntity]),
+    // Storage for MinIO/S3 support
+    StorageModule,
+    // Config for S3 configuration
+    ConfigModule,
   ],
   providers: [
     // Infrastructure Adapters (must be before services that depend on them)

apps/backend/src/infrastructure/storage/storage.module.ts

@@ -12,11 +12,12 @@ import { STORAGE_PORT } from '@domain/ports/out/storage.port';
 @Module({
   imports: [ConfigModule],
   providers: [
+    S3StorageAdapter, // Add direct provider for dependency injection
     {
       provide: STORAGE_PORT,
       useClass: S3StorageAdapter,
     },
   ],
-  exports: [STORAGE_PORT],
+  exports: [STORAGE_PORT, S3StorageAdapter], // Export both token and class
 })
 export class StorageModule {}