feat: KRW 가격 지원 및 GPU/G8/VPU 인스턴스 추가

## KRW 가격 기능
- pricing 테이블에 hourly_price_krw, monthly_price_krw 컬럼 추가
- 부가세 10% + 영업이익 10% + 환율 적용 (기본 1450원)
- 시간당: 1원 단위 반올림 (최소 1원)
- 월간: 100원 단위 반올림 (최소 100원)
- 환율/부가세/영업이익률 환경변수로 분리 (배포 없이 변경 가능)

## GPU/G8/VPU 인스턴스 지원
- gpu_instances, gpu_pricing 테이블 추가
- g8_instances, g8_pricing 테이블 추가
- vpu_instances, vpu_pricing 테이블 추가
- Linode/Vultr 커넥터에 GPU 동기화 로직 추가

## 환경변수 추가
- KRW_EXCHANGE_RATE: 환율 (기본 1450)
- KRW_VAT_RATE: 부가세율 (기본 1.1)
- KRW_MARKUP_RATE: 영업이익률 (기본 1.1)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/repositories/index.ts

@@ -8,11 +8,24 @@ export { ProvidersRepository } from './providers';
 export { RegionsRepository } from './regions';
 export { InstancesRepository } from './instances';
 export { PricingRepository } from './pricing';
+export { GpuInstancesRepository } from './gpu-instances';
+export { GpuPricingRepository } from './gpu-pricing';
+export { G8InstancesRepository } from './g8-instances';
+export { G8PricingRepository } from './g8-pricing';
+export { VpuInstancesRepository } from './vpu-instances';
+export { VpuPricingRepository } from './vpu-pricing';
 
 import { ProvidersRepository } from './providers';
 import { RegionsRepository } from './regions';
 import { InstancesRepository } from './instances';
 import { PricingRepository } from './pricing';
+import { GpuInstancesRepository } from './gpu-instances';
+import { GpuPricingRepository } from './gpu-pricing';
+import { G8InstancesRepository } from './g8-instances';
+import { G8PricingRepository } from './g8-pricing';
+import { VpuInstancesRepository } from './vpu-instances';
+import { VpuPricingRepository } from './vpu-pricing';
+import type { Env } from '../types';
 
 /**
  * Repository factory for creating repository instances
@@ -23,8 +36,14 @@ export class RepositoryFactory {
   private _regions?: RegionsRepository;
   private _instances?: InstancesRepository;
   private _pricing?: PricingRepository;
+  private _gpuInstances?: GpuInstancesRepository;
+  private _gpuPricing?: GpuPricingRepository;
+  private _g8Instances?: G8InstancesRepository;
+  private _g8Pricing?: G8PricingRepository;
+  private _vpuInstances?: VpuInstancesRepository;
+  private _vpuPricing?: VpuPricingRepository;
 
-  constructor(private _db: D1Database) {}
+  constructor(private _db: D1Database, private _env?: Env) {}
 
   /**
    * Access to raw D1 database instance for advanced operations (e.g., batch queries)
@@ -33,6 +52,13 @@ export class RepositoryFactory {
     return this._db;
   }
 
+  /**
+   * Access to environment variables for KRW pricing configuration
+   */
+  get env(): Env | undefined {
+    return this._env;
+  }
+
   get providers(): ProvidersRepository {
     return this._providers ??= new ProvidersRepository(this.db);
   }
@@ -46,6 +72,30 @@ export class RepositoryFactory {
   }
 
   get pricing(): PricingRepository {
-    return this._pricing ??= new PricingRepository(this.db);
+    return this._pricing ??= new PricingRepository(this.db, this._env);
+  }
+
+  get gpuInstances(): GpuInstancesRepository {
+    return this._gpuInstances ??= new GpuInstancesRepository(this.db);
+  }
+
+  get gpuPricing(): GpuPricingRepository {
+    return this._gpuPricing ??= new GpuPricingRepository(this.db, this._env);
+  }
+
+  get g8Instances(): G8InstancesRepository {
+    return this._g8Instances ??= new G8InstancesRepository(this.db);
+  }
+
+  get g8Pricing(): G8PricingRepository {
+    return this._g8Pricing ??= new G8PricingRepository(this.db, this._env);
+  }
+
+  get vpuInstances(): VpuInstancesRepository {
+    return this._vpuInstances ??= new VpuInstancesRepository(this.db);
+  }
+
+  get vpuPricing(): VpuPricingRepository {
+    return this._vpuPricing ??= new VpuPricingRepository(this.db, this._env);
   }
 }