feat(WEB): 입금/출금 자동채우기 개선 - API 거래처 랜덤선택, 유형 미설정

- accountingData: depositType, withdrawalType을 'unset'(미설정)으로 고정
- DepositDetailClientV2: API에서 거래처 목록 가져와서 랜덤 선택
- WithdrawalDetailClientV2: API에서 거래처 목록 가져와서 랜덤 선택

src/components/dev/generators/accountingData.ts

@@ -83,7 +83,7 @@ export function generateDepositData(options: GenerateDepositDataOptions = {}): D
     depositAmount: randomInt(100000, 10000000),
     note: randomPick(DEPOSIT_NOTES),
     vendorId: vendor.id,
-    depositType: randomPick(DEPOSIT_TYPES.filter(t => t !== 'unset')), // unset 제외
+    depositType: 'unset', // 미설정으로 고정
   };
 }
 
@@ -142,7 +142,7 @@ export function generateWithdrawalData(options: GenerateWithdrawalDataOptions =
     withdrawalAmount: randomInt(50000, 5000000),
     note: randomPick(WITHDRAWAL_NOTES),
     vendorId: vendor.id,
-    withdrawalType: randomPick(WITHDRAWAL_TYPES.filter(t => t !== 'unset')), // unset 제외
+    withdrawalType: 'unset', // 미설정으로 고정
   };
 }