Localize payout pages (detail, list, request)

- Added payout-specific translation keys to en.json:
  - depositBalance, subId, disbursementAmount, requestFailed
- Added common translation keys: filter, download, searchOptions, failed, clear, currency.krw
- Localized detail-page.tsx:
  - Header title, button text, detail section title
  - All KV labels (disbursementStatus, transactionType, etc.)
  - Updated code comments from Korean to English
- Localized list-page.tsx:
  - Header title, aria-labels, alt texts
  - Deposit balance label and currency unit
  - Request button text
- Localized request-page.tsx:
  - Header title, form labels, placeholder text
  - Success/error messages in snackBar calls
  - Added useTranslation hook import

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/locales/en.json

@@ -35,7 +35,16 @@
         "image": "Image",
         "request": "Request",
         "imageRequested": "Image has been requested.",
-        "selectDownloadMethod": "Select Download Method"
+        "selectDownloadMethod": "Select Download Method",
+        "filter": "Filter",
+        "download": "Download",
+        "searchOptions": "Search Options",
+        "requestDate": "Request Date",
+        "failed": "Failed",
+        "clear": "Clear",
+        "currency": {
+            "krw": "KRW"
+        }
     },
     "menu": {
         "home": "Home",
@@ -964,9 +973,29 @@
             "sendCategory": "Send Category"
         },
         "payout": {
+            "title": "Payout",
+            "detailTitle": "Payout Detail",
+            "requestTitle": "Payout Request",
             "requestDate": "Request Date",
             "disbursementDate": "Disbursement Date",
-            "paymentStatus": "Payment Status"
+            "paymentStatus": "Payment Status",
+            "depositCertificate": "Deposit Certificate",
+            "detailInfo": "Detail Information",
+            "disbursementStatus": "Disbursement Status",
+            "transactionType": "Transaction Type",
+            "disbursementDateTime": "Disbursement Date Time",
+            "businessNumber": "Business Number",
+            "accountHolder": "Account Holder",
+            "bank": "Bank",
+            "accountNumber": "Account Number",
+            "depositor": "Depositor",
+            "failureReason": "Failure Reason",
+            "requestSuccess": "Request submitted successfully.",
+            "dateSelectPlaceholder": "Select Date",
+            "depositBalance": "Deposit Balance",
+            "subId": "Sub ID",
+            "disbursementAmount": "Disbursement Amount",
+            "requestFailed": "Request failed."
         },
         "keyIn": {
             "fullCancel": "Full Cancel",