feat(apikey): API Key 검토 모달 예상 요청량 수정 기능

- 검토 모달에서 예상 요청량 셀렉트박스로 수정 가능
- 승인 시 adjustedDailyRequestLimit 전달

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/pages/apikeys/KeyAdminPage.tsx

@@ -75,6 +75,7 @@ const KeyAdminPage = () => {
   const [reviewComment, setReviewComment] = useState('');
   const [adjustedFromDate, setAdjustedFromDate] = useState('');
   const [adjustedToDate, setAdjustedToDate] = useState('');
+  const [adjustedDailyLimit, setAdjustedDailyLimit] = useState('');
   const [activeReviewTab, setActiveReviewTab] = useState<'info' | 'apis'>('info');
   const [showRejectConfirm, setShowRejectConfirm] = useState(false);
   const [showApproveConfirm, setShowApproveConfirm] = useState(false);
@@ -169,6 +170,7 @@ const KeyAdminPage = () => {
     setReviewComment(req.reviewComment || '');
     setAdjustedFromDate(req.usageFromDate ? req.usageFromDate.split('T')[0] : '');
     setAdjustedToDate(req.usageToDate ? req.usageToDate.split('T')[0] : '');
+    setAdjustedDailyLimit(req.dailyRequestEstimate != null ? String(req.dailyRequestEstimate) : '');
     setActiveReviewTab('info');
     setShowRejectConfirm(false);
     setShowApproveConfirm(false);
@@ -185,6 +187,7 @@ const KeyAdminPage = () => {
     setReviewComment('');
     setAdjustedFromDate(req.usageFromDate ? req.usageFromDate.split('T')[0] : '');
     setAdjustedToDate(req.usageToDate ? req.usageToDate.split('T')[0] : '');
+    setAdjustedDailyLimit(req.dailyRequestEstimate != null ? String(req.dailyRequestEstimate) : '');
     setActiveReviewTab('info');
     setShowRejectConfirm(false);
     setShowApproveConfirm(false);
@@ -217,6 +220,7 @@ const KeyAdminPage = () => {
         adjustedApiIds: status === 'APPROVED' ? Array.from(adjustedApiIds) : undefined,
         adjustedFromDate: status === 'APPROVED' && adjustedFromDate ? adjustedFromDate : undefined,
         adjustedToDate: status === 'APPROVED' && adjustedToDate ? adjustedToDate : undefined,
+        adjustedDailyRequestLimit: status === 'APPROVED' && adjustedDailyLimit ? Number(adjustedDailyLimit) : undefined,
       });
 
       if (res.success) {
@@ -896,11 +900,29 @@ const KeyAdminPage = () => {
                         </div>
                         <span className="text-xs text-gray-500 dark:text-gray-500">예상 요청량</span>
                       </div>
+                      {isReviewReadOnly ? (
                         <p className="text-sm font-semibold text-gray-900 dark:text-gray-100 pl-10">
                           {selectedRequest.dailyRequestEstimate != null
                             ? `${Number(selectedRequest.dailyRequestEstimate).toLocaleString()}건/일`
                             : '-'}
                         </p>
+                      ) : (
+                        <div className="pl-10">
+                          <select
+                            value={adjustedDailyLimit}
+                            onChange={(e) => setAdjustedDailyLimit(e.target.value)}
+                            className="w-full border border-gray-300 dark:border-gray-600 bg-white dark:bg-gray-700 text-gray-900 dark:text-gray-100 rounded-lg px-2 py-1 text-sm focus:ring-2 focus:ring-blue-500 focus:outline-none"
+                          >
+                            <option value="">선택하세요</option>
+                            <option value="100">100 이하</option>
+                            <option value="500">100~500</option>
+                            <option value="1000">500~1,000</option>
+                            <option value="5000">1,000~5,000</option>
+                            <option value="10000">5,000~10,000</option>
+                            <option value="50000">10,000 이상</option>
+                          </select>
+                        </div>
+                      )}
                       <p className="text-xs text-gray-500 dark:text-gray-500 pl-10 mt-0.5">{totalApiCount}개 API</p>
                     </div>
                   </div>

frontend/src/types/apikey.ts

@@ -65,6 +65,7 @@ export interface ApiKeyRequestReviewDto {
   adjustedApiIds?: number[];
   adjustedFromDate?: string;
   adjustedToDate?: string;
+  adjustedDailyRequestLimit?: number;
 }
 
 export interface Permission {