refactor(frontend): API 레이어에 데이터 변환 로직 통합

- schedules.js에 transformSchedule 함수 추가
  - datetime → date, time 분리
  - category 객체 → category_id, category_name, category_color 플랫화
  - members 배열 → member_names 문자열 변환
- PC Schedule.jsx의 검색 로직을 searchSchedules 함수 사용으로 변경
- 중복 변환 로직 제거로 코드 간소화

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

frontend/src/api/public/schedules.js

@@ -4,40 +4,62 @@
 import { fetchApi } from "../index";
 import { getTodayKST } from "../../utils/date";
 
+/**
+ * API 응답을 프론트엔드 형식으로 변환
+ * - datetime → date, time 분리
+ * - category 객체 → category_id, category_name, category_color 플랫화
+ * - members 배열 → member_names 문자열
+ */
+function transformSchedule(schedule) {
+  const category = schedule.category || {};
+
+  // datetime에서 date와 time 분리
+  let date = '';
+  let time = null;
+  if (schedule.datetime) {
+    const parts = schedule.datetime.split('T');
+    date = parts[0];
+    time = parts[1] || null;
+  }
+
+  // members 배열을 문자열로 (기존 코드 호환성)
+  const memberNames = Array.isArray(schedule.members)
+    ? schedule.members.join(',')
+    : '';
+
+  return {
+    ...schedule,
+    date,
+    time,
+    category_id: category.id,
+    category_name: category.name,
+    category_color: category.color,
+    member_names: memberNames,
+  };
+}
+
 // 일정 목록 조회 (월별)
 export async function getSchedules(year, month) {
   const data = await fetchApi(`/api/schedules?year=${year}&month=${month}`);
-
+  return (data.schedules || []).map(transformSchedule);
-  // 날짜별 그룹화된 응답을 플랫 배열로 변환
-  const schedules = [];
-  for (const [date, dayData] of Object.entries(data)) {
-    for (const schedule of dayData.schedules) {
-      const category = schedule.category || {};
-      schedules.push({
-        ...schedule,
-        date,
-        category_id: category.id,
-        category_name: category.name,
-        category_color: category.color,
-      });
-    }
-  }
-  return schedules;
 }
 
 // 다가오는 일정 조회 (오늘 이후)
 export async function getUpcomingSchedules(limit = 3) {
   const todayStr = getTodayKST();
-  return fetchApi(`/api/schedules?startDate=${todayStr}&limit=${limit}`);
+  const data = await fetchApi(`/api/schedules?startDate=${todayStr}&limit=${limit}`);
+  return (data.schedules || []).map(transformSchedule);
 }
 
 // 일정 검색 (Meilisearch)
 export async function searchSchedules(query, { offset = 0, limit = 20 } = {}) {
-  return fetchApi(
+  const data = await fetchApi(
-    `/api/schedules?search=${encodeURIComponent(
+    `/api/schedules?search=${encodeURIComponent(query)}&offset=${offset}&limit=${limit}`
-      query
-    )}&offset=${offset}&limit=${limit}`
   );
+  return {
+    ...data,
+    schedules: (data.schedules || []).map(transformSchedule),
+  };
 }
 
 // 일정 상세 조회

frontend/src/pages/pc/public/Schedule.jsx

@@ -7,7 +7,7 @@ import { useVirtualizer } from '@tanstack/react-virtual';
 import { useInView } from 'react-intersection-observer';
 import confetti from 'canvas-confetti';
 import { getTodayKST } from '../../../utils/date';
-import { getSchedules } from '../../../api/public/schedules';
+import { getSchedules, searchSchedules } from '../../../api/public/schedules';
 import useScheduleStore from '../../../stores/useScheduleStore';
 
 // HTML 엔티티 디코딩 함수
@@ -257,11 +257,7 @@ function Schedule() {
     } = useInfiniteQuery({
         queryKey: ['scheduleSearch', searchTerm],
         queryFn: async ({ pageParam = 0 }) => {
-            const response = await fetch(
+            return searchSchedules(searchTerm, { offset: pageParam, limit: SEARCH_LIMIT });
-                `/api/schedules?search=${encodeURIComponent(searchTerm)}&offset=${pageParam}&limit=${SEARCH_LIMIT}`
-            );
-            if (!response.ok) throw new Error('Search failed');
-            return response.json();
         },
         getNextPageParam: (lastPage) => {
             if (lastPage.hasMore) {
@@ -272,30 +268,10 @@ function Schedule() {
         enabled: !!searchTerm && isSearchMode,
     });
     
-    // Flatten search results and normalize format to match monthly data
+    // Flatten search results (already transformed by API layer)
     const searchResults = useMemo(() => {
         if (!searchData?.pages) return [];
-        return searchData.pages.flatMap(page =>
+        return searchData.pages.flatMap(page => page.schedules);
-            page.schedules.map(s => {
-                // datetime → date + time 분리
-                const dateTime = s.datetime || '';
-                const [date, time] = dateTime.includes('T')
-                    ? dateTime.split('T')
-                    : [dateTime, null];
-
-                return {
-                    ...s,
-                    date,
-                    time,
-                    // category 객체 → flat 구조
-                    category_id: s.category?.id,
-                    category_name: s.category?.name,
-                    category_color: s.category?.color,
-                    // members 배열 → 쉼표 구분 문자열 (기존 호환)
-                    member_names: Array.isArray(s.members) ? s.members.map(m => m.name).join(',') : s.member_names,
-                };
-            })
-        );
     }, [searchData]);
     
     const searchTotal = searchData?.pages?.[0]?.total || 0;