refactor: 전체보기 기능 제거 및 날짜 선택 기본값 개선

- 전체보기 버튼 제거
- 월 이동 시 이번달이면 오늘, 다른 달이면 1일 자동 선택
- 같은 날짜 클릭 시 토글 제거 (항상 선택 유지)
- 필터링 대상 줄여서 성능 개선

frontend/src/pages/pc/Schedule.jsx

@@ -158,19 +158,36 @@ function Schedule() {
 
     const prevMonth = () => {
         setSlideDirection(-1);
-        setCurrentDate(new Date(year, month - 1, 1));
+        const newDate = new Date(year, month - 1, 1);
-        setSelectedDate(null); // 월 변경 시 초기화
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${newDate.getFullYear()}-${String(newDate.getMonth() + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
     };
 
     const nextMonth = () => {
         setSlideDirection(1);
-        setCurrentDate(new Date(year, month + 1, 1));
+        const newDate = new Date(year, month + 1, 1);
-        setSelectedDate(null); // 월 변경 시 초기화
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${newDate.getFullYear()}-${String(newDate.getMonth() + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
     };
 
+    // 날짜 선택 (토글 없이 항상 선택)
     const selectDate = (day) => {
         const dateStr = `${year}-${String(month + 1).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
-        setSelectedDate(selectedDate === dateStr ? null : dateStr);
+        setSelectedDate(dateStr);
     };
 
     const selectYear = (newYear) => {
@@ -179,7 +196,16 @@ function Schedule() {
     };
 
     const selectMonth = (newMonth) => {
-        setCurrentDate(new Date(year, newMonth, 1));
+        const newDate = new Date(year, newMonth, 1);
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${year}-${String(newMonth + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
         setShowYearMonthPicker(false);
         setViewMode('yearMonth');
     };
@@ -537,23 +563,12 @@ function Schedule() {
                                 </motion.div>
                             </AnimatePresence>
 
-                            {/* 범례 및 전체보기 */}
+                            {/* 범례 */}
-                            <div className="mt-6 pt-4 border-t border-gray-100 flex items-center justify-between text-sm">
+                            <div className="mt-6 pt-4 border-t border-gray-100 flex items-center text-sm">
                                 <div className="flex items-center gap-1.5 text-gray-500">
                                     <span className="w-2 h-2 rounded-full bg-primary flex-shrink-0" />
                                     <span className="leading-none">일정 있음</span>
                                 </div>
-                                <button
-                                    onClick={() => setSelectedDate(null)}
-                                    className={`px-4 py-2 rounded-lg transition-colors ${
-                                        selectedDate 
-                                            ? 'bg-primary text-white hover:bg-primary-dark' 
-                                            : 'bg-gray-100 text-gray-400 cursor-default'
-                                    }`}
-                                    disabled={!selectedDate}
-                                >
-                                    전체 보기
-                                </button>
                             </div>
                         </div>
                     </motion.div>

frontend/src/pages/pc/admin/AdminSchedule.jsx

@@ -302,15 +302,31 @@ function AdminSchedule() {
     // 월 이동
     const prevMonth = () => {
         setSlideDirection(-1);
-        setCurrentDate(new Date(year, month - 1, 1));
+        const newDate = new Date(year, month - 1, 1);
-        setSelectedDate(null);
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${newDate.getFullYear()}-${String(newDate.getMonth() + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
         setSchedules([]); // 이전 달 데이터 즉시 초기화
     };
 
     const nextMonth = () => {
         setSlideDirection(1);
-        setCurrentDate(new Date(year, month + 1, 1));
+        const newDate = new Date(year, month + 1, 1);
-        setSelectedDate(null);
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${newDate.getFullYear()}-${String(newDate.getMonth() + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
         setSchedules([]); // 이전 달 데이터 즉시 초기화
     };
 
@@ -326,20 +342,24 @@ function AdminSchedule() {
 
     // 월 선택 시 적용 후 닫기
     const selectMonth = (newMonth) => {
-        setCurrentDate(new Date(year, newMonth, 1));
+        const newDate = new Date(year, newMonth, 1);
+        setCurrentDate(newDate);
+        // 이번달이면 오늘, 다른 달이면 1일 선택
+        const today = new Date();
+        if (newDate.getFullYear() === today.getFullYear() && newDate.getMonth() === today.getMonth()) {
+            setSelectedDate(getTodayKST());
+        } else {
+            const firstDay = `${year}-${String(newMonth + 1).padStart(2, '0')}-01`;
+            setSelectedDate(firstDay);
+        }
         setShowYearMonthPicker(false);
         setViewMode('yearMonth');
     };
 
-    // 날짜 선택
+    // 날짜 선택 (토글 없이 항상 선택)
     const selectDate = (day) => {
         const dateStr = `${year}-${String(month + 1).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
-        setSelectedDate(selectedDate === dateStr ? null : dateStr);
+        setSelectedDate(dateStr);
-    };
-    
-    // 전체보기
-    const showAll = () => {
-        setSelectedDate(null);
     };
 
     // 삭제 관련 상태
@@ -814,25 +834,12 @@ function AdminSchedule() {
                                     </div>
                                 </motion.div>
                             </AnimatePresence>
-                            {/* 범례 및 전체보기 */}
+                            {/* 범례 */}
-                            <div className="mt-6 pt-4 border-t border-gray-100 flex items-center justify-between text-sm">
+                            <div className="mt-6 pt-4 border-t border-gray-100 flex items-center text-sm">
                                 <div className="flex items-center gap-1.5 text-gray-500">
                                     <span className="w-2 h-2 rounded-full bg-primary flex-shrink-0" />
                                     <span className="leading-none">일정 있음</span>
                                 </div>
-                                <button
-                                    onClick={showAll}
-                                    className={`px-4 py-2 rounded-lg transition-colors ${
-                                        isSearchMode
-                                            ? 'bg-gray-100 text-gray-400 cursor-not-allowed opacity-50'
-                                            : selectedDate 
-                                                ? 'bg-primary text-white hover:bg-primary-dark' 
-                                                : 'bg-gray-100 text-gray-400 cursor-default'
-                                    }`}
-                                    disabled={!selectedDate || isSearchMode}
-                                >
-                                    전체 보기
-                                </button>
                             </div>
                         </motion.div>