feat(leave): \uc5f0\ucc28 \ubbf8\ub9ac \ub4f1\ub85d + \uc218\uc544\ud55c \uc790\ub3d9 \uc801\uc6a9 + \ud1b5\ud569 \uc2a4\ucf00\uc904 + \ubc18\ubcf5 \uc5f0\ucc28

Phase 1 \u2014 \ubbf8\ub9ac \uc5f0\ucc28 \ub4f1\ub85d
- DB: get_leave_minutes_for(date) / has_full_day_leave(date) /
  get_leave_records_by_date(date) / get_leave_records_by_range(start, end)
- TimeCalculator.effective_work_minutes(date_obj, db): \uc5f0\ucc28 \ubd84\ub9cc\ud07c \uc815\uaddc \uadfc\ubb34 \ucc28\uac10
- update_display() 1Hz hot-path:
    \u2022 \uc885\uc77c \uc5f0\ucc28 \ub4f1\ub85d\uc77c + \ucd9c\uadfc \uc548 \ud55c \uc0c1\ud0dc \u2192 "\ud83c\udf34 \uc624\ub298\uc740 \ud734\uac00" \uce74\ub4dc \ud45c\uc2dc, \uce74\uc6b4\ud2b8\ub2e4\uc6b4 \uc81c\uac70
    \u2022 \uc885\uc77c \uc5f0\ucc28 + \ucd9c\uadfc override \u2192 \ud734\uc77c\ucc98\ub7fc \uc804\uccb4 \uc801\ub9bd
    \u2022 \ubd80\ubd84 \uc5f0\ucc28(\ubc18\ucc28/\uc2dc\uac04) \u2192 leave_used_today \uacbd\ub85c\ub85c \uae30\uc874 \ub2e8\ucd95 \uacc4\uc0b0 \uc720\uc9c0
- \uc790\ub3d9 \ucd9c\uadfc\uac10\uc9c0 \uac00\ub4dc: load_today_data\uc5d0\uc11c \uc885\uc77c \uc5f0\ucc28\uc77c\uc774\uba74 event_monitor \ud638\ucd9c \uc790\uccb4 \uc2a4\ud0b5
- \uc218\ub3d9 \ucd9c\uadfc \uac00\ub4dc: manual_clock_in\uc5d0\uc11c \uc885\uc77c \uc5f0\ucc28\uc77c \ud655\uc778 \ud504\ub86c\ud504\ud2b8
- AddLeaveDialog \uac80\uc99d \uac15\ud654:
    \u2022 \ubbf8\ub798 1\ub144\uae4c\uc9c0 setMaximumDate
    \u2022 \uc8fc\ub9d0/\uacf5\ud734\uc77c \ub4f1\ub85d \ucc28\ub2e8 (\uc774\ubbf8 \ube44\uadfc\ubb34\uc77c)
    \u2022 \uac19\uc740 \ub0a0 1\uc77c \ucd08\uacfc \ub204\uc801 \ucc28\ub2e8
- leave_calendar_view: \uc608\uc815(\ud30c\ub791) / \uc0ac\uc6a9\uc644\ub8cc(\ub179/\ub178/\ubcf4) \uc0c9\uc0c1 \ubd84\ub9ac

Phase 2 \u2014 \ud1b5\ud569 \uc2a4\ucf00\uc904 + \ubc18\ubcf5 \uc5f0\ucc28
- recurring_leaves \ud14c\uc774\ube14 (pattern/leave_type/days/start/end/memo)
- core/recurring_leaves.py: weekly / biweekly / monthly \ud328\ud134 \ud30c\uc11c + expand_for_range/date
- get_leave_minutes_for() / has_full_day_leave()\uac00 \ubc18\ubcf5 \ud328\ud134\ub3c4 \ud568\uaed8 \ud569\uc0b0
- ui/recurring_leave_dialog.py: \ub9e4\uc8fc/\uaca9\uc8fc/\ub9e4\uc6d4 \uc785\ub825 + \uc785\ub825 \ub9ac\uc2a4\ud2b8 \uad00\ub9ac
- ui/schedule_view.py: \uc6d4\uac04 \uc2a4\ud50c\ub9ac\ud130 \ub808\uc774\uc544\uc6c3 (\uce98\ub9b0\ub354 + \uc0c1\uc138)
    \u2022 \ud734\uc77c(\ube68\uac15) / \uc5f0\ucc28 \uc0ac\uc6a9(\ub179\u30fb\ub178\u30fb\ubcf4) / \uc608\uc815(\ud30c\ub791) / \ubc18\ubcf5(\ud68c\uc0c9) \uc0c9 \ucf54\ub4dc
    \u2022 \ub0a0\uc9dc \ud074\ub9ad \u2192 \uc0c1\uc138 \ud328\ub110 (\ub3d9\uc77c\uc77c\uc790 \uad6c\uccb4 \uc5f0\ucc28 + \ubc18\ubcf5 \ub9e4\uce58)
    \u2022 \ub9ac\uc2a4\ud2b8 \uc6b0\ud074\ub9ad \uc0ad\uc81c (\uad6c\uccb4 / \ubc18\ubcf5 \uad6c\ubd84)
    \u2022 \uc6d4 \ubcc0\uacbd \uc2dc \uc790\ub3d9 reload
- \uc9c4\uc785\uc810: main_window.show_schedule(), tray menu '\ud83d\uddd3\ufe0f \uc2a4\ucf00\uc904', LeaveView '\ud83d\uddd3\ufe0f \uc2a4\ucf00\uc904' \ubc84\ud2bc

Tests
- tests/test_recurring_leaves.py 32\uac1c (\ud328\ud134 \ud30c\uc2f1 / \ub9e4\uce6d / expand / describe)
- tests/test_database.py +12 (TestLeaveQueriesByDate + TestRecurringLeavesDB)
- _integration_test.py +4 (S52B-S52E)
- pytest: 122 \u2192 175 \uc804\ubd80 green
- \ud1b5\ud569: 49 \u2192 53 \uc804\ubd80 green
- UI-5/UI-7 \uae30\uc874 \uace0\uc7a5 (v2.8.0 \ub514\uc790\uc778 \ub9ac\ub274\uc5bc \ub9c8\ub108)

_integration_test.py

@@ -696,6 +696,50 @@ def s51_accessibility_keys():
     assert db.get_setting_bool('high_contrast') is True
 
 
+@case("S52B. 미리 등록 종일 연차: has_full_day_leave True + 시간 환산")
+def s52b_planned_leave():
+    db = fresh_db('s52b')
+    db.add_leave_record('2026-05-15', '연차', 1.0, '여행')
+    assert db.has_full_day_leave('2026-05-15')
+    assert db.get_leave_minutes_for('2026-05-15') == 480
+    # 다른 날엔 영향 없음
+    assert not db.has_full_day_leave('2026-05-16')
+
+
+@case("S52C. 반복 패턴 (매주 금요일 반차) → 다음 금요일 자동 차감")
+def s52c_recurring_leave():
+    db = fresh_db('s52c')
+    db.add_recurring_leave('weekly:friday', '반차', 0.5, '2026-01-01')
+    # 2026-05-01 = Friday
+    assert db.get_leave_minutes_for('2026-05-01') == 240
+    # Monday
+    assert db.get_leave_minutes_for('2026-05-04') == 0
+    # 종일 아님
+    assert not db.has_full_day_leave('2026-05-01')
+
+
+@case("S52D. effective_work_minutes: 반차 등록 시 work_minutes 절반")
+def s52d_effective():
+    from core.time_calculator import TimeCalculator
+    db = fresh_db('s52d')
+    db.add_leave_record('2026-05-15', '오전반차', 0.5)
+    calc = TimeCalculator(work_minutes=480)
+    target = datetime(2026, 5, 15)
+    assert calc.effective_work_minutes(target, db) == 240
+    # 다른 날엔 변화 없음
+    other = datetime(2026, 5, 16)
+    assert calc.effective_work_minutes(other, db) == 480
+
+
+@case("S52E. effective_work_minutes: 종일 연차 시 0")
+def s52e_full_day():
+    from core.time_calculator import TimeCalculator
+    db = fresh_db('s52e')
+    db.add_leave_record('2026-05-15', '연차', 1.0)
+    calc = TimeCalculator(work_minutes=480)
+    assert calc.effective_work_minutes(datetime(2026, 5, 15), db) == 0
+
+
 @case("S52A. 휴일 hot-path: is_non_working_day → 출근 직후부터 즉시 연장 적립")
 def s52a_holiday_hotpath():
     """update_display 분기 회귀 — 휴일에 출근 1분 = 적립 0, 30분 = 적립 30."""
@@ -789,6 +833,10 @@ def main():
     s50_goals()
     s51_accessibility_keys()
     s52a_holiday_hotpath()
+    s52b_planned_leave()
+    s52c_recurring_leave()
+    s52d_effective()
+    s52e_full_day()
     s52_csv_overtime()
 
     print()

core/database.py

@@ -209,6 +209,24 @@ class Database:
             )
         ''')
 
+        # 반복 연차 패턴 테이블 (P2)
+        # pattern 형식:
+        #   'weekly:friday' / 'weekly:mon,wed' (요일 영문 소문자, 콤마 구분)
+        #   'biweekly:friday' (격주)
+        #   'monthly:15' (매월 N일)
+        cursor.execute('''
+            CREATE TABLE IF NOT EXISTS recurring_leaves (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                pattern TEXT NOT NULL,
+                leave_type TEXT NOT NULL,
+                days REAL NOT NULL,
+                start_date DATE NOT NULL,
+                end_date DATE,
+                memo TEXT,
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+            )
+        ''')
+
     def migrate_break_records_cascade(self):
         """break_records 테이블에 CASCADE 제약조건 추가 (마이그레이션).
 
@@ -962,12 +980,108 @@ class Database:
     def get_today_leave_minutes(self) -> int:
         """오늘 사용한 연차/반차 시간 조회 (분)"""
         from datetime import date
-        today = date.today().isoformat()
+        return self.get_leave_minutes_for(date.today().isoformat())
+
+    def get_leave_minutes_for(self, date_str: str) -> int:
+        """특정 날짜에 등록된 연차 합계를 분 단위로 반환.
+
+        구체 leave_records + 매치되는 recurring_leaves 인스턴스 합산.
+        예정/사용 구분 없음.
+        """
+        days = self._effective_leave_days_for(date_str)
+        return int(days * self.get_work_minutes())
+
+    def has_full_day_leave(self, date_str: str) -> bool:
+        """해당 날짜에 종일(또는 그 이상) 연차가 등록되어 있는지.
+
+        구체 + 반복 패턴 모두 검사.
+        """
+        return self._effective_leave_days_for(date_str) >= 1.0
+
+    def _effective_leave_days_for(self, date_str: str) -> float:
+        """구체 leave_records + 반복 패턴 매치를 합산한 일수."""
         with self._conn() as conn:
             cursor = conn.cursor()
-            cursor.execute('SELECT SUM(days) FROM leave_records WHERE date = ?', (today,))
-            days = cursor.fetchone()[0] or 0.0
-        return int(days * self.get_work_minutes())
+            cursor.execute('SELECT SUM(days) FROM leave_records WHERE date = ?',
+                            (date_str,))
+            concrete_days = float(cursor.fetchone()[0] or 0.0)
+
+        # 반복 패턴 — 매번 호출되니 lazy import + 가벼운 query
+        try:
+            from core.recurring_leaves import expand_for_date
+            from datetime import datetime as _dt
+            target = _dt.strptime(date_str, '%Y-%m-%d').date()
+            recs = self.get_recurring_leaves(active_on=date_str)
+            recurring_days = sum(o.days for o in expand_for_date(recs, target))
+        except Exception:
+            recurring_days = 0.0
+
+        return concrete_days + recurring_days
+
+    def get_leave_records_by_date(self, date_str: str) -> List[Dict]:
+        """해당 날짜에 등록된 leave_records 전체 (디스플레이/편집용)."""
+        with self._conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute('SELECT * FROM leave_records WHERE date = ? ORDER BY id',
+                            (date_str,))
+            return [dict(row) for row in cursor.fetchall()]
+
+    def get_leave_records_by_range(self, start_date: str, end_date: str) -> List[Dict]:
+        """기간 내 leave_records (스케줄 화면용). start/end inclusive."""
+        with self._conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute('''
+                SELECT * FROM leave_records
+                WHERE date BETWEEN ? AND ?
+                ORDER BY date ASC, id ASC
+            ''', (start_date, end_date))
+            return [dict(row) for row in cursor.fetchall()]
+
+    # ===== 반복 연차 (recurring_leaves) — P2 =====
+
+    def add_recurring_leave(self, pattern: str, leave_type: str, days: float,
+                             start_date: str, end_date: str = None,
+                             memo: str = None) -> int:
+        """반복 연차 패턴 등록.
+
+        Args:
+            pattern: 'weekly:friday' / 'biweekly:mon' / 'monthly:15' 등
+            leave_type: '연차' / '반차' / '시간' 등 (표시용)
+            days: 한 회당 차감 일수 (0.5 = 반차)
+            start_date: 시작일 'YYYY-MM-DD'
+            end_date: 종료일 또는 None(=무기한)
+            memo: 옵션
+        """
+        with self._conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute('''
+                INSERT INTO recurring_leaves
+                    (pattern, leave_type, days, start_date, end_date, memo)
+                VALUES (?, ?, ?, ?, ?, ?)
+            ''', (pattern, leave_type, days, start_date, end_date, memo))
+            conn.commit()
+            return cursor.lastrowid
+
+    def get_recurring_leaves(self, active_on: str = None) -> List[Dict]:
+        """반복 패턴 목록. active_on 지정 시 그날 유효한 것만."""
+        with self._conn() as conn:
+            cursor = conn.cursor()
+            if active_on:
+                cursor.execute('''
+                    SELECT * FROM recurring_leaves
+                    WHERE start_date <= ?
+                      AND (end_date IS NULL OR end_date >= ?)
+                    ORDER BY id
+                ''', (active_on, active_on))
+            else:
+                cursor.execute('SELECT * FROM recurring_leaves ORDER BY id')
+            return [dict(row) for row in cursor.fetchall()]
+
+    def delete_recurring_leave(self, rec_id: int) -> None:
+        with self._conn() as conn:
+            cursor = conn.cursor()
+            cursor.execute('DELETE FROM recurring_leaves WHERE id = ?', (rec_id,))
+            conn.commit()
 
     def add_initial_overtime_balance(self, minutes: int):
         """초기 연장근무 잔액 추가"""

core/recurring_leaves.py

@@ -0,0 +1,153 @@
+"""
+반복 연차 패턴 파싱 + 일자 확장.
+
+지원 패턴:
+    - 'weekly:friday'           — 매주 금요일
+    - 'weekly:mon,wed,fri'      — 매주 월·수·금
+    - 'biweekly:friday'         — 격주 금요일 (start_date 기준)
+    - 'monthly:15'              — 매월 15일 (해당 월에 그 일이 없으면 스킵)
+
+반복 인스턴스는 DB에 영속화하지 않고 호출 시점에 expand_for_range()로 펼친다.
+같은 날짜에 leave_records(구체 인스턴스)가 이미 있으면 호출자가 합산 로직 책임.
+"""
+from __future__ import annotations
+from dataclasses import dataclass
+from datetime import date, datetime, timedelta
+from typing import List, Dict, Optional
+
+
+_WEEKDAY_MAP = {
+    'mon': 0, 'monday': 0,
+    'tue': 1, 'tuesday': 1,
+    'wed': 2, 'wednesday': 2,
+    'thu': 3, 'thursday': 3,
+    'fri': 4, 'friday': 4,
+    'sat': 5, 'saturday': 5,
+    'sun': 6, 'sunday': 6,
+}
+
+
+@dataclass
+class Occurrence:
+    """반복 패턴이 펼친 한 인스턴스."""
+    date: date
+    leave_type: str
+    days: float
+    pattern: str
+    memo: str = ''
+    recurring_id: Optional[int] = None
+
+
+def _parse_pattern(pattern: str):
+    """('weekly'|'biweekly'|'monthly', 추가정보) 튜플 반환. 잘못된 패턴은 None."""
+    if not pattern or ':' not in pattern:
+        return None
+    kind, rest = pattern.split(':', 1)
+    kind = kind.strip().lower()
+    rest = rest.strip().lower()
+    if kind in ('weekly', 'biweekly'):
+        days = [d.strip() for d in rest.split(',') if d.strip()]
+        weekdays = [_WEEKDAY_MAP[d] for d in days if d in _WEEKDAY_MAP]
+        if not weekdays:
+            return None
+        return (kind, weekdays)
+    if kind == 'monthly':
+        try:
+            day_of_month = int(rest)
+            if 1 <= day_of_month <= 31:
+                return (kind, day_of_month)
+        except ValueError:
+            return None
+    return None
+
+
+def matches(rec: Dict, target_date: date) -> bool:
+    """단일 패턴 rec이 target_date에 매치되는지."""
+    start = _parse_date(rec.get('start_date'))
+    end = _parse_date(rec.get('end_date'))
+    if start is None:
+        return False
+    if target_date < start:
+        return False
+    if end is not None and target_date > end:
+        return False
+
+    parsed = _parse_pattern(rec.get('pattern', ''))
+    if parsed is None:
+        return False
+    kind, info = parsed
+
+    if kind == 'weekly':
+        return target_date.weekday() in info
+
+    if kind == 'biweekly':
+        if target_date.weekday() not in info:
+            return False
+        # start_date의 주(월요일 기준)와 target의 주의 격주 여부
+        weeks = (target_date - start).days // 7
+        return weeks % 2 == 0
+
+    if kind == 'monthly':
+        return target_date.day == info
+
+    return False
+
+
+def expand_for_range(records: List[Dict], start: date, end: date) -> List[Occurrence]:
+    """여러 반복 패턴을 [start, end] 범위에서 펼친다.
+
+    반환은 날짜 오름차순. 같은 날 여러 패턴이 매치되면 모두 포함.
+    """
+    out: List[Occurrence] = []
+    if start > end:
+        return out
+    cur = start
+    while cur <= end:
+        for r in records:
+            try:
+                if matches(r, cur):
+                    out.append(Occurrence(
+                        date=cur,
+                        leave_type=r.get('leave_type') or '연차',
+                        days=float(r.get('days') or 0),
+                        pattern=r.get('pattern', ''),
+                        memo=r.get('memo') or '',
+                        recurring_id=r.get('id'),
+                    ))
+            except Exception:
+                # 잘못된 패턴 1개가 전체를 망치지 않도록
+                continue
+        cur += timedelta(days=1)
+    return out
+
+
+def expand_for_date(records: List[Dict], target_date: date) -> List[Occurrence]:
+    """단일 날짜에 매치되는 인스턴스만."""
+    return expand_for_range(records, target_date, target_date)
+
+
+def _parse_date(s: Optional[str]) -> Optional[date]:
+    if not s:
+        return None
+    try:
+        return datetime.strptime(s, '%Y-%m-%d').date()
+    except (ValueError, TypeError):
+        return None
+
+
+_KO_WEEKDAY_NAMES = ['월', '화', '수', '목', '금', '토', '일']
+
+
+def describe_pattern(pattern: str) -> str:
+    """사용자에게 보여줄 패턴 설명. ko."""
+    parsed = _parse_pattern(pattern)
+    if parsed is None:
+        return pattern
+    kind, info = parsed
+    if kind in ('weekly', 'biweekly'):
+        names = [_KO_WEEKDAY_NAMES[w] for w in info]
+        prefix = '매주' if kind == 'weekly' else '격주'
+        return f"{prefix} {','.join(names)}요일"
+    if kind == 'monthly':
+        return f"매월 {info}일"
+    return pattern

core/time_calculator.py

@@ -236,6 +236,25 @@ class TimeCalculator:
         normal_clock_out = self.calculate_clock_out_time(clock_in, include_lunch, include_dinner)
         return normal_clock_out + timedelta(minutes=target_overtime_minutes)
 
+    def effective_work_minutes(self, date_obj: datetime, db) -> int:
+        """해당 날짜의 실효 근무 시간(분).
+
+        등록된 연차(반차/시간연차)만큼 정규 근무시간에서 차감.
+        종일 연차(>= work_minutes)면 0 반환.
+
+        Args:
+            date_obj: 기준 날짜 (datetime; 시각은 무시)
+            db: Database 인스턴스 (None이면 차감 없음)
+
+        Returns:
+            실효 work_minutes (>= 0)
+        """
+        if db is None:
+            return self.work_minutes
+        date_str = date_obj.strftime("%Y-%m-%d")
+        leave_min = db.get_leave_minutes_for(date_str)
+        return max(0, self.work_minutes - leave_min)
+
     def calculate_holiday_overtime(self, clock_in: datetime, current_time: datetime,
                                      include_lunch: bool = False,
                                      include_dinner: bool = False,

tests/test_database.py

@@ -108,3 +108,97 @@ class TestConsecutiveOvertimeDays:
             fresh_db.update_clock_out(d, '20:00:00', total_hours=11.0,
                                        overtime_minutes=120, overtime_earned=120)
         assert fresh_db.get_consecutive_overtime_days() == 3
+
+
+class TestLeaveQueriesByDate:
+    def test_get_leave_minutes_for_no_records(self, fresh_db):
+        assert fresh_db.get_leave_minutes_for('2026-05-01') == 0
+
+    def test_full_day_leave_detected(self, fresh_db):
+        fresh_db.add_leave_record('2026-05-15', '연차', 1.0, '여행')
+        assert fresh_db.has_full_day_leave('2026-05-15')
+        assert fresh_db.get_leave_minutes_for('2026-05-15') == 480
+
+    def test_half_day_not_full(self, fresh_db):
+        fresh_db.add_leave_record('2026-05-15', '반차', 0.5)
+        assert not fresh_db.has_full_day_leave('2026-05-15')
+        assert fresh_db.get_leave_minutes_for('2026-05-15') == 240
+
+    def test_two_halves_become_full(self, fresh_db):
+        fresh_db.add_leave_record('2026-05-15', '오전반차', 0.5)
+        fresh_db.add_leave_record('2026-05-15', '오후반차', 0.5)
+        assert fresh_db.has_full_day_leave('2026-05-15')
+        assert fresh_db.get_leave_minutes_for('2026-05-15') == 480
+
+    def test_records_by_date(self, fresh_db):
+        fresh_db.add_leave_record('2026-05-15', '연차', 1.0, '메모')
+        recs = fresh_db.get_leave_records_by_date('2026-05-15')
+        assert len(recs) == 1
+        assert recs[0]['leave_type'] == '연차'
+        assert recs[0]['memo'] == '메모'
+
+    def test_records_by_range(self, fresh_db):
+        fresh_db.add_leave_record('2026-05-01', '연차', 1.0)
+        fresh_db.add_leave_record('2026-05-10', '반차', 0.5)
+        fresh_db.add_leave_record('2026-06-01', '연차', 1.0)
+        recs = fresh_db.get_leave_records_by_range('2026-05-01', '2026-05-31')
+        assert len(recs) == 2
+        # 날짜 정렬
+        assert recs[0]['date'] == '2026-05-01'
+        assert recs[1]['date'] == '2026-05-10'
+
+
+class TestRecurringLeavesDB:
+    def test_add_and_list(self, fresh_db):
+        rid = fresh_db.add_recurring_leave(
+            'weekly:friday', '반차', 0.5, '2026-05-01', '2026-12-31', '단축'
+        )
+        assert rid > 0
+        recs = fresh_db.get_recurring_leaves()
+        assert len(recs) == 1
+        assert recs[0]['pattern'] == 'weekly:friday'
+        assert recs[0]['memo'] == '단축'
+
+    def test_active_on_filter(self, fresh_db):
+        # 종료일이 지난 패턴
+        fresh_db.add_recurring_leave('weekly:fri', '반차', 0.5,
+                                       '2025-01-01', '2025-12-31')
+        # 아직 시작 안 한 패턴
+        fresh_db.add_recurring_leave('weekly:mon', '반차', 0.5,
+                                       '2027-01-01', None)
+        # 현재 활성 패턴
+        fresh_db.add_recurring_leave('monthly:15', '연차', 1.0,
+                                       '2026-01-01', None)
+        active = fresh_db.get_recurring_leaves(active_on='2026-05-15')
+        assert len(active) == 1
+        assert active[0]['pattern'] == 'monthly:15'
+
+    def test_delete(self, fresh_db):
+        rid = fresh_db.add_recurring_leave('weekly:fri', '반차', 0.5,
+                                              '2026-01-01')
+        assert len(fresh_db.get_recurring_leaves()) == 1
+        fresh_db.delete_recurring_leave(rid)
+        assert fresh_db.get_recurring_leaves() == []
+
+    def test_recurring_contributes_to_leave_minutes(self, fresh_db):
+        # 매주 금요일 반차
+        fresh_db.add_recurring_leave('weekly:friday', '반차', 0.5,
+                                       '2026-01-01')
+        # 2026-05-01 = Friday → 240분
+        assert fresh_db.get_leave_minutes_for('2026-05-01') == 240
+        # 2026-05-04 = Monday → 0분
+        assert fresh_db.get_leave_minutes_for('2026-05-04') == 0
+
+    def test_concrete_plus_recurring_sum(self, fresh_db):
+        # 매주 금요일 반차 + 그날 별도 반반차 추가
+        fresh_db.add_recurring_leave('weekly:friday', '반차', 0.5, '2026-01-01')
+        fresh_db.add_leave_record('2026-05-01', '반반차', 0.25)
+        # 0.5 + 0.25 = 0.75일 = 360분
+        assert fresh_db.get_leave_minutes_for('2026-05-01') == 360
+        assert not fresh_db.has_full_day_leave('2026-05-01')
+
+    def test_concrete_plus_recurring_full_day(self, fresh_db):
+        fresh_db.add_recurring_leave('weekly:friday', '반차', 0.5, '2026-01-01')
+        fresh_db.add_leave_record('2026-05-01', '오후반차', 0.5)
+        # 0.5 + 0.5 = 1.0일
+        assert fresh_db.has_full_day_leave('2026-05-01')

tests/test_recurring_leaves.py

@@ -0,0 +1,153 @@
+"""
+core.recurring_leaves 단위 테스트.
+"""
+import os
+import sys
+from datetime import date
+
+import pytest
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from core.recurring_leaves import (
+    matches, expand_for_range, expand_for_date, describe_pattern, _parse_pattern,
+)
+
+
+class TestParsePattern:
+    @pytest.mark.parametrize("pattern,expected_kind", [
+        ('weekly:friday', 'weekly'),
+        ('weekly:fri', 'weekly'),
+        ('weekly:mon,wed,fri', 'weekly'),
+        ('biweekly:friday', 'biweekly'),
+        ('monthly:15', 'monthly'),
+        ('monthly:1', 'monthly'),
+    ])
+    def test_valid(self, pattern, expected_kind):
+        result = _parse_pattern(pattern)
+        assert result is not None
+        assert result[0] == expected_kind
+
+    @pytest.mark.parametrize("pattern", [
+        '', 'weekly', 'weekly:', 'weekly:xyz',
+        'monthly:0', 'monthly:32', 'monthly:abc',
+        'unknown:fri', None,
+    ])
+    def test_invalid(self, pattern):
+        assert _parse_pattern(pattern) is None
+
+
+class TestMatches:
+    def _rec(self, pattern, start='2026-01-01', end=None, days=0.5, leave_type='반차'):
+        return {
+            'pattern': pattern,
+            'start_date': start,
+            'end_date': end,
+            'days': days,
+            'leave_type': leave_type,
+        }
+
+    def test_weekly_single_day(self):
+        rec = self._rec('weekly:friday')
+        assert matches(rec, date(2026, 5, 1))   # Fri
+        assert not matches(rec, date(2026, 5, 2))  # Sat
+        assert not matches(rec, date(2026, 5, 4))  # Mon
+
+    def test_weekly_multiple_days(self):
+        rec = self._rec('weekly:mon,wed,fri')
+        assert matches(rec, date(2026, 5, 4))   # Mon
+        assert matches(rec, date(2026, 5, 6))   # Wed
+        assert matches(rec, date(2026, 5, 8))   # Fri
+        assert not matches(rec, date(2026, 5, 5))  # Tue
+        assert not matches(rec, date(2026, 5, 7))  # Thu
+
+    def test_biweekly_alignment(self):
+        # start_date 2026-01-02 = Friday (week 0)
+        rec = self._rec('biweekly:friday', start='2026-01-02')
+        assert matches(rec, date(2026, 1, 2))   # week 0
+        assert not matches(rec, date(2026, 1, 9))   # week 1
+        assert matches(rec, date(2026, 1, 16))  # week 2
+
+    def test_monthly(self):
+        rec = self._rec('monthly:15')
+        assert matches(rec, date(2026, 1, 15))
+        assert matches(rec, date(2026, 5, 15))
+        assert not matches(rec, date(2026, 5, 14))
+        assert not matches(rec, date(2026, 5, 16))
+
+    def test_monthly_skipped_in_short_month(self):
+        # 31일은 30일 달에는 매치되지 않음
+        rec = self._rec('monthly:31')
+        assert matches(rec, date(2026, 1, 31))
+        assert not matches(rec, date(2026, 4, 30))  # 4월 31일 없음
+
+    def test_before_start(self):
+        rec = self._rec('weekly:friday', start='2026-05-01')
+        assert matches(rec, date(2026, 5, 1))
+        assert not matches(rec, date(2026, 4, 24))  # 시작 전
+
+    def test_after_end(self):
+        rec = self._rec('weekly:friday', start='2026-01-01', end='2026-04-30')
+        assert matches(rec, date(2026, 4, 24))  # 종료일 이전 금요일
+        assert not matches(rec, date(2026, 5, 1))  # 종료일 이후
+
+    def test_no_end_means_forever(self):
+        rec = self._rec('weekly:friday', start='2026-01-01', end=None)
+        assert matches(rec, date(2030, 1, 4))  # 4년 후 금요일
+
+    def test_invalid_pattern_returns_false(self):
+        rec = self._rec('garbage:xyz')
+        assert not matches(rec, date(2026, 5, 1))
+
+
+class TestExpandRange:
+    def _rec(self, pattern, start='2026-01-01'):
+        return {
+            'id': 1, 'pattern': pattern, 'start_date': start, 'end_date': None,
+            'days': 0.5, 'leave_type': '반차', 'memo': '',
+        }
+
+    def test_expand_weekly_one_month(self):
+        rec = self._rec('weekly:friday')
+        occs = expand_for_range([rec], date(2026, 5, 1), date(2026, 5, 31))
+        # 5월 금요일: 1, 8, 15, 22, 29 = 5회
+        assert len(occs) == 5
+        assert all(o.date.weekday() == 4 for o in occs)
+
+    def test_expand_empty_when_outside(self):
+        rec = self._rec('weekly:friday', start='2027-01-01')
+        occs = expand_for_range([rec], date(2026, 5, 1), date(2026, 5, 31))
+        assert occs == []
+
+    def test_expand_invalid_range(self):
+        # start > end
+        rec = self._rec('weekly:friday')
+        occs = expand_for_range([rec], date(2026, 5, 31), date(2026, 5, 1))
+        assert occs == []
+
+    def test_expand_multiple_recs(self):
+        rec_fri = self._rec('weekly:friday')
+        rec_mon = self._rec('weekly:monday')
+        rec_mon['id'] = 2
+        occs = expand_for_range([rec_fri, rec_mon], date(2026, 5, 1), date(2026, 5, 7))
+        # 5/1=Fri (rec_fri), 5/4=Mon (rec_mon)
+        assert len(occs) == 2
+
+    def test_expand_for_date_single(self):
+        rec = self._rec('monthly:15')
+        occs = expand_for_date([rec], date(2026, 5, 15))
+        assert len(occs) == 1
+        assert occs[0].date == date(2026, 5, 15)
+
+
+class TestDescribePattern:
+    def test_weekly_korean(self):
+        assert '매주' in describe_pattern('weekly:friday')
+        assert '금' in describe_pattern('weekly:friday')
+
+    def test_biweekly(self):
+        assert '격주' in describe_pattern('biweekly:friday')
+
+    def test_monthly(self):
+        assert '매월' in describe_pattern('monthly:15')
+        assert '15' in describe_pattern('monthly:15')

ui/leave_calendar_view.py

@@ -43,11 +43,10 @@ class LeaveCalendarView(QDialog):
         header.addStretch()
         layout.addLayout(header)
 
-        # 범례
+        # 범례 (사용 완료 + 예정 분리)
         legend = QHBoxLayout()
-        for label, color in [("🟩 종일(1.0)", "#4caf50"),
-                              ("🟨 반차(0.5)", "#ffc107"),
-                              ("🟪 반반차(0.25)", "#9c27b0")]:
+        for label in ["🟩 종일(1.0)", "🟨 반차(0.5)", "🟪 반반차(0.25)",
+                       "🔵 예정", "🔘 종일+예정"]:
             l = QLabel(label)
             l.setStyleSheet(f"padding: 2px 6px;")
             legend.addWidget(l)
@@ -76,7 +75,9 @@ class LeaveCalendarView(QDialog):
         self.setLayout(layout)
 
     def _mark_dates(self):
-        """연차 사용 일자에 색상 표시."""
+        """연차 일자 색상 표시. 미래 일자는 '예정'으로 파랑 톤."""
+        from datetime import date as _date
+        today = _date.today()
         records = self.db.get_all_leave_records(limit=365)
         for r in records:
             try:
@@ -85,12 +86,18 @@ class LeaveCalendarView(QDialog):
                 continue
             qd = QDate(d.year, d.month, d.day)
             days = float(r.get('days') or 0)
-            if days >= 1.0:
-                color = QColor("#4caf50")
-            elif days >= 0.5:
-                color = QColor("#ffc107")
+            is_planned = d > today
+            if is_planned:
+                # 미래 = 파랑 계열 (음영으로 종일/부분 구분)
+                color = QColor("#1976d2") if days >= 1.0 else QColor("#64b5f6")
             else:
-                color = QColor("#9c27b0")
+                # 과거/오늘 = 사용 완료 색상
+                if days >= 1.0:
+                    color = QColor("#4caf50")
+                elif days >= 0.5:
+                    color = QColor("#ffc107")
+                else:
+                    color = QColor("#9c27b0")
             fmt = QTextCharFormat()
             fmt.setBackground(QBrush(color))
             fmt.setForeground(QBrush(QColor("white")))

ui/leave_view.py

@@ -90,6 +90,11 @@ class LeaveView(QDialog):
         cal_button.clicked.connect(self._show_calendar)
         button_layout.addWidget(cal_button)
 
+        schedule_button = QPushButton("🗓️ 스케줄")
+        schedule_button.setToolTip("휴일 + 연차 + 반복 패턴 통합 보기")
+        schedule_button.clicked.connect(self._show_schedule)
+        button_layout.addWidget(schedule_button)
+
         close_button = QPushButton(tr('btn.close'))
         close_button.clicked.connect(self.close)
         button_layout.addWidget(close_button)
@@ -102,6 +107,13 @@ class LeaveView(QDialog):
         dlg = LeaveCalendarView(self, self.db)
         dlg.exec_()
 
+    def _show_schedule(self):
+        from ui.schedule_view import ScheduleView
+        dlg = ScheduleView(self, self.db)
+        dlg.exec_()
+        # 닫고 돌아오면 잔액/리스트 갱신
+        self.load_data()
+
     def load_data(self):
         """데이터 로드"""
         # 잔액 업데이트
@@ -249,6 +261,8 @@ class AddLeaveDialog(QDialog):
         self.date_edit = QDateEdit()
         self.date_edit.setDate(QDate.currentDate())
         self.date_edit.setCalendarPopup(True)
+        # 미래 1년까지 등록 가능 (Phase 1: 미리 등록)
+        self.date_edit.setMaximumDate(QDate.currentDate().addYears(1))
         row1.addWidget(date_label)
         row1.addWidget(self.date_edit)
         row1.addSpacing(8)
@@ -345,6 +359,38 @@ class AddLeaveDialog(QDialog):
             )
             return
 
+        # 휴일/주말 검증 — 차감 의미 없으므로 차단
+        from datetime import datetime as _dt
+        date_dt = _dt.strptime(date, "%Y-%m-%d")
+        if date_dt.weekday() in (5, 6):  # 토/일
+            QMessageBox.warning(
+                self,
+                "주말 등록 불가",
+                "주말에는 연차를 등록할 수 없습니다. (이미 비근무일)"
+            )
+            return
+        if self.db.is_holiday(date):
+            holiday = self.db.get_holiday(date)
+            name = (holiday or {}).get('name', '공휴일')
+            QMessageBox.warning(
+                self,
+                "공휴일 등록 불가",
+                f"{date}는 이미 공휴일({name})입니다.\n연차를 차감할 필요가 없습니다."
+            )
+            return
+
+        # 같은 날 중복 누적 검증 (이미 등록된 + 신규 days <= 1.0)
+        existing_min = self.db.get_leave_minutes_for(date)
+        existing_days = existing_min / max(1, self.db.get_work_minutes())
+        if existing_days + days > 1.0001:  # 부동소수점 여유
+            QMessageBox.warning(
+                self,
+                "중복 등록 초과",
+                f"{date}에 이미 {existing_days:.2f}일이 등록되어 있어\n"
+                f"추가 {days:.2f}일을 더하면 1일을 초과합니다."
+            )
+            return
+
         # 확인 메시지
         hours = days * 8
         reply = QMessageBox.question(

ui/main_window.py

@@ -631,6 +631,21 @@ class MainWindow(QMainWindow):
                 self.clock_out_button.setText("✅ 퇴근하기")
 
         else:
+            # 출근 기록 없음 — 종일 연차일이면 자동 감지·수동 입력 모두 스킵
+            today_str = datetime.now().date().isoformat()
+            if self.db.has_full_day_leave(today_str):
+                self.is_clocked_in = False
+                self.clock_out_button.setEnabled(False)
+                # 점심/저녁/외출/잔액 갱신만 수행
+                self.lunch_button.setChecked(False)
+                self.update_lunch_status()
+                self.dinner_button.setChecked(False)
+                self.update_dinner_status()
+                self.update_break_status()
+                self.update_overtime_balance()
+                self.update_leave_balance()
+                return
+
             # 출근 기록 없음 - 자동 감지 시도
             auto_clock_in = self.event_monitor.get_work_start_time()
 
@@ -701,6 +716,14 @@ class MainWindow(QMainWindow):
                 self.start_new_workday(now)
                 return
 
+        # 종일 연차일 — 출근 안 한 상태에서 전용 카드만 표시 후 종료.
+        # (수동 출근 override는 handle_clock_in 경로에서 별도 처리)
+        if not self.is_clocked_in:
+            today_str = now.date().isoformat()
+            if self.db.has_full_day_leave(today_str):
+                self._render_full_day_leave_state(today_str)
+                return
+
         # 출근하지 않았으면 여기서 종료
         if not self.is_clocked_in or not self.clock_in_time:
             return
@@ -728,9 +751,10 @@ class MainWindow(QMainWindow):
         # 총 차감 시간 (추가근무 + 연차/반차)
         total_time_off = overtime_used_today + leave_used_today
 
-        # 휴일/주말이면 출근 직후부터 모든 시간이 연장근무로 흐름.
-        # 정해진 퇴근 시각이 없으므로 calculate_remaining_time 분기를 건너뛴다.
-        is_holiday = self.time_calc.is_non_working_day(now, self.db)
+        # 휴일/주말 또는 종일연차 override → 출근 직후부터 모든 시간이 연장근무로 흐름.
+        is_non_working = self.time_calc.is_non_working_day(now, self.db)
+        is_full_day_leave = self.db.has_full_day_leave(now.date().isoformat())
+        is_holiday = is_non_working or is_full_day_leave
 
         if is_holiday:
             actual_ot, _ = self.time_calc.calculate_holiday_overtime(
@@ -739,11 +763,12 @@ class MainWindow(QMainWindow):
                 include_dinner=self.dinner_break_enabled,
                 break_minutes=break_minutes,
             )
-            # 추가근무/반차 사용분만큼 시작점을 늦춤 (즉 그만큼 적게 적립)
-            actual_ot = max(0, actual_ot - total_time_off)
+            # 사용한 추가근무 차감만 반영 (leave_used는 holiday/override 케이스에서 의미 없음)
+            actual_ot = max(0, actual_ot - overtime_used_today)
             remaining = -timedelta(minutes=actual_ot)
         else:
-            # 평일: 정상 남은 시간 계산
+            # 평일: 정상 남은 시간 계산. 부분 연차(반차/시간연차)는 leave_used_today에
+            # 그대로 반영되어 카운트다운이 단축됨.
             remaining = self.time_calc.calculate_remaining_time(
                 self.clock_in_time,
                 include_lunch=self.lunch_break_enabled,
@@ -756,9 +781,11 @@ class MainWindow(QMainWindow):
 
         # 남은 시간 표시 및 추가 근무 처리
         if remaining.total_seconds() < 0:
-            # 추가 근무 중 (휴일이면 출근 직후부터 항상 이 분기)
+            # 추가 근무 중 (휴일/연차 override면 출근 직후부터 항상 이 분기)
             day_type = self.time_calc.get_day_type(now, self.db)
-            if day_type == 'weekend':
+            if is_full_day_leave and not is_non_working:
+                self.remaining_time_group.setTitle("연차 override (전체 적립)")
+            elif day_type == 'weekend':
                 self.remaining_time_group.setTitle("주말 근무 (전체 적립)")
             elif day_type == 'holiday':
                 self.remaining_time_group.setTitle("공휴일 근무 (전체 적립)")
@@ -844,6 +871,35 @@ class MainWindow(QMainWindow):
         date_str = f"{now.year}년 {now.month}월 {now.day}일 {weekday}요일"
         self.date_label.setText(date_str)
 
+    def _render_full_day_leave_state(self, today_str: str) -> None:
+        """오늘이 종일 연차이고 출근 안 한 상태 → 카운트다운 대신 휴가 카드 표시."""
+        records = self.db.get_leave_records_by_date(today_str)
+        # 가장 큰 일수의 leave_type을 대표로 표시 (보통 1.0짜리 1건)
+        if records:
+            primary = max(records, key=lambda r: r.get('days') or 0)
+            label = primary.get('leave_type') or '연차'
+            memo = primary.get('memo') or ''
+        else:
+            label = '연차'
+            memo = ''
+
+        self.remaining_time_group.setTitle("🌴 오늘은 휴가")
+        self.remaining_time_label.setText("연차 사용 중")
+        self.remaining_time_label.setStyleSheet(
+            f"color: {ThemeColors.get('status_normal')}; font-size: 18px;"
+        )
+        self.progress_bar.setValue(100)
+        if memo:
+            self._set_text_if_changed(self.expected_time_label,
+                                        f"🌴 {label} — {memo}")
+        else:
+            self._set_text_if_changed(self.expected_time_label,
+                                        f"🌴 {label}")
+        # 트레이/미니 위젯
+        self.tray_icon.update_time_display("🌴 휴가")
+        if getattr(self, '_mini_widget', None) is not None and self._mini_widget.isVisible():
+            self._mini_widget.update_remaining("🌴 휴가")
+
     def toggle_lunch_break(self):
         """점심시간 토글 — MealController 위임."""
         self._meal.toggle_lunch()
@@ -1637,6 +1693,20 @@ class MainWindow(QMainWindow):
 
     def manual_clock_in(self):
         """수동 출근 시간 입력"""
+        # 종일 연차 등록일이면 override 의도 확인
+        today_str = datetime.now().date().isoformat()
+        if self.db.has_full_day_leave(today_str):
+            reply = QMessageBox.question(
+                self,
+                "종일 연차 등록됨",
+                "오늘은 종일 연차로 등록되어 있습니다.\n"
+                "그래도 출근하시겠어요?\n\n"
+                "(출근 시 모든 시간이 연장근무로 적립됩니다.)",
+                QMessageBox.Yes | QMessageBox.No,
+            )
+            if reply != QMessageBox.Yes:
+                return
+
         # 기본값: 기존 출근시간이 있으면 그것을, 없으면 None
         default_time = self.clock_in_time if self.clock_in_time else None
 
@@ -1708,6 +1778,12 @@ class MainWindow(QMainWindow):
         dialog = CalendarView(self, self.db)
         dialog.exec_()
 
+    def show_schedule(self):
+        """통합 스케줄(휴일+연차+반복) 창 표시."""
+        from ui.schedule_view import ScheduleView
+        dlg = ScheduleView(self, self.db)
+        dlg.exec_()
+
     def show_leave_management(self):
         """휴가 관리 창 표시"""
         dialog = LeaveView(self, self.db)

ui/recurring_leave_dialog.py

@@ -0,0 +1,199 @@
+"""
+반복 연차 등록/관리 다이얼로그.
+
+지원: 매주/격주 요일, 매월 N일.
+"""
+from __future__ import annotations
+from datetime import date
+
+from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+                              QPushButton, QComboBox, QDateEdit, QSpinBox,
+                              QDoubleSpinBox, QLineEdit, QGroupBox,
+                              QListWidget, QListWidgetItem, QMessageBox,
+                              QCheckBox, QButtonGroup, QRadioButton)
+from PyQt5.QtCore import QDate, Qt
+
+from core.recurring_leaves import describe_pattern
+from ui.styles import apply_dark_titlebar
+
+
+_KO_WEEKDAYS = [('월', 'mon'), ('화', 'tue'), ('수', 'wed'),
+                ('목', 'thu'), ('금', 'fri'), ('토', 'sat'), ('일', 'sun')]
+
+
+class RecurringLeaveDialog(QDialog):
+    """반복 연차 패턴 추가/삭제."""
+
+    def __init__(self, parent=None, db=None):
+        super().__init__(parent)
+        self.db = db
+        self.setWindowTitle("🔁 반복 연차 관리")
+        self.setMinimumSize(540, 480)
+        self._build_ui()
+        self._reload_list()
+        apply_dark_titlebar(self)
+
+    def _build_ui(self):
+        layout = QVBoxLayout()
+
+        # 기존 패턴 목록
+        list_group = QGroupBox("등록된 반복 패턴")
+        lg = QVBoxLayout()
+        self.list_widget = QListWidget()
+        self.list_widget.setMinimumHeight(160)
+        lg.addWidget(self.list_widget)
+        del_btn = QPushButton("선택 삭제")
+        del_btn.clicked.connect(self._delete_selected)
+        lg.addWidget(del_btn)
+        list_group.setLayout(lg)
+        layout.addWidget(list_group)
+
+        # 신규 등록
+        add_group = QGroupBox("신규 패턴 추가")
+        ag = QVBoxLayout()
+
+        # 패턴 종류
+        kind_row = QHBoxLayout()
+        kind_row.addWidget(QLabel("주기:"))
+        self.kind_group = QButtonGroup(self)
+        self.rb_weekly = QRadioButton("매주")
+        self.rb_weekly.setChecked(True)
+        self.rb_biweekly = QRadioButton("격주")
+        self.rb_monthly = QRadioButton("매월 N일")
+        for rb in (self.rb_weekly, self.rb_biweekly, self.rb_monthly):
+            self.kind_group.addButton(rb)
+            kind_row.addWidget(rb)
+        kind_row.addStretch()
+        ag.addLayout(kind_row)
+
+        # 요일 체크박스 (weekly/biweekly)
+        wd_row = QHBoxLayout()
+        wd_row.addWidget(QLabel("요일:"))
+        self.weekday_checks = []
+        for ko, en in _KO_WEEKDAYS:
+            cb = QCheckBox(ko)
+            self.weekday_checks.append((cb, en))
+            wd_row.addWidget(cb)
+        wd_row.addStretch()
+        ag.addLayout(wd_row)
+
+        # 매월 N일
+        month_row = QHBoxLayout()
+        month_row.addWidget(QLabel("매월:"))
+        self.day_of_month = QSpinBox()
+        self.day_of_month.setRange(1, 31)
+        self.day_of_month.setValue(15)
+        self.day_of_month.setSuffix("일")
+        month_row.addWidget(self.day_of_month)
+        month_row.addStretch()
+        ag.addLayout(month_row)
+
+        # 차감 일수
+        days_row = QHBoxLayout()
+        days_row.addWidget(QLabel("차감:"))
+        self.days_combo = QComboBox()
+        self.days_combo.addItem("1.0일 (종일)", 1.0)
+        self.days_combo.addItem("0.5일 (반차)", 0.5)
+        self.days_combo.addItem("0.25일 (반반차)", 0.25)
+        days_row.addWidget(self.days_combo)
+        days_row.addStretch()
+        ag.addLayout(days_row)
+
+        # 시작/종료 날짜
+        date_row = QHBoxLayout()
+        date_row.addWidget(QLabel("시작:"))
+        self.start_edit = QDateEdit()
+        self.start_edit.setDate(QDate.currentDate())
+        self.start_edit.setCalendarPopup(True)
+        date_row.addWidget(self.start_edit)
+
+        date_row.addWidget(QLabel("종료:"))
+        self.end_edit = QDateEdit()
+        self.end_edit.setDate(QDate.currentDate().addMonths(6))
+        self.end_edit.setCalendarPopup(True)
+        date_row.addWidget(self.end_edit)
+        self.no_end_check = QCheckBox("종료 없음 (무기한)")
+        self.no_end_check.toggled.connect(
+            lambda v: self.end_edit.setEnabled(not v)
+        )
+        date_row.addWidget(self.no_end_check)
+        date_row.addStretch()
+        ag.addLayout(date_row)
+
+        # 메모
+        memo_row = QHBoxLayout()
+        memo_row.addWidget(QLabel("메모:"))
+        self.memo_edit = QLineEdit()
+        self.memo_edit.setPlaceholderText("예: 육아 단축근무")
+        memo_row.addWidget(self.memo_edit)
+        ag.addLayout(memo_row)
+
+        # 추가 버튼
+        add_btn = QPushButton("➕ 추가")
+        add_btn.setObjectName("btn_primary")
+        add_btn.clicked.connect(self._save)
+        ag.addWidget(add_btn)
+
+        add_group.setLayout(ag)
+        layout.addWidget(add_group)
+
+        # 닫기
+        close_btn = QPushButton("닫기")
+        close_btn.clicked.connect(self.close)
+        layout.addWidget(close_btn)
+
+        self.setLayout(layout)
+
+    def _reload_list(self):
+        self.list_widget.clear()
+        for r in self.db.get_recurring_leaves():
+            desc = describe_pattern(r['pattern'])
+            end = r.get('end_date') or '무기한'
+            text = (f"[{r['id']}] {desc} · {r['days']}일 ({r['leave_type']}) "
+                     f"· {r['start_date']} ~ {end}")
+            if r.get('memo'):
+                text += f" — {r['memo']}"
+            item = QListWidgetItem(text)
+            item.setData(Qt.UserRole, r['id'])
+            self.list_widget.addItem(item)
+
+    def _delete_selected(self):
+        item = self.list_widget.currentItem()
+        if not item:
+            return
+        rec_id = item.data(Qt.UserRole)
+        reply = QMessageBox.question(
+            self, "삭제 확인",
+            f"이 반복 패턴을 삭제하시겠습니까?\n\n{item.text()}",
+            QMessageBox.Yes | QMessageBox.No,
+        )
+        if reply == QMessageBox.Yes:
+            self.db.delete_recurring_leave(rec_id)
+            self._reload_list()
+
+    def _build_pattern(self) -> str | None:
+        if self.rb_monthly.isChecked():
+            return f"monthly:{self.day_of_month.value()}"
+        # weekly/biweekly
+        chosen = [en for cb, en in self.weekday_checks if cb.isChecked()]
+        if not chosen:
+            return None
+        prefix = 'weekly' if self.rb_weekly.isChecked() else 'biweekly'
+        return f"{prefix}:" + ",".join(chosen)
+
+    def _save(self):
+        pattern = self._build_pattern()
+        if not pattern:
+            QMessageBox.warning(self, "입력 오류", "최소 한 개 요일을 선택하세요.")
+            return
+        days = self.days_combo.currentData()
+        leave_type = self.days_combo.currentText().split(' ')[1].strip('()')
+        start = self.start_edit.date().toString('yyyy-MM-dd')
+        end = None if self.no_end_check.isChecked() else self.end_edit.date().toString('yyyy-MM-dd')
+        memo = self.memo_edit.text().strip()
+
+        self.db.add_recurring_leave(pattern, leave_type, days, start, end, memo)
+        QMessageBox.information(self, "추가 완료",
+                                  f"반복 패턴이 등록되었습니다.\n{describe_pattern(pattern)}")
+        self.memo_edit.clear()
+        self._reload_list()

ui/schedule_view.py

@@ -0,0 +1,315 @@
+"""
+통합 스케줄 화면 — 휴일 + 연차(예정/사용) + 반복 패턴.
+
+기능:
+    - 월별 캘린더 + 색상 코드 (휴일 빨강, 종일 연차 녹/파, 반차 노랑, 반반차 보라, 반복 회색)
+    - 클릭한 날짜의 상세 (연차 추가/삭제, 휴일 정보, 매치되는 반복 패턴)
+    - 반복 패턴 관리 → RecurringLeaveDialog
+"""
+from __future__ import annotations
+from datetime import datetime, date, timedelta
+from typing import List
+
+from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+                              QPushButton, QCalendarWidget, QListWidget,
+                              QListWidgetItem, QMessageBox, QMenu,
+                              QGroupBox, QSplitter, QWidget)
+from PyQt5.QtCore import Qt, QDate
+from PyQt5.QtGui import QTextCharFormat, QColor, QBrush
+
+from core.recurring_leaves import expand_for_range, describe_pattern
+from ui.styles import apply_dark_titlebar
+
+
+# 색상 팔레트
+_C_HOLIDAY = QColor("#e53935")          # 빨강
+_C_LEAVE_FULL_PAST = QColor("#4caf50")  # 녹색 (사용)
+_C_LEAVE_HALF_PAST = QColor("#ffc107")  # 노랑 (반차 사용)
+_C_LEAVE_QUART_PAST = QColor("#9c27b0") # 보라 (반반차 사용)
+_C_LEAVE_FULL_PLAN = QColor("#1976d2")  # 진한 파랑 (예정 종일)
+_C_LEAVE_PART_PLAN = QColor("#64b5f6")  # 옅은 파랑 (예정 반차/반반차)
+_C_RECURRING = QColor("#78909c")        # 회색 (반복 패턴 매치)
+_C_TODAY = QColor("#ff9800")            # 주황 (오늘 강조 보더)
+
+
+class ScheduleView(QDialog):
+    """월간 통합 스케줄 다이얼로그."""
+
+    def __init__(self, parent=None, db=None):
+        super().__init__(parent)
+        self.db = db
+        self.setWindowTitle("🗓️ 스케줄")
+        self.setMinimumSize(820, 560)
+        self._build_ui()
+        self._reload()
+        apply_dark_titlebar(self)
+
+    def _build_ui(self):
+        layout = QVBoxLayout()
+
+        # 상단 툴바
+        bar = QHBoxLayout()
+        title = QLabel("월간 스케줄 — 휴일 + 연차 + 반복 패턴")
+        title.setStyleSheet("font-weight: bold; font-size: 13px;")
+        bar.addWidget(title)
+        bar.addStretch()
+
+        rec_btn = QPushButton("🔁 반복 패턴 관리")
+        rec_btn.clicked.connect(self._open_recurring_dialog)
+        bar.addWidget(rec_btn)
+
+        add_btn = QPushButton("➕ 연차 등록")
+        add_btn.clicked.connect(self._open_add_leave_dialog)
+        bar.addWidget(add_btn)
+
+        layout.addLayout(bar)
+
+        # 범례
+        legend = QHBoxLayout()
+        for label, color in [("공휴일", _C_HOLIDAY),
+                              ("연차 사용", _C_LEAVE_FULL_PAST),
+                              ("연차 예정", _C_LEAVE_FULL_PLAN),
+                              ("반차/반반차", _C_LEAVE_HALF_PAST),
+                              ("반복 패턴", _C_RECURRING)]:
+            sw = QLabel(f"  {label}  ")
+            sw.setStyleSheet(
+                f"background-color: {color.name()}; color: white; "
+                f"padding: 2px 6px; border-radius: 3px;"
+            )
+            legend.addWidget(sw)
+        legend.addStretch()
+        layout.addLayout(legend)
+
+        # 캘린더 + 상세 splitter
+        splitter = QSplitter(Qt.Horizontal)
+
+        # 좌측: 캘린더
+        self.calendar = QCalendarWidget()
+        self.calendar.setVerticalHeaderFormat(QCalendarWidget.NoVerticalHeader)
+        self.calendar.clicked.connect(self._on_date_click)
+        self.calendar.currentPageChanged.connect(self._on_page_change)
+        splitter.addWidget(self.calendar)
+
+        # 우측: 상세 패널
+        right = QWidget()
+        right_layout = QVBoxLayout()
+
+        self.detail_title = QLabel("날짜를 선택하세요")
+        self.detail_title.setStyleSheet("font-weight: bold; font-size: 14px;")
+        right_layout.addWidget(self.detail_title)
+
+        self.detail_list = QListWidget()
+        self.detail_list.setContextMenuPolicy(Qt.CustomContextMenu)
+        self.detail_list.customContextMenuRequested.connect(self._on_list_menu)
+        right_layout.addWidget(self.detail_list, 1)
+
+        right.setLayout(right_layout)
+        splitter.addWidget(right)
+        splitter.setSizes([520, 280])
+
+        layout.addWidget(splitter, 1)
+
+        close_btn = QPushButton("닫기")
+        close_btn.clicked.connect(self.close)
+        layout.addWidget(close_btn)
+
+        self.setLayout(layout)
+
+    # ------------------------------------------------------------- reload
+
+    def _reload(self):
+        """현재 화면 월에 대해 색상/리스트 갱신."""
+        # 모든 날짜 포맷 초기화
+        self.calendar.setDateTextFormat(QDate(), QTextCharFormat())
+
+        y = self.calendar.yearShown()
+        m = self.calendar.monthShown()
+        # 한 달 + 양 옆 1주씩 (캘린더에 보이는 모든 날)
+        first = date(y, m, 1)
+        if m == 12:
+            last = date(y + 1, 1, 1) - timedelta(days=1)
+        else:
+            last = date(y, m + 1, 1) - timedelta(days=1)
+        view_start = first - timedelta(days=7)
+        view_end = last + timedelta(days=7)
+
+        # 휴일
+        holidays = self.db.get_holidays_in_range(view_start.isoformat(),
+                                                    view_end.isoformat()) \
+                    if hasattr(self.db, 'get_holidays_in_range') else []
+        if not holidays:
+            holidays = self._fallback_holidays(view_start, view_end)
+
+        for h in holidays:
+            d = self._parse_date(h.get('date'))
+            if d is None:
+                continue
+            self._paint(d, _C_HOLIDAY, fg='white')
+
+        # 연차 (구체)
+        leaves = self.db.get_leave_records_by_range(view_start.isoformat(),
+                                                      view_end.isoformat())
+        today = date.today()
+        for r in leaves:
+            d = self._parse_date(r.get('date'))
+            if d is None:
+                continue
+            days = float(r.get('days') or 0)
+            is_planned = d > today
+            if is_planned:
+                color = _C_LEAVE_FULL_PLAN if days >= 1.0 else _C_LEAVE_PART_PLAN
+            else:
+                if days >= 1.0:
+                    color = _C_LEAVE_FULL_PAST
+                elif days >= 0.5:
+                    color = _C_LEAVE_HALF_PAST
+                else:
+                    color = _C_LEAVE_QUART_PAST
+            self._paint(d, color, fg='white')
+
+        # 반복 패턴 인스턴스
+        recurring = self.db.get_recurring_leaves()
+        for occ in expand_for_range(recurring, view_start, view_end):
+            # 같은 날짜에 구체 leave가 있으면 그 색상이 우선 (덮어쓰지 않음)
+            existing = self.calendar.dateTextFormat(
+                QDate(occ.date.year, occ.date.month, occ.date.day))
+            if existing.background() != QBrush():
+                continue
+            self._paint(occ.date, _C_RECURRING, fg='white')
+
+    def _paint(self, d: date, color: QColor, fg: str = 'white'):
+        qd = QDate(d.year, d.month, d.day)
+        fmt = QTextCharFormat()
+        fmt.setBackground(QBrush(color))
+        fmt.setForeground(QBrush(QColor(fg)))
+        self.calendar.setDateTextFormat(qd, fmt)
+
+    # ------------------------------------------------------------- events
+
+    def _on_date_click(self, qd: QDate):
+        d = date(qd.year(), qd.month(), qd.day())
+        date_str = d.isoformat()
+        weekday_kr = ['월', '화', '수', '목', '금', '토', '일']
+        self.detail_title.setText(f"{date_str} ({weekday_kr[d.weekday()]}요일)")
+        self.detail_list.clear()
+
+        # 휴일
+        holiday = self.db.get_holiday(date_str) if hasattr(self.db, 'get_holiday') else None
+        if holiday:
+            item = QListWidgetItem(f"🎌 공휴일: {holiday.get('name', '공휴일')}")
+            item.setForeground(QBrush(QColor("#e53935")))
+            self.detail_list.addItem(item)
+        elif d.weekday() in (5, 6):
+            item = QListWidgetItem(f"🏖️ 주말 ({weekday_kr[d.weekday()]}요일)")
+            self.detail_list.addItem(item)
+
+        # 연차 (구체)
+        for r in self.db.get_leave_records_by_date(date_str):
+            days = float(r.get('days') or 0)
+            t = r.get('leave_type', '연차')
+            memo = r.get('memo') or ''
+            label = f"📌 {t} {days}일"
+            if memo:
+                label += f" — {memo}"
+            label += f" [id={r['id']}]"
+            item = QListWidgetItem(label)
+            item.setData(Qt.UserRole, ('concrete', r['id']))
+            self.detail_list.addItem(item)
+
+        # 반복 패턴 매치
+        recurring = self.db.get_recurring_leaves(active_on=date_str)
+        from core.recurring_leaves import expand_for_date
+        for occ in expand_for_date(recurring, d):
+            item = QListWidgetItem(
+                f"🔁 {describe_pattern(occ.pattern)} · {occ.days}일 ({occ.leave_type})"
+            )
+            item.setData(Qt.UserRole, ('recurring', occ.recurring_id))
+            self.detail_list.addItem(item)
+
+        if self.detail_list.count() == 0:
+            self.detail_list.addItem("일정 없음")
+
+    def _on_page_change(self, year: int, month: int):
+        self._reload()
+
+    def _on_list_menu(self, pos):
+        item = self.detail_list.currentItem()
+        if not item:
+            return
+        data = item.data(Qt.UserRole)
+        if not data:
+            return
+        kind, _id = data
+        menu = QMenu(self)
+        del_act = menu.addAction("삭제")
+        chosen = menu.exec_(self.detail_list.viewport().mapToGlobal(pos))
+        if chosen == del_act:
+            self._delete_record(kind, _id)
+
+    def _delete_record(self, kind: str, _id: int):
+        if kind == 'concrete':
+            reply = QMessageBox.question(
+                self, "삭제 확인",
+                "이 연차 기록을 삭제하시겠습니까? (잔액이 자동 복구됩니다.)",
+                QMessageBox.Yes | QMessageBox.No,
+            )
+            if reply == QMessageBox.Yes:
+                self.db.delete_leave_record(_id)
+                self._reload()
+                # 상세 갱신
+                d = self.calendar.selectedDate()
+                self._on_date_click(d)
+        elif kind == 'recurring':
+            reply = QMessageBox.question(
+                self, "삭제 확인",
+                "이 반복 패턴을 삭제하시겠습니까? (이후 모든 인스턴스 제거)",
+                QMessageBox.Yes | QMessageBox.No,
+            )
+            if reply == QMessageBox.Yes:
+                self.db.delete_recurring_leave(_id)
+                self._reload()
+                d = self.calendar.selectedDate()
+                self._on_date_click(d)
+
+    def _open_recurring_dialog(self):
+        from ui.recurring_leave_dialog import RecurringLeaveDialog
+        dlg = RecurringLeaveDialog(self, self.db)
+        dlg.exec_()
+        self._reload()
+
+    def _open_add_leave_dialog(self):
+        from ui.leave_view import AddLeaveDialog
+        dlg = AddLeaveDialog(self, self.db)
+        # 선택된 날짜로 기본값 설정
+        d = self.calendar.selectedDate()
+        if d.isValid():
+            dlg.date_edit.setDate(d)
+        if dlg.exec_() == dlg.Accepted:
+            self._reload()
+            self._on_date_click(d)
+
+    # ------------------------------------------------------------- helpers
+
+    @staticmethod
+    def _parse_date(s):
+        if not s:
+            return None
+        try:
+            return datetime.strptime(s, '%Y-%m-%d').date()
+        except (ValueError, TypeError):
+            return None
+
+    def _fallback_holidays(self, view_start: date, view_end: date) -> List[dict]:
+        """get_holidays_in_range가 없는 경우 fallback (LIKE 쿼리)."""
+        if not hasattr(self.db, 'get_holiday'):
+            return []
+        # 전체 공휴일을 조회하기엔 비싸서 캘린더에선 일자별 lazy lookup으로 대체
+        # 여기서는 month start ~ end 범위만 매일 한 번씩 조회 (월 ~31회)
+        out = []
+        cur = view_start
+        while cur <= view_end:
+            h = self.db.get_holiday(cur.isoformat())
+            if h:
+                out.append(h)
+            cur += timedelta(days=1)
+        return out

utils/system_tray.py

@@ -98,6 +98,10 @@ class SystemTrayIcon(QSystemTrayIcon):
         cal_action.triggered.connect(lambda: self._call_parent('show_calendar'))
         menu.addAction(cal_action)
 
+        schedule_action = QAction("🗓️ 스케줄", self)
+        schedule_action.triggered.connect(lambda: self._call_parent('show_schedule'))
+        menu.addAction(schedule_action)
+
         help_action = QAction("📖 " + tr('menu.help'), self)
         help_action.triggered.connect(lambda: self._call_parent('show_help'))
         menu.addAction(help_action)