feat(tksupport): Sprint 001 Section C — 전사 휴가관리 구현

- 전사 휴가 부여/관리 (company-holidays) CRUD + 연차차감 트랜잭션
- 전체 휴가관리 대시보드 (vacation-dashboard) 부서별/직원별 현황
- 내 휴가 현황 개선 (/my-status) balance_type별 카드, 전사 휴가일
- requireSupportTeam 미들웨어, 부서명 JOIN, 마이그레이션 002 추가
- 사이드바 roles 기반 메뉴 필터링 (하위호환 유지)

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

tksupport/api/controllers/companyHolidayController.js

@@ -0,0 +1,76 @@
+const companyHolidayModel = require('../models/companyHolidayModel');
+
+const companyHolidayController = {
+  async getHolidays(req, res) {
+    try {
+      const year = parseInt(req.query.year) || new Date().getFullYear();
+      const holidays = await companyHolidayModel.getByYear(year);
+      res.json({ success: true, data: holidays });
+    } catch (error) {
+      console.error('전사 휴가 조회 오류:', error);
+      res.status(500).json({ success: false, error: '서버 오류가 발생했습니다' });
+    }
+  },
+
+  async createHoliday(req, res) {
+    try {
+      const { holiday_date, holiday_name, holiday_type, description } = req.body;
+      if (!holiday_date || !holiday_name || !holiday_type) {
+        return res.status(400).json({ success: false, error: '필수 필드가 누락되었습니다' });
+      }
+      if (!['PAID', 'ANNUAL_DEDUCT'].includes(holiday_type)) {
+        return res.status(400).json({ success: false, error: '유효하지 않은 휴가 유형입니다' });
+      }
+
+      const created_by = req.user.user_id || req.user.id;
+      const result = await companyHolidayModel.create({ holiday_date, holiday_name, holiday_type, description, created_by });
+      res.status(201).json({ success: true, message: '전사 휴가가 등록되었습니다', data: { id: result.insertId } });
+    } catch (error) {
+      if (error.code === 'ER_DUP_ENTRY') {
+        return res.status(400).json({ success: false, error: '해당 날짜에 이미 전사 휴가가 등록되어 있습니다' });
+      }
+      console.error('전사 휴가 등록 오류:', error);
+      res.status(500).json({ success: false, error: '서버 오류가 발생했습니다' });
+    }
+  },
+
+  async deleteHoliday(req, res) {
+    try {
+      const { id } = req.params;
+      const holiday = await companyHolidayModel.getById(id);
+      if (!holiday) {
+        return res.status(404).json({ success: false, error: '해당 전사 휴가를 찾을 수 없습니다' });
+      }
+      if (holiday.deduction_applied_at) {
+        return res.status(400).json({ success: false, error: '차감이 실행된 휴가는 삭제할 수 없습니다' });
+      }
+
+      await companyHolidayModel.delete(id);
+      res.json({ success: true, message: '전사 휴가가 삭제되었습니다' });
+    } catch (error) {
+      console.error('전사 휴가 삭제 오류:', error);
+      res.status(500).json({ success: false, error: '서버 오류가 발생했습니다' });
+    }
+  },
+
+  async applyDeduction(req, res) {
+    try {
+      const { id } = req.params;
+      const result = await companyHolidayModel.applyAnnualDeduction(id);
+      const response = {
+        success: true,
+        message: `연차 차감이 완료되었습니다 (${result.affected_count}명 적용)`,
+        data: result
+      };
+      if (result.missing_balance_count > 0) {
+        response.warning = `${result.missing_balance_count}명의 사원은 연차 잔여일 데이터가 없어 차감되지 않았습니다`;
+      }
+      res.json(response);
+    } catch (error) {
+      console.error('연차 차감 오류:', error);
+      res.status(400).json({ success: false, error: error.message });
+    }
+  }
+};
+
+module.exports = companyHolidayController;

tksupport/api/controllers/vacationController.js

@@ -1,5 +1,6 @@
 const vacationRequestModel = require('../models/vacationRequestModel');
 const vacationBalanceModel = require('../models/vacationBalanceModel');
+const companyHolidayModel = require('../models/companyHolidayModel');
 const { getPool } = require('../middleware/auth');
 
 const vacationController = {
@@ -228,6 +229,29 @@ const vacationController = {
     }
   },
 
+  // ─── 내 휴가 현황 ───
+
+  async getMyStatus(req, res) {
+    try {
+      const userId = req.user.user_id || req.user.id;
+      const year = parseInt(req.query.year) || new Date().getFullYear();
+      const startOfYear = `${year}-01-01`;
+      const endOfYear = `${year}-12-31`;
+      const [balances, requests, holidays] = await Promise.all([
+        vacationBalanceModel.getByUserAndYear(userId, year),
+        vacationRequestModel.getAll({ user_id: userId, start_date: startOfYear, end_date: endOfYear }),
+        companyHolidayModel.getByYear(year)
+      ]);
+      res.json({
+        success: true,
+        data: { balances, requests, company_holidays: holidays, overtime_hours: null }
+      });
+    } catch (error) {
+      console.error('내 휴가 현황 조회 오류:', error);
+      res.status(500).json({ success: false, error: '서버 오류가 발생했습니다' });
+    }
+  },
+
   // ─── 잔여일 ───
 
   async getMyBalance(req, res) {

tksupport/api/controllers/vacationDashboardController.js

@@ -0,0 +1,52 @@
+const vacationDashboardModel = require('../models/vacationDashboardModel');
+
+const vacationDashboardController = {
+  async getDashboard(req, res) {
+    try {
+      const year = parseInt(req.query.year) || new Date().getFullYear();
+      const filters = {
+        department_id: req.query.department_id || null,
+        search_name: req.query.search_name || null
+      };
+
+      const [summary, rows] = await Promise.all([
+        vacationDashboardModel.getSummary(year),
+        vacationDashboardModel.getEmployeeList(year, filters)
+      ]);
+
+      // user_id별 그룹핑
+      const employeeMap = {};
+      rows.forEach(row => {
+        if (!employeeMap[row.user_id]) {
+          employeeMap[row.user_id] = {
+            user_id: row.user_id,
+            name: row.name,
+            username: row.username,
+            department_name: row.department_name,
+            hire_date: row.hire_date,
+            balances: []
+          };
+        }
+        if (row.id) {
+          employeeMap[row.user_id].balances.push({
+            balance_type: row.balance_type,
+            type_name: row.type_name,
+            type_code: row.type_code,
+            total_days: row.total_days,
+            used_days: row.used_days,
+            remaining_days: row.remaining_days,
+            expires_at: row.expires_at
+          });
+        }
+      });
+      const employees = Object.values(employeeMap);
+
+      res.json({ success: true, data: { summary, employees } });
+    } catch (error) {
+      console.error('휴가 대시보드 조회 오류:', error);
+      res.status(500).json({ success: false, error: '서버 오류가 발생했습니다' });
+    }
+  }
+};
+
+module.exports = vacationDashboardController;