fix: 캘린더 모달 중복 카드 문제 및 삭제 권한 개선

- monthly_worker_status 조회 시 GROUP BY로 중복 데이터 합산
- 작업보고서 삭제 권한을 그룹장 이상으로 제한 (admin, system, group_leader)
- 중복 데이터 정리를 위한 마이그레이션 SQL 추가 (009_fix_duplicate_monthly_status.sql)
- synology_deployment 버전에도 동일 수정 적용

synology_deployment/api/migrations/009_add_overtime_warning_columns.sql

@@ -0,0 +1,67 @@
+-- 009_add_overtime_warning_columns.sql
+-- monthly_summary 테이블에 12시간 초과(확인필요) 상태 컬럼 추가
+
+-- monthly_summary 테이블에 컬럼 추가
+ALTER TABLE monthly_summary 
+ADD COLUMN overtime_warning_workers INT DEFAULT 0 COMMENT '확인필요(12시간초과) 작업자 수' AFTER error_workers,
+ADD COLUMN has_overtime_warning BOOLEAN DEFAULT FALSE COMMENT '확인필요 상태 있음' AFTER has_errors;
+
+-- UpdateDailySummary 프로시저 업데이트
+DROP PROCEDURE IF EXISTS UpdateDailySummary;
+DELIMITER //
+CREATE PROCEDURE UpdateDailySummary(
+    IN p_date DATE
+)
+BEGIN
+    DECLARE v_year INT;
+    DECLARE v_month INT;
+    
+    SET v_year = YEAR(p_date);
+    SET v_month = MONTH(p_date);
+    
+    INSERT INTO monthly_summary (
+        year, month, date,
+        total_workers, working_workers,
+        incomplete_workers, partial_workers, complete_workers,
+        overtime_workers, vacation_workers, error_workers, overtime_warning_workers,
+        total_work_hours, total_work_count, total_error_count,
+        has_issues, has_errors, has_overtime_warning
+    )
+    SELECT 
+        v_year, v_month, p_date,
+        COUNT(*) as total_workers,
+        COUNT(CASE WHEN work_status != 'incomplete' THEN 1 END) as working_workers,
+        COUNT(CASE WHEN work_status = 'incomplete' THEN 1 END) as incomplete_workers,
+        COUNT(CASE WHEN work_status = 'partial' THEN 1 END) as partial_workers,
+        COUNT(CASE WHEN work_status IN ('complete', 'overtime', 'vacation-full', 'vacation-half', 'vacation-quarter', 'vacation-half-half') THEN 1 END) as complete_workers,
+        COUNT(CASE WHEN work_status = 'overtime' THEN 1 END) as overtime_workers,
+        COUNT(CASE WHEN work_status LIKE 'vacation%' THEN 1 END) as vacation_workers,
+        COUNT(CASE WHEN work_status = 'error' THEN 1 END) as error_workers,
+        COUNT(CASE WHEN work_status = 'overtime-warning' THEN 1 END) as overtime_warning_workers,
+        SUM(total_work_hours) as total_work_hours,
+        SUM(total_work_count) as total_work_count,
+        SUM(error_work_count) as total_error_count,
+        MAX(has_issues) as has_issues,
+        MAX(has_error) as has_errors,
+        MAX(CASE WHEN work_status = 'overtime-warning' THEN 1 ELSE 0 END) as has_overtime_warning
+    FROM monthly_worker_status 
+    WHERE date = p_date
+    ON DUPLICATE KEY UPDATE
+        total_workers = VALUES(total_workers),
+        working_workers = VALUES(working_workers),
+        incomplete_workers = VALUES(incomplete_workers),
+        partial_workers = VALUES(partial_workers),
+        complete_workers = VALUES(complete_workers),
+        overtime_workers = VALUES(overtime_workers),
+        vacation_workers = VALUES(vacation_workers),
+        error_workers = VALUES(error_workers),
+        overtime_warning_workers = VALUES(overtime_warning_workers),
+        total_work_hours = VALUES(total_work_hours),
+        total_work_count = VALUES(total_work_count),
+        total_error_count = VALUES(total_error_count),
+        has_issues = VALUES(has_issues),
+        has_errors = VALUES(has_errors),
+        has_overtime_warning = VALUES(has_overtime_warning),
+        last_updated = CURRENT_TIMESTAMP;
+END //
+DELIMITER ;