fix: 부적합 제출 버그 수정 및 UI 개선

- 부적합 API 호출 형식 수정 (카테고리/아이템 추가 시)
- 부적합 저장 시 내부 플래그 제거 후 백엔드 전송
- 기본 부적합 객체 구조 수정 (category_id, item_id 추가)
- 날씨 API 시간대 수정 (UTC → KST 변환)
- 신고 카테고리 관리 페이지 추가 (/pages/admin/issue-categories.html)
- 부적합 입력 UI 개선 (대분류→소분류 캐스케이딩 선택)
- 저장된 부적합 분리 표시 및 수정/삭제 기능
- 디버깅 로그 추가

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

api.hyungi.net/services/workReportService.js

@@ -274,6 +274,7 @@ const getSummaryService = async (year, month) => {
 
 /**
  * 작업 보고서의 부적합 원인 목록 조회
+ * - error_type_id 또는 issue_report_id 중 하나로 연결
  */
 const getReportDefectsService = async (reportId) => {
   const db = await getDb();
@@ -283,13 +284,22 @@ const getReportDefectsService = async (reportId) => {
         d.defect_id,
         d.report_id,
         d.error_type_id,
+        d.issue_report_id,
         d.defect_hours,
         d.note,
         d.created_at,
         et.name as error_type_name,
-        et.severity
+        et.severity as error_severity,
+        ir.content as issue_content,
+        ir.status as issue_status,
+        irc.category_name as issue_category_name,
+        irc.severity as issue_severity,
+        iri.item_name as issue_item_name
       FROM work_report_defects d
-      JOIN error_types et ON d.error_type_id = et.id
+      LEFT JOIN error_types et ON d.error_type_id = et.id
+      LEFT JOIN work_issue_reports ir ON d.issue_report_id = ir.report_id
+      LEFT JOIN issue_report_categories irc ON ir.category_id = irc.category_id
+      LEFT JOIN issue_report_items iri ON ir.item_id = iri.item_id
       WHERE d.report_id = ?
       ORDER BY d.created_at
     `, [reportId]);
@@ -303,6 +313,9 @@ const getReportDefectsService = async (reportId) => {
 
 /**
  * 부적합 원인 저장 (전체 교체)
+ * - error_type_id 또는 issue_report_id 중 하나 사용 가능
+ * - issue_report_id: 신고된 이슈와 연결
+ * - error_type_id: 기존 오류 유형 (레거시)
  */
 const saveReportDefectsService = async (reportId, defects) => {
   const db = await getDb();
@@ -315,10 +328,19 @@ const saveReportDefectsService = async (reportId, defects) => {
     // 새 부적합 원인 추가
     if (defects && defects.length > 0) {
       for (const defect of defects) {
+        // issue_report_id > category_id/item_id > error_type_id 순으로 우선
         await db.execute(`
-          INSERT INTO work_report_defects (report_id, error_type_id, defect_hours, note)
-          VALUES (?, ?, ?, ?)
-        `, [reportId, defect.error_type_id, defect.defect_hours || 0, defect.note || null]);
+          INSERT INTO work_report_defects (report_id, error_type_id, issue_report_id, category_id, item_id, defect_hours, note)
+          VALUES (?, ?, ?, ?, ?, ?, ?)
+        `, [
+          reportId,
+          (defect.issue_report_id || defect.category_id) ? null : (defect.error_type_id || null),
+          defect.issue_report_id || null,
+          defect.category_id || null,
+          defect.item_id || null,
+          defect.defect_hours || 0,
+          defect.note || null
+        ]);
       }
     }
 
@@ -327,6 +349,11 @@ const saveReportDefectsService = async (reportId, defects) => {
       ? defects.reduce((sum, d) => sum + (parseFloat(d.defect_hours) || 0), 0)
       : 0;
 
+    // 첫 번째 defect의 error_type_id를 대표값으로 (레거시 호환)
+    const firstErrorTypeId = defects && defects.length > 0
+      ? (defects.find(d => d.error_type_id)?.error_type_id || null)
+      : null;
+
     await db.execute(`
       UPDATE daily_work_reports
       SET error_hours = ?,
@@ -335,7 +362,7 @@ const saveReportDefectsService = async (reportId, defects) => {
       WHERE id = ?
     `, [
       totalErrorHours,
-      defects && defects.length > 0 ? defects[0].error_type_id : null,
+      firstErrorTypeId,
       totalErrorHours > 0 ? 2 : 1,
       reportId
     ]);
@@ -353,14 +380,21 @@ const saveReportDefectsService = async (reportId, defects) => {
 
 /**
  * 부적합 원인 추가 (단일)
+ * - issue_report_id 또는 error_type_id 중 하나 사용
  */
 const addReportDefectService = async (reportId, defectData) => {
   const db = await getDb();
   try {
     const [result] = await db.execute(`
-      INSERT INTO work_report_defects (report_id, error_type_id, defect_hours, note)
-      VALUES (?, ?, ?, ?)
-    `, [reportId, defectData.error_type_id, defectData.defect_hours || 0, defectData.note || null]);
+      INSERT INTO work_report_defects (report_id, error_type_id, issue_report_id, defect_hours, note)
+      VALUES (?, ?, ?, ?, ?)
+    `, [
+      reportId,
+      defectData.issue_report_id ? null : (defectData.error_type_id || null),
+      defectData.issue_report_id || null,
+      defectData.defect_hours || 0,
+      defectData.note || null
+    ]);
 
     // 총 부적합 시간 업데이트
     await updateTotalErrorHours(reportId);
@@ -404,6 +438,7 @@ const removeReportDefectService = async (defectId) => {
 
 /**
  * 총 부적합 시간 업데이트 헬퍼
+ * - issue_report_id가 있는 경우도 고려
  */
 const updateTotalErrorHours = async (reportId) => {
   const db = await getDb();
@@ -415,9 +450,12 @@ const updateTotalErrorHours = async (reportId) => {
 
   const totalErrorHours = result[0].total || 0;
 
-  // 첫 번째 부적합 원인의 error_type_id를 대표값으로 사용
+  // 첫 번째 부적합 원인의 error_type_id를 대표값으로 사용 (레거시 호환)
+  // issue_report_id만 있는 경우 error_type_id는 null
   const [firstDefect] = await db.execute(`
-    SELECT error_type_id FROM work_report_defects WHERE report_id = ? ORDER BY created_at LIMIT 1
+    SELECT error_type_id FROM work_report_defects
+    WHERE report_id = ? AND error_type_id IS NOT NULL
+    ORDER BY created_at LIMIT 1
   `, [reportId]);
 
   await db.execute(`