refactor: worker_id → user_id 전체 마이그레이션 (Phase 1-4)

sso_users.user_id를 단일 식별자로 통합. JWT에서 worker_id 제거,
department_id/is_production 추가. 백엔드 15개 모델, 11개 컨트롤러,
4개 서비스, 7개 라우트, 프론트엔드 32+ JS/11+ HTML 변환.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

system1-factory/api/models/workerModel.js

@@ -39,39 +39,60 @@ const getAll = async () => {
   const [rows] = await db.query(`
     SELECT
       w.*,
+      w.user_id,
       CASE WHEN w.status = 'active' THEN 1 ELSE 0 END AS is_active,
-      u.user_id,
+      su.username,
       d.department_name
     FROM workers w
-    LEFT JOIN users u ON w.worker_id = u.worker_id
+    LEFT JOIN sso_users su ON w.user_id = su.user_id
     LEFT JOIN departments d ON w.department_id = d.department_id
-    ORDER BY w.worker_id DESC
+    ORDER BY w.worker_name ASC
   `);
   return rows;
 };
 
-// 3. 단일 조회
+// 3. 단일 조회 (worker_id 기준 - 하위 호환성 유지)
 const getById = async (worker_id) => {
   const db = await getDb();
   const [rows] = await db.query(`
     SELECT
       w.*,
+      w.user_id,
       CASE WHEN w.status = 'active' THEN 1 ELSE 0 END AS is_active,
-      u.user_id,
+      su.username,
       d.department_name
     FROM workers w
-    LEFT JOIN users u ON w.worker_id = u.worker_id
+    LEFT JOIN sso_users su ON w.user_id = su.user_id
     LEFT JOIN departments d ON w.department_id = d.department_id
     WHERE w.worker_id = ?
   `, [worker_id]);
   return rows[0];
 };
 
-// 4. 작업자 수정
+// 3-1. 단일 조회 (user_id 기준)
+const getByUserId = async (userId) => {
+  const db = await getDb();
+  const [rows] = await db.query(`
+    SELECT
+      w.*,
+      w.user_id,
+      CASE WHEN w.status = 'active' THEN 1 ELSE 0 END AS is_active,
+      su.username,
+      d.department_name
+    FROM workers w
+    LEFT JOIN sso_users su ON w.user_id = su.user_id
+    LEFT JOIN departments d ON w.department_id = d.department_id
+    WHERE w.user_id = ?
+  `, [userId]);
+  return rows[0];
+};
+
+// 4. 작업자 수정 (worker_id 또는 user_id 기준)
 const update = async (worker) => {
   const db = await getDb();
   const {
     worker_id,
+    user_id,
     worker_name,
     job_type,
     status,
@@ -123,12 +144,22 @@ const update = async (worker) => {
     throw new Error('업데이트할 필드가 없습니다');
   }
 
-  values.push(worker_id); // WHERE 조건용
+  // WHERE 조건: user_id 우선, 없으면 worker_id 사용
+  let whereClause;
+  if (user_id !== undefined) {
+    whereClause = 'user_id = ?';
+    values.push(user_id);
+  } else if (worker_id !== undefined) {
+    whereClause = 'worker_id = ?';
+    values.push(worker_id);
+  } else {
+    throw new Error('worker_id 또는 user_id가 필요합니다');
+  }
 
-  const query = `UPDATE workers SET ${updates.join(', ')} WHERE worker_id = ?`;
+  const query = `UPDATE workers SET ${updates.join(', ')} WHERE ${whereClause}`;
 
-  console.log('🔍 실행할 SQL:', query);
-  console.log('🔍 SQL 파라미터:', values);
+  console.log('실행할 SQL:', query);
+  console.log('SQL 파라미터:', values);
 
   const [result] = await db.query(query, values);
 
@@ -192,6 +223,7 @@ module.exports = {
   create,
   getAll,
   getById,
+  getByUserId,
   update,
   remove
 };