feat: React 프론트엔드 기능 대폭 확장

- 월별근무표: 휴일/근무일 관리, 자동 초기화
- 메일양식: 템플릿 CRUD, To/CC/BCC 설정
- 그룹정보: 부서 관리, 비트 연산 기반 권한 설정
- 업무일지: 수정 성공 메시지 제거, 오늘 근무시간 필터링 수정
- 웹소켓 메시지 type 충돌 버그 수정

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Project/frontend/src/pages/UserList.tsx

@@ -0,0 +1,555 @@
+import { useState, useEffect } from 'react';
+import { Search, RefreshCw, Users, Check, X, User, Save } from 'lucide-react';
+import { clsx } from 'clsx';
+import { comms } from '@/communication';
+import { GroupUser, UserLevelInfo, UserFullData } from '@/types';
+
+// 사용자 상세 다이얼로그 Props
+interface UserDetailDialogProps {
+  user: GroupUser;
+  levelInfo: UserLevelInfo | null;
+  onClose: () => void;
+  onSave: () => void;
+}
+
+// 사용자 상세 다이얼로그 컴포넌트
+function UserDetailDialog({ user, levelInfo, onClose, onSave }: UserDetailDialogProps) {
+  const [formData, setFormData] = useState<UserFullData>({
+    id: user.id,
+    name: user.name || '',
+    nameE: user.nameE || '',
+    grade: user.grade || '',
+    email: user.email || '',
+    tel: user.tel || '',
+    hp: user.hp || '',
+    indate: user.indate || '',
+    outdate: user.outdate || '',
+    memo: user.memo || '',
+    processs: user.processs || '',
+    state: user.state || '',
+    level: user.level || 1,
+    useUserState: user.useUserState || false,
+    useJobReport: user.useJobReport || false,
+    exceptHoly: user.exceptHoly || false,
+  });
+  const [saving, setSaving] = useState(false);
+
+  // 편집 가능 여부: 관리자(level >= 5) 또는 본인
+  const isSelf = levelInfo?.CurrentUserId === user.id;
+  const canEdit = levelInfo?.CanEdit || isSelf;
+  const canEditAdmin = levelInfo?.CanEdit || false; // 관리자 전용 필드
+
+  const handleChange = (field: keyof UserFullData, value: string | number | boolean) => {
+    setFormData(prev => ({ ...prev, [field]: value }));
+  };
+
+  const handleSave = async () => {
+    if (!canEdit) return;
+
+    setSaving(true);
+    try {
+      const result = await comms.saveUserFull(formData);
+      if (result.Success) {
+        onSave();
+        onClose();
+      } else {
+        alert(result.Message || '저장에 실패했습니다.');
+      }
+    } catch (error) {
+      console.error('저장 실패:', error);
+      alert('저장 중 오류가 발생했습니다.');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  return (
+    <div className="fixed inset-0 bg-black/60 flex items-center justify-center z-50" onClick={onClose}>
+      <div
+        className="glass-effect rounded-xl w-full max-w-2xl max-h-[90vh] overflow-hidden"
+        onClick={(e) => e.stopPropagation()}
+      >
+        {/* 헤더 */}
+        <div className="p-4 border-b border-white/10 flex items-center justify-between">
+          <div className="flex items-center gap-2">
+            <User className="w-5 h-5 text-white/70" />
+            <h2 className="text-lg font-semibold text-white">
+              사용자 정보 {canEdit ? '' : '(읽기 전용)'}
+            </h2>
+          </div>
+          <button
+            onClick={onClose}
+            className="text-white/60 hover:text-white transition-colors text-xl"
+          >
+            ×
+          </button>
+        </div>
+
+        {/* 내용 */}
+        <div className="p-4 overflow-auto max-h-[calc(90vh-120px)]">
+          <div className="grid grid-cols-3 gap-4">
+            {/* 사번 (읽기 전용) */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">사번</label>
+              <input
+                type="text"
+                value={formData.id}
+                disabled
+                className="w-full px-3 py-2 bg-white/5 border border-white/20 rounded-lg text-white/50"
+              />
+            </div>
+
+            {/* 성명 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">성명</label>
+              <input
+                type="text"
+                value={formData.name}
+                onChange={(e) => handleChange('name', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 영문명 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">영문명</label>
+              <input
+                type="text"
+                value={formData.nameE}
+                onChange={(e) => handleChange('nameE', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 직책 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">직책</label>
+              <input
+                type="text"
+                value={formData.grade}
+                onChange={(e) => handleChange('grade', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 공정 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">공정</label>
+              <input
+                type="text"
+                value={formData.processs}
+                onChange={(e) => handleChange('processs', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 상태 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">상태</label>
+              <input
+                type="text"
+                value={formData.state}
+                onChange={(e) => handleChange('state', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 이메일 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">이메일</label>
+              <input
+                type="email"
+                value={formData.email}
+                onChange={(e) => handleChange('email', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 전화 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">전화</label>
+              <input
+                type="text"
+                value={formData.tel}
+                onChange={(e) => handleChange('tel', e.target.value)}
+                disabled={!canEdit}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 입사일 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">입사일</label>
+              <input
+                type="text"
+                value={formData.indate}
+                onChange={(e) => handleChange('indate', e.target.value)}
+                disabled={!canEdit}
+                placeholder="YYYY-MM-DD"
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 퇴사일 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">퇴사일</label>
+              <input
+                type="text"
+                value={formData.outdate}
+                onChange={(e) => handleChange('outdate', e.target.value)}
+                disabled={!canEdit}
+                placeholder="YYYY-MM-DD"
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 레벨 */}
+            <div>
+              <label className="block text-sm text-white/70 mb-1">레벨</label>
+              <select
+                value={formData.level}
+                onChange={(e) => handleChange('level', parseInt(e.target.value) || 0)}
+                disabled={!canEditAdmin}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white",
+                  canEditAdmin ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              >
+                {[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10].map((lv) => (
+                  <option key={lv} value={lv} className="bg-gray-800 text-white">
+                    {lv}
+                  </option>
+                ))}
+              </select>
+            </div>
+
+            {/* 메모 */}
+            <div className="col-span-3">
+              <label className="block text-sm text-white/70 mb-1">메모</label>
+              <textarea
+                value={formData.memo}
+                onChange={(e) => handleChange('memo', e.target.value)}
+                disabled={!canEdit}
+                rows={2}
+                className={clsx(
+                  "w-full px-3 py-2 border border-white/20 rounded-lg text-white resize-none",
+                  canEdit ? "bg-white/10" : "bg-white/5 text-white/50"
+                )}
+              />
+            </div>
+
+            {/* 관리자 전용 설정 */}
+            <div className="col-span-3 border-t border-white/10 pt-4 mt-2">
+              <h3 className="text-sm font-medium text-white/80 mb-3">
+                관리자 설정 {!canEditAdmin && '(관리자만 수정 가능)'}
+              </h3>
+              <div className="flex items-center gap-6">
+                {/* 계정 사용 */}
+                <label className={clsx(
+                  "flex items-center gap-2 cursor-pointer",
+                  !canEditAdmin && "opacity-50 cursor-not-allowed"
+                )}>
+                  <input
+                    type="checkbox"
+                    checked={formData.useUserState}
+                    onChange={(e) => handleChange('useUserState', e.target.checked)}
+                    disabled={!canEditAdmin}
+                    className="w-4 h-4 rounded"
+                  />
+                  <span className="text-sm text-white">계정 사용</span>
+                </label>
+
+                {/* 일지 사용 */}
+                <label className={clsx(
+                  "flex items-center gap-2 cursor-pointer",
+                  !canEditAdmin && "opacity-50 cursor-not-allowed"
+                )}>
+                  <input
+                    type="checkbox"
+                    checked={formData.useJobReport}
+                    onChange={(e) => handleChange('useJobReport', e.target.checked)}
+                    disabled={!canEditAdmin}
+                    className="w-4 h-4 rounded"
+                  />
+                  <span className="text-sm text-white">일지 사용</span>
+                </label>
+
+                {/* 휴가 제외 */}
+                <label className={clsx(
+                  "flex items-center gap-2 cursor-pointer",
+                  !canEditAdmin && "opacity-50 cursor-not-allowed"
+                )}>
+                  <input
+                    type="checkbox"
+                    checked={formData.exceptHoly}
+                    onChange={(e) => handleChange('exceptHoly', e.target.checked)}
+                    disabled={!canEditAdmin}
+                    className="w-4 h-4 rounded"
+                  />
+                  <span className="text-sm text-white">휴가 제외</span>
+                </label>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        {/* 푸터 */}
+        <div className="p-4 border-t border-white/10 flex justify-end gap-2">
+          <button
+            onClick={onClose}
+            className="px-4 py-2 bg-white/10 hover:bg-white/20 rounded-lg text-white transition-colors"
+          >
+            닫기
+          </button>
+          {canEdit && (
+            <button
+              onClick={handleSave}
+              disabled={saving}
+              className="flex items-center gap-1 px-4 py-2 bg-blue-600 hover:bg-blue-700 disabled:opacity-50 rounded-lg text-white transition-colors"
+            >
+              <Save className="w-4 h-4" />
+              {saving ? '저장 중...' : '저장'}
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export function UserListPage() {
+  const [users, setUsers] = useState<GroupUser[]>([]);
+  const [process, setProcess] = useState('%');
+  const [loading, setLoading] = useState(false);
+  const [filter, setFilter] = useState('');
+  const [levelInfo, setLevelInfo] = useState<UserLevelInfo | null>(null);
+  const [selectedUser, setSelectedUser] = useState<GroupUser | null>(null);
+
+  useEffect(() => {
+    loadLevelInfo();
+    loadUsers();
+  }, []);
+
+  const loadLevelInfo = async () => {
+    try {
+      const result = await comms.getCurrentUserLevel();
+      if (result.Success && result.Data) {
+        setLevelInfo(result.Data);
+      }
+    } catch (error) {
+      console.error('권한 정보 로드 실패:', error);
+    }
+  };
+
+  const loadUsers = async () => {
+    setLoading(true);
+    try {
+      const result = await comms.getUserList(process);
+      if (Array.isArray(result)) {
+        setUsers(result);
+      } else if (result && typeof result === 'object') {
+        const r = result as { Success?: boolean; Message?: string };
+        if (r.Success === false) {
+          console.error('사용자 목록 조회 실패:', r.Message);
+        }
+        setUsers([]);
+      } else {
+        console.error('사용자 목록 응답이 배열이 아님:', result);
+        setUsers([]);
+      }
+    } catch (error) {
+      console.error('사용자 목록 로드 실패:', error);
+      setUsers([]);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleRefresh = () => {
+    loadUsers();
+  };
+
+  const handleRowClick = (user: GroupUser) => {
+    setSelectedUser(user);
+  };
+
+  const filteredUsers = users.filter(
+    (u) =>
+      (u.id ?? '').toLowerCase().includes(filter.toLowerCase()) ||
+      (u.name ?? '').toLowerCase().includes(filter.toLowerCase()) ||
+      (u.email ?? '').toLowerCase().includes(filter.toLowerCase()) ||
+      (u.tel ?? '').toLowerCase().includes(filter.toLowerCase())
+  );
+
+  return (
+    <div className="h-full flex flex-col">
+      {/* 헤더 */}
+      <div className="glass-effect rounded-xl p-4 mb-4">
+        <div className="flex items-center gap-4 flex-wrap">
+          <div className="flex items-center gap-2">
+            <label className="text-sm text-white/70">공정</label>
+            <input
+              type="text"
+              value={process}
+              onChange={(e) => setProcess(e.target.value)}
+              onKeyDown={(e) => e.key === 'Enter' && handleRefresh()}
+              className="px-3 py-2 bg-white/10 border border-white/20 rounded-lg text-white w-24 text-center"
+            />
+          </div>
+
+          <button
+            onClick={handleRefresh}
+            className="flex items-center gap-1 px-4 py-2 bg-blue-600 hover:bg-blue-700 rounded-lg text-white transition-colors"
+          >
+            <RefreshCw className="w-4 h-4" />
+            새로고침
+          </button>
+
+          <div className="flex-1" />
+
+          <div className="relative">
+            <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-white/40" />
+            <input
+              type="text"
+              value={filter}
+              onChange={(e) => setFilter(e.target.value)}
+              placeholder="검색..."
+              className="pl-9 pr-3 py-2 bg-white/10 border border-white/20 rounded-lg text-white placeholder-white/40 w-48"
+            />
+          </div>
+        </div>
+      </div>
+
+      {/* 테이블 */}
+      <div className="glass-effect rounded-xl flex-1 overflow-hidden flex flex-col">
+        <div className="p-4 border-b border-white/10 flex items-center gap-2">
+          <Users className="w-5 h-5 text-white/70" />
+          <h2 className="text-lg font-semibold text-white">사용자 목록</h2>
+          <span className="text-sm text-white/50">({filteredUsers.length}명)</span>
+        </div>
+
+        <div className="flex-1 overflow-auto">
+          {loading ? (
+            <div className="flex items-center justify-center h-32">
+              <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-white"></div>
+            </div>
+          ) : (
+            <table className="w-full text-sm">
+              <thead className="bg-white/5 sticky top-0">
+                <tr>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-24">사번</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-24">성명</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-20">직책</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70">이메일</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-28">전화</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-20">공정</th>
+                  <th className="px-3 py-2 text-left font-medium text-white/70 w-16">상태</th>
+                  <th className="px-3 py-2 text-center font-medium text-white/70 w-12">Lv</th>
+                  <th className="px-3 py-2 text-center font-medium text-white/70 w-16">계정</th>
+                  <th className="px-3 py-2 text-center font-medium text-white/70 w-16">일지</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-white/5">
+                {filteredUsers.map((user) => (
+                  <tr
+                    key={user.id}
+                    onClick={() => handleRowClick(user)}
+                    className={clsx(
+                      'hover:bg-white/5 transition-colors cursor-pointer',
+                      !user.useUserState && 'opacity-50'
+                    )}
+                  >
+                    <td className="px-3 py-2 text-white font-mono">{user.id}</td>
+                    <td className="px-3 py-2 text-white font-medium">{user.name}</td>
+                    <td className="px-3 py-2 text-white/70">{user.grade}</td>
+                    <td className="px-3 py-2">
+                      {user.email ? (
+                        <a
+                          href={`mailto:${user.email}`}
+                          className="text-blue-400 hover:text-blue-300 hover:underline"
+                          onClick={(e) => e.stopPropagation()}
+                        >
+                          {user.email}
+                        </a>
+                      ) : (
+                        <span className="text-white/70">-</span>
+                      )}
+                    </td>
+                    <td className="px-3 py-2 text-white/70">{user.tel}</td>
+                    <td className="px-3 py-2 text-white/70">{user.processs}</td>
+                    <td className="px-3 py-2 text-white/70">{user.state}</td>
+                    <td className="px-3 py-2 text-white text-center">{user.level}</td>
+                    <td className="px-3 py-2 text-center">
+                      {user.useUserState ? (
+                        <Check className="w-4 h-4 text-green-400 mx-auto" />
+                      ) : (
+                        <X className="w-4 h-4 text-red-400 mx-auto" />
+                      )}
+                    </td>
+                    <td className="px-3 py-2 text-center">
+                      {user.useJobReport ? (
+                        <Check className="w-4 h-4 text-green-400 mx-auto" />
+                      ) : (
+                        <X className="w-4 h-4 text-red-400 mx-auto" />
+                      )}
+                    </td>
+                  </tr>
+                ))}
+                {filteredUsers.length === 0 && (
+                  <tr>
+                    <td colSpan={10} className="px-4 py-8 text-center text-white/50">
+                      {users.length === 0 ? '공정을 입력하고 새로고침하세요.' : '검색 결과가 없습니다.'}
+                    </td>
+                  </tr>
+                )}
+              </tbody>
+            </table>
+          )}
+        </div>
+      </div>
+
+      {/* 사용자 상세 다이얼로그 */}
+      {selectedUser && (
+        <UserDetailDialog
+          user={selectedUser}
+          levelInfo={levelInfo}
+          onClose={() => setSelectedUser(null)}
+          onSave={() => loadUsers()}
+        />
+      )}
+    </div>
+  );
+}