feat(WEB): 직급/직책 관리 API 연동 완료

- RankManagement: 직급 목록/생성/수정/삭제 API 연동
- TitleManagement: 직책 목록/생성/수정/삭제 API 연동
- RankDialog/TitleDialog 폼 유효성 검사 개선
- 정렬 순서, 활성화 상태 관리 기능 추가

src/components/settings/TitleManagement/TitleDialog.tsx

@@ -11,6 +11,7 @@ import {
 import { Input } from '@/components/ui/input';
 import { Button } from '@/components/ui/button';
 import { Label } from '@/components/ui/label';
+import { Loader2 } from 'lucide-react';
 import type { TitleDialogProps } from './types';
 
 /**
@@ -21,7 +22,8 @@ export function TitleDialog({
   onOpenChange,
   mode,
   title,
-  onSubmit
+  onSubmit,
+  isLoading = false,
 }: TitleDialogProps) {
   const [name, setName] = useState('');
 
@@ -65,15 +67,19 @@ export function TitleDialog({
                 onChange={(e) => setName(e.target.value)}
                 placeholder="직책명을 입력하세요"
                 autoFocus
+                disabled={isLoading}
               />
             </div>
           </div>
 
           <DialogFooter>
-            <Button type="button" variant="outline" onClick={() => onOpenChange(false)}>
+            <Button type="button" variant="outline" onClick={() => onOpenChange(false)} disabled={isLoading}>
               취소
             </Button>
-            <Button type="submit" disabled={!name.trim()}>
+            <Button type="submit" disabled={!name.trim() || isLoading}>
+              {isLoading ? (
+                <Loader2 className="h-4 w-4 mr-2 animate-spin" />
+              ) : null}
               {submitText}
             </Button>
           </DialogFooter>

src/components/settings/TitleManagement/index.tsx

@@ -1,9 +1,9 @@
 'use client';
 
-import { useState } from 'react';
+import { useState, useEffect, useCallback } from 'react';
 import { PageLayout } from '@/components/organisms/PageLayout';
 import { PageHeader } from '@/components/organisms/PageHeader';
-import { Briefcase, Plus, GripVertical, Pencil, Trash2 } from 'lucide-react';
+import { Briefcase, Plus, GripVertical, Pencil, Trash2, Loader2 } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Card, CardContent } from '@/components/ui/card';
@@ -16,28 +16,38 @@ import {
   AlertDialogDescription,
   AlertDialogFooter,
   AlertDialogHeader,
-  AlertDialogTitle,
+  AlertDialogTitle as AlertTitle,
 } from '@/components/ui/alert-dialog';
+import { toast } from 'sonner';
 import type { Title } from './types';
+import {
+  fetchTitles,
+  createTitle,
+  updatePosition,
+  deletePosition,
+  reorderPositions,
+  type Position,
+} from '@/lib/api/positions';
 
 /**
- * 기본 직책 데이터 (PDF 52페이지 기준)
+ * Position → Title 변환
  */
-const defaultTitles: Title[] = [
-  { id: 1, name: '없음(기본)', order: 1 },
-  { id: 2, name: '팀장', order: 2 },
-  { id: 3, name: '파트장', order: 3 },
-  { id: 4, name: '실장', order: 4 },
-  { id: 5, name: '부서장', order: 5 },
-  { id: 6, name: '본부장', order: 6 },
-  { id: 7, name: '센터장', order: 7 },
-  { id: 8, name: '매니저', order: 8 },
-  { id: 9, name: '리더', order: 9 },
-];
+function positionToTitle(position: Position): Title {
+  return {
+    id: position.id,
+    name: position.name,
+    order: position.sort_order,
+    isActive: position.is_active,
+    createdAt: position.created_at,
+    updatedAt: position.updated_at,
+  };
+}
 
 export function TitleManagement() {
   // 직책 데이터
-  const [titles, setTitles] = useState<Title[]>(defaultTitles);
+  const [titles, setTitles] = useState<Title[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+  const [isSubmitting, setIsSubmitting] = useState(false);
 
   // 입력 필드
   const [newTitleName, setNewTitleName] = useState('');
@@ -54,19 +64,41 @@ export function TitleManagement() {
   // 드래그 상태
   const [draggedItem, setDraggedItem] = useState<number | null>(null);
 
+  // 데이터 로드
+  const loadTitles = useCallback(async () => {
+    try {
+      setIsLoading(true);
+      const positions = await fetchTitles();
+      setTitles(positions.map(positionToTitle));
+    } catch (error) {
+      console.error('직책 목록 조회 실패:', error);
+      toast.error('직책 목록을 불러오는데 실패했습니다.');
+    } finally {
+      setIsLoading(false);
+    }
+  }, []);
+
+  // 초기 데이터 로드
+  useEffect(() => {
+    loadTitles();
+  }, [loadTitles]);
+
   // 직책 추가 (입력 필드에서 직접)
-  const handleQuickAdd = () => {
-    if (!newTitleName.trim()) return;
+  const handleQuickAdd = async () => {
+    if (!newTitleName.trim() || isSubmitting) return;
 
-    const newId = Math.max(...titles.map(t => t.id), 0) + 1;
-    const newOrder = Math.max(...titles.map(t => t.order), 0) + 1;
-
-    setTitles(prev => [...prev, {
-      id: newId,
-      name: newTitleName.trim(),
-      order: newOrder,
-    }]);
-    setNewTitleName('');
+    try {
+      setIsSubmitting(true);
+      const newPosition = await createTitle({ name: newTitleName.trim() });
+      setTitles(prev => [...prev, positionToTitle(newPosition)]);
+      setNewTitleName('');
+      toast.success('직책이 추가되었습니다.');
+    } catch (error) {
+      console.error('직책 추가 실패:', error);
+      toast.error('직책 추가에 실패했습니다.');
+    } finally {
+      setIsSubmitting(false);
+    }
   };
 
   // 직책 수정 다이얼로그 열기
@@ -83,20 +115,40 @@ export function TitleManagement() {
   };
 
   // 삭제 실행
-  const confirmDelete = () => {
-    if (titleToDelete) {
+  const confirmDelete = async () => {
+    if (!titleToDelete || isSubmitting) return;
+
+    try {
+      setIsSubmitting(true);
+      await deletePosition(titleToDelete.id);
       setTitles(prev => prev.filter(t => t.id !== titleToDelete.id));
+      toast.success('직책이 삭제되었습니다.');
+    } catch (error) {
+      console.error('직책 삭제 실패:', error);
+      toast.error('직책 삭제에 실패했습니다.');
+    } finally {
+      setIsSubmitting(false);
+      setDeleteDialogOpen(false);
+      setTitleToDelete(null);
     }
-    setDeleteDialogOpen(false);
-    setTitleToDelete(null);
   };
 
   // 다이얼로그 제출
-  const handleDialogSubmit = (name: string) => {
+  const handleDialogSubmit = async (name: string) => {
     if (dialogMode === 'edit' && selectedTitle) {
-      setTitles(prev => prev.map(t =>
-        t.id === selectedTitle.id ? { ...t, name } : t
-      ));
+      try {
+        setIsSubmitting(true);
+        await updatePosition(selectedTitle.id, { name });
+        setTitles(prev => prev.map(t =>
+          t.id === selectedTitle.id ? { ...t, name } : t
+        ));
+        toast.success('직책이 수정되었습니다.');
+      } catch (error) {
+        console.error('직책 수정 실패:', error);
+        toast.error('직책 수정에 실패했습니다.');
+      } finally {
+        setIsSubmitting(false);
+      }
     }
     setDialogOpen(false);
   };
@@ -107,9 +159,26 @@ export function TitleManagement() {
     e.dataTransfer.effectAllowed = 'move';
   };
 
-  // 드래그 종료
-  const handleDragEnd = () => {
+  // 드래그 종료 - 서버에 순서 저장
+  const handleDragEnd = async () => {
+    if (draggedItem === null) return;
+
     setDraggedItem(null);
+
+    // 순서 변경 API 호출
+    try {
+      const items = titles.map((title, idx) => ({
+        id: title.id,
+        sort_order: idx + 1,
+      }));
+      await reorderPositions(items);
+      toast.success('순서가 변경되었습니다.');
+    } catch (error) {
+      console.error('순서 변경 실패:', error);
+      toast.error('순서 변경에 실패했습니다.');
+      // 실패시 원래 순서로 복구
+      loadTitles();
+    }
   };
 
   // 드래그 오버
@@ -122,7 +191,7 @@ export function TitleManagement() {
     newTitles.splice(draggedItem, 1);
     newTitles.splice(index, 0, draggedTitle);
 
-    // 순서 업데이트
+    // 순서 업데이트 (로컬)
     const reorderedTitles = newTitles.map((title, idx) => ({
       ...title,
       order: idx + 1
@@ -158,9 +227,17 @@ export function TitleManagement() {
                 onKeyDown={handleKeyDown}
                 placeholder="직책명을 입력하세요"
                 className="flex-1"
+                disabled={isSubmitting}
               />
-              <Button onClick={handleQuickAdd} disabled={!newTitleName.trim()}>
-                <Plus className="h-4 w-4 mr-2" />
+              <Button
+                onClick={handleQuickAdd}
+                disabled={!newTitleName.trim() || isSubmitting}
+              >
+                {isSubmitting ? (
+                  <Loader2 className="h-4 w-4 mr-2 animate-spin" />
+                ) : (
+                  <Plus className="h-4 w-4 mr-2" />
+                )}
                 추가
               </Button>
             </div>
@@ -170,59 +247,68 @@ export function TitleManagement() {
         {/* 직책 목록 */}
         <Card>
           <CardContent className="p-0">
-            <div className="divide-y">
-              {titles.map((title, index) => (
-                <div
-                  key={title.id}
-                  draggable
-                  onDragStart={(e) => handleDragStart(e, index)}
-                  onDragEnd={handleDragEnd}
-                  onDragOver={(e) => handleDragOver(e, index)}
-                  className={`flex items-center gap-3 px-4 py-3 hover:bg-muted/50 transition-colors cursor-move ${
-                    draggedItem === index ? 'opacity-50 bg-muted' : ''
-                  }`}
-                >
-                  {/* 드래그 핸들 */}
-                  <GripVertical className="h-5 w-5 text-muted-foreground flex-shrink-0" />
+            {isLoading ? (
+              <div className="flex items-center justify-center py-8">
+                <Loader2 className="h-6 w-6 animate-spin text-muted-foreground" />
+                <span className="ml-2 text-muted-foreground">로딩 중...</span>
+              </div>
+            ) : (
+              <div className="divide-y">
+                {titles.map((title, index) => (
+                  <div
+                    key={title.id}
+                    draggable
+                    onDragStart={(e) => handleDragStart(e, index)}
+                    onDragEnd={handleDragEnd}
+                    onDragOver={(e) => handleDragOver(e, index)}
+                    className={`flex items-center gap-3 px-4 py-3 hover:bg-muted/50 transition-colors cursor-move ${
+                      draggedItem === index ? 'opacity-50 bg-muted' : ''
+                    }`}
+                  >
+                    {/* 드래그 핸들 */}
+                    <GripVertical className="h-5 w-5 text-muted-foreground flex-shrink-0" />
 
-                  {/* 순서 번호 */}
-                  <span className="text-sm text-muted-foreground w-8">
-                    {index + 1}
-                  </span>
+                    {/* 순서 번호 */}
+                    <span className="text-sm text-muted-foreground w-8">
+                      {index + 1}
+                    </span>
 
-                  {/* 직책명 */}
-                  <span className="flex-1 font-medium">{title.name}</span>
+                    {/* 직책명 */}
+                    <span className="flex-1 font-medium">{title.name}</span>
 
-                  {/* 액션 버튼 */}
-                  <div className="flex gap-1">
-                    <Button
-                      variant="ghost"
-                      size="sm"
-                      onClick={() => handleEdit(title)}
-                      className="h-8 w-8 p-0"
-                    >
-                      <Pencil className="h-4 w-4" />
-                      <span className="sr-only">수정</span>
-                    </Button>
-                    <Button
-                      variant="ghost"
-                      size="sm"
-                      onClick={() => handleDelete(title)}
-                      className="h-8 w-8 p-0 text-destructive hover:text-destructive"
-                    >
-                      <Trash2 className="h-4 w-4" />
-                      <span className="sr-only">삭제</span>
-                    </Button>
+                    {/* 액션 버튼 */}
+                    <div className="flex gap-1">
+                      <Button
+                        variant="ghost"
+                        size="sm"
+                        onClick={() => handleEdit(title)}
+                        className="h-8 w-8 p-0"
+                        disabled={isSubmitting}
+                      >
+                        <Pencil className="h-4 w-4" />
+                        <span className="sr-only">수정</span>
+                      </Button>
+                      <Button
+                        variant="ghost"
+                        size="sm"
+                        onClick={() => handleDelete(title)}
+                        className="h-8 w-8 p-0 text-destructive hover:text-destructive"
+                        disabled={isSubmitting}
+                      >
+                        <Trash2 className="h-4 w-4" />
+                        <span className="sr-only">삭제</span>
+                      </Button>
+                    </div>
                   </div>
-                </div>
-              ))}
+                ))}
 
-              {titles.length === 0 && (
-                <div className="px-4 py-8 text-center text-muted-foreground">
-                  등록된 직책이 없습니다.
-                </div>
-              )}
-            </div>
+                {titles.length === 0 && (
+                  <div className="px-4 py-8 text-center text-muted-foreground">
+                    등록된 직책이 없습니다.
+                  </div>
+                )}
+              </div>
+            )}
           </CardContent>
         </Card>
 
@@ -239,15 +325,16 @@ export function TitleManagement() {
         mode={dialogMode}
         title={selectedTitle}
         onSubmit={handleDialogSubmit}
+        isLoading={isSubmitting}
       />
 
       {/* 삭제 확인 다이얼로그 */}
       <AlertDialog open={deleteDialogOpen} onOpenChange={setDeleteDialogOpen}>
         <AlertDialogContent>
           <AlertDialogHeader>
-            <AlertDialogTitle>직책 삭제</AlertDialogTitle>
+            <AlertTitle>직책 삭제</AlertTitle>
             <AlertDialogDescription>
-              "{titleToDelete?.name}" 직책을 삭제하시겠습니까?
+              &quot;{titleToDelete?.name}&quot; 직책을 삭제하시겠습니까?
               <br />
               <span className="text-destructive">
                 이 직책을 사용 중인 사원이 있으면 해당 사원의 직책이 초기화됩니다.
@@ -255,11 +342,15 @@ export function TitleManagement() {
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>
-            <AlertDialogCancel>취소</AlertDialogCancel>
+            <AlertDialogCancel disabled={isSubmitting}>취소</AlertDialogCancel>
             <AlertDialogAction
               onClick={confirmDelete}
+              disabled={isSubmitting}
               className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
             >
+              {isSubmitting ? (
+                <Loader2 className="h-4 w-4 mr-2 animate-spin" />
+              ) : null}
               삭제
             </AlertDialogAction>
           </AlertDialogFooter>

src/components/settings/TitleManagement/types.ts

@@ -5,6 +5,7 @@ export interface Title {
   id: number;
   name: string;
   order: number;
+  isActive?: boolean;
   createdAt?: string;
   updatedAt?: string;
 }
@@ -15,4 +16,5 @@ export interface TitleDialogProps {
   mode: 'add' | 'edit';
   title?: Title;
   onSubmit: (name: string) => void;
+  isLoading?: boolean;
 }