From 567baf74e62bb71d44604eb5fe3457f773396678 Mon Sep 17 00:00:00 2001
From: joonhoekim <26rote@gmail.com>
Date: Tue, 30 Sep 2025 16:48:52 +0900
Subject: (김준회) 결재 카테고리 로직 개선, 미사용 코드 제거
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../table/approval-line-table-toolbar-actions.tsx  |  20 +-
 .../table/create-approval-line-sheet.tsx           |  52 ++-
 lib/approval-template/category-service.ts          | 271 +++++++++++
 lib/approval-template/category-validations.ts      |  47 ++
 .../editor/approval-template-editor.tsx            |  70 ++-
 lib/approval-template/service.ts                   |  47 +-
 .../approval-template-table-toolbar-actions.tsx    |  14 +
 .../table/approval-template-table.tsx              |   9 -
 .../table/category-management-dialog.tsx           | 515 +++++++++++++++++++++
 .../table/create-approval-template-sheet.tsx       |  55 ++-
 .../table/update-approval-template-sheet.tsx       |  23 -
 11 files changed, 1047 insertions(+), 76 deletions(-)
 create mode 100644 lib/approval-template/category-service.ts
 create mode 100644 lib/approval-template/category-validations.ts
 create mode 100644 lib/approval-template/table/category-management-dialog.tsx
 delete mode 100644 lib/approval-template/table/update-approval-template-sheet.tsx

(limited to 'lib')

diff --git a/lib/approval-line/table/approval-line-table-toolbar-actions.tsx b/lib/approval-line/table/approval-line-table-toolbar-actions.tsx
index 6b6600fe..53798e5f 100644
--- a/lib/approval-line/table/approval-line-table-toolbar-actions.tsx
+++ b/lib/approval-line/table/approval-line-table-toolbar-actions.tsx
@@ -5,8 +5,9 @@ import { type Table } from "@tanstack/react-table"
 import { Button } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
 import { DataTableViewOptions } from "@/components/data-table/data-table-view-options"
-import { Plus, Download, Upload } from "lucide-react"
+import { Plus, Download, Upload, Settings } from "lucide-react"
 import { type ApprovalLine } from "../service"
+import { CategoryManagementDialog } from "@/lib/approval-template/table/category-management-dialog"
 
 interface ApprovalLineTableToolbarActionsProps {
   table: Table<ApprovalLine>
@@ -17,6 +18,7 @@ export function ApprovalLineTableToolbarActions({
   table,
   onCreateLine,
 }: ApprovalLineTableToolbarActionsProps) {
+  const [showCategoryDialog, setShowCategoryDialog] = React.useState(false)
   const isFiltered = table.getState().columnFilters.length > 0
 
   return (
@@ -41,6 +43,22 @@ export function ApprovalLineTableToolbarActions({
         )}
       </div>
       <div className="flex items-center space-x-2">
+        {/* 카테고리 관리 버튼 */}
+        <CategoryManagementDialog
+          open={showCategoryDialog}
+          onOpenChange={setShowCategoryDialog}
+          showTrigger={false}
+        />
+
+        <Button
+          variant="outline"
+          size="sm"
+          onClick={() => setShowCategoryDialog(true)}
+        >
+          <Settings className="mr-2 h-4 w-4" />
+          카테고리 관리
+        </Button>
+
         <Button
           variant="outline"
           size="sm"
diff --git a/lib/approval-line/table/create-approval-line-sheet.tsx b/lib/approval-line/table/create-approval-line-sheet.tsx
index c19d11ab..b7878f71 100644
--- a/lib/approval-line/table/create-approval-line-sheet.tsx
+++ b/lib/approval-line/table/create-approval-line-sheet.tsx
@@ -30,6 +30,7 @@ import { type ApprovalLineFormData, ApprovalLineSchema } from "../validations"
 import { ApprovalLineSelector } from "@/components/knox/approval/ApprovalLineSelector"
 import { OrganizationManagerSelector, type OrganizationManagerItem } from "@/components/common/organization/organization-manager-selector"
 import { useSession } from "next-auth/react"
+import { getActiveApprovalTemplateCategories, type ApprovalTemplateCategory } from "@/lib/approval-template/category-service"
 
 interface CreateApprovalLineSheetProps {
   open: boolean
@@ -39,6 +40,8 @@ interface CreateApprovalLineSheetProps {
 export function CreateApprovalLineSheet({ open, onOpenChange }: CreateApprovalLineSheetProps) {
   const { data: session } = useSession();
   const [isSubmitting, setIsSubmitting] = React.useState(false);
+  const [categories, setCategories] = React.useState<ApprovalTemplateCategory[]>([]);
+  const [isLoadingCategories, setIsLoadingCategories] = React.useState(false);
 
   // 고유 ID 생성 함수 (조직 관리자 추가 시 사용)
   const generateUniqueId = () => `apln-${Date.now()}-${Math.random().toString(36).slice(2, 11)}`;
@@ -68,6 +71,30 @@ export function CreateApprovalLineSheet({ open, onOpenChange }: CreateApprovalLi
 
   const aplns = form.watch("aplns");
 
+  // 카테고리 목록 로드
+  React.useEffect(() => {
+    let active = true;
+    const loadCategories = async () => {
+      if (!open) return;
+
+      setIsLoadingCategories(true);
+      try {
+        const data = await getActiveApprovalTemplateCategories();
+        if (active) {
+          setCategories(data);
+        }
+      } catch (error) {
+        console.error('카테고리 로드 실패:', error);
+      } finally {
+        if (active) setIsLoadingCategories(false);
+      }
+    };
+    loadCategories();
+    return () => {
+      active = false;
+    };
+  }, [open]);
+
   // 조직 관리자 추가 (공용 선택기 외 보조 입력 경로)
   const addOrganizationManagers = (managers: OrganizationManagerItem[]) => {
     const next = [...aplns];
@@ -157,9 +184,28 @@ export function CreateApprovalLineSheet({ open, onOpenChange }: CreateApprovalLi
                   render={({ field }) => (
                     <FormItem>
                       <FormLabel>카테고리</FormLabel>
-                      <FormControl>
-                        <Input placeholder="카테고리를 입력하세요" {...field} />
-                      </FormControl>
+                      <Select
+                        value={field.value || "none"}
+                        onValueChange={(value) => field.onChange(value === "none" ? "" : value)}
+                        disabled={isLoadingCategories}
+                      >
+                        <SelectTrigger>
+                          <SelectValue placeholder={isLoadingCategories ? "카테고리 로드 중..." : "카테고리를 선택하세요"} />
+                        </SelectTrigger>
+                        <SelectContent>
+                          <SelectItem value="none">선택 안함</SelectItem>
+                          {categories
+                            .sort((a, b) => a.sortOrder - b.sortOrder)
+                            .map((category) => (
+                              <SelectItem key={`category-${category.id}`} value={category.name}>
+                                {category.name}
+                                {category.description && (
+                                  <span className="text-muted-foreground ml-2">({category.description})</span>
+                                )}
+                              </SelectItem>
+                            ))}
+                        </SelectContent>
+                      </Select>
                       <FormMessage />
                     </FormItem>
                   )}
diff --git a/lib/approval-template/category-service.ts b/lib/approval-template/category-service.ts
new file mode 100644
index 00000000..8f6f93c8
--- /dev/null
+++ b/lib/approval-template/category-service.ts
@@ -0,0 +1,271 @@
+'use server';
+
+import db from '@/db/db';
+import { revalidateI18nPaths } from '@/lib/revalidate';
+import {
+  and,
+  asc,
+  count,
+  desc,
+  eq,
+  ilike,
+  or,
+} from 'drizzle-orm';
+
+import { approvalTemplateCategories, approvalTemplates } from '@/db/schema/knox/approvals';
+
+// ---------------------------------------------
+// Types
+// ---------------------------------------------
+
+export type ApprovalTemplateCategory = typeof approvalTemplateCategories.$inferSelect;
+
+// ---------------------------------------------
+// Revalidation helpers
+// ---------------------------------------------
+async function revalidateApprovalTemplateCategoriesPaths() {
+  await revalidateI18nPaths('/evcp/approval/template');
+}
+
+// ---------------------------------------------
+// List & read helpers
+// ---------------------------------------------
+
+interface ListInput {
+  page: number;
+  perPage: number;
+  search?: string;
+  filters?: Record<string, unknown>[];
+  joinOperator?: 'and' | 'or';
+  sort?: Array<{ id: string; desc: boolean }>;
+}
+
+export async function getApprovalTemplateCategoryList(input: ListInput) {
+  const offset = (input.page - 1) * input.perPage;
+
+  /* ------------------------------------------------------------------
+   * WHERE 절 구성
+   * ----------------------------------------------------------------*/
+  const advancedWhere = input.filters ? and(
+    ...input.filters.map(filter => {
+      // 간단한 필터링 로직 - 실제로는 filterColumns 유틸리티 사용 가능
+      return eq(approvalTemplateCategories.isActive, true);
+    })
+  ) : undefined;
+
+  // 전역 검색 (name, description)
+  let globalWhere;
+  if (input.search) {
+    const s = `%${input.search}%`;
+    globalWhere = or(
+      ilike(approvalTemplateCategories.name, s),
+      ilike(approvalTemplateCategories.description, s),
+    );
+  }
+
+  const conditions = [];
+  if (advancedWhere) conditions.push(advancedWhere);
+  if (globalWhere) conditions.push(globalWhere);
+
+  const where =
+    conditions.length === 0
+      ? undefined
+      : conditions.length === 1
+      ? conditions[0]
+      : and(...conditions);
+
+  /* ------------------------------------------------------------------
+   * ORDER BY 절 구성
+   * ----------------------------------------------------------------*/
+  let orderBy;
+  try {
+    orderBy = input.sort && input.sort.length > 0
+      ? input.sort
+          .map((item) => {
+            if (!item || !item.id || typeof item.id !== 'string') return null;
+            if (!(item.id in approvalTemplateCategories)) return null;
+            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+            // @ts-ignore
+            const col = approvalTemplateCategories[item.id];
+            return item.desc ? desc(col) : asc(col);
+          })
+          .filter((v): v is Exclude<typeof v, null> => v !== null)
+      : [asc(approvalTemplateCategories.sortOrder), asc(approvalTemplateCategories.name)];
+  } catch {
+    orderBy = [asc(approvalTemplateCategories.sortOrder), asc(approvalTemplateCategories.name)];
+  }
+
+  /* ------------------------------------------------------------------
+   * 데이터 조회
+   * ----------------------------------------------------------------*/
+  const data = await db
+    .select()
+    .from(approvalTemplateCategories)
+    .where(where)
+    .orderBy(...orderBy)
+    .limit(input.perPage)
+    .offset(offset);
+
+  const totalResult = await db
+    .select({ count: count() })
+    .from(approvalTemplateCategories)
+    .where(where);
+
+  const total = totalResult[0]?.count ?? 0;
+  const pageCount = Math.ceil(total / input.perPage);
+
+  return {
+    data,
+    pageCount,
+  };
+}
+
+// ----------------------------------------------------
+// Get single category
+// ----------------------------------------------------
+export async function getApprovalTemplateCategory(id: string): Promise<ApprovalTemplateCategory | null> {
+  const [category] = await db
+    .select()
+    .from(approvalTemplateCategories)
+    .where(eq(approvalTemplateCategories.id, id))
+    .limit(1);
+
+  return category || null;
+}
+
+// ----------------------------------------------------
+// Create category
+// ----------------------------------------------------
+interface CreateInput {
+  name: string;
+  description?: string;
+  sortOrder?: number;
+  createdBy: number;
+}
+
+export async function createApprovalTemplateCategory(data: CreateInput): Promise<ApprovalTemplateCategory> {
+  // 중복 이름 체크
+  const existing = await db
+    .select({ id: approvalTemplateCategories.id })
+    .from(approvalTemplateCategories)
+    .where(and(
+      eq(approvalTemplateCategories.name, data.name),
+      eq(approvalTemplateCategories.isActive, true)
+    ))
+    .limit(1);
+
+  if (existing.length > 0) {
+    throw new Error('이미 존재하는 카테고리 이름입니다.');
+  }
+
+  const [newCategory] = await db
+    .insert(approvalTemplateCategories)
+    .values({
+      name: data.name,
+      description: data.description,
+      sortOrder: data.sortOrder ?? 0,
+      createdBy: data.createdBy,
+      updatedBy: data.createdBy,
+    })
+    .returning();
+
+  await revalidateApprovalTemplateCategoriesPaths();
+  return newCategory;
+}
+
+// ----------------------------------------------------
+// Update category
+// ----------------------------------------------------
+interface UpdateInput {
+  name?: string;
+  description?: string;
+  isActive?: boolean;
+  sortOrder?: number;
+  updatedBy: number;
+}
+
+export async function updateApprovalTemplateCategory(id: string, data: UpdateInput): Promise<ApprovalTemplateCategory> {
+  const existing = await getApprovalTemplateCategory(id);
+  if (!existing) throw new Error('카테고리를 찾을 수 없습니다.');
+
+  // 이름 변경 시 중복 체크
+  if (data.name && data.name !== existing.name) {
+    const existingName = await db
+      .select({ id: approvalTemplateCategories.id })
+      .from(approvalTemplateCategories)
+      .where(and(
+        eq(approvalTemplateCategories.name, data.name),
+        eq(approvalTemplateCategories.isActive, true)
+      ))
+      .limit(1);
+
+    if (existingName.length > 0) {
+      throw new Error('이미 존재하는 카테고리 이름입니다.');
+    }
+  }
+
+  await db
+    .update(approvalTemplateCategories)
+    .set({
+      name: data.name ?? existing.name,
+      description: data.description === undefined ? existing.description : data.description,
+      isActive: data.isActive ?? existing.isActive,
+      sortOrder: data.sortOrder ?? existing.sortOrder,
+      updatedAt: new Date(),
+      updatedBy: data.updatedBy,
+    })
+    .where(eq(approvalTemplateCategories.id, id));
+
+  const result = await getApprovalTemplateCategory(id);
+  if (!result) throw new Error('업데이트된 카테고리를 조회할 수 없습니다.');
+  await revalidateApprovalTemplateCategoriesPaths();
+  return result;
+}
+
+// ----------------------------------------------------
+// Delete category (soft delete - 비활성화)
+// ----------------------------------------------------
+export async function deleteApprovalTemplateCategory(id: string, updatedBy: number): Promise<{ success: boolean; error?: string }> {
+  try {
+    const existing = await getApprovalTemplateCategory(id);
+    if (!existing) return { success: false, error: '카테고리를 찾을 수 없습니다.' };
+
+    // 카테고리가 사용 중인지 확인 (approvalTemplates에서 참조 확인)
+    const usageCount = await db
+      .select({ count: count() })
+      .from(approvalTemplates)
+      .where(eq(approvalTemplates.category, existing.name));
+
+    if (usageCount[0]?.count > 0) {
+      return { success: false, error: '사용 중인 카테고리는 삭제할 수 없습니다.' };
+    }
+
+    await db
+      .update(approvalTemplateCategories)
+      .set({
+        isActive: false,
+        updatedAt: new Date(),
+        updatedBy,
+      })
+      .where(eq(approvalTemplateCategories.id, id));
+
+    await revalidateApprovalTemplateCategoriesPaths();
+    return { success: true };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : '삭제에 실패했습니다.',
+    };
+  }
+}
+
+// ----------------------------------------------------
+// Get all active categories (드롭다운용)
+// ----------------------------------------------------
+export async function getActiveApprovalTemplateCategories(): Promise<ApprovalTemplateCategory[]> {
+  return await db
+    .select()
+    .from(approvalTemplateCategories)
+    .where(eq(approvalTemplateCategories.isActive, true))
+    .orderBy(asc(approvalTemplateCategories.sortOrder), asc(approvalTemplateCategories.name));
+}
diff --git a/lib/approval-template/category-validations.ts b/lib/approval-template/category-validations.ts
new file mode 100644
index 00000000..a613fd94
--- /dev/null
+++ b/lib/approval-template/category-validations.ts
@@ -0,0 +1,47 @@
+import {
+  createSearchParamsCache,
+  parseAsArrayOf,
+  parseAsInteger,
+  parseAsString,
+  parseAsStringEnum,
+} from 'nuqs/server';
+import { z } from 'zod';
+
+import { getFiltersStateParser, getSortingStateParser } from '@/lib/parsers';
+import { approvalTemplateCategories } from '@/db/schema/knox/approvals';
+
+// 검색 파라미터 캐시
+export const SearchParamsApprovalTemplateCategoryCache = createSearchParamsCache({
+  flags: parseAsArrayOf(z.enum(['advancedTable', 'floatingBar'])).withDefault([]),
+  page: parseAsInteger.withDefault(1),
+  perPage: parseAsInteger.withDefault(10),
+  sort: getSortingStateParser<typeof approvalTemplateCategories>().withDefault([
+    { id: 'sortOrder', desc: false },
+    { id: 'name', desc: false },
+  ]),
+  filters: getFiltersStateParser().withDefault([]),
+  joinOperator: parseAsStringEnum(['and', 'or']).withDefault('and'),
+  search: parseAsString.withDefault(''),
+});
+
+export type GetApprovalTemplateCategorySchema = Awaited<
+  ReturnType<typeof SearchParamsApprovalTemplateCategoryCache.parse>
+>;
+
+// 카테고리 생성 스키마
+export const createApprovalTemplateCategorySchema = z.object({
+  name: z.string().min(1, '카테고리 이름을 입력해주세요.').max(100, '카테고리 이름은 100자 이내로 입력해주세요.'),
+  description: z.string().max(500, '설명은 500자 이내로 입력해주세요.').optional(),
+  sortOrder: z.number().int().min(0).default(0),
+});
+
+// 카테고리 업데이트 스키마
+export const updateApprovalTemplateCategorySchema = z.object({
+  name: z.string().min(1, '카테고리 이름을 입력해주세요.').max(100, '카테고리 이름은 100자 이내로 입력해주세요.').optional(),
+  description: z.string().max(500, '설명은 500자 이내로 입력해주세요.').optional(),
+  isActive: z.boolean().optional(),
+  sortOrder: z.number().int().min(0).optional(),
+});
+
+export type CreateApprovalTemplateCategorySchema = z.infer<typeof createApprovalTemplateCategorySchema>;
+export type UpdateApprovalTemplateCategorySchema = z.infer<typeof updateApprovalTemplateCategorySchema>;
diff --git a/lib/approval-template/editor/approval-template-editor.tsx b/lib/approval-template/editor/approval-template-editor.tsx
index f23ac4bd..2c4ef65e 100644
--- a/lib/approval-template/editor/approval-template-editor.tsx
+++ b/lib/approval-template/editor/approval-template-editor.tsx
@@ -19,18 +19,21 @@ import { getApprovalLineOptionsAction } from "@/lib/approval-line/service"
 import { type ApprovalTemplate } from "@/lib/approval-template/service"
 import { type Editor } from "@tiptap/react"
 import { updateApprovalTemplateAction } from "@/lib/approval-template/service"
+import { getActiveApprovalTemplateCategories, type ApprovalTemplateCategory } from "@/lib/approval-template/category-service"
 import { useSession } from "next-auth/react"
+import { useRouter, usePathname } from "next/navigation"
 
 interface ApprovalTemplateEditorProps {
   templateId: string
   initialTemplate: ApprovalTemplate
   staticVariables?: Array<{ variableName: string }>
   approvalLineOptions: Array<{ id: string; name: string }>
-  approvalLineCategories: string[]
 }
 
-export function ApprovalTemplateEditor({ templateId, initialTemplate, staticVariables = [], approvalLineOptions, approvalLineCategories }: ApprovalTemplateEditorProps) {
+export function ApprovalTemplateEditor({ templateId, initialTemplate, staticVariables = [], approvalLineOptions }: ApprovalTemplateEditorProps) {
     const { data: session } = useSession()
+    const router = useRouter()
+    const pathname = usePathname()
   const [rte, setRte] = React.useState<Editor | null>(null)
   const [template, setTemplate] = React.useState(initialTemplate)
   const [isSaving, startSaving] = React.useTransition()
@@ -56,11 +59,43 @@ export function ApprovalTemplateEditor({ templateId, initialTemplate, staticVari
     approvalLineId: (template as { approvalLineId?: string | null }).approvalLineId ?? "",
   })
 
-  const [category, setCategory] = React.useState(form.category ?? (approvalLineCategories[0] ?? ""))
+  const [categories, setCategories] = React.useState<ApprovalTemplateCategory[]>([])
+  const [isLoadingCategories, setIsLoadingCategories] = React.useState(false)
+  const [category, setCategory] = React.useState(form.category ?? "")
+  const [isInitialLoad, setIsInitialLoad] = React.useState(true)
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const [lineOptions, setLineOptions] = React.useState(approvalLineOptions as Array<{ id: string; name: string; aplns?: any[]; category?: string | null }>)
   const [isLoadingLines, setIsLoadingLines] = React.useState(false)
 
+  // 카테고리 목록 로드 (초기 한 번만)
+  React.useEffect(() => {
+    let active = true
+    const loadCategories = async () => {
+      setIsLoadingCategories(true)
+      try {
+        const data = await getActiveApprovalTemplateCategories()
+        if (active) {
+          setCategories(data)
+          // 초기 로드 시에만 기본 카테고리 설정 (템플릿의 카테고리가 없고 카테고리가 선택되지 않은 경우)
+          if (isInitialLoad && !category && data.length > 0) {
+            const defaultCategory = form.category || data[0].name
+            setCategory(defaultCategory)
+          }
+          setIsInitialLoad(false)
+        }
+      } catch (error) {
+        console.error('카테고리 로드 실패:', error)
+      } finally {
+        if (active) setIsLoadingCategories(false)
+      }
+    }
+    loadCategories()
+    return () => {
+      active = false
+    }
+  }, []) // 빈 의존성 배열로 초기 한 번만 실행
+
+  // 결재선 옵션 로드
   React.useEffect(() => {
     let active = true
     const run = async () => {
@@ -109,6 +144,12 @@ export function ApprovalTemplateEditor({ templateId, initialTemplate, staticVari
 
       setTemplate(data)
       toast.success("저장되었습니다")
+
+      // 저장 후 목록 페이지로 이동 (back-button.tsx 로직 참고)
+      const segments = pathname.split('/').filter(Boolean)
+      const newSegments = segments.slice(0, -1) // 마지막 세그먼트(ID) 제거
+      const targetPath = newSegments.length > 0 ? `/${newSegments.join('/')}` : '/'
+      router.push(targetPath)
     })
   }
 
@@ -161,18 +202,25 @@ export function ApprovalTemplateEditor({ templateId, initialTemplate, staticVari
                 <div className="space-y-2">
                   <label className="text-sm font-medium">카테고리</label>
                   <Select
-                    value={category}
-                    onValueChange={(value) => setCategory(value)}
+                    value={category || "none"}
+                    onValueChange={(value) => setCategory(value === "none" ? "" : value)}
+                    disabled={isLoadingCategories}
                   >
                     <SelectTrigger>
-                      <SelectValue placeholder="카테고리를 선택하세요" />
+                      <SelectValue placeholder={isLoadingCategories ? "카테고리 로드 중..." : "카테고리를 선택하세요"} />
                     </SelectTrigger>
                     <SelectContent>
-                      {approvalLineCategories.map((cat) => (
-                        <SelectItem key={cat} value={cat}>
-                          {cat}
-                        </SelectItem>
-                      ))}
+                      <SelectItem value="none">선택 안함</SelectItem>
+                      {categories
+                        .sort((a, b) => a.sortOrder - b.sortOrder)
+                        .map((cat) => (
+                          <SelectItem key={`category-${cat.id}`} value={cat.name}>
+                            {cat.name}
+                            {cat.description && (
+                              <span className="text-muted-foreground ml-2">({cat.description})</span>
+                            )}
+                          </SelectItem>
+                        ))}
                     </SelectContent>
                   </Select>
                 </div>
diff --git a/lib/approval-template/service.ts b/lib/approval-template/service.ts
index cb687c4f..4b92b817 100644
--- a/lib/approval-template/service.ts
+++ b/lib/approval-template/service.ts
@@ -19,6 +19,7 @@ import {
 } from '@/db/schema/knox/approvals';
 
 import { filterColumns } from '@/lib/filter-columns';
+import { GetApprovalTemplateSchema } from './validations';
 
 // ---------------------------------------------
 // Types
@@ -45,16 +46,7 @@ export interface ApprovalTemplateWithVariables extends ApprovalTemplate {
 // List & read helpers
 // ---------------------------------------------
 
-interface ListInput {
-  page: number;
-  perPage: number;
-  search?: string;
-  filters?: Record<string, unknown>[];
-  joinOperator?: 'and' | 'or';
-  sort?: Array<{ id: string; desc: boolean }>;
-}
-
-export async function getApprovalTemplateList(input: ListInput) {
+export async function getApprovalTemplateList(input: GetApprovalTemplateSchema) {
   const offset = (input.page - 1) * input.perPage;
 
   /* ------------------------------------------------------------------
@@ -79,15 +71,17 @@ export async function getApprovalTemplateList(input: ListInput) {
   }
 
   const conditions = [];
+
   if (advancedWhere) conditions.push(advancedWhere);
   if (globalWhere) conditions.push(globalWhere);
 
-  const where =
-    conditions.length === 0
-      ? undefined
-      : conditions.length === 1
-        ? conditions[0]
-        : and(...conditions);
+  let finalWhere;
+  if (conditions.length > 0) {
+    finalWhere = conditions.length > 1 ? and(...conditions) : conditions[0];
+  }
+
+  // 아니면 ilike, inArray, gte 등으로 where 절 구성
+  const where = finalWhere;
 
   /* ------------------------------------------------------------------
    * ORDER BY 절 구성
@@ -97,16 +91,14 @@ export async function getApprovalTemplateList(input: ListInput) {
     orderBy = input.sort && input.sort.length > 0
       ? input.sort
           .map((item) => {
-            if (!item || !item.id || typeof item.id !== 'string') return null;
-            if (!(item.id in approvalTemplates)) return null;
-            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-            // @ts-ignore
-            const col = approvalTemplates[item.id];
+            if (!item || !item.id || typeof item.id !== "string" || !(item.id in approvalTemplates)) return null;
+            const col = approvalTemplates[item.id as keyof typeof approvalTemplates];
             return item.desc ? desc(col) : asc(col);
           })
           .filter((v): v is Exclude<typeof v, null> => v !== null)
       : [desc(approvalTemplates.updatedAt)];
-  } catch {
+  } catch (orderErr) {
+    console.error("Error building order by:", orderErr);
     orderBy = [desc(approvalTemplates.updatedAt)];
   }
 
@@ -313,9 +305,14 @@ export async function duplicateApprovalTemplate(
       variables: existing.variables?.map((v) => ({
         variableName: v.variableName,
         variableType: v.variableType,
-        defaultValue: v.defaultValue,
-        description: v.description,
-      })),
+        defaultValue: v.defaultValue ?? undefined,
+        description: v.description ?? undefined,
+      })) as Array<{
+        variableName: string;
+        variableType: string;
+        defaultValue?: string;
+        description?: string;
+      }>,
     })
 
     return { success: true, data: duplicated }
diff --git a/lib/approval-template/table/approval-template-table-toolbar-actions.tsx b/lib/approval-template/table/approval-template-table-toolbar-actions.tsx
index 08aba97a..62754cc1 100644
--- a/lib/approval-template/table/approval-template-table-toolbar-actions.tsx
+++ b/lib/approval-template/table/approval-template-table-toolbar-actions.tsx
@@ -8,6 +8,7 @@ import { Button } from "@/components/ui/button"
 import { type ApprovalTemplate } from "@/lib/approval-template/service"
 import { toast } from "sonner"
 import { DeleteApprovalTemplateDialog } from "./delete-approval-template-dialog"
+import { CategoryManagementDialog } from "./category-management-dialog"
 
 interface ApprovalTemplateTableToolbarActionsProps {
   table: Table<ApprovalTemplate>
@@ -19,6 +20,7 @@ export function ApprovalTemplateTableToolbarActions({
   onCreateTemplate,
 }: ApprovalTemplateTableToolbarActionsProps) {
   const [showDeleteDialog, setShowDeleteDialog] = React.useState(false)
+  const [showCategoryDialog, setShowCategoryDialog] = React.useState(false)
 
   const selectedRows = table.getFilteredSelectedRowModel().rows
   const selectedTemplates = selectedRows.map((row) => row.original)
@@ -72,6 +74,18 @@ export function ApprovalTemplateTableToolbarActions({
 
   return (
     <div className="flex items-center gap-2">
+      {/* 카테고리 관리 버튼 */}
+      <CategoryManagementDialog
+        open={showCategoryDialog}
+        onOpenChange={setShowCategoryDialog}
+        showTrigger={false}
+      />
+
+      {/* 새 템플릿 버튼 */}
+      <Button variant="outline" size="sm" onClick={() => setShowCategoryDialog(true)}>
+        카테고리 관리
+      </Button>
+
       {/* 새 템플릿 버튼 */}
       <Button variant="default" size="sm" onClick={onCreateTemplate}>
         <Plus className="mr-2 size-4" aria-hidden="true" />
diff --git a/lib/approval-template/table/approval-template-table.tsx b/lib/approval-template/table/approval-template-table.tsx
index d7f0e478..84d615a8 100644
--- a/lib/approval-template/table/approval-template-table.tsx
+++ b/lib/approval-template/table/approval-template-table.tsx
@@ -15,7 +15,6 @@ import { getApprovalTemplateList } from '../service';
 import { type ApprovalTemplate } from '../service';
 import { ApprovalTemplateTableToolbarActions } from './approval-template-table-toolbar-actions';
 import { CreateApprovalTemplateSheet } from './create-approval-template-sheet';
-import { UpdateApprovalTemplateSheet } from './update-approval-template-sheet';
 import { DuplicateApprovalTemplateSheet } from './duplicate-approval-template-sheet';
 import { DeleteApprovalTemplateDialog } from './delete-approval-template-dialog';
 
@@ -27,7 +26,6 @@ interface ApprovalTemplateTableProps {
 
 export function ApprovalTemplateTable({ promises }: ApprovalTemplateTableProps) {
   const [{ data, pageCount }] = React.use(promises);
-
   const [rowAction, setRowAction] = 
     React.useState<DataTableRowAction<ApprovalTemplate> | null>(null);
 
@@ -105,13 +103,6 @@ export function ApprovalTemplateTable({ promises }: ApprovalTemplateTableProps)
         onOpenChange={setShowCreateSheet}
       />
 
-      {/* 템플릿 수정 Sheet */}
-      <UpdateApprovalTemplateSheet
-        open={rowAction?.type === "update"}
-        onOpenChange={() => setRowAction(null)}
-        template={rowAction?.type === "update" ? rowAction.row.original : null}
-      />
-
       {/* 템플릿 복제 Sheet */}
       <DuplicateApprovalTemplateSheet
         open={rowAction?.type === "duplicate"}
diff --git a/lib/approval-template/table/category-management-dialog.tsx b/lib/approval-template/table/category-management-dialog.tsx
new file mode 100644
index 00000000..7f8b202d
--- /dev/null
+++ b/lib/approval-template/table/category-management-dialog.tsx
@@ -0,0 +1,515 @@
+"use client"
+
+import * as React from "react"
+import { Loader, Plus, Settings, Trash, Edit, Eye, EyeOff } from "lucide-react"
+import { toast } from "sonner"
+import { useForm } from "react-hook-form"
+import { zodResolver } from "@hookform/resolvers/zod"
+
+import { Button } from "@/components/ui/button"
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@/components/ui/dialog"
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from "@/components/ui/form"
+import { Input } from "@/components/ui/input"
+import { Textarea } from "@/components/ui/textarea"
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table"
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog"
+import { Badge } from "@/components/ui/badge"
+
+import { type ApprovalTemplateCategory } from "../category-service"
+import {
+  createApprovalTemplateCategory,
+  updateApprovalTemplateCategory,
+  deleteApprovalTemplateCategory,
+  getApprovalTemplateCategoryList,
+  getActiveApprovalTemplateCategories,
+} from "../category-service"
+import {
+  createApprovalTemplateCategorySchema,
+  updateApprovalTemplateCategorySchema,
+  type CreateApprovalTemplateCategorySchema,
+  type UpdateApprovalTemplateCategorySchema,
+} from "../category-validations"
+
+interface CategoryManagementDialogProps extends React.ComponentPropsWithRef<typeof Dialog> {
+  showTrigger?: boolean
+  onSuccess?: () => void
+}
+
+export function CategoryManagementDialog({
+  showTrigger = true,
+  onSuccess,
+  ...props
+}: CategoryManagementDialogProps) {
+  const [categories, setCategories] = React.useState<ApprovalTemplateCategory[]>([])
+  const [isLoading, setIsLoading] = React.useState(false)
+  const [editingCategory, setEditingCategory] = React.useState<ApprovalTemplateCategory | null>(null)
+  const [deletingCategory, setDeletingCategory] = React.useState<ApprovalTemplateCategory | null>(null)
+  const [showCreateForm, setShowCreateForm] = React.useState(false)
+
+  // 폼 상태
+  const createForm = useForm<CreateApprovalTemplateCategorySchema>({
+    resolver: zodResolver(createApprovalTemplateCategorySchema),
+    defaultValues: {
+      name: "",
+      description: "",
+      sortOrder: 0,
+    },
+  })
+
+  const updateForm = useForm<UpdateApprovalTemplateCategorySchema>({
+    resolver: zodResolver(updateApprovalTemplateCategorySchema),
+    defaultValues: {
+      name: "",
+      description: "",
+      isActive: true,
+      sortOrder: 0,
+    },
+  })
+
+  // 카테고리 목록 로드
+  const loadCategories = React.useCallback(async () => {
+    setIsLoading(true)
+    try {
+      const result = await getApprovalTemplateCategoryList({
+        page: 1,
+        perPage: 100, // 충분히 큰 수로 모든 카테고리 로드
+        sort: [
+          { id: 'sortOrder', desc: false },
+          { id: 'name', desc: false }
+        ],
+      })
+      setCategories(result.data)
+    } catch (error) {
+      toast.error("카테고리 목록을 불러오는데 실패했습니다.")
+    } finally {
+      setIsLoading(false)
+    }
+  }, [])
+
+  React.useEffect(() => {
+    if (props.open) {
+      loadCategories()
+    }
+  }, [props.open, loadCategories])
+
+  // 생성 핸들러
+  const handleCreate = async (data: CreateApprovalTemplateCategorySchema) => {
+    try {
+      // 임시 사용자 ID (실제로는 세션에서 가져와야 함)
+      const userId = 1 // TODO: 실제 사용자 ID로 변경
+
+      await createApprovalTemplateCategory({
+        ...data,
+        createdBy: userId,
+      })
+
+      toast.success("카테고리가 생성되었습니다.")
+      createForm.reset()
+      setShowCreateForm(false)
+      loadCategories()
+      onSuccess?.()
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : "카테고리 생성에 실패했습니다.")
+    }
+  }
+
+  // 수정 핸들러
+  const handleUpdate = async (data: UpdateApprovalTemplateCategorySchema) => {
+    if (!editingCategory) return
+
+    try {
+      // 임시 사용자 ID (실제로는 세션에서 가져와야 함)
+      const userId = 1 // TODO: 실제 사용자 ID로 변경
+
+      await updateApprovalTemplateCategory(editingCategory.id, {
+        ...data,
+        updatedBy: userId,
+      })
+
+      toast.success("카테고리가 수정되었습니다.")
+      setEditingCategory(null)
+      updateForm.reset()
+      loadCategories()
+      onSuccess?.()
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : "카테고리 수정에 실패했습니다.")
+    }
+  }
+
+  // 삭제 핸들러
+  const handleDelete = async () => {
+    if (!deletingCategory) return
+
+    try {
+      // 임시 사용자 ID (실제로는 세션에서 가져와야 함)
+      const userId = 1 // TODO: 실제 사용자 ID로 변경
+
+      const result = await deleteApprovalTemplateCategory(deletingCategory.id, userId)
+      if (result.error) {
+        toast.error(result.error)
+      } else {
+        toast.success("카테고리가 삭제되었습니다.")
+        loadCategories()
+        onSuccess?.()
+      }
+    } catch (error) {
+      toast.error("카테고리 삭제에 실패했습니다.")
+    } finally {
+      setDeletingCategory(null)
+    }
+  }
+
+  // 수정 폼 열기
+  const openEditForm = (category: ApprovalTemplateCategory) => {
+    setEditingCategory(category)
+    updateForm.reset({
+      name: category.name,
+      description: category.description || "",
+      isActive: category.isActive,
+      sortOrder: category.sortOrder,
+    })
+  }
+
+  const trigger = showTrigger ? (
+    <DialogTrigger asChild>
+      <Button variant="outline" size="sm">
+        <Settings className="mr-2 size-4" aria-hidden="true" />
+        카테고리 관리
+      </Button>
+    </DialogTrigger>
+  ) : null
+
+  return (
+    <>
+      {trigger}
+      <Dialog {...props}>
+        <DialogContent className="max-w-4xl max-h-[80vh] overflow-y-auto">
+          <DialogHeader>
+            <DialogTitle>결재 템플릿 카테고리 관리</DialogTitle>
+            <DialogDescription>
+              결재 템플릿의 카테고리를 관리합니다. 카테고리는 부서별로 분류하여 사용하세요.
+            </DialogDescription>
+          </DialogHeader>
+
+          <div className="space-y-4">
+            {/* 생성 폼 */}
+            {showCreateForm && (
+              <div className="border rounded-lg p-4 space-y-4">
+                <h3 className="text-lg font-semibold">새 카테고리 추가</h3>
+                <Form {...createForm}>
+                  <form onSubmit={createForm.handleSubmit(handleCreate)} className="space-y-4">
+                    <div className="grid grid-cols-2 gap-4">
+                      <FormField
+                        control={createForm.control}
+                        name="name"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>카테고리 이름 *</FormLabel>
+                            <FormControl>
+                              <Input placeholder="카테고리 이름을 입력하세요" {...field} />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+                      <FormField
+                        control={createForm.control}
+                        name="sortOrder"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>정렬 순서</FormLabel>
+                            <FormControl>
+                              <Input
+                                type="number"
+                                placeholder="0"
+                                {...field}
+                                onChange={(e) => field.onChange(parseInt(e.target.value) || 0)}
+                              />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+                    </div>
+                    <FormField
+                      control={createForm.control}
+                      name="description"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>설명</FormLabel>
+                          <FormControl>
+                            <Textarea
+                              placeholder="카테고리에 대한 설명을 입력하세요"
+                              className="min-h-[80px]"
+                              {...field}
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                    <div className="flex gap-2">
+                      <Button type="submit" size="sm">
+                        <Plus className="mr-2 size-4" />
+                        추가
+                      </Button>
+                      <Button
+                        type="button"
+                        variant="outline"
+                        size="sm"
+                        onClick={() => {
+                          setShowCreateForm(false)
+                          createForm.reset()
+                        }}
+                      >
+                        취소
+                      </Button>
+                    </div>
+                  </form>
+                </Form>
+              </div>
+            )}
+
+            {/* 카테고리 목록 */}
+            <div className="space-y-4">
+              <div className="flex items-center justify-between">
+                <h3 className="text-lg font-semibold">카테고리 목록</h3>
+                <Button
+                  variant="outline"
+                  size="sm"
+                  onClick={() => setShowCreateForm(!showCreateForm)}
+                >
+                  <Plus className="mr-2 size-4" />
+                  {showCreateForm ? "취소" : "새 카테고리"}
+                </Button>
+              </div>
+
+              {isLoading ? (
+                <div className="flex items-center justify-center py-8">
+                  <Loader className="size-4 animate-spin" />
+                  <span className="ml-2">로딩 중...</span>
+                </div>
+              ) : (
+                <Table>
+                  <TableHeader>
+                    <TableRow>
+                      <TableHead>이름</TableHead>
+                      <TableHead>설명</TableHead>
+                      <TableHead>정렬순서</TableHead>
+                      <TableHead>상태</TableHead>
+                      <TableHead className="w-[120px]">작업</TableHead>
+                    </TableRow>
+                  </TableHeader>
+                  <TableBody>
+                    {categories.length === 0 ? (
+                      <TableRow>
+                        <TableCell colSpan={5} className="text-center py-8 text-muted-foreground">
+                          등록된 카테고리가 없습니다.
+                        </TableCell>
+                      </TableRow>
+                    ) : (
+                      categories.map((category) => (
+                        <TableRow key={category.id}>
+                          <TableCell className="font-medium">{category.name}</TableCell>
+                          <TableCell className="max-w-[200px] truncate">
+                            {category.description || "-"}
+                          </TableCell>
+                          <TableCell>{category.sortOrder}</TableCell>
+                          <TableCell>
+                            <Badge variant={category.isActive ? "default" : "secondary"}>
+                              {category.isActive ? (
+                                <>
+                                  <Eye className="mr-1 size-3" />
+                                  활성
+                                </>
+                              ) : (
+                                <>
+                                  <EyeOff className="mr-1 size-3" />
+                                  비활성
+                                </>
+                              )}
+                            </Badge>
+                          </TableCell>
+                          <TableCell>
+                            <div className="flex gap-1">
+                              <Button
+                                variant="ghost"
+                                size="sm"
+                                onClick={() => openEditForm(category)}
+                              >
+                                <Edit className="size-4" />
+                              </Button>
+                              <Button
+                                variant="ghost"
+                                size="sm"
+                                onClick={() => setDeletingCategory(category)}
+                              >
+                                <Trash className="size-4" />
+                              </Button>
+                            </div>
+                          </TableCell>
+                        </TableRow>
+                      ))
+                    )}
+                  </TableBody>
+                </Table>
+              )}
+            </div>
+
+            {/* 수정 폼 */}
+            {editingCategory && (
+              <div className="border rounded-lg p-4 space-y-4">
+                <h3 className="text-lg font-semibold">카테고리 수정</h3>
+                <Form {...updateForm}>
+                  <form onSubmit={updateForm.handleSubmit(handleUpdate)} className="space-y-4">
+                    <div className="grid grid-cols-2 gap-4">
+                      <FormField
+                        control={updateForm.control}
+                        name="name"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>카테고리 이름 *</FormLabel>
+                            <FormControl>
+                              <Input placeholder="카테고리 이름을 입력하세요" {...field} />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+                      <FormField
+                        control={updateForm.control}
+                        name="sortOrder"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>정렬 순서</FormLabel>
+                            <FormControl>
+                              <Input
+                                type="number"
+                                placeholder="0"
+                                {...field}
+                                onChange={(e) => field.onChange(parseInt(e.target.value) || 0)}
+                              />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+                    </div>
+                    <FormField
+                      control={updateForm.control}
+                      name="description"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>설명</FormLabel>
+                          <FormControl>
+                            <Textarea
+                              placeholder="카테고리에 대한 설명을 입력하세요"
+                              className="min-h-[80px]"
+                              {...field}
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                    <FormField
+                      control={updateForm.control}
+                      name="isActive"
+                      render={({ field }) => (
+                        <FormItem className="flex items-center space-x-2">
+                          <FormControl>
+                            <input
+                              type="checkbox"
+                              checked={field.value}
+                              onChange={field.onChange}
+                              className="rounded"
+                            />
+                          </FormControl>
+                          <FormLabel>활성 상태</FormLabel>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                    <div className="flex gap-2">
+                      <Button type="submit" size="sm">
+                        <Edit className="mr-2 size-4" />
+                        수정
+                      </Button>
+                      <Button
+                        type="button"
+                        variant="outline"
+                        size="sm"
+                        onClick={() => {
+                          setEditingCategory(null)
+                          updateForm.reset()
+                        }}
+                      >
+                        취소
+                      </Button>
+                    </div>
+                  </form>
+                </Form>
+              </div>
+            )}
+          </div>
+
+          <DialogFooter>
+            <Button variant="outline" onClick={() => props.onOpenChange?.(false)}>
+              닫기
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* 삭제 확인 다이얼로그 */}
+      <AlertDialog open={!!deletingCategory} onOpenChange={() => setDeletingCategory(null)}>
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>카테고리 삭제</AlertDialogTitle>
+            <AlertDialogDescription>
+              "{deletingCategory?.name}" 카테고리를 삭제하시겠습니까?
+              이 작업은 되돌릴 수 없습니다.
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel>취소</AlertDialogCancel>
+            <AlertDialogAction onClick={handleDelete} className="bg-destructive text-destructive-foreground hover:bg-destructive/90">
+              삭제
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+    </>
+  )
+}
diff --git a/lib/approval-template/table/create-approval-template-sheet.tsx b/lib/approval-template/table/create-approval-template-sheet.tsx
index 7e899175..b8e7eafb 100644
--- a/lib/approval-template/table/create-approval-template-sheet.tsx
+++ b/lib/approval-template/table/create-approval-template-sheet.tsx
@@ -20,6 +20,7 @@ import {
   FormDescription,
 } from "@/components/ui/form"
 import { Input } from "@/components/ui/input"
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
 import {
   Sheet,
   SheetClose,
@@ -31,6 +32,7 @@ import {
 } from "@/components/ui/sheet"
 
 import { createApprovalTemplate } from "../service"
+import { getActiveApprovalTemplateCategories, type ApprovalTemplateCategory } from "../category-service"
 
 const createSchema = z.object({
   name: z.string().min(1, "이름은 필수입니다").max(100, "100자 이하"),
@@ -47,6 +49,8 @@ export function CreateApprovalTemplateSheet({ ...props }: CreateApprovalTemplate
   const [isPending, startTransition] = React.useTransition()
   const router = useRouter()
   const { data: session } = useSession()
+  const [categories, setCategories] = React.useState<ApprovalTemplateCategory[]>([])
+  const [isLoadingCategories, setIsLoadingCategories] = React.useState(false)
 
   const form = useForm<CreateSchema>({
     resolver: zodResolver(createSchema),
@@ -58,6 +62,30 @@ export function CreateApprovalTemplateSheet({ ...props }: CreateApprovalTemplate
     },
   })
 
+  // 카테고리 목록 로드
+  React.useEffect(() => {
+    let active = true
+    const loadCategories = async () => {
+      if (!props.open) return
+
+      setIsLoadingCategories(true)
+      try {
+        const data = await getActiveApprovalTemplateCategories()
+        if (active) {
+          setCategories(data)
+        }
+      } catch (error) {
+        console.error('카테고리 로드 실패:', error)
+      } finally {
+        if (active) setIsLoadingCategories(false)
+      }
+    }
+    loadCategories()
+    return () => {
+      active = false
+    }
+  }, [props.open])
+
   function onSubmit(values: CreateSchema) {
     startTransition(async () => {
       if (!session?.user?.id) {
@@ -132,10 +160,29 @@ export function CreateApprovalTemplateSheet({ ...props }: CreateApprovalTemplate
               render={({ field }) => (
                 <FormItem>
                   <FormLabel>카테고리 (선택)</FormLabel>
-                  <FormControl>
-                    <Input placeholder="카테고리" {...field} />
-                  </FormControl>
-                  <FormDescription>카테고리를 입력하지 않으면 미분류로 저장됩니다.</FormDescription>
+                  <Select
+                    value={field.value || "none"}
+                    onValueChange={(value) => field.onChange(value === "none" ? undefined : value)}
+                    disabled={isLoadingCategories}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder={isLoadingCategories ? "카테고리 로드 중..." : "카테고리를 선택하세요"} />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="none">선택 안함</SelectItem>
+                      {categories
+                        .sort((a, b) => a.sortOrder - b.sortOrder)
+                        .map((category) => (
+                          <SelectItem key={category.id} value={category.name}>
+                            {category.name}
+                            {category.description && (
+                              <span className="text-muted-foreground ml-2">({category.description})</span>
+                            )}
+                          </SelectItem>
+                        ))}
+                    </SelectContent>
+                  </Select>
+                  <FormDescription>카테고리를 선택하지 않으면 미분류로 저장됩니다.</FormDescription>
                   <FormMessage />
                 </FormItem>
               )}
diff --git a/lib/approval-template/table/update-approval-template-sheet.tsx b/lib/approval-template/table/update-approval-template-sheet.tsx
deleted file mode 100644
index 05f4069c..00000000
--- a/lib/approval-template/table/update-approval-template-sheet.tsx
+++ /dev/null
@@ -1,23 +0,0 @@
-"use client"
-
-import * as React from "react"
-import { Sheet } from "@/components/ui/sheet"
-import { type ApprovalTemplate } from "@/lib/approval-template/service"
-
-interface UpdateApprovalTemplateSheetProps extends React.ComponentPropsWithRef<typeof Sheet> {
-  template: ApprovalTemplate | null
-}
-
-export function UpdateApprovalTemplateSheet({ template, ...props }: UpdateApprovalTemplateSheetProps) {
-  // 현재 프로젝트 요구사항 범위 내에서는 상세 편집 페이지 또는 별도 에디터가 준비되지 않았으므로
-  // 업데이트 시트는 추후 구현합니다. (이메일 템플릿에서는 사용되지 않아 주석 처리되어 있었음)
-  // 이를 사용하려 할 경우 안내 문구만 표시합니다.
-
-  return (
-    <Sheet {...props}>
-      <div className="p-6 text-sm text-muted-foreground">
-        템플릿 편집 기능은 아직 구현되지 않았습니다.
-      </div>
-    </Sheet>
-  )
-}
-- 
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