<?php

namespace App\Swagger\v1;

/**
 * @OA\Tag(name="ItemMaster", description="품목기준관리 API")
 *
 * ========================================
 * 모델 스키마
 * ========================================
 *
 * @OA\Schema(
 *   schema="ItemPage",
 *   type="object",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="page_name", type="string", example="기본 정보"),
 *   @OA\Property(property="item_type", type="string", enum={"FG","PT","SM","RM","CS"}, example="FG"),
 *   @OA\Property(property="absolute_path", type="string", nullable=true, example="/items/fg/basic"),
 *   @OA\Property(property="is_active", type="boolean", example=true),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(
 *     property="sections",
 *     type="array",
 *
 *     @OA\Items(ref="#/components/schemas/ItemSection")
 *   )
 * )
 *
 * @OA\Schema(
 *   schema="ItemSection",
 *   type="object",
 *   description="엔티티 - 관계는 entity_relationships로 관리",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="title", type="string", example="제품 상세"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields"),
 *   @OA\Property(property="order_no", type="integer", example=0),
 *   @OA\Property(property="is_template", type="boolean", example=false, description="템플릿 여부"),
 *   @OA\Property(property="is_default", type="boolean", example=false, description="기본 템플릿 여부"),
 *   @OA\Property(property="is_locked", type="boolean", example=false, description="연결 잠금 여부 (init API 응답 시 포함)"),
 *   @OA\Property(property="description", type="string", nullable=true, example="섹션 설명"),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(
 *     property="fields",
 *     type="array",
 *
 *     @OA\Items(ref="#/components/schemas/ItemField")
 *   ),
 *
 *   @OA\Property(
 *     property="bom_items",
 *     type="array",
 *
 *     @OA\Items(ref="#/components/schemas/ItemBomItem")
 *   )
 * )
 *
 * @OA\Schema(
 *   schema="ItemField",
 *   type="object",
 *   description="엔티티 - 관계는 entity_relationships로 관리",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="field_name", type="string", example="제품명"),
 *   @OA\Property(property="field_key", type="string", nullable=true, example="81_itemNum", description="필드 고유 키 ({ID}_{key} 형식)"),
 *   @OA\Property(property="field_type", type="string", enum={"textbox","number","dropdown","checkbox","date","textarea"}, example="textbox"),
 *   @OA\Property(property="order_no", type="integer", example=0),
 *   @OA\Property(property="is_required", type="boolean", example=true),
 *   @OA\Property(property="is_locked", type="boolean", example=false, description="엔티티 잠금 여부"),
 *   @OA\Property(property="locked_by", type="integer", nullable=true, example=null, description="잠금 설정자 ID"),
 *   @OA\Property(property="locked_at", type="string", nullable=true, example=null, description="잠금 설정 일시"),
 *   @OA\Property(property="default_value", type="string", nullable=true, example=null),
 *   @OA\Property(property="placeholder", type="string", nullable=true, example="제품명을 입력하세요"),
 *   @OA\Property(property="display_condition", type="object", nullable=true, example=null),
 *   @OA\Property(property="validation_rules", type="object", nullable=true, example=null),
 *   @OA\Property(property="options", type="object", nullable=true, example=null),
 *   @OA\Property(property="properties", type="object", nullable=true, example=null),
 *   @OA\Property(property="category", type="string", nullable=true, example="basic", description="필드 카테고리"),
 *   @OA\Property(property="description", type="string", nullable=true, example="필드 설명"),
 *   @OA\Property(property="is_common", type="boolean", example=false, description="공통 필드 여부"),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00")
 * )
 *
 * @OA\Schema(
 *   schema="ItemBomItem",
 *   type="object",
 *   description="엔티티 - 관계는 entity_relationships로 관리",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="item_code", type="string", nullable=true, example="ITEM001"),
 *   @OA\Property(property="item_name", type="string", example="부품 A"),
 *   @OA\Property(property="quantity", type="number", format="float", example=1.5),
 *   @OA\Property(property="unit", type="string", nullable=true, example="EA"),
 *   @OA\Property(property="unit_price", type="number", format="float", nullable=true, example=10000),
 *   @OA\Property(property="total_price", type="number", format="float", nullable=true, example=15000),
 *   @OA\Property(property="spec", type="string", nullable=true, example="규격 정보"),
 *   @OA\Property(property="note", type="string", nullable=true, example="비고"),
 *   @OA\Property(property="is_locked", type="boolean", example=false, description="연결 잠금 여부 (init API 응답 시 포함)"),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00")
 * )
 *
 * @OA\Schema(
 *   schema="SectionTemplate",
 *   type="object",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="title", type="string", example="기본 템플릿"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields"),
 *   @OA\Property(property="description", type="string", nullable=true, example="설명"),
 *   @OA\Property(property="is_default", type="boolean", example=false),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00")
 * )
 *
 * @OA\Schema(
 *   schema="CustomTab",
 *   type="object",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="label", type="string", example="커스텀 탭"),
 *   @OA\Property(property="icon", type="string", nullable=true, example="icon-name"),
 *   @OA\Property(property="is_default", type="boolean", example=false),
 *   @OA\Property(property="order_no", type="integer", example=0),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="columnSetting", type="object", nullable=true)
 * )
 *
 * @OA\Schema(
 *   schema="UnitOption",
 *   type="object",
 *
 *   @OA\Property(property="id", type="integer", example=1),
 *   @OA\Property(property="tenant_id", type="integer", example=1),
 *   @OA\Property(property="label", type="string", example="개"),
 *   @OA\Property(property="value", type="string", example="EA"),
 *   @OA\Property(property="created_at", type="string", example="2025-11-20 10:00:00"),
 *   @OA\Property(property="updated_at", type="string", example="2025-11-20 10:00:00")
 * )
 *
 * ========================================
 * Request 스키마
 * ========================================
 *
 * @OA\Schema(
 *   schema="ItemPageStoreRequest",
 *   type="object",
 *   required={"page_name","item_type"},
 *
 *   @OA\Property(property="page_name", type="string", maxLength=255, example="기본 정보"),
 *   @OA\Property(property="item_type", type="string", enum={"FG","PT","SM","RM","CS"}, example="FG"),
 *   @OA\Property(property="absolute_path", type="string", nullable=true, maxLength=500, example="/items/fg/basic")
 * )
 *
 * @OA\Schema(
 *   schema="ItemPageUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="page_name", type="string", maxLength=255, example="기본 정보"),
 *   @OA\Property(property="absolute_path", type="string", nullable=true, maxLength=500, example="/items/fg/basic")
 * )
 *
 * @OA\Schema(
 *   schema="ItemSectionStoreRequest",
 *   type="object",
 *   required={"title","type"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="title", type="string", maxLength=255, example="제품 상세"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields")
 * )
 *
 * @OA\Schema(
 *   schema="IndependentSectionStoreRequest",
 *   type="object",
 *   required={"title","type"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="title", type="string", maxLength=255, example="섹션"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields"),
 *   @OA\Property(property="is_template", type="boolean", example=false),
 *   @OA\Property(property="is_default", type="boolean", example=false),
 *   @OA\Property(property="description", type="string", nullable=true, example="섹션 설명")
 * )
 *
 * @OA\Schema(
 *   schema="IndependentFieldStoreRequest",
 *   type="object",
 *   required={"field_name","field_type"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="field_name", type="string", maxLength=255, example="제품명"),
 *   @OA\Property(property="field_key", type="string", nullable=true, maxLength=80, example="itemNum", description="필드 고유 키 (영문+숫자+언더스코어, 저장 시 {ID}_{key} 형식으로 변환)"),
 *   @OA\Property(property="field_type", type="string", enum={"textbox","number","dropdown","checkbox","date","textarea"}, example="textbox"),
 *   @OA\Property(property="is_required", type="boolean", example=false),
 *   @OA\Property(property="default_value", type="string", nullable=true, example=null),
 *   @OA\Property(property="placeholder", type="string", nullable=true, maxLength=255, example="입력하세요"),
 *   @OA\Property(property="display_condition", type="object", nullable=true, example=null),
 *   @OA\Property(property="validation_rules", type="object", nullable=true, example=null),
 *   @OA\Property(property="options", type="object", nullable=true, example=null),
 *   @OA\Property(property="properties", type="object", nullable=true, example=null),
 *   @OA\Property(property="is_locked", type="boolean", nullable=true, example=false, description="잠금 여부")
 * )
 *
 * @OA\Schema(
 *   schema="IndependentBomItemStoreRequest",
 *   type="object",
 *   required={"item_name"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="item_code", type="string", nullable=true, maxLength=100, example="ITEM001"),
 *   @OA\Property(property="item_name", type="string", maxLength=255, example="부품 A"),
 *   @OA\Property(property="quantity", type="number", format="float", example=1),
 *   @OA\Property(property="unit", type="string", nullable=true, maxLength=50, example="EA"),
 *   @OA\Property(property="unit_price", type="number", format="float", nullable=true, example=10000),
 *   @OA\Property(property="total_price", type="number", format="float", nullable=true, example=10000),
 *   @OA\Property(property="spec", type="string", nullable=true, example="규격"),
 *   @OA\Property(property="note", type="string", nullable=true, example="비고")
 * )
 *
 * @OA\Schema(
 *   schema="SectionUsageResponse",
 *   type="object",
 *   description="섹션 사용처 응답 (entity_relationships 기반)",
 *
 *   @OA\Property(property="section_id", type="integer", example=1),
 *   @OA\Property(property="linked_pages", type="array", @OA\Items(type="object")),
 *   @OA\Property(property="total_usage_count", type="integer", example=2)
 * )
 *
 * @OA\Schema(
 *   schema="FieldUsageResponse",
 *   type="object",
 *   description="필드 사용처 응답 (entity_relationships 기반)",
 *
 *   @OA\Property(property="field_id", type="integer", example=1),
 *   @OA\Property(property="linked_sections", type="array", @OA\Items(type="object")),
 *   @OA\Property(property="linked_pages", type="array", @OA\Items(type="object")),
 *   @OA\Property(property="total_usage_count", type="integer", example=3)
 * )
 *
 * @OA\Schema(
 *   schema="ItemSectionUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="title", type="string", maxLength=255, example="제품 상세")
 * )
 *
 * @OA\Schema(
 *   schema="ItemFieldStoreRequest",
 *   type="object",
 *   required={"field_name","field_type"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="field_name", type="string", maxLength=255, example="제품명"),
 *   @OA\Property(property="field_key", type="string", nullable=true, maxLength=80, example="itemNum", description="필드 고유 키 (영문+숫자+언더스코어, 저장 시 {ID}_{key} 형식으로 변환)"),
 *   @OA\Property(property="field_type", type="string", enum={"textbox","number","dropdown","checkbox","date","textarea"}, example="textbox"),
 *   @OA\Property(property="is_required", type="boolean", example=true),
 *   @OA\Property(property="default_value", type="string", nullable=true, example=null),
 *   @OA\Property(property="placeholder", type="string", nullable=true, maxLength=255, example="제품명을 입력하세요"),
 *   @OA\Property(property="display_condition", type="object", nullable=true, example=null),
 *   @OA\Property(property="validation_rules", type="object", nullable=true, example=null),
 *   @OA\Property(property="options", type="object", nullable=true, example=null),
 *   @OA\Property(property="properties", type="object", nullable=true, example=null),
 *   @OA\Property(property="is_locked", type="boolean", nullable=true, example=false, description="잠금 여부")
 * )
 *
 * @OA\Schema(
 *   schema="ItemFieldUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="field_name", type="string", maxLength=255, example="제품명"),
 *   @OA\Property(property="field_key", type="string", nullable=true, maxLength=80, example="itemNum", description="필드 고유 키 (영문+숫자+언더스코어)"),
 *   @OA\Property(property="field_type", type="string", enum={"textbox","number","dropdown","checkbox","date","textarea"}, example="textbox"),
 *   @OA\Property(property="is_required", type="boolean", example=true),
 *   @OA\Property(property="default_value", type="string", nullable=true, example=null),
 *   @OA\Property(property="placeholder", type="string", nullable=true, maxLength=255, example="제품명을 입력하세요"),
 *   @OA\Property(property="display_condition", type="object", nullable=true, example=null),
 *   @OA\Property(property="validation_rules", type="object", nullable=true, example=null),
 *   @OA\Property(property="options", type="object", nullable=true, example=null),
 *   @OA\Property(property="properties", type="object", nullable=true, example=null),
 *   @OA\Property(property="is_locked", type="boolean", nullable=true, example=false, description="잠금 여부")
 * )
 *
 * @OA\Schema(
 *   schema="ItemBomItemStoreRequest",
 *   type="object",
 *   required={"item_name"},
 *
 *   @OA\Property(property="group_id", type="integer", nullable=true, example=1, description="계층번호"),
 *   @OA\Property(property="item_code", type="string", nullable=true, maxLength=100, example="ITEM001"),
 *   @OA\Property(property="item_name", type="string", maxLength=255, example="부품 A"),
 *   @OA\Property(property="quantity", type="number", format="float", example=1.5),
 *   @OA\Property(property="unit", type="string", nullable=true, maxLength=50, example="EA"),
 *   @OA\Property(property="unit_price", type="number", format="float", nullable=true, example=10000),
 *   @OA\Property(property="total_price", type="number", format="float", nullable=true, example=15000),
 *   @OA\Property(property="spec", type="string", nullable=true, example="규격 정보"),
 *   @OA\Property(property="note", type="string", nullable=true, example="비고")
 * )
 *
 * @OA\Schema(
 *   schema="ItemBomItemUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="item_code", type="string", nullable=true, maxLength=100, example="ITEM001"),
 *   @OA\Property(property="item_name", type="string", maxLength=255, example="부품 A"),
 *   @OA\Property(property="quantity", type="number", format="float", example=1.5),
 *   @OA\Property(property="unit", type="string", nullable=true, maxLength=50, example="EA"),
 *   @OA\Property(property="unit_price", type="number", format="float", nullable=true, example=10000),
 *   @OA\Property(property="total_price", type="number", format="float", nullable=true, example=15000),
 *   @OA\Property(property="spec", type="string", nullable=true, example="규격 정보"),
 *   @OA\Property(property="note", type="string", nullable=true, example="비고")
 * )
 *
 * @OA\Schema(
 *   schema="SectionTemplateStoreRequest",
 *   type="object",
 *   required={"title","type"},
 *
 *   @OA\Property(property="page_id", type="integer", nullable=true, example=1, description="연결할 페이지 ID (선택, 있으면 즉시 링크 연결)"),
 *   @OA\Property(property="title", type="string", maxLength=255, example="기본 섹션"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields"),
 *   @OA\Property(property="description", type="string", nullable=true, example="설명"),
 *   @OA\Property(property="is_default", type="boolean", example=false)
 * )
 *
 * @OA\Schema(
 *   schema="SectionTemplateUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="title", type="string", maxLength=255, example="기본 템플릿"),
 *   @OA\Property(property="type", type="string", enum={"fields","bom"}, example="fields"),
 *   @OA\Property(property="description", type="string", nullable=true, example="설명"),
 *   @OA\Property(property="is_default", type="boolean", example=false)
 * )
 *
 * @OA\Schema(
 *   schema="CustomTabStoreRequest",
 *   type="object",
 *   required={"label"},
 *
 *   @OA\Property(property="label", type="string", maxLength=255, example="커스텀 탭"),
 *   @OA\Property(property="icon", type="string", nullable=true, maxLength=100, example="icon-name"),
 *   @OA\Property(property="is_default", type="boolean", example=false)
 * )
 *
 * @OA\Schema(
 *   schema="CustomTabUpdateRequest",
 *   type="object",
 *
 *   @OA\Property(property="label", type="string", maxLength=255, example="커스텀 탭"),
 *   @OA\Property(property="icon", type="string", nullable=true, maxLength=100, example="icon-name"),
 *   @OA\Property(property="is_default", type="boolean", example=false)
 * )
 *
 * @OA\Schema(
 *   schema="UnitOptionStoreRequest",
 *   type="object",
 *   required={"label","value"},
 *
 *   @OA\Property(property="label", type="string", maxLength=100, example="개"),
 *   @OA\Property(property="value", type="string", maxLength=50, example="EA")
 * )
 *
 * @OA\Schema(
 *   schema="ReorderRequest",
 *   type="object",
 *   required={"items"},
 *
 *   @OA\Property(
 *     property="items",
 *     type="array",
 *
 *     @OA\Items(
 *       type="object",
 *       required={"id","order_no"},
 *
 *       @OA\Property(property="id", type="integer", example=1),
 *       @OA\Property(property="order_no", type="integer", example=0)
 *     ),
 *     example={{"id":1,"order_no":0},{"id":2,"order_no":1}}
 *   )
 * )
 *
 * ========================================
 * Response 스키마
 * ========================================
 *
 * @OA\Schema(
 *   schema="ItemMasterInitResponse",
 *   type="object",
 *
 *   @OA\Property(
 *     property="pages",
 *     type="array",
 *     description="페이지 목록 (linkedSections 기반)",
 *
 *     @OA\Items(ref="#/components/schemas/ItemPage")
 *   ),
 *
 *   @OA\Property(
 *     property="sections",
 *     type="array",
 *     description="모든 섹션 목록 (재사용 가능)",
 *
 *     @OA\Items(ref="#/components/schemas/ItemSection")
 *   ),
 *
 *   @OA\Property(
 *     property="fields",
 *     type="array",
 *     description="모든 필드 목록 (재사용 가능)",
 *
 *     @OA\Items(ref="#/components/schemas/ItemField")
 *   ),
 *
 *   @OA\Property(
 *     property="customTabs",
 *     type="array",
 *
 *     @OA\Items(ref="#/components/schemas/CustomTab")
 *   ),
 *
 *   @OA\Property(
 *     property="unitOptions",
 *     type="array",
 *
 *     @OA\Items(ref="#/components/schemas/UnitOption")
 *   )
 * )
 */
class ItemMasterApi
{
    // ════════════════════════════════════════════════════════════════════════
    // 초기화
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/init",
     *   tags={"ItemMaster"},
     *   summary="품목기준관리 초기 데이터 로드",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemMasterInitResponse"))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function init() {}

    // ════════════════════════════════════════════════════════════════════════
    // 필드 (Fields)
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/fields",
     *   tags={"ItemMaster"},
     *   summary="필드 목록 조회",
     *   description="섹션과 연결되지 않은 필드 목록을 조회합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/ItemField")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexFields() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/fields",
     *   tags={"ItemMaster"},
     *   summary="필드 생성",
     *   description="섹션과 연결되지 않은 필드를 생성합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/IndependentFieldStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemField"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeIndependentField() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/sections/{sectionId}/fields",
     *   tags={"ItemMaster"},
     *   summary="필드 생성 (섹션 연결)",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="sectionId", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemFieldStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemField"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeFields() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/fields/{id}",
     *   tags={"ItemMaster"},
     *   summary="필드 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemFieldUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemField"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updateFields() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/fields/{id}",
     *   tags={"ItemMaster"},
     *   summary="필드 삭제",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroyFields() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/sections/{sectionId}/fields/reorder",
     *   tags={"ItemMaster"},
     *   summary="필드 순서 변경",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="sectionId", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ReorderRequest")),
     *
     *   @OA\Response(response=200, description="순서 변경 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function reorderFields() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/fields/{id}/clone",
     *   tags={"ItemMaster"},
     *   summary="필드 복제",
     *   description="기존 필드를 복제하여 새 필드를 생성합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, description="복제할 필드 ID", @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="복제 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemField"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function cloneField() {}

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/fields/{id}/usage",
     *   tags={"ItemMaster"},
     *   summary="필드 사용처 조회",
     *   description="필드가 어떤 섹션/페이지에 연결되어 있는지 조회합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, description="필드 ID", @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/FieldUsageResponse"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function getFieldUsage() {}

    // ════════════════════════════════════════════════════════════════════════
    // 단위 (Unit Options)
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/unit-options",
     *   tags={"ItemMaster"},
     *   summary="단위 옵션 목록",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/UnitOption")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexUnitOptions() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/unit-options",
     *   tags={"ItemMaster"},
     *   summary="단위 옵션 생성",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/UnitOptionStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/UnitOption"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeUnitOptions() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/unit-options/{id}",
     *   tags={"ItemMaster"},
     *   summary="단위 옵션 삭제",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroyUnitOptions() {}

    // ════════════════════════════════════════════════════════════════════════
    // 페이지 (Pages)
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/pages",
     *   tags={"ItemMaster"},
     *   summary="페이지 목록 조회",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="item_type", in="query", description="품목 유형 필터", @OA\Schema(type="string", enum={"FG","PT","SM","RM","CS"})),
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/ItemPage")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexPages() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/pages",
     *   tags={"ItemMaster"},
     *   summary="페이지 생성",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemPageStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemPage"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storePages() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/pages/{id}",
     *   tags={"ItemMaster"},
     *   summary="페이지 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemPageUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemPage"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updatePages() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/pages/{id}",
     *   tags={"ItemMaster"},
     *   summary="페이지 삭제",
     *   description="페이지를 삭제합니다. 연결된 섹션/필드는 삭제되지 않고 관계만 해제됩니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroyPages() {}

    // ════════════════════════════════════════════════════════════════════════
    // 섹션 (Sections)
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/sections",
     *   tags={"ItemMaster"},
     *   summary="섹션 목록 조회",
     *   description="페이지와 연결되지 않은 섹션 목록을 조회합니다. is_template 파라미터로 템플릿 필터링이 가능합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="is_template", in="query", description="템플릿 여부 필터", @OA\Schema(type="boolean")),
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/ItemSection")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexSections() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/sections",
     *   tags={"ItemMaster"},
     *   summary="섹션 생성",
     *   description="페이지와 연결되지 않은 섹션을 생성합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/IndependentSectionStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemSection"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeIndependentSection() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/pages/{pageId}/sections",
     *   tags={"ItemMaster"},
     *   summary="섹션 생성 (페이지 연결)",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="pageId", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemSectionStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemSection"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeSections() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/sections/{id}",
     *   tags={"ItemMaster"},
     *   summary="섹션 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemSectionUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemSection"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updateSections() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/sections/{id}",
     *   tags={"ItemMaster"},
     *   summary="섹션 삭제",
     *   description="섹션을 삭제합니다. 연결된 필드/BOM은 삭제되지 않고 관계만 해제됩니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroySections() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/pages/{pageId}/sections/reorder",
     *   tags={"ItemMaster"},
     *   summary="섹션 순서 변경",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="pageId", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ReorderRequest")),
     *
     *   @OA\Response(response=200, description="순서 변경 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function reorderSections() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/sections/{id}/clone",
     *   tags={"ItemMaster"},
     *   summary="섹션 복제",
     *   description="기존 섹션을 복제하여 새 섹션을 생성합니다. 하위 필드와 BOM 항목도 함께 복제됩니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, description="복제할 섹션 ID", @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="복제 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemSection"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function cloneSection() {}

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/sections/{id}/usage",
     *   tags={"ItemMaster"},
     *   summary="섹션 사용처 조회",
     *   description="섹션이 어떤 페이지에 연결되어 있는지 조회합니다 (entity_relationships 기반).",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, description="섹션 ID", @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/SectionUsageResponse"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function getSectionUsage() {}

    // ────────────────────────────────────────────────────────────────────────
    // 섹션 템플릿 (Section Templates)
    // ────────────────────────────────────────────────────────────────────────

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/section-templates",
     *   tags={"ItemMaster"},
     *   summary="섹션 템플릿 목록",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/SectionTemplate")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexSectionTemplates() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/section-templates",
     *   tags={"ItemMaster"},
     *   summary="섹션 템플릿 생성",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/SectionTemplateStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/SectionTemplate"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeSectionTemplates() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/section-templates/{id}",
     *   tags={"ItemMaster"},
     *   summary="섹션 템플릿 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/SectionTemplateUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/SectionTemplate"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updateSectionTemplates() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/section-templates/{id}",
     *   tags={"ItemMaster"},
     *   summary="섹션 템플릿 삭제",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroySectionTemplates() {}

    // ════════════════════════════════════════════════════════════════════════
    // BOM
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/bom-items",
     *   tags={"ItemMaster"},
     *   summary="BOM 목록 조회",
     *   description="섹션과 연결되지 않은 BOM 항목 목록을 조회합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/ItemBomItem")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexBomItems() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/bom-items",
     *   tags={"ItemMaster"},
     *   summary="BOM 생성",
     *   description="섹션과 연결되지 않은 BOM 항목을 생성합니다.",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/IndependentBomItemStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemBomItem"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeIndependentBomItem() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/sections/{sectionId}/bom-items",
     *   tags={"ItemMaster"},
     *   summary="BOM 항목 생성 (섹션 연결)",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="sectionId", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemBomItemStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemBomItem"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeBomItems() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/bom-items/{id}",
     *   tags={"ItemMaster"},
     *   summary="BOM 항목 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ItemBomItemUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/ItemBomItem"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updateBomItems() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/bom-items/{id}",
     *   tags={"ItemMaster"},
     *   summary="BOM 항목 삭제",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroyBomItems() {}

    // ════════════════════════════════════════════════════════════════════════
    // 커스텀 탭 (Custom Tabs)
    // ════════════════════════════════════════════════════════════════════════

    /**
     * @OA\Get(
     *   path="/api/v1/item-master/custom-tabs",
     *   tags={"ItemMaster"},
     *   summary="커스텀 탭 목록",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Response(response=200, description="조회 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/CustomTab")))
     *     })
     *   ),
     *
     *   @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function indexCustomTabs() {}

    /**
     * @OA\Post(
     *   path="/api/v1/item-master/custom-tabs",
     *   tags={"ItemMaster"},
     *   summary="커스텀 탭 생성",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/CustomTabStoreRequest")),
     *
     *   @OA\Response(response=200, description="생성 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/CustomTab"))
     *     })
     *   ),
     *
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function storeCustomTabs() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/custom-tabs/{id}",
     *   tags={"ItemMaster"},
     *   summary="커스텀 탭 수정",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/CustomTabUpdateRequest")),
     *
     *   @OA\Response(response=200, description="수정 성공",
     *
     *     @OA\JsonContent(allOf={
     *
     *       @OA\Schema(ref="#/components/schemas/ApiResponse"),
     *       @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/CustomTab"))
     *     })
     *   ),
     *
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function updateCustomTabs() {}

    /**
     * @OA\Delete(
     *   path="/api/v1/item-master/custom-tabs/{id}",
     *   tags={"ItemMaster"},
     *   summary="커스텀 탭 삭제",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\Parameter(name="id", in="path", required=true, @OA\Schema(type="integer")),
     *
     *   @OA\Response(response=200, description="삭제 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=404, description="데이터 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function destroyCustomTabs() {}

    /**
     * @OA\Put(
     *   path="/api/v1/item-master/custom-tabs/reorder",
     *   tags={"ItemMaster"},
     *   summary="커스텀 탭 순서 변경",
     *   security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
     *
     *   @OA\RequestBody(required=true, @OA\JsonContent(ref="#/components/schemas/ReorderRequest")),
     *
     *   @OA\Response(response=200, description="순서 변경 성공", @OA\JsonContent(ref="#/components/schemas/ApiResponse")),
     *   @OA\Response(response=422, description="검증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
     * )
     */
    public function reorderCustomTabs() {}
}
