diff --git a/LOGICAL_RELATIONSHIPS.md b/LOGICAL_RELATIONSHIPS.md
index 6174ca53..34aca152 100644
--- a/LOGICAL_RELATIONSHIPS.md
+++ b/LOGICAL_RELATIONSHIPS.md
@@ -1,6 +1,6 @@
 # 논리적 데이터베이스 관계 문서
 
-> **자동 생성**: 2026-03-19 16:09:46
+> **자동 생성**: 2026-03-20 16:30:28
 > **소스**: Eloquent 모델 관계 분석
 
 ## 📊 모델별 관계 현황
@@ -88,6 +88,16 @@ ### hometax_invoice_journals
 - **tenant()**: belongsTo → `tenants`
 - **invoice()**: belongsTo → `hometax_invoices`
 
+### bending_items
+**모델**: `App\Models\BendingItem`
+
+- **files()**: hasMany → `files`
+
+### bending_models
+**모델**: `App\Models\BendingModel`
+
+- **files()**: hasMany → `files`
+
 ### biddings
 **모델**: `App\Models\Bidding\Bidding`
 
@@ -563,6 +573,25 @@ ### material_receipts
 - **material()**: belongsTo → `materials`
 - **inspections()**: hasMany → `material_inspections`
 
+### nonconforming_reports
+**모델**: `App\Models\Materials\NonconformingReport`
+
+- **approval()**: belongsTo → `approvals`
+- **order()**: belongsTo → `orders`
+- **item()**: belongsTo → `items`
+- **department()**: belongsTo → `departments`
+- **creator()**: belongsTo → `users`
+- **actionManager()**: belongsTo → `users`
+- **relatedEmployee()**: belongsTo → `users`
+- **items()**: hasMany → `nonconforming_report_items`
+- **files()**: morphMany → `files`
+
+### nonconforming_report_items
+**모델**: `App\Models\Materials\NonconformingReportItem`
+
+- **report()**: belongsTo → `nonconforming_reports`
+- **item()**: belongsTo → `items`
+
 ### users
 **모델**: `App\Models\Members\User`
 
@@ -723,11 +752,6 @@ ### process_steps
 
 - **process()**: belongsTo → `processes`
 
-### bending_item_mappings
-**모델**: `App\Models\Production\BendingItemMapping`
-
-- **item()**: belongsTo → `items`
-
 ### work_orders
 **모델**: `App\Models\Production\WorkOrder`
 
@@ -815,6 +839,7 @@ ### parts
 ### prices
 **모델**: `App\Models\Products\Price`
 
+- **item()**: belongsTo → `items`
 - **clientGroup()**: belongsTo → `client_groups`
 - **revisions()**: hasMany → `price_revisions`
 
@@ -1087,6 +1112,10 @@ ### cards
 - **creator()**: belongsTo → `users`
 - **updater()**: belongsTo → `users`
 
+### condolence_expenses
+**모델**: `App\Models\Tenants\CondolenceExpense`
+
+
 ### data_exports
 **모델**: `App\Models\Tenants\DataExport`
 
diff --git a/app/Http/Controllers/Api/V1/BendingItemController.php b/app/Http/Controllers/Api/V1/BendingItemController.php
index ec948b37..56f9ad89 100644
--- a/app/Http/Controllers/Api/V1/BendingItemController.php
+++ b/app/Http/Controllers/Api/V1/BendingItemController.php
@@ -53,6 +53,19 @@ public function filters(Request $request): JsonResponse
         );
     }
 
+    public function prefixes(Request $request): JsonResponse
+    {
+        $this->ensureContext($request);
+
+        return ApiResponse::handle(
+            fn () => [
+                'prefixes' => $this->service->prefixes(),
+                'labels' => BendingItemService::PREFIX_LABELS,
+            ],
+            __('message.fetched')
+        );
+    }
+
     public function show(Request $request, int $id): JsonResponse
     {
         $this->ensureContext($request);
@@ -83,6 +96,16 @@ public function update(BendingItemUpdateRequest $request, int $id): JsonResponse
         );
     }
 
+    public function duplicate(Request $request, int $id): JsonResponse
+    {
+        $this->ensureContext($request);
+
+        return ApiResponse::handle(
+            fn () => new BendingItemResource($this->service->duplicate($id)),
+            __('message.created')
+        );
+    }
+
     public function destroy(Request $request, int $id): JsonResponse
     {
         $this->ensureContext($request);
diff --git a/app/Http/Controllers/Api/V1/StockController.php b/app/Http/Controllers/Api/V1/StockController.php
index c19e6eb8..4d2eca28 100644
--- a/app/Http/Controllers/Api/V1/StockController.php
+++ b/app/Http/Controllers/Api/V1/StockController.php
@@ -73,6 +73,32 @@ public function statsByItemType(): JsonResponse
         return ApiResponse::success($stats, __('message.fetched'));
     }
 
+    /**
+     * 재고 수정 (안전재고, 최대재고, 사용상태)
+     */
+    public function update(int $id, Request $request): JsonResponse
+    {
+        try {
+            $data = $request->validate([
+                'safety_stock' => 'nullable|numeric|min:0',
+                'max_stock' => 'nullable|numeric|min:0',
+                'is_active' => 'nullable|boolean',
+            ]);
+
+            // 최대재고가 설정된 경우 안전재고 이상이어야 함
+            if (isset($data['max_stock']) && $data['max_stock'] > 0
+                && isset($data['safety_stock']) && $data['safety_stock'] > $data['max_stock']) {
+                return ApiResponse::error('최대재고는 안전재고 이상이어야 합니다.', 422);
+            }
+
+            $stock = $this->service->updateStock($id, $data);
+
+            return ApiResponse::success($stock, __('message.updated'));
+        } catch (\Illuminate\Database\Eloquent\ModelNotFoundException $e) {
+            return ApiResponse::error(__('error.stock.not_found'), 404);
+        }
+    }
+
     /**
      * 재고 조정 이력 조회
      */
diff --git a/app/Http/Controllers/V1/ProcessController.php b/app/Http/Controllers/V1/ProcessController.php
index dec46878..039ab1c7 100644
--- a/app/Http/Controllers/V1/ProcessController.php
+++ b/app/Http/Controllers/V1/ProcessController.php
@@ -95,6 +95,17 @@ public function toggleActive(int $id): JsonResponse
         );
     }
 
+    /**
+     * 공정 복제
+     */
+    public function duplicate(int $id): JsonResponse
+    {
+        return ApiResponse::handle(
+            fn () => $this->processService->duplicate($id),
+            'message.created'
+        );
+    }
+
     /**
      * 공정 옵션 목록 (드롭다운용)
      */
diff --git a/app/Http/Middleware/ApiKeyMiddleware.php b/app/Http/Middleware/ApiKeyMiddleware.php
index 707ce3ce..fa82e861 100644
--- a/app/Http/Middleware/ApiKeyMiddleware.php
+++ b/app/Http/Middleware/ApiKeyMiddleware.php
@@ -143,6 +143,13 @@ public function handle(Request $request, Closure $next)
             'api/v1/internal/exchange-token', // 내부 서버간 토큰 교환 (HMAC 인증 사용)
             'api/v1/admin/fcm/*',             // Admin FCM API (MNG에서 API Key만으로 접근)
             'api/v1/app/*',                   // 앱 버전 확인/다운로드 (API Key만 필요)
+            'api/v1/bending-items',           // 절곡 기초관리 (MNG에서 API Key + X-TENANT-ID로 접근)
+            'api/v1/bending-items/*',         // 절곡 기초관리 상세/수정/삭제
+            'api/v1/guiderail-models',        // 절곡품 가이드레일 (MNG에서 API Key + X-TENANT-ID로 접근)
+            'api/v1/guiderail-models/*',      // 절곡품 가이드레일 상세
+            'api/v1/items/*/files',           // 품목 파일 (절곡품 이미지 업로드/조회)
+            'api/v1/files/*/presigned-url',   // 파일 presigned URL (이미지 표시)
+            'api/v1/files/presigned-url-by-path', // 파일 경로 기반 presigned URL (문서양식 섹션 이미지)
         ];
 
         // 현재 라우트 확인 (경로 또는 이름)
diff --git a/app/Http/Requests/Order/StoreOrderRequest.php b/app/Http/Requests/Order/StoreOrderRequest.php
index e4a4a5c4..312acf2c 100644
--- a/app/Http/Requests/Order/StoreOrderRequest.php
+++ b/app/Http/Requests/Order/StoreOrderRequest.php
@@ -57,6 +57,7 @@ public function rules(): array
             'options.manager_name' => 'nullable|string|max:100',
             'options.production_reason' => 'nullable|string|max:500',
             'options.target_stock_qty' => 'nullable|numeric|min:0',
+            'options.reg_date' => 'nullable|date',
 
             // 절곡품 LOT 정보 (STOCK 전용)
             'options.bending_lot' => 'nullable|array',
@@ -70,7 +71,7 @@ public function rules(): array
 
             // 품목 배열
             'items' => 'nullable|array',
-            'items.*.item_id' => 'nullable|integer|exists:items,id',
+            'items.*.item_id' => 'nullable|integer',
             'items.*.item_code' => 'nullable|string|max:50',
             'items.*.item_name' => 'required|string|max:200',
             'items.*.specification' => 'nullable|string|max:500',
diff --git a/app/Http/Requests/Order/UpdateOrderRequest.php b/app/Http/Requests/Order/UpdateOrderRequest.php
index 2a2b17be..5fb611e6 100644
--- a/app/Http/Requests/Order/UpdateOrderRequest.php
+++ b/app/Http/Requests/Order/UpdateOrderRequest.php
@@ -51,6 +51,7 @@ public function rules(): array
             'options.manager_name' => 'nullable|string|max:100',
             'options.production_reason' => 'nullable|string|max:500',
             'options.target_stock_qty' => 'nullable|numeric|min:0',
+            'options.reg_date' => 'nullable|date',
 
             // 절곡품 LOT 정보 (STOCK 전용)
             'options.bending_lot' => 'nullable|array',
@@ -64,7 +65,7 @@ public function rules(): array
 
             // 품목 배열 (전체 교체)
             'items' => 'nullable|array',
-            'items.*.item_id' => 'nullable|integer|exists:items,id',
+            'items.*.item_id' => 'nullable|integer',
             'items.*.item_code' => 'nullable|string|max:50',
             'items.*.item_name' => 'sometimes|required|string|max:200',
             'items.*.specification' => 'nullable|string|max:500',
diff --git a/app/Http/Requests/V1/Process/StoreProcessRequest.php b/app/Http/Requests/V1/Process/StoreProcessRequest.php
index 68eda989..93e173d7 100644
--- a/app/Http/Requests/V1/Process/StoreProcessRequest.php
+++ b/app/Http/Requests/V1/Process/StoreProcessRequest.php
@@ -14,6 +14,7 @@ public function authorize(): bool
     public function rules(): array
     {
         return [
+            'parent_id' => ['nullable', 'integer', 'exists:processes,id'],
             'process_name' => ['required', 'string', 'max:100'],
             'description' => ['nullable', 'string'],
             'process_type' => ['required', 'string', 'in:생산,검사,포장,조립'],
diff --git a/app/Http/Requests/V1/Process/UpdateProcessRequest.php b/app/Http/Requests/V1/Process/UpdateProcessRequest.php
index 36579148..041ae778 100644
--- a/app/Http/Requests/V1/Process/UpdateProcessRequest.php
+++ b/app/Http/Requests/V1/Process/UpdateProcessRequest.php
@@ -13,7 +13,10 @@ public function authorize(): bool
 
     public function rules(): array
     {
+        $processId = $this->route('id');
+
         return [
+            'parent_id' => ['nullable', 'integer', 'exists:processes,id', "not_in:{$processId}"],
             'process_name' => ['sometimes', 'required', 'string', 'max:100'],
             'description' => ['nullable', 'string'],
             'process_type' => ['sometimes', 'required', 'string', 'in:생산,검사,포장,조립'],
diff --git a/app/Http/Requests/V1/Receiving/StoreReceivingRequest.php b/app/Http/Requests/V1/Receiving/StoreReceivingRequest.php
index 8b94a5fc..777c31cf 100644
--- a/app/Http/Requests/V1/Receiving/StoreReceivingRequest.php
+++ b/app/Http/Requests/V1/Receiving/StoreReceivingRequest.php
@@ -21,13 +21,13 @@ public function rules(): array
             'item_name' => ['required', 'string', 'max:200'],
             'specification' => ['nullable', 'string', 'max:200'],
             'supplier' => ['required', 'string', 'max:100'],
-            'order_qty' => ['nullable', 'numeric', 'min:0'],
+            'order_qty' => ['required', 'numeric', 'min:0.01'],
             'order_unit' => ['nullable', 'string', 'max:20'],
             'due_date' => ['nullable', 'date'],
             'receiving_qty' => ['nullable', 'numeric', 'min:0'],
             'receiving_date' => ['nullable', 'date'],
             'lot_no' => ['nullable', 'string', 'max:50'],
-            'status' => ['nullable', 'string', 'in:order_completed,shipping,inspection_pending,receiving_pending'],
+            'status' => ['nullable', 'string', 'in:order_completed,shipping,inspection_pending,receiving_pending,inspection_completed,completed'],
             'remark' => ['nullable', 'string', 'max:1000'],
             'manufacturer' => ['nullable', 'string', 'max:100'],
             'material_no' => ['nullable', 'string', 'max:50'],
diff --git a/app/Http/Resources/Api/V1/BendingItemResource.php b/app/Http/Resources/Api/V1/BendingItemResource.php
index 01552477..1cea112b 100644
--- a/app/Http/Resources/Api/V1/BendingItemResource.php
+++ b/app/Http/Resources/Api/V1/BendingItemResource.php
@@ -77,6 +77,10 @@ private function getImageFileId(): ?int
 
     private function getImageUrl(): ?string
     {
-        return $this->getImageFile()?->presignedUrl();
+        try {
+            return $this->getImageFile()?->presignedUrl();
+        } catch (\Throwable) {
+            return null;
+        }
     }
 }
diff --git a/app/Http/Resources/Api/V1/GuiderailModelResource.php b/app/Http/Resources/Api/V1/GuiderailModelResource.php
index ba94ab04..415fe099 100644
--- a/app/Http/Resources/Api/V1/GuiderailModelResource.php
+++ b/app/Http/Resources/Api/V1/GuiderailModelResource.php
@@ -50,7 +50,7 @@ public function toArray(Request $request): array
             'image_file_id' => $this->getImageFileId(),
             'image_url' => $this->getImageUrl(),
             // 부품 조합
-            'components' => $this->enrichComponentsWithImageUrls($components),
+            'components' => $this->enrichComponents($components),
             'material_summary' => $materialSummary,
             'component_count' => count($components),
             // 메타
@@ -88,23 +88,32 @@ private function getImageUrl(): ?string
         return $this->getImageFile()?->presignedUrl();
     }
 
-    private function enrichComponentsWithImageUrls(array $components): array
+    private function enrichComponents(array $components): array
     {
-        $fileIds = array_filter(array_column($components, 'image_file_id'));
-        if (empty($fileIds)) {
-            return $components;
-        }
+        // sam_item_id → 기초자료 품목코드 매핑
+        $itemIds = array_filter(array_column($components, 'sam_item_id'));
+        $itemCodes = ! empty($itemIds)
+            ? \App\Models\BendingItem::withoutGlobalScopes()->whereIn('id', $itemIds)->pluck('code', 'id')->toArray()
+            : [];
 
-        $files = \App\Models\Commons\File::whereIn('id', $fileIds)
-            ->whereNull('deleted_at')
-            ->get()
-            ->keyBy('id');
+        // image_file_id → presigned URL 매핑
+        $fileIds = array_filter(array_column($components, 'image_file_id'));
+        $files = ! empty($fileIds)
+            ? \App\Models\Commons\File::whereIn('id', $fileIds)->whereNull('deleted_at')->get()->keyBy('id')
+            : collect();
 
         foreach ($components as &$comp) {
+            $samId = $comp['sam_item_id'] ?? null;
+            $comp['item_code'] = $samId ? ($itemCodes[$samId] ?? null) : null;
+
             $fileId = $comp['image_file_id'] ?? null;
-            $comp['image_url'] = $fileId && isset($files[$fileId])
-                ? $files[$fileId]->presignedUrl()
-                : null;
+            try {
+                $comp['image_url'] = $fileId && $files->has($fileId)
+                    ? $files[$fileId]->presignedUrl()
+                    : null;
+            } catch (\Throwable) {
+                $comp['image_url'] = null;
+            }
         }
         unset($comp);
 
@@ -122,6 +131,7 @@ private function calcMaterialSummary(array $components): array
                 $summary[$material] = ($summary[$material] ?? 0) + ($widthSum * $qty);
             }
         }
+
         return $summary;
     }
 }
diff --git a/app/Models/Process.php b/app/Models/Process.php
index 6dc1636f..070c69c0 100644
--- a/app/Models/Process.php
+++ b/app/Models/Process.php
@@ -21,6 +21,7 @@ class Process extends Model
 
     protected $fillable = [
         'tenant_id',
+        'parent_id',
         'process_code',
         'process_name',
         'description',
@@ -47,6 +48,24 @@ class Process extends Model
         'required_workers' => 'integer',
     ];
 
+    /** 부모 공정 */
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'parent_id');
+    }
+
+    /** 자식 공정 */
+    public function children(): HasMany
+    {
+        return $this->hasMany(self::class, 'parent_id')->orderBy('process_code');
+    }
+
+    /** 루트 공정만 조회 */
+    public function scopeRoots($query)
+    {
+        return $query->whereNull('parent_id');
+    }
+
     /**
      * 중간검사 양식
      */
diff --git a/app/Models/Tenants/Receiving.php b/app/Models/Tenants/Receiving.php
index 68cedf5b..b58984c0 100644
--- a/app/Models/Tenants/Receiving.php
+++ b/app/Models/Tenants/Receiving.php
@@ -83,6 +83,7 @@ class Receiving extends Model
         'shipping' => '배송중',
         'inspection_pending' => '검사대기',
         'receiving_pending' => '입고대기',
+        'inspection_completed' => '검사완료',
         'completed' => '입고완료',
     ];
 
@@ -191,7 +192,7 @@ public function canEdit(): bool
      */
     public function canDelete(): bool
     {
-        return $this->status !== 'completed';
+        return ! in_array($this->status, ['completed', 'inspection_completed']);
     }
 
     /**
diff --git a/app/Models/Tenants/Stock.php b/app/Models/Tenants/Stock.php
index 0b734079..8ff2720c 100644
--- a/app/Models/Tenants/Stock.php
+++ b/app/Models/Tenants/Stock.php
@@ -23,6 +23,7 @@ class Stock extends Model
         'unit',
         'stock_qty',
         'safety_stock',
+        'max_stock',
         'reserved_qty',
         'available_qty',
         'lot_count',
@@ -39,6 +40,7 @@ class Stock extends Model
     protected $casts = [
         'stock_qty' => 'decimal:3',
         'safety_stock' => 'decimal:3',
+        'max_stock' => 'decimal:3',
         'reserved_qty' => 'decimal:3',
         'available_qty' => 'decimal:3',
         'lot_count' => 'integer',
@@ -65,6 +67,7 @@ class Stock extends Model
         'normal' => '정상',
         'low' => '부족',
         'out' => '없음',
+        'over' => '초과',
     ];
 
     /**
@@ -140,6 +143,10 @@ public function calculateStatus(): string
             return 'low';
         }
 
+        if ($this->max_stock > 0 && $this->stock_qty > $this->max_stock) {
+            return 'over';
+        }
+
         return 'normal';
     }
 
diff --git a/app/Services/BendingCodeService.php b/app/Services/BendingCodeService.php
index da8f7d4f..d9ca7978 100644
--- a/app/Services/BendingCodeService.php
+++ b/app/Services/BendingCodeService.php
@@ -3,7 +3,6 @@
 namespace App\Services;
 
 use App\Models\BendingItem;
-use App\Models\Orders\Order;
 
 class BendingCodeService extends Service
 {
@@ -128,9 +127,9 @@ public function getCodeMap(): array
     }
 
     /**
-     * 드롭다운 선택 조합 → bending_items 품목 매핑 조회
+     * 드롭다운 선택 조합 → 품목(items) 매핑 조회
      *
-     * legacy_code 패턴: BD-{prod}{spec}-{length} (예: BD-CP-30)
+     * 품목코드 패턴: BD-{prod}{spec}-{length} (예: BD-RC-24)
      */
     public function resolveItem(string $prodCode, string $specCode, string $lengthCode): ?array
     {
@@ -202,4 +201,87 @@ public static function getMaterial(string $prodCode, string $specCode): ?string
     {
         return self::MATERIAL_MAP["{$prodCode}:{$specCode}"] ?? null;
     }
+
+    /**
+     * 품목 코드(BD-XX-YY) → 매칭되는 bending_item의 전개 폭(width_sum) 반환
+     *
+     * 매칭 로직:
+     *   BD-{prod}{spec}-{length} 파싱
+     *   → PRODUCTS/SPECS에서 item_bending, item_sep, 키워드 추출
+     *   → bending_items 검색 → bending_data 마지막 sum = 전개 폭
+     */
+    public function getBendingWidthByItemCode(string $itemCode): ?float
+    {
+        if (! preg_match('/^BD-([A-Z])([A-Z])-(\d+)$/', $itemCode, $m)) {
+            return null;
+        }
+        $prodCode = $m[1];
+        $specCode = $m[2];
+
+        // 제품명 → item_bending 추출 (가이드레일(벽면형) → 가이드레일)
+        $productName = null;
+        foreach (self::PRODUCTS as $p) {
+            if ($p['code'] === $prodCode) {
+                $productName = $p['name'];
+                break;
+            }
+        }
+        if (! $productName) {
+            return null;
+        }
+
+        // 종류명 추출
+        $specName = null;
+        foreach (self::SPECS as $s) {
+            if ($s['code'] === $specCode && in_array($prodCode, $s['products'])) {
+                $specName = $s['name'];
+                break;
+            }
+        }
+        if (! $specName) {
+            return null;
+        }
+
+        // item_bending: 괄호 제거 (가이드레일(벽면형) → 가이드레일)
+        $itemBending = preg_replace('/\(.*\)/', '', $productName);
+
+        // item_sep 판단: 종류명 또는 제품명에 '철재' → 철재, 아니면 스크린
+        $itemSep = (str_contains($specName, '철재') || str_contains($productName, '철재'))
+            ? '철재' : '스크린';
+
+        // bending_items 검색
+        $query = \App\Models\BendingItem::query()
+            ->where('tenant_id', $this->tenantId())
+            ->where('item_bending', $itemBending)
+            ->where('item_sep', $itemSep)
+            ->whereNotNull('bending_data');
+
+        // 가이드레일: 벽면형/측면형 구분 (item_name 키워드 매칭)
+        if (str_contains($productName, '벽면형')) {
+            $query->where('item_name', 'LIKE', '%벽면형%');
+        } elseif (str_contains($productName, '측면형')) {
+            $query->where('item_name', 'LIKE', '%측면형%');
+        }
+
+        // 종류 키워드 매칭 (본체, C형, D형, 전면, 점검구, 린텔 등)
+        $specKeyword = preg_replace('/\(.*\)/', '', $specName); // 본체(철재) → 본체
+        $query->where('item_name', 'LIKE', "%{$specKeyword}%");
+
+        // 최신 코드 우선
+        $bendingItem = $query->orderByDesc('code')->first();
+
+        if (! $bendingItem) {
+            return null;
+        }
+
+        // bending_data 마지막 항목의 sum = 전개 폭
+        $data = $bendingItem->bending_data;
+        if (empty($data)) {
+            return null;
+        }
+
+        $last = end($data);
+
+        return isset($last['sum']) ? (float) $last['sum'] : null;
+    }
 }
diff --git a/app/Services/BendingItemService.php b/app/Services/BendingItemService.php
index 5d9e8228..157187f6 100644
--- a/app/Services/BendingItemService.php
+++ b/app/Services/BendingItemService.php
@@ -46,9 +46,16 @@ public function find(int $id): BendingItem
 
     public function create(array $data): BendingItem
     {
+        $code = $data['code'] ?? '';
+
+        // BD-XX 접두사 → 자동 채번 (BD-XX 또는 BD-XX.nn)
+        if (preg_match('/^BD-([A-Z]{2})$/i', $code, $m)) {
+            $code = $this->generateCode($m[1]);
+        }
+
         return BendingItem::create([
             'tenant_id' => $this->tenantId(),
-            'code' => $data['code'],
+            'code' => $code,
             'lot_no' => $data['lot_no'] ?? null,
             'legacy_code' => $data['legacy_code'] ?? null,
             'legacy_bending_id' => $data['legacy_bending_id'] ?? null,
@@ -78,8 +85,27 @@ public function update(int $id, array $data): BendingItem
     {
         $item = BendingItem::findOrFail($id);
 
+        // code 변경 시 중복 검사
+        if (array_key_exists('code', $data) && $data['code'] && $data['code'] !== $item->code) {
+            $exists = BendingItem::withoutGlobalScopes()
+                ->where('code', $data['code'])
+                ->where('id', '!=', $id)
+                ->exists();
+            if ($exists) {
+                throw new \Illuminate\Validation\ValidationException(
+                    validator([], []),
+                    response()->json([
+                        'success' => false,
+                        'message' => "코드 '{$data['code']}'가 이미 존재합니다.",
+                        'errors' => ['code' => ["코드 '{$data['code']}'는 이미 사용 중입니다. 다른 코드를 입력하세요."]],
+                    ], 422)
+                );
+            }
+            $item->code = $data['code'];
+        }
+
         $columns = [
-            'code', 'lot_no', 'item_name', 'item_sep', 'item_bending',
+            'lot_no', 'item_name', 'item_sep', 'item_bending',
             'material', 'item_spec', 'model_name', 'model_UA',
             'rail_width', 'exit_direction', 'box_width', 'box_height',
             'front_bottom', 'inspection_door', 'length_code', 'length_mm',
@@ -111,6 +137,95 @@ public function update(int $id, array $data): BendingItem
         return $item;
     }
 
+    /**
+     * 기초자료 복사 — 같은 분류코드의 다음 번호 자동 채번 + 이미지 복사
+     */
+    public function duplicate(int $id): BendingItem
+    {
+        $source = BendingItem::findOrFail($id);
+
+        // 분류코드 추출 (BD-CL.001 → CL)
+        preg_match('/^BD-([A-Z]{2})/', $source->code, $m);
+        $prefix = $m[1] ?? 'XX';
+        $newCode = $this->generateCode($prefix);
+
+        $newItem = BendingItem::create([
+            'tenant_id' => $source->tenant_id,
+            'code' => $newCode,
+            'item_name' => $source->item_name,
+            'item_sep' => $source->item_sep,
+            'item_bending' => $source->item_bending,
+            'material' => $source->material,
+            'item_spec' => $source->item_spec,
+            'model_name' => $source->model_name,
+            'model_UA' => $source->model_UA,
+            'rail_width' => $source->rail_width,
+            'exit_direction' => $source->exit_direction,
+            'box_width' => $source->box_width,
+            'box_height' => $source->box_height,
+            'front_bottom' => $source->front_bottom,
+            'inspection_door' => $source->inspection_door,
+            'length_code' => $source->length_code,
+            'length_mm' => $source->length_mm,
+            'bending_data' => $source->bending_data,
+            'options' => $source->options,
+            'is_active' => true,
+            'created_by' => $this->apiUserId(),
+        ]);
+
+        // 이미지 파일 복사 (R2)
+        $this->duplicateFiles($source, $newItem);
+
+        return $newItem;
+    }
+
+    /**
+     * 원본 아이템의 파일을 R2에서 복사하여 새 아이템에 연결
+     */
+    private function duplicateFiles(BendingItem $source, BendingItem $target): void
+    {
+        $files = \App\Models\Commons\File::where('document_id', $source->id)
+            ->where('document_type', 'bending_item')
+            ->whereNull('deleted_at')
+            ->get();
+
+        foreach ($files as $file) {
+            try {
+                $disk = \Illuminate\Support\Facades\Storage::disk('r2');
+                $newStoredName = bin2hex(random_bytes(8)).'.'.pathinfo($file->stored_name, PATHINFO_EXTENSION);
+                $dir = dirname($file->file_path);
+                $newPath = $dir.'/'.$newStoredName;
+
+                // R2 내 파일 복사
+                if ($file->file_path && $disk->exists($file->file_path)) {
+                    $disk->copy($file->file_path, $newPath);
+                }
+
+                // 새 File 레코드 생성
+                \App\Models\Commons\File::create([
+                    'tenant_id' => $target->tenant_id,
+                    'document_id' => $target->id,
+                    'document_type' => 'bending_item',
+                    'field_key' => $file->field_key,
+                    'file_path' => $newPath,
+                    'stored_name' => $newStoredName,
+                    'original_name' => $file->original_name,
+                    'display_name' => $file->display_name,
+                    'file_size' => $file->file_size,
+                    'mime_type' => $file->mime_type,
+                    'file_type' => $file->file_type,
+                    'created_by' => $this->apiUserId(),
+                ]);
+            } catch (\Throwable $e) {
+                \Illuminate\Support\Facades\Log::warning('BendingItem file duplicate failed', [
+                    'source_id' => $source->id,
+                    'file_id' => $file->id,
+                    'error' => $e->getMessage(),
+                ]);
+            }
+        }
+    }
+
     public function delete(int $id): bool
     {
         $item = BendingItem::findOrFail($id);
@@ -136,4 +251,56 @@ private function buildOptions(array $data): ?array
         'search_keyword', 'registration_date', 'author', 'memo',
         'parent_num', 'modified_by',
     ];
+
+    /**
+     * 기초자료 코드 자동 채번
+     *
+     * BD-XX.001 : 대표(표준) 형상 — 재공품 코드(BD-XX-길이)의 기준
+     * BD-XX.002~: 표준 대비 변형 (주문 수정 형상, 최대 999종)
+     *
+     * 항상 .001부터 시작, .001 = 대표 번호
+     */
+    private function generateCode(string $prefix): string
+    {
+        $prefix = strtoupper($prefix);
+
+        $lastCode = BendingItem::withoutGlobalScopes()
+            ->where('code', 'like', "BD-{$prefix}.%")
+            ->orderByRaw('CAST(SUBSTRING(code, ?) AS UNSIGNED) DESC', [strlen("BD-{$prefix}.") + 1])
+            ->value('code');
+
+        $nextSeq = 1;
+        if ($lastCode && preg_match('/\.(\d+)$/', $lastCode, $m)) {
+            $nextSeq = (int) $m[1] + 1;
+        }
+
+        return "BD-{$prefix}.".str_pad($nextSeq, 3, '0', STR_PAD_LEFT);
+    }
+
+    /**
+     * 사용 가능한 분류코드 접두사 목록
+     */
+    public function prefixes(): array
+    {
+        return BendingItem::withoutGlobalScopes()
+            ->where('code', 'like', 'BD-%')
+            ->selectRaw("CASE WHEN code LIKE 'BD-__.%' THEN SUBSTRING(code, 4, 2) ELSE SUBSTRING(code, 4, 2) END as prefix, COUNT(*) as cnt")
+            ->groupBy('prefix')
+            ->orderBy('prefix')
+            ->pluck('cnt', 'prefix')
+            ->toArray();
+    }
+
+    /** 분류코드 접두사 정의 */
+    public const PREFIX_LABELS = [
+        'RS' => '가이드레일 SUS마감재', 'RM' => '가이드레일 본체/보강', 'RC' => '가이드레일 C형',
+        'RD' => '가이드레일 D형', 'RE' => '가이드레일 측면마감', 'RT' => '가이드레일 절단판',
+        'RH' => '가이드레일 뒷보강', 'RN' => '가이드레일 비인정',
+        'CP' => '케이스 밑면판/점검구', 'CF' => '케이스 전면판', 'CB' => '케이스 후면코너/후면부',
+        'CL' => '케이스 린텔', 'CX' => '케이스 상부덮개',
+        'BS' => '하단마감재 SUS', 'BE' => '하단마감재 EGI', 'BH' => '하단마감재 보강평철',
+        'TS' => '철재 하단마감재 SUS', 'TE' => '철재 하단마감재 EGI',
+        'XE' => '마구리', 'LE' => 'L-BAR',
+        'ZP' => '특수 밑면/점검구', 'ZF' => '특수 전면판', 'ZB' => '특수 후면',
+    ];
 }
diff --git a/app/Services/DocumentService.php b/app/Services/DocumentService.php
index d70b47f2..7d64ee1e 100644
--- a/app/Services/DocumentService.php
+++ b/app/Services/DocumentService.php
@@ -977,7 +977,7 @@ public function formatTemplateForReact(DocumentTemplate $template): array
                 'is_required' => $field->is_required,
                 'sort_order' => $field->sort_order,
             ])->toArray(),
-            'sections' => $template->sections->map(function ($section) {
+            'sections' => $template->sections->map(function ($section) use ($methodCodes) {
                 $imageUrl = null;
                 if ($section->file_id) {
                     $file = \App\Models\Commons\File::withoutGlobalScopes()->find($section->file_id);
@@ -987,37 +987,37 @@ public function formatTemplateForReact(DocumentTemplate $template): array
                 }
 
                 return [
-                'id' => $section->id,
-                'name' => $section->title,
-                'title' => $section->title,
-                'image_path' => $section->image_path,
-                'file_id' => $section->file_id,
-                'image_url' => $imageUrl,
-                'sort_order' => $section->sort_order,
-                'items' => $section->items->map(function ($item) use ($methodCodes) {
-                    // method 코드를 한글 이름으로 변환
-                    $methodName = $item->method ? ($methodCodes[$item->method] ?? $item->method) : null;
+                    'id' => $section->id,
+                    'name' => $section->title,
+                    'title' => $section->title,
+                    'image_path' => $section->image_path,
+                    'file_id' => $section->file_id,
+                    'image_url' => $imageUrl,
+                    'sort_order' => $section->sort_order,
+                    'items' => $section->items->map(function ($item) use ($methodCodes) {
+                        // method 코드를 한글 이름으로 변환
+                        $methodName = $item->method ? ($methodCodes[$item->method] ?? $item->method) : null;
 
-                    return [
-                        'id' => $item->id,
-                        'field_values' => $item->field_values ?? [],
-                        // 레거시 필드도 포함 (하위 호환)
-                        'category' => $item->category,
-                        'item' => $item->item,
-                        'standard' => $item->standard,
-                        'standard_criteria' => $item->standard_criteria,
-                        'tolerance' => $item->tolerance,
-                        'method' => $item->method,
-                        'method_name' => $methodName,  // 검사방식 한글 이름 추가
-                        'measurement_type' => $item->measurement_type,
-                        'frequency' => $item->frequency,
-                        'frequency_n' => $item->frequency_n,
-                        'frequency_c' => $item->frequency_c,
-                        'regulation' => $item->regulation,
-                        'sort_order' => $item->sort_order,
-                    ];
-                })->toArray(),
-            ];
+                        return [
+                            'id' => $item->id,
+                            'field_values' => $item->field_values ?? [],
+                            // 레거시 필드도 포함 (하위 호환)
+                            'category' => $item->category,
+                            'item' => $item->item,
+                            'standard' => $item->standard,
+                            'standard_criteria' => $item->standard_criteria,
+                            'tolerance' => $item->tolerance,
+                            'method' => $item->method,
+                            'method_name' => $methodName,  // 검사방식 한글 이름 추가
+                            'measurement_type' => $item->measurement_type,
+                            'frequency' => $item->frequency,
+                            'frequency_n' => $item->frequency_n,
+                            'frequency_c' => $item->frequency_c,
+                            'regulation' => $item->regulation,
+                            'sort_order' => $item->sort_order,
+                        ];
+                    })->toArray(),
+                ];
             })->toArray(),
             'columns' => $template->columns->map(fn ($col) => [
                 'id' => $col->id,
diff --git a/app/Services/InspectionService.php b/app/Services/InspectionService.php
index 3f142c77..45c9e2af 100644
--- a/app/Services/InspectionService.php
+++ b/app/Services/InspectionService.php
@@ -218,6 +218,10 @@ public function update(int $id, array $data)
             throw new NotFoundHttpException(__('error.not_found'));
         }
 
+        if ($inspection->status === Inspection::STATUS_COMPLETED) {
+            throw new BadRequestHttpException(__('error.inspection.cannot_modify_completed'));
+        }
+
         $beforeData = $inspection->toArray();
 
         return DB::transaction(function () use ($inspection, $data, $userId, $beforeData) {
diff --git a/app/Services/ProcessService.php b/app/Services/ProcessService.php
index 7eb64995..77ae1e9d 100644
--- a/app/Services/ProcessService.php
+++ b/app/Services/ProcessService.php
@@ -23,9 +23,11 @@ public function index(array $params)
         $status = $params['status'] ?? null;
         $processType = $params['process_type'] ?? null;
 
+        $eagerLoad = ['classificationRules', 'processItems.item:id,code,name', 'steps', 'documentTemplate:id,name,category', 'workLogTemplateRelation:id,name,category', 'parent:id,process_code,process_name', 'children:id,parent_id,process_code,process_name,is_active'];
+
         $query = Process::query()
             ->where('tenant_id', $tenantId)
-            ->with(['classificationRules', 'processItems.item:id,code,name', 'steps', 'documentTemplate:id,name,category', 'workLogTemplateRelation:id,name,category']);
+            ->with($eagerLoad);
 
         // 검색어
         if ($q !== '') {
@@ -62,7 +64,7 @@ public function show(int $id)
         $tenantId = $this->tenantId();
 
         $process = Process::where('tenant_id', $tenantId)
-            ->with(['classificationRules', 'processItems.item:id,code,name', 'steps', 'documentTemplate:id,name,category', 'workLogTemplateRelation:id,name,category'])
+            ->with(['classificationRules', 'processItems.item:id,code,name', 'steps', 'documentTemplate:id,name,category', 'workLogTemplateRelation:id,name,category', 'parent:id,process_code,process_name', 'children:id,parent_id,process_code,process_name,is_active'])
             ->find($id);
 
         if (! $process) {
@@ -81,6 +83,16 @@ public function store(array $data)
         $userId = $this->apiUserId();
 
         return DB::transaction(function () use ($data, $tenantId, $userId) {
+            // 2depth 제한: 부모가 이미 자식이면 거부
+            if (! empty($data['parent_id'])) {
+                $parent = Process::find($data['parent_id']);
+                if ($parent && $parent->parent_id) {
+                    throw \Illuminate\Validation\ValidationException::withMessages([
+                        'parent_id' => ['2단계까지만 허용됩니다. 선택한 부모 공정이 이미 하위 공정입니다.'],
+                    ]);
+                }
+            }
+
             // 공정코드 자동 생성
             $data['process_code'] = $this->generateProcessCode($tenantId);
             $data['tenant_id'] = $tenantId;
@@ -122,6 +134,22 @@ public function update(int $id, array $data)
         }
 
         return DB::transaction(function () use ($process, $data, $userId) {
+            // parent_id 변경 시 2depth + 순환 참조 검증
+            if (array_key_exists('parent_id', $data) && $data['parent_id']) {
+                $parent = Process::find($data['parent_id']);
+                if ($parent && $parent->parent_id) {
+                    throw \Illuminate\Validation\ValidationException::withMessages([
+                        'parent_id' => ['2단계까지만 허용됩니다.'],
+                    ]);
+                }
+                // 자기 자식을 부모로 설정하는 것 방지
+                if ($process->children()->where('id', $data['parent_id'])->exists()) {
+                    throw \Illuminate\Validation\ValidationException::withMessages([
+                        'parent_id' => ['하위 공정을 부모로 설정할 수 없습니다.'],
+                    ]);
+                }
+            }
+
             $data['updated_by'] = $userId;
 
             // work_steps가 문자열이면 배열로 변환
@@ -267,6 +295,93 @@ private function syncProcessItems(Process $process, array $itemIds): void
         }
     }
 
+    /**
+     * 공정 복제
+     */
+    public function duplicate(int $id)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $source = Process::where('tenant_id', $tenantId)
+            ->with(['classificationRules', 'processItems', 'steps'])
+            ->find($id);
+
+        if (! $source) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return DB::transaction(function () use ($source, $tenantId, $userId) {
+            $newCode = $this->generateProcessCode($tenantId);
+
+            $newProcess = Process::create([
+                'tenant_id' => $tenantId,
+                'parent_id' => $source->parent_id,
+                'process_code' => $newCode,
+                'process_name' => $source->process_name.' (복사)',
+                'description' => $source->description,
+                'process_type' => $source->process_type,
+                'department' => $source->department,
+                'manager' => $source->manager,
+                'process_category' => $source->process_category,
+                'use_production_date' => $source->use_production_date,
+                'work_log_template' => $source->work_log_template,
+                'document_template_id' => $source->document_template_id,
+                'work_log_template_id' => $source->work_log_template_id,
+                'options' => $source->options,
+                'required_workers' => $source->required_workers,
+                'equipment_info' => $source->equipment_info,
+                'work_steps' => $source->work_steps,
+                'note' => $source->note,
+                'is_active' => $source->is_active,
+                'created_by' => $userId,
+            ]);
+
+            // 분류 규칙 복제
+            foreach ($source->classificationRules as $rule) {
+                ProcessClassificationRule::create([
+                    'process_id' => $newProcess->id,
+                    'registration_type' => $rule->registration_type,
+                    'rule_type' => $rule->rule_type,
+                    'matching_type' => $rule->matching_type,
+                    'condition_value' => $rule->condition_value,
+                    'priority' => $rule->priority,
+                    'description' => $rule->description,
+                    'is_active' => $rule->is_active,
+                ]);
+            }
+
+            // 품목 연결 복제
+            foreach ($source->processItems as $item) {
+                ProcessItem::create([
+                    'process_id' => $newProcess->id,
+                    'item_id' => $item->item_id,
+                    'priority' => $item->priority,
+                    'is_active' => $item->is_active,
+                ]);
+            }
+
+            // 공정 단계 복제
+            foreach ($source->steps as $step) {
+                $newProcess->steps()->create([
+                    'step_code' => $step->step_code,
+                    'step_name' => $step->step_name,
+                    'is_required' => $step->is_required,
+                    'needs_approval' => $step->needs_approval,
+                    'needs_inspection' => $step->needs_inspection,
+                    'is_active' => $step->is_active,
+                    'sort_order' => $step->sort_order,
+                    'connection_type' => $step->connection_type,
+                    'connection_target' => $step->connection_target,
+                    'completion_type' => $step->completion_type,
+                    'options' => $step->options,
+                ]);
+            }
+
+            return $newProcess->load(['classificationRules', 'processItems.item:id,code,name', 'steps', 'documentTemplate:id,name,category', 'workLogTemplateRelation:id,name,category']);
+        });
+    }
+
     /**
      * 드롭다운용 공정 옵션 목록
      */
diff --git a/app/Services/QualityDocumentService.php b/app/Services/QualityDocumentService.php
index 253ae335..10ecc02e 100644
--- a/app/Services/QualityDocumentService.php
+++ b/app/Services/QualityDocumentService.php
@@ -100,7 +100,7 @@ public function stats(array $params = []): array
             ->toArray();
 
         return [
-            'reception_count' => $counts[QualityDocument::STATUS_RECEIVED] ?? 0,
+            'reception_count' => ($counts[QualityDocument::STATUS_RECEIVED] ?? 0) + ($counts['draft'] ?? 0),
             'in_progress_count' => $counts[QualityDocument::STATUS_IN_PROGRESS] ?? 0,
             'completed_count' => $counts[QualityDocument::STATUS_COMPLETED] ?? 0,
         ];
diff --git a/app/Services/ReceivingService.php b/app/Services/ReceivingService.php
index 8571051a..ffb04329 100644
--- a/app/Services/ReceivingService.php
+++ b/app/Services/ReceivingService.php
@@ -140,6 +140,10 @@ public function stats(): array
             ->where('status', 'inspection_pending')
             ->count();
 
+        $inspectionCompletedCount = Receiving::where('tenant_id', $tenantId)
+            ->where('status', 'inspection_completed')
+            ->count();
+
         $todayReceivingCount = Receiving::where('tenant_id', $tenantId)
             ->where('status', 'completed')
             ->whereDate('receiving_date', $today)
@@ -149,6 +153,7 @@ public function stats(): array
             'receiving_pending_count' => $receivingPendingCount,
             'shipping_count' => $shippingCount,
             'inspection_pending_count' => $inspectionPendingCount,
+            'inspection_completed_count' => $inspectionCompletedCount,
             'today_receiving_count' => $todayReceivingCount,
         ];
     }
@@ -277,17 +282,18 @@ public function update(int $id, array $data): Receiving
             // 상태 변경 감지
             $oldStatus = $receiving->status;
             $newStatus = $data['status'] ?? $oldStatus;
-            $wasCompleted = $oldStatus === 'completed';
+            $stockStatuses = ['completed', 'inspection_completed'];
+            $wasCompleted = in_array($oldStatus, $stockStatuses);
 
-            // 입고완료(completed) 상태로 신규 전환
-            $isCompletingReceiving = $newStatus === 'completed' && ! $wasCompleted;
+            // 재고 반영 대상 상태(입고완료/검사완료)로 신규 전환
+            $isCompletingReceiving = in_array($newStatus, $stockStatuses) && ! $wasCompleted;
 
             if ($isCompletingReceiving) {
                 // 입고수량 설정 (없으면 발주수량 사용)
                 $receiving->receiving_qty = $data['receiving_qty'] ?? $receiving->order_qty;
                 $receiving->receiving_date = $data['receiving_date'] ?? now()->toDateString();
                 $receiving->lot_no = $data['lot_no'] ?? $this->generateLotNo();
-                $receiving->status = 'completed';
+                $receiving->status = $newStatus;
             } else {
                 // 일반 필드 업데이트
                 if (isset($data['receiving_qty'])) {
@@ -326,7 +332,7 @@ public function update(int $id, array $data): Receiving
                     // 기존 완료 상태에서 수정: 차이만큼 조정
                     // 완료→완료(수량변경): newQty = 변경된 수량
                     // 완료→대기: newQty = 0 (전량 차감)
-                    $newQty = $newStatus === 'completed'
+                    $newQty = in_array($newStatus, $stockStatuses)
                         ? (float) $receiving->receiving_qty
                         : 0;
                     $stockService->adjustFromReceiving($receiving, $newQty);
@@ -350,8 +356,21 @@ public function destroy(int $id): bool
                 ->where('tenant_id', $tenantId)
                 ->findOrFail($id);
 
+            // 관리자/슈퍼관리자/개발자는 모든 상태 삭제 가능, 일반 사용자는 완료 상태 삭제 불가
             if (! $receiving->canDelete()) {
-                throw new \Exception(__('error.receiving.cannot_delete'));
+                $user = \App\Models\Members\User::find($userId);
+                app(\Spatie\Permission\PermissionRegistrar::class)->setPermissionsTeamId($tenantId);
+                $isAdmin = $user && $user->hasRole(['admin', 'super_admin', '개발자']);
+                if (! $isAdmin) {
+                    throw new \Exception(__('error.receiving.cannot_delete'));
+                }
+            }
+
+            // 완료/검사완료 상태 삭제 시 재고 차감
+            $stockStatuses = ['completed', 'inspection_completed'];
+            if (in_array($receiving->status, $stockStatuses) && $receiving->item_id) {
+                $stockService = app(StockService::class);
+                $stockService->adjustFromReceiving($receiving, 0);
             }
 
             $receiving->deleted_by = $userId;
diff --git a/app/Services/StockService.php b/app/Services/StockService.php
index 65820ed6..d3ff99e6 100644
--- a/app/Services/StockService.php
+++ b/app/Services/StockService.php
@@ -191,6 +191,36 @@ public function show(int $id): Item
             ->findOrFail($id);
     }
 
+    /**
+     * 재고 수정 (안전재고, 최대재고, 사용상태)
+     */
+    public function updateStock(int $id, array $data): Item
+    {
+        $tenantId = $this->tenantId();
+
+        $item = Item::where('tenant_id', $tenantId)->findOrFail($id);
+        $stock = $item->stock;
+
+        if ($stock) {
+            if (isset($data['safety_stock'])) {
+                $stock->safety_stock = $data['safety_stock'];
+            }
+            if (isset($data['max_stock'])) {
+                $stock->max_stock = $data['max_stock'];
+            }
+            $stock->status = $stock->calculateStatus();
+            $stock->updated_by = $this->apiUserId();
+            $stock->save();
+        }
+
+        if (isset($data['is_active'])) {
+            $item->is_active = $data['is_active'];
+            $item->save();
+        }
+
+        return $item->load(['stock.lots' => fn ($q) => $q->orderBy('fifo_order')]);
+    }
+
     /**
      * 재고 조정 이력 조회
      */
diff --git a/app/Services/WorkOrderService.php b/app/Services/WorkOrderService.php
index 5e08398d..99d3b65d 100644
--- a/app/Services/WorkOrderService.php
+++ b/app/Services/WorkOrderService.php
@@ -17,6 +17,7 @@
 use App\Models\Tenants\StockTransaction;
 use App\Services\Audit\AuditLogger;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Storage;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
@@ -61,6 +62,7 @@ public function index(array $params)
                 'salesOrder.client:id,name',
                 'process:id,process_name,process_code,department,options',
                 'items:id,work_order_id,item_id,item_name,specification,quantity,unit,status,options,sort_order,source_order_item_id',
+                'items.item:id,code',
                 'items.sourceOrderItem:id,order_node_id,floor_code,symbol_code',
                 'items.sourceOrderItem.node:id,name,code',
                 'items.materialInputs:id,work_order_id,work_order_item_id,stock_lot_id,item_id,qty,input_by,input_at',
@@ -122,14 +124,21 @@ public function index(array $params)
                         ->orWhereHas('assignees', fn ($aq) => $aq->where('user_id', $userId));
                 });
             } else {
-                // 2차: 사용자 소속 부서의 작업지시 필터
+                // 2차: 사용자 소속 부서 + 상위 부서의 작업지시 필터
                 $departmentIds = DB::table('department_user')
                     ->where('user_id', $userId)
                     ->where('tenant_id', $tenantId)
                     ->pluck('department_id');
 
                 if ($departmentIds->isNotEmpty()) {
-                    $query->whereIn('team_id', $departmentIds);
+                    // 소속 부서의 상위 부서도 포함 (부서 계층 지원)
+                    $parentIds = DB::table('departments')
+                        ->whereIn('id', $departmentIds)
+                        ->whereNotNull('parent_id')
+                        ->pluck('parent_id');
+
+                    $allDeptIds = $departmentIds->merge($parentIds)->unique();
+                    $query->whereIn('team_id', $allDeptIds);
                 }
                 // 3차: 부서도 없으면 필터 없이 전체 노출
             }
@@ -150,7 +159,37 @@ public function index(array $params)
 
         $query->orderByDesc('created_at');
 
-        return $query->paginate($size, ['*'], 'page', $page);
+        $result = $query->paginate($size, ['*'], 'page', $page);
+
+        // 작업자 화면: BENDING 카테고리 품목에 전개도 폭(bending_width) 추가
+        if ($workerScreen) {
+            $this->appendBendingWidths($result);
+        }
+
+        return $result;
+    }
+
+    /**
+     * BENDING 카테고리 품목에 전개도 폭 추가
+     */
+    private function appendBendingWidths($paginator): void
+    {
+        $bendingService = app(BendingCodeService::class);
+
+        foreach ($paginator->items() as $workOrder) {
+            foreach ($workOrder->items as $item) {
+                $itemCode = $item->item?->code;
+                if (! $itemCode || ! str_starts_with($itemCode, 'BD-')) {
+                    continue;
+                }
+                $width = $bendingService->getBendingWidthByItemCode($itemCode);
+                if ($width !== null) {
+                    $options = $item->options ?? [];
+                    $options['bending_width'] = $width;
+                    $item->setAttribute('options', $options);
+                }
+            }
+        }
     }
 
     /**
@@ -214,6 +253,7 @@ public function show(int $id)
                 'salesOrder.writer:id,name',
                 'process:id,process_name,process_code,work_steps,department,options',
                 'process.steps' => fn ($q) => $q->where('is_active', true)->orderBy('sort_order'),
+                'items.item:id,code',
                 'items.sourceOrderItem:id,order_node_id,floor_code,symbol_code',
                 'items.sourceOrderItem.node:id,name,code',
                 'items.materialInputs:id,work_order_id,work_order_item_id,stock_lot_id,item_id,qty,input_by,input_at',
@@ -3445,7 +3485,7 @@ public function getWorkLog(int $workOrderId): array
                     'comment' => $a->comment,
                     'acted_at' => $a->acted_at,
                 ])->toArray(),
-                'data' => $document->data->map(fn ($d) => [
+                'data' => ($document->data ?? collect())->map(fn ($d) => [
                     'field_key' => $d->field_key,
                     'field_value' => $d->field_value,
                     'section_id' => $d->section_id,
@@ -3456,9 +3496,41 @@ public function getWorkLog(int $workOrderId): array
             'auto_values' => $this->buildWorkLogAutoValues($workOrder),
             'work_order_info' => $this->buildWorkOrderInfo($workOrder),
             'work_stats' => $this->calculateWorkStats($workOrder),
+            'bending_images' => $this->buildBendingImageUrls(),
         ];
     }
 
+    /**
+     * 절곡 정적 이미지 R2 presigned URL 맵 생성
+     */
+    private function buildBendingImageUrls(): array
+    {
+        $images = [];
+        $paths = [
+            'guiderail_KSS01_wall_120x70', 'guiderail_KSS01_side_120x120',
+            'guiderail_KSS02_wall_120x70', 'guiderail_KSS02_side_120x120',
+            'guiderail_KSE01_wall_120x70', 'guiderail_KSE01_side_120x120',
+            'guiderail_KWE01_wall_120x70', 'guiderail_KWE01_side_120x120',
+            'guiderail_KTE01_wall_130x75', 'guiderail_KTE01_side_130x125',
+            'guiderail_KQTS01_wall_130x75', 'guiderail_KQTS01_side_130x125',
+            'bottombar_KSS01', 'bottombar_KSS02', 'bottombar_KSE01',
+            'bottombar_KWE01', 'bottombar_KTE01', 'bottombar_KQTS01',
+            'box_both', 'box_bottom', 'box_rear',
+            'smokeban',
+        ];
+
+        foreach ($paths as $name) {
+            $category = str_contains($name, 'guiderail') ? 'guiderail'
+                : (str_contains($name, 'bottombar') ? 'bottombar'
+                    : (str_contains($name, 'box') ? 'box' : 'part'));
+            $r2Path = "images/bending/{$category}/{$name}.jpg";
+
+            $images[$name] = Storage::disk('r2')->temporaryUrl($r2Path, now()->addMinutes(30));
+        }
+
+        return $images;
+    }
+
     /**
      * 작업일지 생성/수정 (Document 기반)
      *
@@ -3773,13 +3845,59 @@ public function getMaterialsForItem(int $workOrderId, int $itemId): array
             }
         }
 
-        // BOM이 없으면 품목 자체를 자재로 사용
+        // BOM이 없으면 BD 품목의 재질 정보로 원자재 자동 매칭
         if (empty($materialItems) && $woItem->item_id && $woItem->item) {
-            $materialItems[] = [
-                'item' => $woItem->item,
-                'bom_qty' => 1,
-                'required_qty' => $woItem->quantity ?? 1,
-            ];
+            $itemOptions = $woItem->item->options ?? [];
+            $material = $itemOptions['material'] ?? null;
+
+            $matchedRawItems = [];
+            if ($material && preg_match('/^(\w+)\s*(\d+\.?\d*)/i', $material, $matMatch)) {
+                $matType = $matMatch[1];
+                $matThickness = (float) $matMatch[2];
+
+                // 품목명에서 제품 길이 추출 (예: 1750mm)
+                $productLength = 0;
+                if (preg_match('/(\d{3,5})mm/', $woItem->item->name, $lenMatch)) {
+                    $productLength = (int) $lenMatch[1];
+                }
+
+                // 원자재 검색: material_type + thickness 매칭, length >= 제품길이
+                $rawItems = \App\Models\Items\Item::where('tenant_id', $tenantId)
+                    ->where('item_type', 'RM')
+                    ->whereRaw("JSON_UNQUOTE(JSON_EXTRACT(options, '$.attributes.material_type')) = ?", [$matType])
+                    ->whereRaw('CAST(JSON_EXTRACT(options, \'$.attributes.thickness\') AS DECIMAL(10,2)) = ?', [$matThickness])
+                    ->get();
+
+                foreach ($rawItems as $rawItem) {
+                    $rawAttrs = $rawItem->options['attributes'] ?? [];
+                    $rawLength = $rawAttrs['length'] ?? null;
+
+                    // 길이 조건: 원자재 길이 >= 제품 길이 (길이 미정이면 통과)
+                    if ($rawLength !== null && $productLength > 0 && $rawLength < $productLength) {
+                        continue;
+                    }
+
+                    $matchedRawItems[] = $rawItem;
+                }
+            }
+
+            if (! empty($matchedRawItems)) {
+                // 매칭된 원자재를 자재 목록으로 추가
+                foreach ($matchedRawItems as $rawItem) {
+                    $materialItems[] = [
+                        'item' => $rawItem,
+                        'bom_qty' => 1,
+                        'required_qty' => $woItem->quantity ?? 1,
+                    ];
+                }
+            } else {
+                // 매칭 실패 시 기존 동작 유지 (품목 자체를 자재로 표시)
+                $materialItems[] = [
+                    'item' => $woItem->item,
+                    'bom_qty' => 1,
+                    'required_qty' => $woItem->quantity ?? 1,
+                ];
+            }
         }
 
         // 이미 투입된 수량 조회 (item_id별 SUM)
diff --git a/database/migrations/2026_03_20_120000_migrate_daily_work_logs_to_codebridge.php b/database/migrations/2026_03_20_120000_migrate_daily_work_logs_to_codebridge.php
new file mode 100644
index 00000000..067972ad
--- /dev/null
+++ b/database/migrations/2026_03_20_120000_migrate_daily_work_logs_to_codebridge.php
@@ -0,0 +1,84 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * daily_work_logs / daily_work_log_items 데이터를 sam → codebridge DB로 이관.
+ *
+ * 배경:
+ * - 2026_03_19_200000 마이그레이션에서 codebridge에 빈 테이블은 생성했으나
+ *   existingTables에 daily_work_logs가 누락되어 데이터 이관이 빠짐.
+ * - MNG 모델은 이미 $connection = 'codebridge'로 변경되어
+ *   운영서버에서 데이터가 보이지 않는 상태.
+ */
+return new class extends Migration
+{
+    private string $cb = 'codebridge';
+
+    // 복사 순서: 부모 → 자식 (FK 참조 순서)
+    private array $copyOrder = [
+        'daily_work_logs',
+        'daily_work_log_items',
+    ];
+
+    // 삭제 순서: 자식 → 부모 (FK 역순)
+    private array $dropOrder = [
+        'daily_work_log_items',
+        'daily_work_logs',
+    ];
+
+    public function up(): void
+    {
+        $samDb = config('database.connections.mysql.database', 'sam');
+        $cbDb = config('database.connections.codebridge.database', 'codebridge');
+
+        // ─── Phase 1: 데이터 복사 (부모 → 자식 순서) ───
+        foreach ($this->copyOrder as $table) {
+            if (! Schema::hasTable($table)) {
+                continue;
+            }
+
+            $samCount = DB::table($table)->count();
+            if ($samCount === 0) {
+                continue;
+            }
+
+            if (! Schema::connection($this->cb)->hasTable($table)) {
+                throw new \RuntimeException(
+                    "[MIGRATION ABORT] codebridge.{$table} 테이블이 없습니다. "
+                    .'2026_03_19_200000 마이그레이션을 먼저 실행하세요.'
+                );
+            }
+
+            $cbExisting = DB::connection($this->cb)->table($table)->count();
+            if ($cbExisting > 0) {
+                continue;
+            }
+
+            DB::connection($this->cb)->statement(
+                "INSERT INTO `{$cbDb}`.`{$table}` SELECT * FROM `{$samDb}`.`{$table}`"
+            );
+
+            $cbCount = DB::connection($this->cb)->table($table)->count();
+            if ($samCount !== $cbCount) {
+                throw new \RuntimeException(
+                    "[MIGRATION ABORT] 데이터 불일치! {$table}: sam={$samCount}, codebridge={$cbCount}"
+                );
+            }
+        }
+
+        // ─── Phase 2: sam 테이블 삭제 (자식 → 부모 순서) ───
+        DB::statement('SET FOREIGN_KEY_CHECKS=0');
+        foreach ($this->dropOrder as $table) {
+            Schema::dropIfExists($table);
+        }
+        DB::statement('SET FOREIGN_KEY_CHECKS=1');
+    }
+
+    public function down(): void
+    {
+        // 롤백은 수동 처리 — 데이터가 이미 codebridge에 있으므로 자동 롤백 불가
+    }
+};
diff --git a/database/migrations/2026_03_20_162822_add_max_stock_to_stocks_table.php b/database/migrations/2026_03_20_162822_add_max_stock_to_stocks_table.php
new file mode 100644
index 00000000..8ca99d7c
--- /dev/null
+++ b/database/migrations/2026_03_20_162822_add_max_stock_to_stocks_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('stocks', function (Blueprint $table) {
+            $table->decimal('max_stock', 15, 3)->default(0)
+                ->comment('최대 재고 (적정재고 상한)')
+                ->after('safety_stock');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('stocks', function (Blueprint $table) {
+            $table->dropColumn('max_stock');
+        });
+    }
+};
diff --git a/database/migrations/2026_03_21_152057_add_parent_id_to_processes_table.php b/database/migrations/2026_03_21_152057_add_parent_id_to_processes_table.php
new file mode 100644
index 00000000..d45c97f4
--- /dev/null
+++ b/database/migrations/2026_03_21_152057_add_parent_id_to_processes_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('processes', function (Blueprint $table) {
+            $table->unsignedBigInteger('parent_id')
+                ->nullable()
+                ->after('tenant_id')
+                ->comment('부모 공정 ID (NULL이면 루트)');
+
+            $table->foreign('parent_id')
+                ->references('id')
+                ->on('processes')
+                ->onDelete('set null');
+
+            $table->index(['tenant_id', 'parent_id']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('processes', function (Blueprint $table) {
+            $table->dropForeign(['parent_id']);
+            $table->dropIndex(['tenant_id', 'parent_id']);
+            $table->dropColumn('parent_id');
+        });
+    }
+};
diff --git a/lang/ko/error.php b/lang/ko/error.php
index c914ef12..e5ef71c2 100644
--- a/lang/ko/error.php
+++ b/lang/ko/error.php
@@ -456,6 +456,7 @@
     'inspection' => [
         'not_found' => '검사를 찾을 수 없습니다.',
         'cannot_delete_completed' => '완료된 검사는 삭제할 수 없습니다.',
+        'cannot_modify_completed' => '완료된 검사는 수정할 수 없습니다.',
         'already_completed' => '이미 완료된 검사입니다.',
     ],
 
diff --git a/routes/api/v1/inventory.php b/routes/api/v1/inventory.php
index 9dd8e624..e689107c 100644
--- a/routes/api/v1/inventory.php
+++ b/routes/api/v1/inventory.php
@@ -109,6 +109,7 @@
     Route::get('/stats', [StockController::class, 'stats'])->name('v1.stocks.stats');
     Route::get('/stats-by-type', [StockController::class, 'statsByItemType'])->name('v1.stocks.stats-by-type');
     Route::get('/{id}', [StockController::class, 'show'])->whereNumber('id')->name('v1.stocks.show');
+    Route::put('/{id}', [StockController::class, 'update'])->whereNumber('id')->name('v1.stocks.update');
     Route::get('/{id}/adjustments', [StockController::class, 'adjustments'])->whereNumber('id')->name('v1.stocks.adjustments');
     Route::post('/{id}/adjustments', [StockController::class, 'storeAdjustment'])->whereNumber('id')->name('v1.stocks.adjustments.store');
 });
diff --git a/routes/api/v1/production.php b/routes/api/v1/production.php
index 18c33f16..c177fc62 100644
--- a/routes/api/v1/production.php
+++ b/routes/api/v1/production.php
@@ -31,6 +31,7 @@
     Route::put('/{id}', [ProcessController::class, 'update'])->whereNumber('id')->name('v1.processes.update');
     Route::delete('/{id}', [ProcessController::class, 'destroy'])->whereNumber('id')->name('v1.processes.destroy');
     Route::patch('/{id}/toggle', [ProcessController::class, 'toggleActive'])->whereNumber('id')->name('v1.processes.toggle');
+    Route::post('/{id}/duplicate', [ProcessController::class, 'duplicate'])->whereNumber('id')->name('v1.processes.duplicate');
 
     // Process Steps (공정 단계)
     Route::prefix('{processId}/steps')->whereNumber('processId')->group(function () {
@@ -138,9 +139,11 @@
 Route::prefix('bending-items')->group(function () {
     Route::get('', [BendingItemController::class, 'index'])->name('v1.bending-items.index');
     Route::get('/filters', [BendingItemController::class, 'filters'])->name('v1.bending-items.filters');
+    Route::get('/prefixes', [BendingItemController::class, 'prefixes'])->name('v1.bending-items.prefixes');
     Route::post('', [BendingItemController::class, 'store'])->name('v1.bending-items.store');
     Route::get('/{id}', [BendingItemController::class, 'show'])->whereNumber('id')->name('v1.bending-items.show');
     Route::put('/{id}', [BendingItemController::class, 'update'])->whereNumber('id')->name('v1.bending-items.update');
+    Route::post('/{id}/duplicate', [BendingItemController::class, 'duplicate'])->whereNumber('id')->name('v1.bending-items.duplicate');
     Route::delete('/{id}', [BendingItemController::class, 'destroy'])->whereNumber('id')->name('v1.bending-items.destroy');
 });