diff --git a/app/Console/Commands/BackfillQuoteProductCodeCommand.php b/app/Console/Commands/BackfillQuoteProductCodeCommand.php
new file mode 100644
index 0000000..4550ca9
--- /dev/null
+++ b/app/Console/Commands/BackfillQuoteProductCodeCommand.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Quote\Quote;
+use Illuminate\Console\Command;
+
+class BackfillQuoteProductCodeCommand extends Command
+{
+    protected $signature = 'data:backfill-quote-product-code {--dry-run : 실제 저장하지 않고 결과만 출력}';
+
+    protected $description = 'quotes.product_code가 비어있는 레코드에 calculation_inputs.items[0].productCode 값 보정';
+
+    public function handle(): int
+    {
+        $dryRun = $this->option('dry-run');
+
+        $quotes = Quote::whereNull('product_code')
+            ->whereNotNull('calculation_inputs')
+            ->get();
+
+        $this->info("대상: {$quotes->count()}건".($dryRun ? ' (dry-run)' : ''));
+
+        $updated = 0;
+        $skipped = 0;
+
+        foreach ($quotes as $quote) {
+            $inputs = $quote->calculation_inputs;
+            if (! is_array($inputs)) {
+                $inputs = json_decode($inputs, true);
+            }
+
+            $productCode = $inputs['items'][0]['productCode'] ?? null;
+
+            if (! $productCode) {
+                $skipped++;
+                $this->line("  SKIP #{$quote->id} ({$quote->quote_number}) — productCode 없음");
+
+                continue;
+            }
+
+            if (! $dryRun) {
+                $quote->update(['product_code' => $productCode]);
+            }
+
+            $updated++;
+            $this->line('  '.($dryRun ? 'WOULD ' : '')."UPDATE #{$quote->id} ({$quote->quote_number}) → {$productCode}");
+        }
+
+        $this->info("완료: 보정 {$updated}건, 스킵 {$skipped}건");
+
+        return self::SUCCESS;
+    }
+}
diff --git a/app/Helpers/Legacy5130Calculator.php b/app/Helpers/Legacy5130Calculator.php
index 1d8c59e..5c2f723 100644
--- a/app/Helpers/Legacy5130Calculator.php
+++ b/app/Helpers/Legacy5130Calculator.php
@@ -14,7 +14,7 @@
  * - 두께 매핑 (normalizeThickness)
  * - 면적 계산 (calculateArea)
  *
- * @see docs/plans/5130-sam-data-migration-plan.md 섹션 4.5
+ * @see docs/dev_plans/5130-sam-data-migration-plan.md 섹션 4.5
  */
 class Legacy5130Calculator
 {
diff --git a/app/Http/Controllers/Api/V1/InspectionController.php b/app/Http/Controllers/Api/V1/InspectionController.php
index 2edc728..d543d12 100644
--- a/app/Http/Controllers/Api/V1/InspectionController.php
+++ b/app/Http/Controllers/Api/V1/InspectionController.php
@@ -34,6 +34,16 @@ public function stats(Request $request)
         }, __('message.inspection.fetched'));
     }
 
+    /**
+     * 캘린더 스케줄 조회
+     */
+    public function calendar(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->calendar($request->all());
+        }, __('message.inspection.fetched'));
+    }
+
     /**
      * 단건 조회
      */
diff --git a/app/Http/Controllers/Api/V1/PerformanceReportController.php b/app/Http/Controllers/Api/V1/PerformanceReportController.php
new file mode 100644
index 0000000..75d40ea
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/PerformanceReportController.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Quality\PerformanceReportConfirmRequest;
+use App\Http\Requests\Quality\PerformanceReportMemoRequest;
+use App\Services\PerformanceReportService;
+use Illuminate\Http\Request;
+
+class PerformanceReportController extends Controller
+{
+    public function __construct(private PerformanceReportService $service) {}
+
+    public function index(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function stats(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->stats($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function confirm(PerformanceReportConfirmRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->confirm($request->validated()['ids']);
+        }, __('message.updated'));
+    }
+
+    public function unconfirm(PerformanceReportConfirmRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->unconfirm($request->validated()['ids']);
+        }, __('message.updated'));
+    }
+
+    public function updateMemo(PerformanceReportMemoRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            $data = $request->validated();
+
+            return $this->service->updateMemo($data['ids'], $data['memo']);
+        }, __('message.updated'));
+    }
+
+    public function missing(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->missing($request->all());
+        }, __('message.fetched'));
+    }
+}
diff --git a/app/Http/Controllers/Api/V1/QualityDocumentController.php b/app/Http/Controllers/Api/V1/QualityDocumentController.php
new file mode 100644
index 0000000..82cb42f
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/QualityDocumentController.php
@@ -0,0 +1,127 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Quality\QualityDocumentStoreRequest;
+use App\Http\Requests\Quality\QualityDocumentUpdateRequest;
+use App\Services\QualityDocumentService;
+use Illuminate\Http\Request;
+
+class QualityDocumentController extends Controller
+{
+    public function __construct(private QualityDocumentService $service) {}
+
+    public function index(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function stats(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->stats($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function calendar(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->calendar($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function availableOrders(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->availableOrders($request->all());
+        }, __('message.fetched'));
+    }
+
+    public function show(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->show($id);
+        }, __('message.fetched'));
+    }
+
+    public function store(QualityDocumentStoreRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->store($request->validated());
+        }, __('message.created'));
+    }
+
+    public function update(QualityDocumentUpdateRequest $request, int $id)
+    {
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->update($id, $request->validated());
+        }, __('message.updated'));
+    }
+
+    public function destroy(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            $this->service->destroy($id);
+
+            return 'success';
+        }, __('message.deleted'));
+    }
+
+    public function complete(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->complete($id);
+        }, __('message.updated'));
+    }
+
+    public function attachOrders(Request $request, int $id)
+    {
+        $request->validate([
+            'order_ids' => ['required', 'array', 'min:1'],
+            'order_ids.*' => ['required', 'integer'],
+        ]);
+
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->attachOrders($id, $request->input('order_ids'));
+        }, __('message.updated'));
+    }
+
+    public function detachOrder(int $id, int $orderId)
+    {
+        return ApiResponse::handle(function () use ($id, $orderId) {
+            return $this->service->detachOrder($id, $orderId);
+        }, __('message.updated'));
+    }
+
+    public function inspectLocation(Request $request, int $id, int $locId)
+    {
+        $request->validate([
+            'post_width' => ['nullable', 'integer'],
+            'post_height' => ['nullable', 'integer'],
+            'change_reason' => ['nullable', 'string', 'max:500'],
+            'inspection_status' => ['nullable', 'string', 'in:pending,completed'],
+        ]);
+
+        return ApiResponse::handle(function () use ($request, $id, $locId) {
+            return $this->service->inspectLocation($id, $locId, $request->all());
+        }, __('message.updated'));
+    }
+
+    public function requestDocument(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->requestDocument($id);
+        }, __('message.fetched'));
+    }
+
+    public function resultDocument(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->resultDocument($id);
+        }, __('message.fetched'));
+    }
+}
diff --git a/app/Http/Requests/Inspection/InspectionStoreRequest.php b/app/Http/Requests/Inspection/InspectionStoreRequest.php
index 56e38c1..9d92a4f 100644
--- a/app/Http/Requests/Inspection/InspectionStoreRequest.php
+++ b/app/Http/Requests/Inspection/InspectionStoreRequest.php
@@ -22,6 +22,7 @@ public function rules(): array
                 Inspection::TYPE_FQC,
             ])],
             'lot_no' => ['required', 'string', 'max:50'],
+            'work_order_id' => ['nullable', 'integer', 'exists:work_orders,id'],
             'item_name' => ['nullable', 'string', 'max:200'],
             'process_name' => ['nullable', 'string', 'max:100'],
             'quantity' => ['nullable', 'numeric', 'min:0'],
diff --git a/app/Http/Requests/Quality/PerformanceReportConfirmRequest.php b/app/Http/Requests/Quality/PerformanceReportConfirmRequest.php
new file mode 100644
index 0000000..de0b74b
--- /dev/null
+++ b/app/Http/Requests/Quality/PerformanceReportConfirmRequest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests\Quality;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class PerformanceReportConfirmRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'ids' => ['required', 'array', 'min:1'],
+            'ids.*' => ['required', 'integer', 'exists:performance_reports,id'],
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'ids.required' => __('validation.required', ['attribute' => '실적신고 ID']),
+            'ids.min' => __('validation.min.array', ['attribute' => '실적신고 ID', 'min' => 1]),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Quality/PerformanceReportMemoRequest.php b/app/Http/Requests/Quality/PerformanceReportMemoRequest.php
new file mode 100644
index 0000000..76fab6d
--- /dev/null
+++ b/app/Http/Requests/Quality/PerformanceReportMemoRequest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Requests\Quality;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class PerformanceReportMemoRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'ids' => ['required', 'array', 'min:1'],
+            'ids.*' => ['required', 'integer', 'exists:performance_reports,id'],
+            'memo' => ['required', 'string', 'max:1000'],
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'ids.required' => __('validation.required', ['attribute' => '실적신고 ID']),
+            'memo.required' => __('validation.required', ['attribute' => '메모']),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Quality/QualityDocumentStoreRequest.php b/app/Http/Requests/Quality/QualityDocumentStoreRequest.php
new file mode 100644
index 0000000..14e8cd8
--- /dev/null
+++ b/app/Http/Requests/Quality/QualityDocumentStoreRequest.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Http\Requests\Quality;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class QualityDocumentStoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'site_name' => ['required', 'string', 'max:200'],
+            'client_id' => ['nullable', 'integer', 'exists:clients,id'],
+            'inspector_id' => ['nullable', 'integer', 'exists:users,id'],
+            'received_date' => ['nullable', 'date'],
+            'options' => ['nullable', 'array'],
+            'options.manager' => ['nullable', 'array'],
+            'options.manager.name' => ['nullable', 'string', 'max:50'],
+            'options.manager.phone' => ['nullable', 'string', 'max:30'],
+            'options.inspection' => ['nullable', 'array'],
+            'options.inspection.request_date' => ['nullable', 'date'],
+            'options.inspection.start_date' => ['nullable', 'date'],
+            'options.inspection.end_date' => ['nullable', 'date'],
+            'options.site_address' => ['nullable', 'array'],
+            'options.construction_site' => ['nullable', 'array'],
+            'options.material_distributor' => ['nullable', 'array'],
+            'options.contractor' => ['nullable', 'array'],
+            'options.supervisor' => ['nullable', 'array'],
+            'order_ids' => ['nullable', 'array'],
+            'order_ids.*' => ['integer', 'exists:orders,id'],
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'site_name.required' => __('validation.required', ['attribute' => '현장명']),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Quality/QualityDocumentUpdateRequest.php b/app/Http/Requests/Quality/QualityDocumentUpdateRequest.php
new file mode 100644
index 0000000..763d607
--- /dev/null
+++ b/app/Http/Requests/Quality/QualityDocumentUpdateRequest.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Http\Requests\Quality;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class QualityDocumentUpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'site_name' => ['sometimes', 'string', 'max:200'],
+            'client_id' => ['nullable', 'integer', 'exists:clients,id'],
+            'inspector_id' => ['nullable', 'integer', 'exists:users,id'],
+            'received_date' => ['nullable', 'date'],
+            'options' => ['nullable', 'array'],
+            'options.manager' => ['nullable', 'array'],
+            'options.manager.name' => ['nullable', 'string', 'max:50'],
+            'options.manager.phone' => ['nullable', 'string', 'max:30'],
+            'options.inspection' => ['nullable', 'array'],
+            'options.inspection.request_date' => ['nullable', 'date'],
+            'options.inspection.start_date' => ['nullable', 'date'],
+            'options.inspection.end_date' => ['nullable', 'date'],
+            'options.site_address' => ['nullable', 'array'],
+            'options.construction_site' => ['nullable', 'array'],
+            'options.material_distributor' => ['nullable', 'array'],
+            'options.contractor' => ['nullable', 'array'],
+            'options.supervisor' => ['nullable', 'array'],
+            'order_ids' => ['nullable', 'array'],
+            'order_ids.*' => ['integer', 'exists:orders,id'],
+            'locations' => ['nullable', 'array'],
+            'locations.*.id' => ['required', 'integer'],
+            'locations.*.post_width' => ['nullable', 'integer'],
+            'locations.*.post_height' => ['nullable', 'integer'],
+            'locations.*.change_reason' => ['nullable', 'string', 'max:500'],
+            'locations.*.inspection_data' => ['nullable', 'array'],
+        ];
+    }
+}
diff --git a/app/Http/Requests/WorkOrder/StoreItemInspectionRequest.php b/app/Http/Requests/WorkOrder/StoreItemInspectionRequest.php
index b5dba3a..b542fe4 100644
--- a/app/Http/Requests/WorkOrder/StoreItemInspectionRequest.php
+++ b/app/Http/Requests/WorkOrder/StoreItemInspectionRequest.php
@@ -39,6 +39,16 @@ public function rules(): array
             'inspection_data.nonConformingContent' => 'nullable|string|max:1000',
             'inspection_data.templateValues' => 'nullable|array',
             'inspection_data.templateValues.*' => 'nullable',
+            // 절곡 제품별 검사 데이터
+            'inspection_data.products' => 'nullable|array',
+            'inspection_data.products.*.id' => 'required_with:inspection_data.products|string',
+            'inspection_data.products.*.bendingStatus' => ['nullable', Rule::in(['양호', '불량'])],
+            'inspection_data.products.*.lengthMeasured' => 'nullable|string|max:50',
+            'inspection_data.products.*.widthMeasured' => 'nullable|string|max:50',
+            'inspection_data.products.*.gapPoints' => 'nullable|array',
+            'inspection_data.products.*.gapPoints.*.point' => 'nullable|string',
+            'inspection_data.products.*.gapPoints.*.designValue' => 'nullable|string',
+            'inspection_data.products.*.gapPoints.*.measured' => 'nullable|string|max:50',
         ];
     }
 
diff --git a/app/Models/Qualitys/Inspection.php b/app/Models/Qualitys/Inspection.php
index f6453b3..fd4b6a2 100644
--- a/app/Models/Qualitys/Inspection.php
+++ b/app/Models/Qualitys/Inspection.php
@@ -4,6 +4,7 @@
 
 use App\Models\Items\Item;
 use App\Models\Members\User;
+use App\Models\Production\WorkOrder;
 use App\Traits\Auditable;
 use App\Traits\BelongsToTenant;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -23,6 +24,7 @@
  * @property string|null $inspection_date 검사일
  * @property int|null $item_id 품목 ID
  * @property string $lot_no LOT번호
+ * @property int|null $work_order_id 작업지시 ID (PQC/FQC용)
  * @property int|null $inspector_id 검사자 ID
  * @property array|null $meta 메타정보 (process_name, quantity, unit 등)
  * @property array|null $items 검사항목 배열
@@ -47,6 +49,7 @@ class Inspection extends Model
         'inspection_date',
         'item_id',
         'lot_no',
+        'work_order_id',
         'inspector_id',
         'meta',
         'items',
@@ -92,6 +95,14 @@ class Inspection extends Model
 
     // ===== Relationships =====
 
+    /**
+     * 작업지시 (PQC/FQC용)
+     */
+    public function workOrder()
+    {
+        return $this->belongsTo(WorkOrder::class);
+    }
+
     /**
      * 품목
      */
diff --git a/app/Models/Qualitys/PerformanceReport.php b/app/Models/Qualitys/PerformanceReport.php
new file mode 100644
index 0000000..3c03cc9
--- /dev/null
+++ b/app/Models/Qualitys/PerformanceReport.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Members\User;
+use App\Traits\Auditable;
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class PerformanceReport extends Model
+{
+    use Auditable, BelongsToTenant, SoftDeletes;
+
+    protected $table = 'performance_reports';
+
+    const STATUS_UNCONFIRMED = 'unconfirmed';
+
+    const STATUS_CONFIRMED = 'confirmed';
+
+    const STATUS_REPORTED = 'reported';
+
+    protected $fillable = [
+        'tenant_id',
+        'quality_document_id',
+        'year',
+        'quarter',
+        'confirmation_status',
+        'confirmed_date',
+        'confirmed_by',
+        'memo',
+        'created_by',
+        'updated_by',
+        'deleted_by',
+    ];
+
+    protected $casts = [
+        'confirmed_date' => 'date',
+        'year' => 'integer',
+        'quarter' => 'integer',
+    ];
+
+    // ===== Relationships =====
+
+    public function qualityDocument()
+    {
+        return $this->belongsTo(QualityDocument::class);
+    }
+
+    public function confirmer()
+    {
+        return $this->belongsTo(User::class, 'confirmed_by');
+    }
+
+    public function creator()
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    // ===== Status Helpers =====
+
+    public function isUnconfirmed(): bool
+    {
+        return $this->confirmation_status === self::STATUS_UNCONFIRMED;
+    }
+
+    public function isConfirmed(): bool
+    {
+        return $this->confirmation_status === self::STATUS_CONFIRMED;
+    }
+
+    public function isReported(): bool
+    {
+        return $this->confirmation_status === self::STATUS_REPORTED;
+    }
+}
diff --git a/app/Models/Qualitys/QualityDocument.php b/app/Models/Qualitys/QualityDocument.php
new file mode 100644
index 0000000..bcbc104
--- /dev/null
+++ b/app/Models/Qualitys/QualityDocument.php
@@ -0,0 +1,131 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Members\User;
+use App\Models\Orders\Client;
+use App\Traits\Auditable;
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class QualityDocument extends Model
+{
+    use Auditable, BelongsToTenant, SoftDeletes;
+
+    protected $table = 'quality_documents';
+
+    const STATUS_RECEIVED = 'received';
+
+    const STATUS_IN_PROGRESS = 'in_progress';
+
+    const STATUS_COMPLETED = 'completed';
+
+    protected $fillable = [
+        'tenant_id',
+        'quality_doc_number',
+        'site_name',
+        'status',
+        'client_id',
+        'inspector_id',
+        'received_date',
+        'options',
+        'created_by',
+        'updated_by',
+        'deleted_by',
+    ];
+
+    protected $casts = [
+        'options' => 'array',
+        'received_date' => 'date',
+    ];
+
+    // ===== Relationships =====
+
+    public function client()
+    {
+        return $this->belongsTo(Client::class, 'client_id');
+    }
+
+    public function inspector()
+    {
+        return $this->belongsTo(User::class, 'inspector_id');
+    }
+
+    public function creator()
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function documentOrders()
+    {
+        return $this->hasMany(QualityDocumentOrder::class);
+    }
+
+    public function locations()
+    {
+        return $this->hasMany(QualityDocumentLocation::class);
+    }
+
+    public function performanceReport()
+    {
+        return $this->hasOne(PerformanceReport::class);
+    }
+
+    // ===== 채번 =====
+
+    public static function generateDocNumber(int $tenantId): string
+    {
+        $prefix = 'KD-QD';
+        $yearMonth = now()->format('Ym');
+
+        $lastNo = static::withoutGlobalScopes()
+            ->where('tenant_id', $tenantId)
+            ->where('quality_doc_number', 'like', "{$prefix}-{$yearMonth}-%")
+            ->orderByDesc('quality_doc_number')
+            ->value('quality_doc_number');
+
+        if ($lastNo) {
+            $seq = (int) substr($lastNo, -4) + 1;
+        } else {
+            $seq = 1;
+        }
+
+        return sprintf('%s-%s-%04d', $prefix, $yearMonth, $seq);
+    }
+
+    // ===== Status Helpers =====
+
+    public function isReceived(): bool
+    {
+        return $this->status === self::STATUS_RECEIVED;
+    }
+
+    public function isInProgress(): bool
+    {
+        return $this->status === self::STATUS_IN_PROGRESS;
+    }
+
+    public function isCompleted(): bool
+    {
+        return $this->status === self::STATUS_COMPLETED;
+    }
+
+    public static function mapStatusToFrontend(string $status): string
+    {
+        return match ($status) {
+            self::STATUS_RECEIVED => 'reception',
+            self::STATUS_IN_PROGRESS => 'in_progress',
+            self::STATUS_COMPLETED => 'completed',
+            default => $status,
+        };
+    }
+
+    public static function mapStatusFromFrontend(string $status): string
+    {
+        return match ($status) {
+            'reception' => self::STATUS_RECEIVED,
+            default => $status,
+        };
+    }
+}
diff --git a/app/Models/Qualitys/QualityDocumentLocation.php b/app/Models/Qualitys/QualityDocumentLocation.php
new file mode 100644
index 0000000..311ed9d
--- /dev/null
+++ b/app/Models/Qualitys/QualityDocumentLocation.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Documents\Document;
+use App\Models\Orders\OrderItem;
+use Illuminate\Database\Eloquent\Model;
+
+class QualityDocumentLocation extends Model
+{
+    protected $table = 'quality_document_locations';
+
+    const STATUS_PENDING = 'pending';
+
+    const STATUS_COMPLETED = 'completed';
+
+    protected $fillable = [
+        'quality_document_id',
+        'quality_document_order_id',
+        'order_item_id',
+        'post_width',
+        'post_height',
+        'change_reason',
+        'inspection_data',
+        'document_id',
+        'inspection_status',
+    ];
+
+    protected $casts = [
+        'inspection_data' => 'array',
+    ];
+
+    public function qualityDocument()
+    {
+        return $this->belongsTo(QualityDocument::class);
+    }
+
+    public function qualityDocumentOrder()
+    {
+        return $this->belongsTo(QualityDocumentOrder::class);
+    }
+
+    public function orderItem()
+    {
+        return $this->belongsTo(OrderItem::class);
+    }
+
+    public function document()
+    {
+        return $this->belongsTo(Document::class);
+    }
+
+    public function isPending(): bool
+    {
+        return $this->inspection_status === self::STATUS_PENDING;
+    }
+
+    public function isCompleted(): bool
+    {
+        return $this->inspection_status === self::STATUS_COMPLETED;
+    }
+}
diff --git a/app/Models/Qualitys/QualityDocumentOrder.php b/app/Models/Qualitys/QualityDocumentOrder.php
new file mode 100644
index 0000000..4d804f7
--- /dev/null
+++ b/app/Models/Qualitys/QualityDocumentOrder.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Orders\Order;
+use Illuminate\Database\Eloquent\Model;
+
+class QualityDocumentOrder extends Model
+{
+    protected $table = 'quality_document_orders';
+
+    protected $fillable = [
+        'quality_document_id',
+        'order_id',
+    ];
+
+    public function qualityDocument()
+    {
+        return $this->belongsTo(QualityDocument::class);
+    }
+
+    public function order()
+    {
+        return $this->belongsTo(Order::class);
+    }
+
+    public function locations()
+    {
+        return $this->hasMany(QualityDocumentLocation::class);
+    }
+}
diff --git a/app/Services/InspectionService.php b/app/Services/InspectionService.php
index dcc5e38..3f142c7 100644
--- a/app/Services/InspectionService.php
+++ b/app/Services/InspectionService.php
@@ -33,7 +33,7 @@ public function index(array $params)
 
         $query = Inspection::query()
             ->where('tenant_id', $tenantId)
-            ->with(['inspector:id,name', 'item:id,item_name']);
+            ->with(['inspector:id,name', 'item:id,item_name', 'workOrder:id,work_order_no']);
 
         // 검색어 (검사번호, LOT번호)
         if ($q !== '') {
@@ -126,7 +126,7 @@ public function show(int $id)
         $tenantId = $this->tenantId();
 
         $inspection = Inspection::where('tenant_id', $tenantId)
-            ->with(['inspector:id,name', 'item:id,item_name'])
+            ->with(['inspector:id,name', 'item:id,item_name', 'workOrder:id,work_order_no'])
             ->find($id);
 
         if (! $inspection) {
@@ -183,6 +183,7 @@ public function store(array $data)
                 'inspection_type' => $data['inspection_type'],
                 'request_date' => $data['request_date'] ?? now()->toDateString(),
                 'lot_no' => $data['lot_no'],
+                'work_order_id' => $data['work_order_id'] ?? null,
                 'inspector_id' => $data['inspector_id'] ?? null,
                 'meta' => $meta,
                 'items' => $items,
@@ -200,7 +201,7 @@ public function store(array $data)
                 $inspection->toArray()
             );
 
-            return $this->transformToFrontend($inspection->load(['inspector:id,name']));
+            return $this->transformToFrontend($inspection->load(['inspector:id,name', 'workOrder:id,work_order_no']));
         });
     }
 
@@ -277,7 +278,7 @@ public function update(int $id, array $data)
                 $inspection->fresh()->toArray()
             );
 
-            return $this->transformToFrontend($inspection->load(['inspector:id,name']));
+            return $this->transformToFrontend($inspection->load(['inspector:id,name', 'workOrder:id,work_order_no']));
         });
     }
 
@@ -360,10 +361,83 @@ public function complete(int $id, array $data)
                 $inspection->fresh()->toArray()
             );
 
-            return $this->transformToFrontend($inspection->load(['inspector:id,name']));
+            return $this->transformToFrontend($inspection->load(['inspector:id,name', 'workOrder:id,work_order_no']));
         });
     }
 
+    /**
+     * 캘린더 스케줄 조회
+     */
+    public function calendar(array $params): array
+    {
+        $tenantId = $this->tenantId();
+
+        $year = (int) ($params['year'] ?? now()->year);
+        $month = (int) ($params['month'] ?? now()->month);
+
+        // 해당 월의 시작일/종료일
+        $startDate = sprintf('%04d-%02d-01', $year, $month);
+        $endDate = date('Y-m-t', strtotime($startDate));
+
+        $query = Inspection::query()
+            ->where('tenant_id', $tenantId)
+            ->where(function ($q) use ($startDate, $endDate) {
+                $q->whereBetween('request_date', [$startDate, $endDate])
+                    ->orWhereBetween('inspection_date', [$startDate, $endDate]);
+            })
+            ->with(['inspector:id,name', 'item:id,item_name']);
+
+        // 검사자 필터
+        if (! empty($params['inspector'])) {
+            $query->whereHas('inspector', function ($q) use ($params) {
+                $q->where('name', $params['inspector']);
+            });
+        }
+
+        // 상태 필터
+        if (! empty($params['status'])) {
+            $status = $params['status'] === 'reception' ? self::mapStatusFromFrontend('reception') : $params['status'];
+            $query->where('status', $status);
+        }
+
+        return $query->orderBy('request_date')
+            ->get()
+            ->map(fn (Inspection $item) => [
+                'id' => $item->id,
+                'start_date' => $item->request_date?->format('Y-m-d'),
+                'end_date' => $item->inspection_date?->format('Y-m-d') ?? $item->request_date?->format('Y-m-d'),
+                'inspector' => $item->inspector?->name ?? '',
+                'site_name' => $item->item?->item_name ?? ($item->meta['process_name'] ?? $item->inspection_no),
+                'status' => self::mapStatusToFrontend($item->status),
+            ])
+            ->values()
+            ->toArray();
+    }
+
+    /**
+     * 상태를 프론트엔드 형식으로 매핑
+     */
+    private static function mapStatusToFrontend(string $status): string
+    {
+        return match ($status) {
+            Inspection::STATUS_WAITING => 'reception',
+            Inspection::STATUS_IN_PROGRESS => 'in_progress',
+            Inspection::STATUS_COMPLETED => 'completed',
+            default => $status,
+        };
+    }
+
+    /**
+     * 프론트엔드 상태를 DB 상태로 매핑
+     */
+    private static function mapStatusFromFrontend(string $status): string
+    {
+        return match ($status) {
+            'reception' => Inspection::STATUS_WAITING,
+            default => $status,
+        };
+    }
+
     /**
      * DB 데이터를 프론트엔드 형식으로 변환
      */
@@ -380,6 +454,8 @@ private function transformToFrontend(Inspection $inspection): array
             'inspection_date' => $inspection->inspection_date?->format('Y-m-d'),
             'item_name' => $inspection->item?->item_name ?? ($meta['item_name'] ?? null),
             'lot_no' => $inspection->lot_no,
+            'work_order_id' => $inspection->work_order_id,
+            'work_order_no' => $inspection->workOrder?->work_order_no,
             'process_name' => $meta['process_name'] ?? null,
             'quantity' => $meta['quantity'] ?? null,
             'unit' => $meta['unit'] ?? null,
diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 98b35d1..c3df77a 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -1325,9 +1325,13 @@ public function createProductionOrder(int $orderId, array $data)
                 // 작업지시번호 생성
                 $workOrderNo = $this->generateWorkOrderNo($tenantId);
 
-                // 절곡 공정이면 bending_info 자동 생성
+                // 공정 옵션 초기화 (보조 공정 플래그 포함)
                 $workOrderOptions = null;
                 if ($processId) {
+                    $process = \App\Models\Process::find($processId);
+                    if ($process && ! empty($process->options['is_auxiliary'])) {
+                        $workOrderOptions = ['is_auxiliary' => true];
+                    }
                     // 이 작업지시에 포함되는 노드 ID만 추출
                     $nodeIds = collect($items)
                         ->pluck('order_node_id')
@@ -1338,7 +1342,7 @@ public function createProductionOrder(int $orderId, array $data)
 
                     $buildResult = app(BendingInfoBuilder::class)->build($order, $processId, $nodeIds ?: null);
                     if ($buildResult) {
-                        $workOrderOptions = ['bending_info' => $buildResult['bending_info']];
+                        $workOrderOptions = array_merge($workOrderOptions ?? [], ['bending_info' => $buildResult['bending_info']]);
                     }
                 }
 
@@ -1410,6 +1414,8 @@ public function createProductionOrder(int $orderId, array $data)
                     $woItemOptions = array_filter([
                         'floor' => $orderItem->floor_code,
                         'code' => $orderItem->symbol_code,
+                        'product_code' => ! empty($nodeOptions['product_code']) ? $nodeOptions['product_code'] : null,
+                        'product_name' => ! empty($nodeOptions['product_name']) ? $nodeOptions['product_name'] : null,
                         'width' => $woWidth,
                         'height' => $woHeight,
                         'cutting_info' => $nodeOptions['cutting_info'] ?? null,
diff --git a/app/Services/PerformanceReportService.php b/app/Services/PerformanceReportService.php
new file mode 100644
index 0000000..80b343b
--- /dev/null
+++ b/app/Services/PerformanceReportService.php
@@ -0,0 +1,258 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Qualitys\PerformanceReport;
+use App\Services\Audit\AuditLogger;
+use Illuminate\Support\Facades\DB;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+
+class PerformanceReportService extends Service
+{
+    private const AUDIT_TARGET = 'performance_report';
+
+    public function __construct(
+        private readonly AuditLogger $auditLogger,
+        private readonly QualityDocumentService $qualityDocumentService
+    ) {}
+
+    /**
+     * 목록 조회
+     */
+    public function index(array $params)
+    {
+        $tenantId = $this->tenantId();
+        $perPage = (int) ($params['per_page'] ?? 20);
+        $q = trim((string) ($params['q'] ?? ''));
+        $year = $params['year'] ?? null;
+        $quarter = $params['quarter'] ?? null;
+        $confirmStatus = $params['confirm_status'] ?? null;
+
+        $query = PerformanceReport::query()
+            ->where('performance_reports.tenant_id', $tenantId)
+            ->with(['qualityDocument.client', 'qualityDocument.locations', 'confirmer:id,name']);
+
+        if ($q !== '') {
+            $query->whereHas('qualityDocument', function ($qq) use ($q) {
+                $qq->where('quality_doc_number', 'like', "%{$q}%")
+                    ->orWhere('site_name', 'like', "%{$q}%");
+            });
+        }
+
+        if ($year !== null) {
+            $query->where('year', $year);
+        }
+        if ($quarter !== null) {
+            $query->where('quarter', $quarter);
+        }
+        if ($confirmStatus !== null) {
+            $query->where('confirmation_status', $confirmStatus);
+        }
+
+        $query->orderByDesc('performance_reports.id');
+        $paginated = $query->paginate($perPage);
+
+        $transformedData = $paginated->getCollection()->map(fn ($report) => $this->transformToFrontend($report));
+
+        return [
+            'items' => $transformedData,
+            'current_page' => $paginated->currentPage(),
+            'last_page' => $paginated->lastPage(),
+            'per_page' => $paginated->perPage(),
+            'total' => $paginated->total(),
+        ];
+    }
+
+    /**
+     * 통계 조회
+     */
+    public function stats(array $params = []): array
+    {
+        $tenantId = $this->tenantId();
+
+        $query = PerformanceReport::where('performance_reports.tenant_id', $tenantId);
+
+        if (! empty($params['year'])) {
+            $query->where('performance_reports.year', $params['year']);
+        }
+        if (! empty($params['quarter'])) {
+            $query->where('performance_reports.quarter', $params['quarter']);
+        }
+
+        $counts = (clone $query)
+            ->select('confirmation_status', DB::raw('count(*) as count'))
+            ->groupBy('confirmation_status')
+            ->pluck('count', 'confirmation_status')
+            ->toArray();
+
+        $totalLocations = (clone $query)
+            ->join('quality_documents', 'quality_documents.id', '=', 'performance_reports.quality_document_id')
+            ->join('quality_document_locations', 'quality_document_locations.quality_document_id', '=', 'quality_documents.id')
+            ->count('quality_document_locations.id');
+
+        return [
+            'total_count' => array_sum($counts),
+            'confirmed_count' => $counts[PerformanceReport::STATUS_CONFIRMED] ?? 0,
+            'unconfirmed_count' => $counts[PerformanceReport::STATUS_UNCONFIRMED] ?? 0,
+            'total_locations' => $totalLocations,
+        ];
+    }
+
+    /**
+     * 일괄 확정
+     */
+    public function confirm(array $ids)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($ids, $tenantId, $userId) {
+            $reports = PerformanceReport::where('tenant_id', $tenantId)
+                ->whereIn('id', $ids)
+                ->with(['qualityDocument'])
+                ->get();
+
+            $errors = [];
+            foreach ($reports as $report) {
+                if ($report->isConfirmed() || $report->isReported()) {
+                    continue;
+                }
+
+                // 필수정보 검증
+                $requiredInfo = $this->qualityDocumentService->calculateRequiredInfo($report->qualityDocument);
+                if ($requiredInfo !== '완료') {
+                    $errors[] = [
+                        'id' => $report->id,
+                        'quality_doc_number' => $report->qualityDocument->quality_doc_number,
+                        'reason' => $requiredInfo,
+                    ];
+
+                    continue;
+                }
+
+                $report->update([
+                    'confirmation_status' => PerformanceReport::STATUS_CONFIRMED,
+                    'confirmed_date' => now()->toDateString(),
+                    'confirmed_by' => $userId,
+                    'updated_by' => $userId,
+                ]);
+            }
+
+            if (! empty($errors)) {
+                throw new BadRequestHttpException(json_encode([
+                    'message' => __('error.quality.confirm_failed'),
+                    'errors' => $errors,
+                ]));
+            }
+
+            return ['confirmed_count' => count($ids) - count($errors)];
+        });
+    }
+
+    /**
+     * 일괄 확정 해제
+     */
+    public function unconfirm(array $ids)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($ids, $tenantId, $userId) {
+            PerformanceReport::where('tenant_id', $tenantId)
+                ->whereIn('id', $ids)
+                ->where('confirmation_status', PerformanceReport::STATUS_CONFIRMED)
+                ->update([
+                    'confirmation_status' => PerformanceReport::STATUS_UNCONFIRMED,
+                    'confirmed_date' => null,
+                    'confirmed_by' => null,
+                    'updated_by' => $userId,
+                ]);
+
+            return ['unconfirmed_count' => count($ids)];
+        });
+    }
+
+    /**
+     * 일괄 메모 업데이트
+     */
+    public function updateMemo(array $ids, string $memo)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        PerformanceReport::where('tenant_id', $tenantId)
+            ->whereIn('id', $ids)
+            ->update([
+                'memo' => $memo,
+                'updated_by' => $userId,
+            ]);
+
+        return ['updated_count' => count($ids)];
+    }
+
+    /**
+     * 누락체크 (출고완료 but 제품검사 미등록)
+     */
+    public function missing(array $params): array
+    {
+        $tenantId = $this->tenantId();
+
+        // 품질관리서가 등록된 수주 ID
+        $registeredOrderIds = DB::table('quality_document_orders')
+            ->join('quality_documents', 'quality_documents.id', '=', 'quality_document_orders.quality_document_id')
+            ->where('quality_documents.tenant_id', $tenantId)
+            ->pluck('quality_document_orders.order_id');
+
+        // 출고완료 상태이지만 품질관리서 미등록 수주
+        $query = DB::table('orders')
+            ->where('tenant_id', $tenantId)
+            ->whereNotIn('id', $registeredOrderIds)
+            ->where('status_code', 'SHIPPED'); // TODO: 출고완료 상태 추가 시 상수 확인
+
+        if (! empty($params['year'])) {
+            $query->whereYear('created_at', $params['year']);
+        }
+        if (! empty($params['quarter'])) {
+            $quarter = (int) $params['quarter'];
+            $startMonth = ($quarter - 1) * 3 + 1;
+            $endMonth = $quarter * 3;
+            $query->whereMonth('created_at', '>=', $startMonth)
+                ->whereMonth('created_at', '<=', $endMonth);
+        }
+
+        return $query->orderByDesc('id')
+            ->limit(100)
+            ->get()
+            ->map(fn ($order) => [
+                'id' => $order->id,
+                'order_number' => $order->order_no ?? '',
+                'site_name' => $order->site_name ?? '',
+                'client' => '', // 별도 조인 필요
+                'delivery_date' => $order->delivery_date ?? '',
+            ])
+            ->toArray();
+    }
+
+    /**
+     * DB → 프론트엔드 변환
+     */
+    private function transformToFrontend(PerformanceReport $report): array
+    {
+        $doc = $report->qualityDocument;
+
+        return [
+            'id' => $report->id,
+            'quality_doc_number' => $doc?->quality_doc_number ?? '',
+            'created_date' => $report->created_at?->format('Y-m-d') ?? '',
+            'site_name' => $doc?->site_name ?? '',
+            'client' => $doc?->client?->name ?? '',
+            'location_count' => $doc?->locations?->count() ?? 0,
+            'required_info' => $doc ? $this->qualityDocumentService->calculateRequiredInfo($doc) : '',
+            'confirm_status' => $report->confirmation_status === PerformanceReport::STATUS_CONFIRMED ? 'confirmed' : 'unconfirmed',
+            'confirm_date' => $report->confirmed_date?->format('Y-m-d'),
+            'memo' => $report->memo ?? '',
+            'year' => $report->year,
+            'quarter' => $report->quarter,
+        ];
+    }
+}
diff --git a/app/Services/QualityDocumentService.php b/app/Services/QualityDocumentService.php
new file mode 100644
index 0000000..e3142cd
--- /dev/null
+++ b/app/Services/QualityDocumentService.php
@@ -0,0 +1,1167 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Documents\Document;
+use App\Models\Documents\DocumentData;
+use App\Models\Documents\DocumentTemplate;
+use App\Models\Orders\Order;
+use App\Models\Orders\OrderItem;
+use App\Models\Orders\OrderNode;
+use App\Models\Qualitys\PerformanceReport;
+use App\Models\Qualitys\QualityDocument;
+use App\Models\Qualitys\QualityDocumentLocation;
+use App\Models\Qualitys\QualityDocumentOrder;
+use App\Services\Audit\AuditLogger;
+use Illuminate\Support\Facades\DB;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class QualityDocumentService extends Service
+{
+    private const AUDIT_TARGET = 'quality_document';
+
+    public function __construct(
+        private readonly AuditLogger $auditLogger
+    ) {}
+
+    /**
+     * 목록 조회
+     */
+    public function index(array $params)
+    {
+        $tenantId = $this->tenantId();
+        $perPage = (int) ($params['per_page'] ?? 20);
+        $q = trim((string) ($params['q'] ?? ''));
+        $status = $params['status'] ?? null;
+        $dateFrom = $params['date_from'] ?? null;
+        $dateTo = $params['date_to'] ?? null;
+
+        $query = QualityDocument::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['client', 'inspector:id,name', 'creator:id,name', 'documentOrders.order', 'locations']);
+
+        if ($q !== '') {
+            $query->where(function ($qq) use ($q) {
+                $qq->where('quality_doc_number', 'like', "%{$q}%")
+                    ->orWhere('site_name', 'like', "%{$q}%");
+            });
+        }
+
+        if ($status !== null) {
+            $dbStatus = QualityDocument::mapStatusFromFrontend($status);
+            $query->where('status', $dbStatus);
+        }
+
+        if ($dateFrom !== null) {
+            $query->where('received_date', '>=', $dateFrom);
+        }
+        if ($dateTo !== null) {
+            $query->where('received_date', '<=', $dateTo);
+        }
+
+        $query->orderByDesc('id');
+        $paginated = $query->paginate($perPage);
+
+        $transformedData = $paginated->getCollection()->map(fn ($doc) => $this->transformToFrontend($doc));
+
+        return [
+            'items' => $transformedData,
+            'current_page' => $paginated->currentPage(),
+            'last_page' => $paginated->lastPage(),
+            'per_page' => $paginated->perPage(),
+            'total' => $paginated->total(),
+        ];
+    }
+
+    /**
+     * 통계 조회
+     */
+    public function stats(array $params = []): array
+    {
+        $tenantId = $this->tenantId();
+
+        $query = QualityDocument::where('tenant_id', $tenantId);
+
+        if (! empty($params['date_from'])) {
+            $query->where('received_date', '>=', $params['date_from']);
+        }
+        if (! empty($params['date_to'])) {
+            $query->where('received_date', '<=', $params['date_to']);
+        }
+
+        $counts = (clone $query)
+            ->select('status', DB::raw('count(*) as count'))
+            ->groupBy('status')
+            ->pluck('count', 'status')
+            ->toArray();
+
+        return [
+            'reception_count' => $counts[QualityDocument::STATUS_RECEIVED] ?? 0,
+            'in_progress_count' => $counts[QualityDocument::STATUS_IN_PROGRESS] ?? 0,
+            'completed_count' => $counts[QualityDocument::STATUS_COMPLETED] ?? 0,
+        ];
+    }
+
+    /**
+     * 캘린더 스케줄 조회
+     */
+    public function calendar(array $params): array
+    {
+        $tenantId = $this->tenantId();
+        $year = (int) ($params['year'] ?? now()->year);
+        $month = (int) ($params['month'] ?? now()->month);
+
+        $startDate = sprintf('%04d-%02d-01', $year, $month);
+        $endDate = date('Y-m-t', strtotime($startDate));
+
+        $query = QualityDocument::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['inspector:id,name']);
+
+        // options JSON 내 inspection.start_date / inspection.end_date 기준 필터링
+        // received_date 기준으로 범위 필터 (options JSON은 직접 SQL 필터 어려우므로)
+        $query->where(function ($q) use ($startDate, $endDate) {
+            $q->whereBetween('received_date', [$startDate, $endDate]);
+        });
+
+        if (! empty($params['status'])) {
+            $dbStatus = QualityDocument::mapStatusFromFrontend($params['status']);
+            $query->where('status', $dbStatus);
+        }
+
+        return $query->orderBy('received_date')
+            ->get()
+            ->map(function (QualityDocument $doc) {
+                $options = $doc->options ?? [];
+                $inspection = $options['inspection'] ?? [];
+
+                return [
+                    'id' => $doc->id,
+                    'start_date' => $inspection['start_date'] ?? $doc->received_date?->format('Y-m-d'),
+                    'end_date' => $inspection['end_date'] ?? $doc->received_date?->format('Y-m-d'),
+                    'inspector' => $doc->inspector?->name ?? '',
+                    'site_name' => $doc->site_name,
+                    'status' => QualityDocument::mapStatusToFrontend($doc->status),
+                ];
+            })
+            ->values()
+            ->toArray();
+    }
+
+    /**
+     * 단건 조회
+     */
+    public function show(int $id)
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)
+            ->with([
+                'client',
+                'inspector:id,name',
+                'creator:id,name',
+                'documentOrders.order',
+                'locations.orderItem.node',
+            ])
+            ->find($id);
+
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return $this->transformToFrontend($doc, true);
+    }
+
+    /**
+     * 생성
+     */
+    public function store(array $data)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($data, $tenantId, $userId) {
+            // order_ids는 별도 처리 후 $data에서 제거
+            $orderIds = $data['order_ids'] ?? null;
+            unset($data['order_ids']);
+
+            $data['tenant_id'] = $tenantId;
+            $data['quality_doc_number'] = QualityDocument::generateDocNumber($tenantId);
+            $data['status'] = QualityDocument::STATUS_RECEIVED;
+            $data['created_by'] = $userId;
+
+            $doc = QualityDocument::create($data);
+
+            // 수주 연결
+            if (! empty($orderIds)) {
+                $this->syncOrders($doc, $orderIds, $tenantId);
+            }
+
+            $this->auditLogger->log(
+                $tenantId,
+                self::AUDIT_TARGET,
+                $doc->id,
+                'created',
+                null,
+                $doc->toArray()
+            );
+
+            $doc->load(['client', 'inspector:id,name', 'creator:id,name', 'documentOrders.order', 'locations.orderItem.node']);
+
+            // 요청서 Document(EAV) 자동생성
+            $this->syncRequestDocument($doc);
+
+            return $this->transformToFrontend($doc);
+        });
+    }
+
+    /**
+     * 수정
+     */
+    public function update(int $id, array $data)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)->find($id);
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        $beforeData = $doc->toArray();
+
+        return DB::transaction(function () use ($doc, $data, $userId, $beforeData, $tenantId) {
+            // order_ids, locations는 별도 처리 후 $data에서 제거
+            $orderIds = $data['order_ids'] ?? null;
+            $locations = $data['locations'] ?? null;
+            unset($data['order_ids'], $data['locations']);
+
+            $data['updated_by'] = $userId;
+
+            // options는 기존 값과 병합
+            if (isset($data['options'])) {
+                $existingOptions = $doc->options ?? [];
+                $data['options'] = array_replace_recursive($existingOptions, $data['options']);
+            }
+
+            $doc->update($data);
+
+            // 수주 동기화 (order_ids가 전달된 경우만)
+            if ($orderIds !== null) {
+                $this->syncOrders($doc, $orderIds, $tenantId);
+            }
+
+            // 개소별 데이터 업데이트 (시공규격, 변경사유, 검사데이터)
+            if (! empty($locations)) {
+                $this->updateLocations($doc->id, $locations);
+            }
+
+            $this->auditLogger->log(
+                $doc->tenant_id,
+                self::AUDIT_TARGET,
+                $doc->id,
+                'updated',
+                $beforeData,
+                $doc->fresh()->toArray()
+            );
+
+            $doc->load(['client', 'inspector:id,name', 'creator:id,name', 'documentOrders.order', 'locations.orderItem.node']);
+
+            // 요청서 Document(EAV) 동기화
+            $this->syncRequestDocument($doc);
+
+            return $this->transformToFrontend($doc);
+        });
+    }
+
+    /**
+     * 삭제
+     */
+    public function destroy(int $id)
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)->find($id);
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        if ($doc->isCompleted()) {
+            throw new BadRequestHttpException(__('error.quality.cannot_delete_completed'));
+        }
+
+        $beforeData = $doc->toArray();
+        $doc->deleted_by = $this->apiUserId();
+        $doc->save();
+        $doc->delete();
+
+        $this->auditLogger->log(
+            $tenantId,
+            self::AUDIT_TARGET,
+            $doc->id,
+            'deleted',
+            $beforeData,
+            null
+        );
+
+        return 'success';
+    }
+
+    /**
+     * 검사 완료 처리
+     */
+    public function complete(int $id)
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)
+            ->with(['locations'])
+            ->find($id);
+
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        if ($doc->isCompleted()) {
+            throw new BadRequestHttpException(__('error.quality.already_completed'));
+        }
+
+        // 미완료 개소 확인
+        $pendingCount = $doc->locations->where('inspection_status', QualityDocumentLocation::STATUS_PENDING)->count();
+        if ($pendingCount > 0) {
+            throw new BadRequestHttpException(__('error.quality.pending_locations', ['count' => $pendingCount]));
+        }
+
+        $beforeData = $doc->toArray();
+
+        return DB::transaction(function () use ($doc, $userId, $tenantId, $beforeData) {
+            $doc->update([
+                'status' => QualityDocument::STATUS_COMPLETED,
+                'updated_by' => $userId,
+            ]);
+
+            // 실적신고 자동 생성
+            $now = now();
+            PerformanceReport::firstOrCreate(
+                [
+                    'tenant_id' => $tenantId,
+                    'quality_document_id' => $doc->id,
+                ],
+                [
+                    'year' => $now->year,
+                    'quarter' => (int) ceil($now->month / 3),
+                    'confirmation_status' => PerformanceReport::STATUS_UNCONFIRMED,
+                    'created_by' => $userId,
+                ]
+            );
+
+            $this->auditLogger->log(
+                $tenantId,
+                self::AUDIT_TARGET,
+                $doc->id,
+                'completed',
+                $beforeData,
+                $doc->fresh()->toArray()
+            );
+
+            return $this->transformToFrontend($doc->load(['client', 'inspector:id,name', 'creator:id,name']));
+        });
+    }
+
+    /**
+     * 검사 미등록 수주 목록
+     */
+    public function availableOrders(array $params): array
+    {
+        $tenantId = $this->tenantId();
+        $q = trim((string) ($params['q'] ?? ''));
+        $clientId = $params['client_id'] ?? null;
+        $itemId = $params['item_id'] ?? null;
+
+        // 이미 연결된 수주 ID 목록
+        $linkedOrderIds = QualityDocumentOrder::whereHas('qualityDocument', function ($query) use ($tenantId) {
+            $query->where('tenant_id', $tenantId);
+        })->pluck('order_id');
+
+        $query = Order::where('tenant_id', $tenantId)
+            ->whereNotIn('id', $linkedOrderIds)
+            ->with(['item:id,name', 'nodes' => function ($q) {
+                $q->whereNull('parent_id')->orderBy('sort_order')
+                    ->with(['items' => function ($q2) {
+                        $q2->orderBy('sort_order')->limit(1);
+                    }]);
+            }])
+            ->withCount(['nodes as location_count' => function ($q) {
+                $q->whereNull('parent_id');
+            }]);
+
+        if ($q !== '') {
+            $query->where(function ($qq) use ($q) {
+                $qq->where('order_no', 'like', "%{$q}%")
+                    ->orWhere('site_name', 'like', "%{$q}%");
+            });
+        }
+
+        // 같은 거래처(발주처) 필터
+        if ($clientId) {
+            $query->where('client_id', $clientId);
+        }
+
+        // 같은 모델(품목) 필터
+        if ($itemId) {
+            $query->where('item_id', $itemId);
+        }
+
+        return $query->orderByDesc('id')
+            ->limit(50)
+            ->get()
+            ->map(fn ($order) => [
+                'id' => $order->id,
+                'order_number' => $order->order_no,
+                'site_name' => $order->site_name ?? '',
+                'client_id' => $order->client_id,
+                'client_name' => $order->client_name ?? '',
+                'item_id' => $order->item_id,
+                'item_name' => $order->item?->name ?? '',
+                'delivery_date' => $order->delivery_date?->format('Y-m-d') ?? '',
+                'location_count' => $order->location_count,
+                'locations' => $order->nodes->where('parent_id', null)->map(function ($node) {
+                    $item = $node->items->first();
+                    $options = $node->options ?? [];
+
+                    return [
+                        'node_id' => $node->id,
+                        'floor' => $item?->floor_code ?? $node->code ?? '',
+                        'symbol' => $item?->symbol_code ?? '',
+                        'order_width' => $options['width'] ?? 0,
+                        'order_height' => $options['height'] ?? 0,
+                    ];
+                })->values()->toArray(),
+            ])
+            ->toArray();
+    }
+
+    /**
+     * 개소별 데이터 업데이트
+     */
+    private function updateLocations(int $docId, array $locations): void
+    {
+        foreach ($locations as $locData) {
+            $locId = $locData['id'] ?? null;
+            if (! $locId) {
+                continue;
+            }
+
+            $location = QualityDocumentLocation::where('quality_document_id', $docId)->find($locId);
+            if (! $location) {
+                continue;
+            }
+
+            $updateData = [];
+            if (array_key_exists('post_width', $locData)) {
+                $updateData['post_width'] = $locData['post_width'];
+            }
+            if (array_key_exists('post_height', $locData)) {
+                $updateData['post_height'] = $locData['post_height'];
+            }
+            if (array_key_exists('change_reason', $locData)) {
+                $updateData['change_reason'] = $locData['change_reason'];
+            }
+            if (array_key_exists('inspection_data', $locData)) {
+                $updateData['inspection_data'] = $locData['inspection_data'];
+            }
+
+            if (! empty($updateData)) {
+                $location->update($updateData);
+            }
+        }
+    }
+
+    /**
+     * 수주 동기화 (update 시 사용)
+     */
+    private function syncOrders(QualityDocument $doc, array $orderIds, int $tenantId): void
+    {
+        $existingOrderIds = QualityDocumentOrder::where('quality_document_id', $doc->id)
+            ->pluck('order_id')
+            ->toArray();
+
+        $toAttach = array_diff($orderIds, $existingOrderIds);
+        $toDetach = array_diff($existingOrderIds, $orderIds);
+
+        // 새로 연결
+        foreach ($toAttach as $orderId) {
+            $order = Order::where('tenant_id', $tenantId)->find($orderId);
+            if (! $order) {
+                continue;
+            }
+
+            $docOrder = QualityDocumentOrder::firstOrCreate([
+                'quality_document_id' => $doc->id,
+                'order_id' => $orderId,
+            ]);
+
+            // 개소(root OrderNode) 기준으로 location 생성
+            $rootNodes = OrderNode::where('order_id', $orderId)
+                ->whereNull('parent_id')
+                ->orderBy('sort_order')
+                ->get();
+
+            foreach ($rootNodes as $node) {
+                // 각 개소의 대표 OrderItem (해당 노드 하위 첫 번째 품목)
+                $representativeItem = OrderItem::where('order_node_id', $node->id)
+                    ->orderBy('sort_order')
+                    ->first();
+
+                if ($representativeItem) {
+                    QualityDocumentLocation::firstOrCreate([
+                        'quality_document_id' => $doc->id,
+                        'quality_document_order_id' => $docOrder->id,
+                        'order_item_id' => $representativeItem->id,
+                    ]);
+                }
+            }
+        }
+
+        // 연결 해제
+        foreach ($toDetach as $orderId) {
+            $docOrder = QualityDocumentOrder::where('quality_document_id', $doc->id)
+                ->where('order_id', $orderId)
+                ->first();
+
+            if ($docOrder) {
+                QualityDocumentLocation::where('quality_document_order_id', $docOrder->id)->delete();
+                $docOrder->delete();
+            }
+        }
+    }
+
+    /**
+     * 수주 연결
+     */
+    public function attachOrders(int $docId, array $orderIds)
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)->find($docId);
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return DB::transaction(function () use ($doc, $orderIds, $tenantId) {
+            foreach ($orderIds as $orderId) {
+                $order = Order::where('tenant_id', $tenantId)->find($orderId);
+                if (! $order) {
+                    continue;
+                }
+
+                // 중복 체크
+                $docOrder = QualityDocumentOrder::firstOrCreate([
+                    'quality_document_id' => $doc->id,
+                    'order_id' => $orderId,
+                ]);
+
+                // 수주 연결 시 개소(root OrderNode)를 locations에 자동 생성
+                $rootNodes = OrderNode::where('order_id', $orderId)
+                    ->whereNull('parent_id')
+                    ->orderBy('sort_order')
+                    ->get();
+
+                foreach ($rootNodes as $node) {
+                    $representativeItem = OrderItem::where('order_node_id', $node->id)
+                        ->orderBy('sort_order')
+                        ->first();
+
+                    if ($representativeItem) {
+                        QualityDocumentLocation::firstOrCreate([
+                            'quality_document_id' => $doc->id,
+                            'quality_document_order_id' => $docOrder->id,
+                            'order_item_id' => $representativeItem->id,
+                        ]);
+                    }
+                }
+            }
+
+            // 상태를 진행중으로 변경 (접수 상태일 때)
+            if ($doc->isReceived()) {
+                $doc->update(['status' => QualityDocument::STATUS_IN_PROGRESS]);
+            }
+
+            $doc->load(['client', 'inspector:id,name', 'creator:id,name', 'documentOrders.order', 'locations.orderItem.node']);
+
+            // 요청서 Document(EAV) 동기화 (개소 추가됨)
+            $this->syncRequestDocument($doc);
+
+            return $this->transformToFrontend($doc);
+        });
+    }
+
+    /**
+     * 수주 연결 해제
+     */
+    public function detachOrder(int $docId, int $orderId)
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)->find($docId);
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        if ($doc->isCompleted()) {
+            throw new BadRequestHttpException(__('error.quality.cannot_modify_completed'));
+        }
+
+        $docOrder = QualityDocumentOrder::where('quality_document_id', $docId)
+            ->where('order_id', $orderId)
+            ->first();
+
+        if ($docOrder) {
+            // 해당 수주의 locations 삭제
+            QualityDocumentLocation::where('quality_document_order_id', $docOrder->id)->delete();
+            $docOrder->delete();
+        }
+
+        return $this->transformToFrontend(
+            $doc->load(['client', 'inspector:id,name', 'creator:id,name', 'documentOrders.order', 'locations.orderItem.node'])
+        );
+    }
+
+    /**
+     * 필수정보 계산
+     */
+    public function calculateRequiredInfo(QualityDocument $doc): string
+    {
+        $options = $doc->options ?? [];
+        $missing = 0;
+
+        $sections = [
+            'construction_site' => ['name', 'land_location', 'lot_number'],
+            'material_distributor' => ['company', 'address', 'ceo', 'phone'],
+            'contractor' => ['company', 'address', 'name', 'phone'],
+            'supervisor' => ['office', 'address', 'name', 'phone'],
+        ];
+
+        foreach ($sections as $section => $fields) {
+            $data = $options[$section] ?? [];
+            foreach ($fields as $field) {
+                if (empty($data[$field])) {
+                    $missing++;
+                    break; // 섹션 단위
+                }
+            }
+        }
+
+        return $missing === 0 ? '완료' : "{$missing}건 누락";
+    }
+
+    /**
+     * DB → 프론트엔드 변환
+     */
+    private function transformToFrontend(QualityDocument $doc, bool $detail = false): array
+    {
+        $options = $doc->options ?? [];
+
+        $result = [
+            'id' => $doc->id,
+            'quality_doc_number' => $doc->quality_doc_number,
+            'site_name' => $doc->site_name,
+            'client' => $doc->client?->name ?? '',
+            'location_count' => $doc->locations?->count() ?? 0,
+            'required_info' => $this->calculateRequiredInfo($doc),
+            'inspection_period' => $this->formatInspectionPeriod($options),
+            'inspector' => $doc->inspector?->name ?? '',
+            'status' => QualityDocument::mapStatusToFrontend($doc->status),
+            'author' => $doc->creator?->name ?? '',
+            'reception_date' => $doc->received_date?->format('Y-m-d'),
+            'manager' => $options['manager']['name'] ?? '',
+            'manager_contact' => $options['manager']['phone'] ?? '',
+        ];
+
+        // 요청서 Document ID (EAV)
+        $requestDoc = Document::where('tenant_id', $doc->tenant_id)
+            ->where('template_id', self::REQUEST_TEMPLATE_ID)
+            ->where('linkable_type', QualityDocument::class)
+            ->where('linkable_id', $doc->id)
+            ->first();
+        $result['request_document_id'] = $requestDoc?->id;
+
+        if ($detail) {
+            $result['construction_site'] = [
+                'site_name' => $options['construction_site']['name'] ?? '',
+                'land_location' => $options['construction_site']['land_location'] ?? '',
+                'lot_number' => $options['construction_site']['lot_number'] ?? '',
+            ];
+            $result['material_distributor'] = [
+                'company_name' => $options['material_distributor']['company'] ?? '',
+                'company_address' => $options['material_distributor']['address'] ?? '',
+                'representative_name' => $options['material_distributor']['ceo'] ?? '',
+                'phone' => $options['material_distributor']['phone'] ?? '',
+            ];
+            $result['constructor_info'] = [
+                'company_name' => $options['contractor']['company'] ?? '',
+                'company_address' => $options['contractor']['address'] ?? '',
+                'name' => $options['contractor']['name'] ?? '',
+                'phone' => $options['contractor']['phone'] ?? '',
+            ];
+            $result['supervisor'] = [
+                'office_name' => $options['supervisor']['office'] ?? '',
+                'office_address' => $options['supervisor']['address'] ?? '',
+                'name' => $options['supervisor']['name'] ?? '',
+                'phone' => $options['supervisor']['phone'] ?? '',
+            ];
+            $result['schedule_info'] = [
+                'visit_request_date' => $options['inspection']['request_date'] ?? '',
+                'start_date' => $options['inspection']['start_date'] ?? '',
+                'end_date' => $options['inspection']['end_date'] ?? '',
+                'inspector' => $doc->inspector?->name ?? '',
+                'site_postal_code' => $options['site_address']['postal_code'] ?? '',
+                'site_address' => $options['site_address']['address'] ?? '',
+                'site_address_detail' => $options['site_address']['detail'] ?? '',
+            ];
+
+            // 개소 목록 (각 location은 1개 root OrderNode = 1개 개소)
+            $result['order_items'] = $doc->locations->map(function ($loc) {
+                $orderItem = $loc->orderItem;
+                $node = $orderItem?->node;
+                $nodeOptions = $node?->options ?? [];
+                $order = $loc->qualityDocumentOrder?->order;
+
+                return [
+                    'id' => (string) $loc->id,
+                    'order_id' => $order?->id,
+                    'order_number' => $order?->order_no ?? '',
+                    'site_name' => $order?->site_name ?? '',
+                    'client_id' => $order?->client_id,
+                    'client_name' => $order?->client_name ?? '',
+                    'item_id' => $order?->item_id,
+                    'item_name' => $order?->item?->name ?? '',
+                    'delivery_date' => $order?->delivery_date ? $order->delivery_date->format('Y-m-d') : '',
+                    'floor' => $orderItem?->floor_code ?? '',
+                    'symbol' => $orderItem?->symbol_code ?? '',
+                    'order_width' => $nodeOptions['width'] ?? 0,
+                    'order_height' => $nodeOptions['height'] ?? 0,
+                    'construction_width' => $loc->post_width ?? 0,
+                    'construction_height' => $loc->post_height ?? 0,
+                    'change_reason' => $loc->change_reason ?? '',
+                    'inspection_data' => $loc->inspection_data,
+                    'document_id' => $loc->document_id,
+                ];
+            })->toArray();
+        }
+
+        return $result;
+    }
+
+    /**
+     * 개소별 검사 저장 (시공후 규격 + 검사 성적서)
+     */
+    public function inspectLocation(int $docId, int $locId, array $data)
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)->find($docId);
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        $location = QualityDocumentLocation::where('quality_document_id', $docId)->find($locId);
+        if (! $location) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return DB::transaction(function () use ($location, $data, $doc) {
+            $updateData = [];
+
+            if (isset($data['post_width'])) {
+                $updateData['post_width'] = $data['post_width'];
+            }
+            if (isset($data['post_height'])) {
+                $updateData['post_height'] = $data['post_height'];
+            }
+            if (isset($data['change_reason'])) {
+                $updateData['change_reason'] = $data['change_reason'];
+            }
+            if (isset($data['inspection_status'])) {
+                $updateData['inspection_status'] = $data['inspection_status'];
+            }
+            if (array_key_exists('inspection_data', $data)) {
+                $updateData['inspection_data'] = $data['inspection_data'];
+            }
+
+            if (! empty($updateData)) {
+                $location->update($updateData);
+            }
+
+            // 상태를 진행중으로 변경 (접수 상태일 때)
+            if ($doc->isReceived()) {
+                $doc->update(['status' => QualityDocument::STATUS_IN_PROGRESS]);
+            }
+
+            return $location->fresh()->toArray();
+        });
+    }
+
+    /**
+     * 검사제품요청서 데이터 (PDF/프린트용)
+     */
+    public function requestDocument(int $id): array
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)
+            ->with([
+                'client',
+                'inspector:id,name',
+                'documentOrders.order',
+                'locations.orderItem.node',
+            ])
+            ->find($id);
+
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        $options = $doc->options ?? [];
+
+        return [
+            'quality_doc_number' => $doc->quality_doc_number,
+            'site_name' => $doc->site_name,
+            'client' => $doc->client?->name ?? '',
+            'received_date' => $doc->received_date?->format('Y-m-d'),
+            'inspector' => $doc->inspector?->name ?? '',
+            'construction_site' => $options['construction_site'] ?? [],
+            'material_distributor' => $options['material_distributor'] ?? [],
+            'contractor' => $options['contractor'] ?? [],
+            'supervisor' => $options['supervisor'] ?? [],
+            'inspection' => $options['inspection'] ?? [],
+            'site_address' => $options['site_address'] ?? [],
+            'manager' => $options['manager'] ?? [],
+            'items' => $doc->locations->map(function ($loc) {
+                $orderItem = $loc->orderItem;
+                $node = $orderItem?->node;
+                $nodeOptions = $node?->options ?? [];
+                $order = $loc->qualityDocumentOrder?->order;
+
+                return [
+                    'order_number' => $order?->order_no ?? '',
+                    'floor' => $orderItem?->floor_code ?? '',
+                    'symbol' => $orderItem?->symbol_code ?? '',
+                    'item_name' => $orderItem?->item_name ?? '',
+                    'specification' => $orderItem?->specification ?? '',
+                    'order_width' => $nodeOptions['width'] ?? 0,
+                    'order_height' => $nodeOptions['height'] ?? 0,
+                    'quantity' => $orderItem?->quantity ?? 1,
+                ];
+            })->toArray(),
+        ];
+    }
+
+    /**
+     * 제품검사성적서 데이터 (documents EAV 연동)
+     */
+    public function resultDocument(int $id): array
+    {
+        $tenantId = $this->tenantId();
+
+        $doc = QualityDocument::where('tenant_id', $tenantId)
+            ->with([
+                'client',
+                'inspector:id,name',
+                'locations.orderItem.node',
+                'locations.document.data',
+                'locations.document.template',
+            ])
+            ->find($id);
+
+        if (! $doc) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        $options = $doc->options ?? [];
+
+        return [
+            'quality_doc_number' => $doc->quality_doc_number,
+            'site_name' => $doc->site_name,
+            'client' => $doc->client?->name ?? '',
+            'inspector' => $doc->inspector?->name ?? '',
+            'status' => QualityDocument::mapStatusToFrontend($doc->status),
+            'locations' => $doc->locations->map(function ($loc) {
+                $orderItem = $loc->orderItem;
+                $node = $orderItem?->node;
+                $nodeOptions = $node?->options ?? [];
+                $document = $loc->document;
+
+                $result = [
+                    'id' => $loc->id,
+                    'floor' => $orderItem?->floor_code ?? '',
+                    'symbol' => $orderItem?->symbol_code ?? '',
+                    'order_width' => $nodeOptions['width'] ?? 0,
+                    'order_height' => $nodeOptions['height'] ?? 0,
+                    'post_width' => $loc->post_width,
+                    'post_height' => $loc->post_height,
+                    'change_reason' => $loc->change_reason,
+                    'inspection_status' => $loc->inspection_status,
+                    'document_id' => $loc->document_id,
+                ];
+
+                // EAV 문서 데이터가 있으면 포함
+                if ($document) {
+                    $result['document'] = [
+                        'id' => $document->id,
+                        'document_no' => $document->document_no,
+                        'status' => $document->status,
+                        'template_id' => $document->template_id,
+                        'data' => $document->data?->map(fn ($d) => [
+                            'field_key' => $d->field_key,
+                            'field_value' => $d->field_value,
+                            'section_id' => $d->section_id,
+                            'column_id' => $d->column_id,
+                        ])->toArray() ?? [],
+                    ];
+                }
+
+                return $result;
+            })->toArray(),
+        ];
+    }
+
+    // =========================================================================
+    // 제품검사 요청서 Document 자동생성/동기화
+    // =========================================================================
+
+    private const REQUEST_TEMPLATE_ID = 66;
+
+    /**
+     * 요청서 Document(EAV) 동기화
+     *
+     * quality_document 생성/수정 시 호출.
+     * - Document 없으면 생성 (template_id=66, linkable=QualityDocument)
+     * - 기본필드 + 섹션 데이터 + 사전고지 테이블을 EAV로 매핑
+     */
+    private function syncRequestDocument(QualityDocument $doc): void
+    {
+        $tenantId = $doc->tenant_id;
+
+        // 템플릿 존재 확인
+        $template = DocumentTemplate::where('tenant_id', $tenantId)
+            ->where('id', self::REQUEST_TEMPLATE_ID)
+            ->with(['basicFields', 'sections.items', 'columns'])
+            ->first();
+
+        if (! $template) {
+            return; // 템플릿 미등록 시 스킵
+        }
+
+        // 기존 Document 조회 또는 생성
+        $document = Document::where('tenant_id', $tenantId)
+            ->where('template_id', self::REQUEST_TEMPLATE_ID)
+            ->where('linkable_type', QualityDocument::class)
+            ->where('linkable_id', $doc->id)
+            ->first();
+
+        if (! $document) {
+            $documentNo = $this->generateRequestDocumentNo($tenantId);
+            $document = Document::create([
+                'tenant_id' => $tenantId,
+                'template_id' => self::REQUEST_TEMPLATE_ID,
+                'document_no' => $documentNo,
+                'title' => '제품검사 요청서 - '.($doc->site_name ?? $doc->quality_doc_number),
+                'status' => Document::STATUS_DRAFT,
+                'linkable_type' => QualityDocument::class,
+                'linkable_id' => $doc->id,
+                'created_by' => $doc->created_by,
+                'updated_by' => $doc->updated_by ?? $doc->created_by,
+            ]);
+        } else {
+            // rendered_html 초기화 (데이터 변경 시 재캡처 필요)
+            $document->update([
+                'rendered_html' => null,
+                'updated_by' => $doc->updated_by ?? $doc->created_by,
+            ]);
+        }
+
+        // 기존 EAV 데이터 삭제 후 재생성
+        DocumentData::where('document_id', $document->id)->delete();
+
+        $options = $doc->options ?? [];
+        $eavData = [];
+
+        // 1. 기본필드 매핑 (quality_document → basicFields)
+        $fieldMapping = $this->buildBasicFieldMapping($doc, $options);
+        foreach ($template->basicFields as $bf) {
+            $value = $fieldMapping[$bf->field_key] ?? '';
+            if ($value !== '') {
+                $eavData[] = [
+                    'document_id' => $document->id,
+                    'section_id' => null,
+                    'column_id' => null,
+                    'row_index' => 0,
+                    'field_key' => $bf->field_key,
+                    'field_value' => (string) $value,
+                ];
+            }
+        }
+
+        // 2. 섹션 아이템 매핑 (options → section items)
+        $sectionMapping = $this->buildSectionMapping($options);
+        foreach ($template->sections as $section) {
+            if ($section->items->isEmpty()) {
+                continue; // 사전 고지 정보 섹션은 items가 없으므로 스킵
+            }
+            $sectionData = $sectionMapping[$section->title] ?? [];
+            foreach ($section->items as $item) {
+                $value = $sectionData[$item->item] ?? '';
+                if ($value !== '') {
+                    $eavData[] = [
+                        'document_id' => $document->id,
+                        'section_id' => $section->id,
+                        'column_id' => null,
+                        'row_index' => 0,
+                        'field_key' => $item->item, // item name as key
+                        'field_value' => (string) $value,
+                    ];
+                }
+            }
+        }
+
+        // 3. 사전고지 테이블 매핑 (locations → columns)
+        $doc->loadMissing(['locations.orderItem.node', 'locations.qualityDocumentOrder.order']);
+        $columns = $template->columns->sortBy('sort_order');
+
+        foreach ($doc->locations as $rowIdx => $loc) {
+            $orderItem = $loc->orderItem;
+            $node = $orderItem?->node;
+            $nodeOptions = $node?->options ?? [];
+            $order = $loc->qualityDocumentOrder?->order;
+
+            $rowData = [
+                'No.' => (string) ($rowIdx + 1),
+                '층수' => $orderItem?->floor_code ?? '',
+                '부호' => $orderItem?->symbol_code ?? '',
+                '발주 가로' => (string) ($nodeOptions['width'] ?? ''),
+                '발주 세로' => (string) ($nodeOptions['height'] ?? ''),
+                '시공 가로' => (string) ($loc->post_width ?? ''),
+                '시공 세로' => (string) ($loc->post_height ?? ''),
+                '변경사유' => $loc->change_reason ?? '',
+            ];
+
+            foreach ($columns as $col) {
+                $value = $rowData[$col->label] ?? '';
+                $eavData[] = [
+                    'document_id' => $document->id,
+                    'section_id' => null,
+                    'column_id' => $col->id,
+                    'row_index' => $rowIdx,
+                    'field_key' => $col->label,
+                    'field_value' => $value,
+                ];
+            }
+        }
+
+        // EAV 일괄 삽입
+        if (! empty($eavData)) {
+            DocumentData::insert(array_map(function ($d) {
+                $d['created_at'] = now();
+                $d['updated_at'] = now();
+
+                return $d;
+            }, $eavData));
+        }
+    }
+
+    /**
+     * 기본필드 매핑 (quality_document → template basicFields)
+     */
+    private function buildBasicFieldMapping(QualityDocument $doc, array $options): array
+    {
+        $manager = $options['manager'] ?? [];
+        $inspection = $options['inspection'] ?? [];
+        $siteAddress = $options['site_address'] ?? [];
+        $order = $doc->documentOrders?->first()?->order;
+
+        return [
+            'client' => $doc->client?->name ?? '',
+            'company_name' => $manager['company'] ?? '',
+            'manager' => $manager['name'] ?? '',
+            'order_number' => $order?->order_no ?? '',
+            'manager_contact' => $manager['phone'] ?? '',
+            'site_name' => $doc->site_name ?? '',
+            'delivery_date' => $order?->delivery_date?->format('Y-m-d') ?? '',
+            'site_address' => trim(($siteAddress['address'] ?? '').' '.($siteAddress['detail'] ?? '')),
+            'total_locations' => (string) ($doc->locations?->count() ?? 0),
+            'receipt_date' => $doc->received_date?->format('Y-m-d') ?? '',
+            'inspection_request_date' => $inspection['request_date'] ?? '',
+        ];
+    }
+
+    /**
+     * 섹션 데이터 매핑 (options → section items by section title)
+     */
+    private function buildSectionMapping(array $options): array
+    {
+        $cs = $options['construction_site'] ?? [];
+        $md = $options['material_distributor'] ?? [];
+        $ct = $options['contractor'] ?? [];
+        $sv = $options['supervisor'] ?? [];
+
+        return [
+            '건축공사장 정보' => [
+                '현장명' => $cs['name'] ?? '',
+                '대지위치' => $cs['land_location'] ?? '',
+                '지번' => $cs['lot_number'] ?? '',
+            ],
+            '자재유통업자 정보' => [
+                '회사명' => $md['company'] ?? '',
+                '주소' => $md['address'] ?? '',
+                '대표자' => $md['ceo'] ?? '',
+                '전화번호' => $md['phone'] ?? '',
+            ],
+            '공사시공자 정보' => [
+                '회사명' => $ct['company'] ?? '',
+                '주소' => $ct['address'] ?? '',
+                '성명' => $ct['name'] ?? '',
+                '전화번호' => $ct['phone'] ?? '',
+            ],
+            '공사감리자 정보' => [
+                '사무소명' => $sv['office'] ?? '',
+                '주소' => $sv['address'] ?? '',
+                '성명' => $sv['name'] ?? '',
+                '전화번호' => $sv['phone'] ?? '',
+            ],
+        ];
+    }
+
+    /**
+     * 요청서 문서번호 생성
+     */
+    private function generateRequestDocumentNo(int $tenantId): string
+    {
+        $prefix = 'REQ';
+        $date = now()->format('Ymd');
+
+        $lastNumber = Document::where('tenant_id', $tenantId)
+            ->where('document_no', 'like', "{$prefix}-{$date}-%")
+            ->orderByDesc('document_no')
+            ->value('document_no');
+
+        $sequence = $lastNumber ? (int) substr($lastNumber, -4) + 1 : 1;
+
+        return sprintf('%s-%s-%04d', $prefix, $date, $sequence);
+    }
+
+    private function formatInspectionPeriod(array $options): string
+    {
+        $inspection = $options['inspection'] ?? [];
+        $start = $inspection['start_date'] ?? '';
+        $end = $inspection['end_date'] ?? '';
+
+        if ($start && $end) {
+            return "{$start}~{$end}";
+        }
+
+        return $start ?: $end ?: '';
+    }
+}
diff --git a/app/Services/Quote/QuoteService.php b/app/Services/Quote/QuoteService.php
index 34e05e0..b42cc01 100644
--- a/app/Services/Quote/QuoteService.php
+++ b/app/Services/Quote/QuoteService.php
@@ -321,7 +321,7 @@ public function store(array $data): Quote
                 // 제품 정보
                 'product_category' => $data['product_category'] ?? Quote::CATEGORY_SCREEN,
                 'product_id' => $data['product_id'] ?? null,
-                'product_code' => $data['product_code'] ?? null,
+                'product_code' => $data['product_code'] ?? $this->extractProductCodeFromInputs($data),
                 'product_name' => $data['product_name'] ?? null,
                 // 규격 정보
                 'open_size_width' => $data['open_size_width'] ?? null,
@@ -418,7 +418,7 @@ public function update(int $id, array $data): Quote
                 // 제품 정보
                 'product_category' => $data['product_category'] ?? $quote->product_category,
                 'product_id' => $data['product_id'] ?? $quote->product_id,
-                'product_code' => $data['product_code'] ?? $quote->product_code,
+                'product_code' => $data['product_code'] ?? $this->extractProductCodeFromInputs($data) ?? $quote->product_code,
                 'product_name' => $data['product_name'] ?? $quote->product_name,
                 // 규격 정보
                 'open_size_width' => $data['open_size_width'] ?? $quote->open_size_width,
@@ -799,6 +799,22 @@ private function resolveLocationIndex(QuoteItem $quoteItem, array $productItems)
         return 0;
     }
 
+    /**
+     * calculation_inputs에서 첫 번째 개소의 productCode 추출
+     * 다중 개소 시 첫 번째를 대표값으로 사용
+     */
+    private function extractProductCodeFromInputs(array $data): ?string
+    {
+        $inputs = $data['calculation_inputs'] ?? null;
+        if (! $inputs || ! is_array($inputs)) {
+            return null;
+        }
+
+        $items = $inputs['items'] ?? [];
+
+        return $items[0]['productCode'] ?? null;
+    }
+
     /**
      * 수주번호 생성
      * 형식: ORD-YYMMDD-NNN (예: ORD-260105-001)
diff --git a/database/migrations/2026_02_27_000001_add_work_order_id_to_inspections_table.php b/database/migrations/2026_02_27_000001_add_work_order_id_to_inspections_table.php
new file mode 100644
index 0000000..f97f351
--- /dev/null
+++ b/database/migrations/2026_02_27_000001_add_work_order_id_to_inspections_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('inspections', function (Blueprint $table) {
+            $table->unsignedBigInteger('work_order_id')
+                ->nullable()
+                ->after('lot_no')
+                ->comment('작업지시 ID (PQC/FQC용)');
+
+            $table->foreign('work_order_id')
+                ->references('id')
+                ->on('work_orders')
+                ->nullOnDelete();
+
+            $table->index('work_order_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('inspections', function (Blueprint $table) {
+            $table->dropForeign(['work_order_id']);
+            $table->dropIndex(['work_order_id']);
+            $table->dropColumn('work_order_id');
+        });
+    }
+};
diff --git a/database/migrations/2026_03_05_180001_create_quality_documents_table.php b/database/migrations/2026_03_05_180001_create_quality_documents_table.php
new file mode 100644
index 0000000..3f5fa13
--- /dev/null
+++ b/database/migrations/2026_03_05_180001_create_quality_documents_table.php
@@ -0,0 +1,39 @@
+<?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::create('quality_documents', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained();
+            $table->string('quality_doc_number', 30)->comment('품질관리서 번호');
+            $table->string('site_name')->comment('현장명');
+            $table->string('status', 20)->default('received')->comment('received/in_progress/completed');
+            $table->foreignId('client_id')->nullable()->constrained('clients')->comment('수주처');
+            $table->foreignId('inspector_id')->nullable()->constrained('users')->comment('검사자');
+            $table->date('received_date')->nullable()->comment('접수일');
+            $table->json('options')->nullable()->comment('관련자정보, 검사정보, 현장주소 등');
+            $table->unsignedBigInteger('created_by')->nullable();
+            $table->unsignedBigInteger('updated_by')->nullable();
+            $table->unsignedBigInteger('deleted_by')->nullable();
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->unique(['tenant_id', 'quality_doc_number']);
+            $table->index(['tenant_id', 'status']);
+            $table->index(['tenant_id', 'client_id']);
+            $table->index(['tenant_id', 'inspector_id']);
+            $table->index(['tenant_id', 'received_date']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('quality_documents');
+    }
+};
\ No newline at end of file
diff --git a/database/migrations/2026_03_05_180002_create_quality_document_orders_table.php b/database/migrations/2026_03_05_180002_create_quality_document_orders_table.php
new file mode 100644
index 0000000..2b9e6b2
--- /dev/null
+++ b/database/migrations/2026_03_05_180002_create_quality_document_orders_table.php
@@ -0,0 +1,25 @@
+<?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::create('quality_document_orders', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('quality_document_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('order_id')->constrained('orders');
+            $table->timestamps();
+
+            $table->unique(['quality_document_id', 'order_id']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('quality_document_orders');
+    }
+};
\ No newline at end of file
diff --git a/database/migrations/2026_03_05_180003_create_quality_document_locations_table.php b/database/migrations/2026_03_05_180003_create_quality_document_locations_table.php
new file mode 100644
index 0000000..a3b8ba0
--- /dev/null
+++ b/database/migrations/2026_03_05_180003_create_quality_document_locations_table.php
@@ -0,0 +1,31 @@
+<?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::create('quality_document_locations', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('quality_document_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('quality_document_order_id')->constrained('quality_document_orders', 'id', 'qdl_qdo_id_fk')->cascadeOnDelete();
+            $table->foreignId('order_item_id')->constrained('order_items');
+            $table->integer('post_width')->nullable()->comment('시공후 가로');
+            $table->integer('post_height')->nullable()->comment('시공후 세로');
+            $table->string('change_reason')->nullable()->comment('규격 변경사유');
+            $table->foreignId('document_id')->nullable()->comment('검사성적서 문서 ID');
+            $table->string('inspection_status', 20)->default('pending')->comment('pending/completed');
+            $table->timestamps();
+
+            $table->index(['quality_document_id', 'inspection_status'], 'qdl_doc_id_status_index');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('quality_document_locations');
+    }
+};
\ No newline at end of file
diff --git a/database/migrations/2026_03_05_180004_create_performance_reports_table.php b/database/migrations/2026_03_05_180004_create_performance_reports_table.php
new file mode 100644
index 0000000..860966d
--- /dev/null
+++ b/database/migrations/2026_03_05_180004_create_performance_reports_table.php
@@ -0,0 +1,37 @@
+<?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::create('performance_reports', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained();
+            $table->foreignId('quality_document_id')->constrained();
+            $table->unsignedSmallInteger('year')->comment('연도');
+            $table->unsignedTinyInteger('quarter')->comment('분기 1-4');
+            $table->string('confirmation_status', 20)->default('unconfirmed')->comment('unconfirmed/confirmed/reported');
+            $table->date('confirmed_date')->nullable();
+            $table->foreignId('confirmed_by')->nullable()->constrained('users');
+            $table->text('memo')->nullable();
+            $table->unsignedBigInteger('created_by')->nullable();
+            $table->unsignedBigInteger('updated_by')->nullable();
+            $table->unsignedBigInteger('deleted_by')->nullable();
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->unique(['tenant_id', 'quality_document_id']);
+            $table->index(['tenant_id', 'year', 'quarter']);
+            $table->index(['tenant_id', 'confirmation_status']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('performance_reports');
+    }
+};
\ No newline at end of file
diff --git a/database/migrations/2026_03_06_094425_add_inspection_data_to_quality_document_locations.php b/database/migrations/2026_03_06_094425_add_inspection_data_to_quality_document_locations.php
new file mode 100644
index 0000000..d3e754a
--- /dev/null
+++ b/database/migrations/2026_03_06_094425_add_inspection_data_to_quality_document_locations.php
@@ -0,0 +1,22 @@
+<?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('quality_document_locations', function (Blueprint $table) {
+            $table->json('inspection_data')->nullable()->after('change_reason')->comment('검사 데이터 JSON');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('quality_document_locations', function (Blueprint $table) {
+            $table->dropColumn('inspection_data');
+        });
+    }
+};
diff --git a/routes/api/v1/quality.php b/routes/api/v1/quality.php
new file mode 100644
index 0000000..edebe9d
--- /dev/null
+++ b/routes/api/v1/quality.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * 품질관리 API 라우트 (v1)
+ *
+ * - 제품검사 (품질관리서)
+ * - 실적신고
+ */
+
+use App\Http\Controllers\Api\V1\PerformanceReportController;
+use App\Http\Controllers\Api\V1\QualityDocumentController;
+use Illuminate\Support\Facades\Route;
+
+// 제품검사 (품질관리서)
+Route::prefix('quality/documents')->group(function () {
+    Route::get('', [QualityDocumentController::class, 'index'])->name('v1.quality.documents.index');
+    Route::get('/stats', [QualityDocumentController::class, 'stats'])->name('v1.quality.documents.stats');
+    Route::get('/calendar', [QualityDocumentController::class, 'calendar'])->name('v1.quality.documents.calendar');
+    Route::get('/available-orders', [QualityDocumentController::class, 'availableOrders'])->name('v1.quality.documents.available-orders');
+    Route::post('', [QualityDocumentController::class, 'store'])->name('v1.quality.documents.store');
+    Route::get('/{id}', [QualityDocumentController::class, 'show'])->whereNumber('id')->name('v1.quality.documents.show');
+    Route::put('/{id}', [QualityDocumentController::class, 'update'])->whereNumber('id')->name('v1.quality.documents.update');
+    Route::delete('/{id}', [QualityDocumentController::class, 'destroy'])->whereNumber('id')->name('v1.quality.documents.destroy');
+    Route::patch('/{id}/complete', [QualityDocumentController::class, 'complete'])->whereNumber('id')->name('v1.quality.documents.complete');
+    Route::post('/{id}/orders', [QualityDocumentController::class, 'attachOrders'])->whereNumber('id')->name('v1.quality.documents.attach-orders');
+    Route::delete('/{id}/orders/{orderId}', [QualityDocumentController::class, 'detachOrder'])->whereNumber('id')->whereNumber('orderId')->name('v1.quality.documents.detach-order');
+    Route::post('/{id}/locations/{locId}/inspect', [QualityDocumentController::class, 'inspectLocation'])->whereNumber('id')->whereNumber('locId')->name('v1.quality.documents.inspect-location');
+    Route::get('/{id}/request-document', [QualityDocumentController::class, 'requestDocument'])->whereNumber('id')->name('v1.quality.documents.request-document');
+    Route::get('/{id}/result-document', [QualityDocumentController::class, 'resultDocument'])->whereNumber('id')->name('v1.quality.documents.result-document');
+});
+
+// 실적신고
+Route::prefix('quality/performance-reports')->group(function () {
+    Route::get('', [PerformanceReportController::class, 'index'])->name('v1.quality.performance-reports.index');
+    Route::get('/stats', [PerformanceReportController::class, 'stats'])->name('v1.quality.performance-reports.stats');
+    Route::get('/missing', [PerformanceReportController::class, 'missing'])->name('v1.quality.performance-reports.missing');
+    Route::patch('/confirm', [PerformanceReportController::class, 'confirm'])->name('v1.quality.performance-reports.confirm');
+    Route::patch('/unconfirm', [PerformanceReportController::class, 'unconfirm'])->name('v1.quality.performance-reports.unconfirm');
+    Route::patch('/memo', [PerformanceReportController::class, 'updateMemo'])->name('v1.quality.performance-reports.memo');
+});
diff --git a/routes/api/v1/stats.php b/routes/api/v1/stats.php
index eef2469..f9f61dc 100644
--- a/routes/api/v1/stats.php
+++ b/routes/api/v1/stats.php
@@ -17,3 +17,17 @@
     Route::get('/monthly', [StatController::class, 'monthly'])->name('v1.stats.monthly');
     Route::get('/alerts', [StatController::class, 'alerts'])->name('v1.stats.alerts');
 });
+
+// 미개발 Summary API (플레이스홀더 - 오류 방지용)
+$placeholderSummary = function () {
+    return response()->json([
+        'success' => true,
+        'message' => '해당 기능은 현재 준비 중입니다.',
+        'data' => null,
+    ]);
+};
+
+Route::get('production/summary', $placeholderSummary)->name('v1.production.summary');
+Route::get('construction/summary', $placeholderSummary)->name('v1.construction.summary');
+Route::get('unshipped/summary', $placeholderSummary)->name('v1.unshipped.summary');
+Route::get('attendance/summary', $placeholderSummary)->name('v1.attendance.summary');