feat: [생산지시] 전용 API + 자재투입/공정 개선

- ProductionOrder 전용 엔드포인트 (목록/통계/상세)
- 재고생산 보조공정 일반 워크플로우에서 분리
- 자재투입 replace 모드 + bom_group_key 개별 저장
- 공정단계 options 컬럼 추가 (검사 설정/범위)
- 셔터박스 prefix isStandard 파라미터 제거

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

database/migrations/2026_03_04_100000_add_bom_group_key_to_work_order_material_inputs.php

@@ -0,0 +1,26 @@
+<?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('work_order_material_inputs', function (Blueprint $table) {
+            $table->string('bom_group_key')->nullable()->after('item_id')
+                ->comment('BOM 그룹키 (같은 item_id의 다른 용도 구분, ex: itemId_category_partType)');
+
+            $table->index(['work_order_item_id', 'bom_group_key'], 'idx_womi_item_bomgroup');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('work_order_material_inputs', function (Blueprint $table) {
+            $table->dropIndex('idx_womi_item_bomgroup');
+            $table->dropColumn('bom_group_key');
+        });
+    }
+};

database/migrations/2026_03_04_100000_add_options_to_process_steps_table.php

@@ -0,0 +1,23 @@
+<?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('process_steps', function (Blueprint $table) {
+            $table->json('options')->nullable()->after('completion_type')
+                ->comment('검사설정, 검사범위 등 추가 옵션 JSON');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('process_steps', function (Blueprint $table) {
+            $table->dropColumn('options');
+        });
+    }
+};