批量对账

database/migrations/2026_09_07_000001_create_purchase_item_check_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     * 采购单单品对账标记：商品明细「已对账」勾选入库持久化（替代原前端 localStorage 本地标记）
+     */
+    public function up(): void
+    {
+        if (! Schema::hasTable('purchase_item_check')) {
+            Schema::create('purchase_item_check', function (Blueprint $table) {
+                $table->increments('id')->comment('标记ID');
+                $table->integer('purchase_id')->comment('采购单ID');
+                $table->integer('product_id')->comment('商品ID');
+                $table->integer('operator_id')->default(0)->comment('标记人（后台系统用户ID）');
+                $table->timestamps();
+                $table->unique(['purchase_id', 'product_id'], 'purchase_item_check_unique');
+                $table->comment('采购单单品对账标记表（商品明细「已对账」勾选）');
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('purchase_item_check');
+    }
+};