fix(product): 設定 is_active 欄位預設為 true 並更新現有資料為啟用

database/migrations/tenant/2026_02_05_161624_add_is_active_to_products_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
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('products', function (Blueprint $table) {
+            $table->boolean('is_active')->default(true)->after('wholesale_price')->comment('是否啟用');
+        });
+
+        // 更新現有資料為啟用
+        \DB::table('products')->whereNull('is_active')->orWhere('is_active', false)->update(['is_active' => true]);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('products', function (Blueprint $table) {
+            $table->dropColumn('is_active');
+        });
+    }
+};