feat:sales_partners 테이블에 상호/사업자등록번호/주소 컬럼 추가

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

database/migrations/2026_02_14_100000_add_business_info_to_sales_partners_table.php

@@ -0,0 +1,24 @@
+<?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('sales_partners', function (Blueprint $table) {
+            $table->string('company_name', 100)->nullable()->after('notes')->comment('상호');
+            $table->string('biz_no', 20)->nullable()->after('company_name')->comment('사업자등록번호');
+            $table->string('address', 255)->nullable()->after('biz_no')->comment('주소');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('sales_partners', function (Blueprint $table) {
+            $table->dropColumn(['company_name', 'biz_no', 'address']);
+        });
+    }
+};