feat: 富文本编辑

database/migrations/2026_04_15_000001_replace_html_url_with_content_on_guide_pages.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('guide_pages', function (Blueprint $table) {
+            $table->dropColumn('html_url');
+            $table->longText('content')->nullable()->after('title')->comment('富文本正文HTML');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('guide_pages', function (Blueprint $table) {
+            $table->dropColumn('content');
+            $table->string('html_url', 500)->after('title')->comment('HTML页面链接');
+        });
+    }
+};