feat(阶段四): 创建 SOP 模板资源和页面

- 创建 SopTemplateResource 资源类
- 实现模板列表、创建、编辑、查看页面
- 添加步骤编辑器（Repeater 组件）
- 支持富文本编辑步骤内容
- 支持拖拽排序步骤
- 添加状态筛选和分类筛选
- 显示步骤数统计

app/Filament/Resources/SopTemplateResource/Pages/EditSopTemplate.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Filament\Resources\SopTemplateResource\Pages;
+
+use App\Filament\Actions\ArchiveSopTemplateAction;
+use App\Filament\Actions\ExportSopTemplateAction;
+use App\Filament\Actions\PreviewSopTemplateAction;
+use App\Filament\Actions\PublishSopTemplateAction;
+use App\Filament\Resources\SopTemplateResource;
+use Filament\Actions;
+use Filament\Resources\Pages\EditRecord;
+
+class EditSopTemplate extends EditRecord
+{
+    protected static string $resource = SopTemplateResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            PreviewSopTemplateAction::make(),
+            ExportSopTemplateAction::make(),
+            PublishSopTemplateAction::make(),
+            ArchiveSopTemplateAction::make(),
+            Actions\ViewAction::make(),
+            Actions\DeleteAction::make(),
+        ];
+    }
+}