refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

app/Http/Requests/Admin/ReportJobStoreRequest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Requests\Admin;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+/**
+ * 报表任务创建请求。
+ *
+ * @see ReportJobStoreController
+ */
+final class ReportJobStoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, array<int, mixed>>
+     */
+    public function rules(): array
+    {
+        return [
+            'report_type' => ['required', 'string', 'max:64'],
+            'parameters' => ['sometimes', 'array'],
+            'parameters.date_from' => ['sometimes', 'nullable', 'date_format:Y-m-d'],
+            'parameters.date_to' => ['sometimes', 'nullable', 'date_format:Y-m-d'],
+        ];
+    }
+}