M4: 插件框架（钩子系统/ZIP安装/市场客户端）+ blog-seo 插件（JSON-LD/OG/llms.txt/Markdown导出）+ 后台插件/主题管理页

app/Blog/Services/MarketplaceClient.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Blog\Services;
+
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\File;
+
+class MarketplaceClient
+{
+    /**
+     * 拉取市场包列表。
+     *
+     * @return array<int, array<string, mixed>>
+     */
+    public function items(): array
+    {
+        $url = config('market.url');
+
+        if (! $url) {
+            return [];
+        }
+
+        $response = Http::timeout(config('market.timeout', 15))
+            ->withToken(config('market.token', ''))
+            ->get(rtrim($url, '/').'/items');
+
+        $response->throw();
+
+        return $response->json('items', []);
+    }
+
+    public function download(string $url): string
+    {
+        $response = Http::timeout(60)->get($url);
+        $response->throw();
+
+        $tmp = storage_path('app/tmp/market-'.basename(parse_url($url, PHP_URL_PATH)));
+        File::ensureDirectoryExists(dirname($tmp));
+        File::put($tmp, $response->body());
+
+        return $tmp;
+    }
+}