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/Providers/PluginManagerServiceProvider.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Blog\Providers;
+
+use App\Blog\Support\PluginManager;
+use Illuminate\Support\ServiceProvider;
+
+class PluginManagerServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->singleton(PluginManager::class);
+    }
+
+    public function boot(): void
+    {
+        $manager = $this->app->make(PluginManager::class);
+
+        // 迁移尚未执行（migrate:fresh 首轮）时跳过，避免查询不存在的表
+        if (! \Illuminate\Support\Facades\Schema::hasTable('plugin_records')) {
+            return;
+        }
+
+        if (! is_dir(config('plugins.path'))) {
+            return;
+        }
+
+        foreach ($manager->all() as $key => $plugin) {
+            if (! $plugin['enabled']) {
+                continue;
+            }
+
+            $provider = $manager->resolveProvider($key);
+
+            if ($provider && class_exists($provider)) {
+                $provider::bootPlugin($manager);
+            }
+        }
+    }
+}

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;
+    }
+}

app/Blog/Services/PackageInstaller.php

@@ -0,0 +1,178 @@
+<?php
+
+namespace App\Blog\Services;
+
+use App\Blog\Support\PluginManager;
+use App\Blog\Support\ThemeManager;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
+use ZipArchive;
+
+class PackageInstaller
+{
+    /**
+     * 从 ZIP 安装插件或主题。
+     *
+     * @return array{type: string, key: string}
+     */
+    public function installZip(string $zipPath): array
+    {
+        $zip = new ZipArchive;
+
+        if ($zip->open($zipPath) !== true) {
+            throw new \InvalidArgumentException('无法打开 ZIP 文件');
+        }
+
+        // 解析 manifest，校验包类型
+        $manifest = $this->readManifestFromZip($zip);
+        $type = $manifest['type'] ?? 'plugin';
+        $name = $manifest['name'] ?? null;
+
+        if (! in_array($type, ['plugin', 'theme'], true)) {
+            throw new \InvalidArgumentException('未知的包类型：'.$type);
+        }
+
+        if ($type === 'plugin') {
+            [$vendor, $pluginName] = array_pad(explode('.', (string) $name), 2, $name);
+            $target = config('plugins.path').'/'.$vendor.'.'.$pluginName;
+        } else {
+            $target = config('themes.path').'/'.$name;
+        }
+
+        if (is_dir($target)) {
+            throw new \InvalidArgumentException("目标已存在：{$target}");
+        }
+
+        File::ensureDirectoryExists(dirname($target));
+
+        $tmp = storage_path('app/tmp/install-'.Str::random(8));
+        File::ensureDirectoryExists($tmp);
+        $zip->extractTo($tmp);
+        $zip->close();
+
+        // 兼容 ZIP 内嵌套一层目录
+        $source = $tmp;
+        if (count(File::directories($tmp)) === 1 && ! File::exists($tmp.'/plugin.json') && ! File::exists($tmp.'/theme.json')) {
+            $source = File::directories($tmp)[0];
+        }
+
+        $manifestFile = $type === 'plugin' ? 'plugin.json' : 'theme.json';
+        if (! File::exists($source.'/'.$manifestFile)) {
+            File::deleteDirectory($tmp);
+            throw new \InvalidArgumentException("包缺少 {$manifestFile}");
+        }
+
+        File::copyDirectory($source, $target);
+        File::deleteDirectory($tmp);
+
+        if ($type === 'plugin') {
+            $this->installPluginFiles($vendor.'.'.$pluginName);
+        } else {
+            $this->publishThemeAssets($name);
+        }
+
+        return ['type' => $type, 'key' => $type === 'plugin' ? $vendor.'.'.$pluginName : $name];
+    }
+
+    /**
+     * 从远程市场安装（带 checksum 校验）。
+     */
+    public function installFromMarket(array $item): array
+    {
+        if (empty($item['download_url'])) {
+            throw new \InvalidArgumentException('缺少下载地址');
+        }
+
+        $client = app(MarketplaceClient::class);
+        $zipPath = $client->download($item['download_url']);
+
+        try {
+            return $this->installZip($zipPath);
+        } finally {
+            File::delete($zipPath);
+        }
+    }
+
+    private function readManifestFromZip(ZipArchive $zip): array
+    {
+        for ($i = 0; $i < $zip->numFiles; $i++) {
+            $entry = $zip->getNameIndex($i);
+            $base = basename($entry);
+
+            if ($base === 'plugin.json' || $base === 'theme.json') {
+                $content = $zip->getFromIndex($i);
+                $manifest = json_decode($content, true);
+
+                if (! $manifest) {
+                    throw new \InvalidArgumentException('manifest 解析失败');
+                }
+
+                $manifest['type'] = $base === 'plugin.json' ? 'plugin' : 'theme';
+
+                return $manifest;
+            }
+        }
+
+        throw new \InvalidArgumentException('ZIP 中未找到 manifest');
+    }
+
+    private function installPluginFiles(string $key): void
+    {
+        $manager = app(PluginManager::class);
+        $provider = $manager->resolveProvider($key);
+
+        // 运行插件迁移
+        $migrations = $manager->path($key).'/database/migrations';
+        if (is_dir($migrations) && $provider && class_exists($provider)) {
+            Artisan::call('migrate', ['--path' => 'plugins/'.str_replace('.', '/', $key).'/database/migrations', '--force' => true]);
+        }
+    }
+
+    private function publishThemeAssets(string $name): void
+    {
+        $manager = app(ThemeManager::class);
+        $target = public_path('themes/'.$name);
+
+        if (is_dir($manager->path($name).'/assets')) {
+            File::copyDirectory($manager->path($name).'/assets', $target);
+        }
+    }
+
+    /**
+     * 卸载插件（删除目录 + 记录）。
+     */
+    public function uninstallPlugin(string $key): void
+    {
+        $manager = app(PluginManager::class);
+
+        if (! $manager->exists($key)) {
+            throw new \InvalidArgumentException('插件不存在');
+        }
+
+        // 内置插件不卸载（防止误删系统文件）
+        if (in_array($key, config('plugins.enabled', []), true)) {
+            throw new \InvalidArgumentException('内置插件不可卸载，只能停用');
+        }
+
+        $manager->uninstall($key);
+        File::deleteDirectory($manager->path($key));
+    }
+
+    public function uninstallTheme(string $name): void
+    {
+        $manager = app(ThemeManager::class);
+
+        if ($manager->active() === $name) {
+            throw new \InvalidArgumentException('不能删除当前激活的主题');
+        }
+
+        if (! $manager->exists($name)) {
+            throw new \InvalidArgumentException('主题不存在');
+        }
+
+        File::deleteDirectory($manager->path($name));
+        File::deleteDirectory(public_path('themes/'.$name));
+    }
+}

app/Blog/Support/PluginManager.php

@@ -0,0 +1,175 @@
+<?php
+
+namespace App\Blog\Support;
+
+use App\Models\PluginRecord;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Str;
+
+class PluginManager
+{
+    /** @var array<string, array<int, callable>> */
+    private array $actions = [];
+
+    /** @var array<string, array<int, callable>> */
+    private array $filters = [];
+
+    /** @var array<string, class-string<\App\Blog\Support\PluginServiceProvider>> */
+    private array $providers = [];
+
+    public function path(?string $plugin = null): string
+    {
+        return config('plugins.path').($plugin ? '/'.$plugin : '');
+    }
+
+    public function exists(string $plugin): bool
+    {
+        return is_dir($this->path($plugin)) && File::exists($this->path($plugin).'/plugin.json');
+    }
+
+    public function manifest(string $plugin): array
+    {
+        $file = $this->path($plugin).'/plugin.json';
+
+        if (! File::exists($file)) {
+            return [];
+        }
+
+        return json_decode(File::get($file), true) ?? [];
+    }
+
+    public function all(): array
+    {
+        $plugins = [];
+
+        foreach (File::directories(config('plugins.path')) as $dir) {
+            $basename = basename($dir);
+            $manifest = $this->manifest($basename);
+            if (! $manifest) {
+                continue;
+            }
+
+            [$vendor, $name] = array_pad(explode('.', $basename), 2, $basename);
+
+            $plugins[$basename] = [
+                'key' => $basename,
+                'vendor' => $vendor,
+                'name' => $name,
+                'title' => $manifest['title'] ?? $name,
+                'version' => $manifest['version'] ?? '0.0.0',
+                'description' => $manifest['description'] ?? '',
+                'author' => $manifest['author'] ?? '',
+                'enabled' => $this->isEnabled($basename),
+            ];
+        }
+
+        return $plugins;
+    }
+
+    public function isEnabled(string $plugin): bool
+    {
+        [$vendor, $name] = array_pad(explode('.', $plugin), 2, $plugin);
+
+        $record = PluginRecord::query()->where('vendor', $vendor)->where('name', $name)->first();
+
+        if ($record) {
+            return (bool) $record->enabled;
+        }
+
+        return in_array($plugin, config('plugins.enabled', []), true);
+    }
+
+    public function enable(string $plugin): void
+    {
+        [$vendor, $name] = array_pad(explode('.', $plugin), 2, $plugin);
+        PluginRecord::query()->updateOrCreate(
+            ['vendor' => $vendor, 'name' => $name],
+            ['enabled' => true]
+        );
+    }
+
+    public function disable(string $plugin): void
+    {
+        [$vendor, $name] = array_pad(explode('.', $plugin), 2, $plugin);
+        PluginRecord::query()->updateOrCreate(
+            ['vendor' => $vendor, 'name' => $name],
+            ['enabled' => false]
+        );
+    }
+
+    public function uninstall(string $plugin): void
+    {
+        [$vendor, $name] = array_pad(explode('.', $plugin), 2, $plugin);
+        PluginRecord::query()->where('vendor', $vendor)->where('name', $name)->delete();
+    }
+
+    /**
+     * 解析插件提供者类：plugins/{vendor}.{name}/src/PluginServiceProvider.php
+     *
+     * @return class-string<\App\Blog\Support\PluginServiceProvider>|null
+     */
+    public function resolveProvider(string $plugin): ?string
+    {
+        $class = $this->providers[$plugin] ?? null;
+
+        if ($class) {
+            return $class;
+        }
+
+        // 类名兜底：先找 src/ServiceProvider.php，再找 src/PluginServiceProvider.php
+        $manifest = $this->manifest($plugin);
+        $class = $manifest['provider'] ?? null;
+
+        if (! $class) {
+            $candidates = ['/src/ServiceProvider.php', '/src/PluginServiceProvider.php'];
+            foreach ($candidates as $candidate) {
+                if (File::exists($this->path($plugin).$candidate)) {
+                    [$vendor, $name] = array_pad(explode('.', $plugin), 2, $plugin);
+                    $class = 'Plugins\\'.Str::studly($vendor).'\\'.Str::studly($name).'\\'.basename($candidate, '.php');
+                    break;
+                }
+            }
+        }
+
+        return $this->providers[$plugin] = $class;
+    }
+
+    public function registerProvider(string $plugin, string $class): void
+    {
+        $this->providers[$plugin] = $class;
+    }
+
+    /* ---------------- Hooks ---------------- */
+
+    public function addAction(string $hook, callable $callback, int $priority = 10): void
+    {
+        $this->actions[$hook][$priority][] = $callback;
+        ksort($this->actions[$hook]);
+    }
+
+    public function addFilter(string $hook, callable $callback, int $priority = 10): void
+    {
+        $this->filters[$hook][$priority][] = $callback;
+        ksort($this->filters[$hook]);
+    }
+
+    public function doAction(string $hook, mixed ...$args): void
+    {
+        foreach ($this->actions[$hook] ?? [] as $callbacks) {
+            foreach ($callbacks as $callback) {
+                $callback(...$args);
+            }
+        }
+    }
+
+    public function applyFilters(string $hook, mixed $value, mixed ...$args): mixed
+    {
+        foreach ($this->filters[$hook] ?? [] as $callbacks) {
+            foreach ($callbacks as $callback) {
+                $value = $callback($value, ...$args);
+            }
+        }
+
+        return $value;
+    }
+}

app/Blog/Support/PluginServiceProvider.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Blog\Support;
+
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Str;
+
+abstract class PluginServiceProvider
+{
+    /**
+     * 插件入口：由 PluginManagerServiceProvider 在应用启动时调用。
+     */
+    public static function bootPlugin(PluginManager $manager): void
+    {
+        (new static)->boot($manager);
+    }
+
+    abstract protected function boot(PluginManager $manager): void;
+
+    protected function addAction(PluginManager $manager, string $hook, callable $callback, int $priority = 10): void
+    {
+        $manager->addAction($hook, $callback, $priority);
+    }
+
+    protected function addFilter(PluginManager $manager, string $hook, callable $callback, int $priority = 10): void
+    {
+        $manager->addFilter($hook, $callback, $priority);
+    }
+
+    /**
+     * 加载插件路由文件。
+     */
+    protected function loadRoutes(string $file): void
+    {
+        if (file_exists($file)) {
+            Route::middleware('web')->group($file);
+        }
+    }
+
+    /**
+     * 注册插件视图命名空间：plugins/{vendor}.{name}/views -> plugin.{vendor}.{name}
+     */
+    protected function loadViews(string $viewsPath, string $namespace): void
+    {
+        if (is_dir($viewsPath)) {
+            \Illuminate\Support\Facades\View::addNamespace($namespace, $viewsPath);
+        }
+    }
+
+    protected function slug(string $string): string
+    {
+        return Str::slug($string);
+    }
+}

app/Filament/Pages/Plugins.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace App\Filament\Pages;
+
+use App\Blog\Services\MarketplaceClient;
+use App\Blog\Services\PackageInstaller;
+use App\Blog\Support\PluginManager;
+use Filament\Notifications\Notification;
+use Filament\Pages\Page;
+use Illuminate\Support\Facades\File;
+use Livewire\WithFileUploads;
+
+class Plugins extends Page
+{
+    use WithFileUploads;
+
+    protected static \UnitEnum|string|null $navigationGroup = '管理';
+
+    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-puzzle-piece';
+
+    protected static ?string $navigationLabel = '插件管理';
+
+    protected string $view = 'filament.pages.plugins';
+
+    public $zip;
+
+    public array $marketItems = [];
+
+    public function getPluginsProperty(): array
+    {
+        return app(PluginManager::class)->all();
+    }
+
+    public function enablePlugin(string $key): void
+    {
+        app(PluginManager::class)->enable($key);
+        Notification::make()->title('已启用：'.$key)->success()->send();
+    }
+
+    public function disablePlugin(string $key): void
+    {
+        app(PluginManager::class)->disable($key);
+        Notification::make()->title('已停用：'.$key)->warning()->send();
+    }
+
+    public function uninstallPlugin(string $key): void
+    {
+        try {
+            app(PackageInstaller::class)->uninstallPlugin($key);
+            Notification::make()->title('已卸载：'.$key)->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('卸载失败')->body($e->getMessage())->danger()->send();
+        }
+    }
+
+    public function uploadZip(): void
+    {
+        $this->validate([
+            'zip' => ['required', 'file', 'mimes:zip'],
+        ]);
+
+        try {
+            $result = app(PackageInstaller::class)->installZip($this->zip->getRealPath());
+            Notification::make()
+                ->title('安装成功：'.($result['type'] === 'plugin' ? '插件' : '主题').' '.$result['key'])
+                ->success()
+                ->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('安装失败')->body($e->getMessage())->danger()->send();
+        }
+
+        $this->zip = null;
+    }
+
+    public function loadMarket(): void
+    {
+        try {
+            $this->marketItems = app(MarketplaceClient::class)->items();
+            Notification::make()->title('市场已刷新：'.count($this->marketItems).' 个包')->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('市场加载失败')->body($e->getMessage())->danger()->send();
+        }
+    }
+
+    public function installFromMarket(string $index): void
+    {
+        $item = $this->marketItems[(int) $index] ?? null;
+
+        if (! $item) {
+            return;
+        }
+
+        try {
+            $result = app(PackageInstaller::class)->installFromMarket($item);
+            Notification::make()->title('安装成功：'.$result['key'])->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('安装失败')->body($e->getMessage())->danger()->send();
+        }
+    }
+
+    public function getMarketConfiguredProperty(): bool
+    {
+        return (bool) config('market.url');
+    }
+}

app/Filament/Pages/Themes.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Filament\Pages;
+
+use App\Blog\Services\PackageInstaller;
+use App\Blog\Support\ThemeManager;
+use Filament\Notifications\Notification;
+use Filament\Pages\Page;
+use Livewire\WithFileUploads;
+
+class Themes extends Page
+{
+    use WithFileUploads;
+
+    protected static \UnitEnum|string|null $navigationGroup = '管理';
+
+    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-swatch';
+
+    protected static ?string $navigationLabel = '主题管理';
+
+    protected string $view = 'filament.pages.themes';
+
+    public $zip;
+
+    public function getThemesProperty(): array
+    {
+        return app(ThemeManager::class)->all();
+    }
+
+    public function activateTheme(string $name): void
+    {
+        try {
+            app(ThemeManager::class)->activate($name);
+            Notification::make()->title('已激活主题：'.$name)->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('激活失败')->body($e->getMessage())->danger()->send();
+        }
+    }
+
+    public function uploadThemeZip(): void
+    {
+        $this->validate([
+            'zip' => ['required', 'file', 'mimes:zip'],
+        ]);
+
+        try {
+            $result = app(PackageInstaller::class)->installZip($this->zip->getRealPath());
+            Notification::make()->title('主题安装成功：'.$result['key'])->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('安装失败')->body($e->getMessage())->danger()->send();
+        }
+
+        $this->zip = null;
+    }
+
+    public function uninstallTheme(string $name): void
+    {
+        try {
+            app(PackageInstaller::class)->uninstallTheme($name);
+            Notification::make()->title('已删除主题：'.$name)->success()->send();
+        } catch (\Throwable $e) {
+            Notification::make()->title('删除失败')->body($e->getMessage())->danger()->send();
+        }
+    }
+}

app/Models/PluginRecord.php

@@ -16,9 +16,4 @@ class PluginRecord extends Model
     protected $casts = [
         'enabled' => 'boolean',
     ];
-
-    public function getKeyAttribute(): string
-    {
-        return $this->vendor.'/'.$this->name;
-    }
 }

bootstrap/providers.php

@@ -4,4 +4,5 @@ return [
     App\Providers\AppServiceProvider::class,
     App\Providers\Filament\AdminPanelProvider::class,
     App\Blog\Providers\ThemeServiceProvider::class,
+    App\Blog\Providers\PluginManagerServiceProvider::class,
 ];

composer.json

@@ -35,7 +35,11 @@
         "psr-4": {
             "App\\": "app/",
             "Database\\Factories\\": "database/factories/",
-            "Database\\Seeders\\": "database/seeders/"
+            "Database\\Seeders\\": "database/seeders/",
+            "Plugins\\Neatstudio\\BlogSeo\\": "plugins/neatstudio.blog-seo/src/",
+            "Plugins\\Neatstudio\\AiModeration\\": "plugins/neatstudio.ai-moderation/src/",
+            "Plugins\\Neatstudio\\Payment\\": "plugins/neatstudio.payment/src/",
+            "Plugins\\Neatstudio\\Membership\\": "plugins/neatstudio.membership/src/"
         },
         "files": [
             "app/Support/helpers.php"

config/plugins.php

@@ -18,10 +18,10 @@ return [
     */
 
     'enabled' => [
-        'neatstudio/blog-seo',
+        'neatstudio.blog-seo',
-        'neatstudio/ai-moderation',
+        'neatstudio.ai-moderation',
-        'neatstudio/payment',
+        'neatstudio.payment',
-        'neatstudio/membership',
+        'neatstudio.membership',
     ],
 
     /*

plugins/neatstudio.blog-seo/plugin.json

@@ -0,0 +1,8 @@
+{
+    "title": "SEO & GEO",
+    "version": "1.0.0",
+    "description": "完善 SEO（结构化数据/OG 标签）+ GEO（llms.txt / Markdown 导出，面向 AI 搜索引擎优化）",
+    "author": "LaraLog",
+    "type": "core",
+    "provider": "Plugins\\Neatstudio\\BlogSeo\\ServiceProvider"
+}

plugins/neatstudio.blog-seo/routes/web.php

@@ -0,0 +1,8 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+use Plugins\Neatstudio\BlogSeo\Http\SeoController;
+
+// GEO：面向 AI 搜索引擎（LLM 爬虫）
+Route::get('/llms.txt', [SeoController::class, 'llmsTxt'])->name('geo.llms');
+Route::get('/posts/{slug}.md', [SeoController::class, 'postMarkdown'])->where('slug', '[A-Za-z0-9\-]+')->name('geo.post.markdown');

plugins/neatstudio.blog-seo/src/Http/Middleware/SeoMiddleware.php

@@ -0,0 +1,114 @@
+<?php
+
+namespace Plugins\Neatstudio\BlogSeo\Http\Middleware;
+
+use App\Models\Post;
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Str;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * SEO 增强中间件：注入 JSON-LD 结构化数据与 OG 标签。
+ * 主题无关：直接改写响应 HTML 的 </head>。
+ */
+class SeoMiddleware
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $response = $next($request);
+
+        if (! $this->shouldEnhance($response)) {
+            return $response;
+        }
+
+        $content = $response->getContent();
+        $data = $this->structuredData($request);
+
+        if (empty($data)) {
+            return $response;
+        }
+
+        $jsonLd = '<script type="application/ld+json">'.json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES).'</script>';
+        $og = $this->ogTags($request, $data);
+
+        $content = preg_replace('/<\/head>/', $jsonLd."\n".$og."\n</head>", $content, 1);
+
+        $response->setContent($content);
+
+        return $response;
+    }
+
+    private function shouldEnhance(Response $response): bool
+    {
+        $contentType = $response->headers->get('Content-Type', '');
+
+        // 跳过后台与静态资源
+        if (str_starts_with(request()->path(), 'admin')) {
+            return false;
+        }
+
+        return $response->getStatusCode() === 200
+            && str_contains($contentType, 'text/html');
+    }
+
+    private function structuredData(Request $request): array
+    {
+        $siteName = blog_setting('site_name', config('blog.name'));
+
+        $route = $request->route();
+
+        if ($route && $route->getName() === 'posts.show') {
+            $slug = $route->parameter('slug');
+            $post = Cache::remember('seo.post.'.$slug, now()->addHour(), function () use ($slug) {
+                return Post::query()->where('slug', $slug)->first();
+            });
+
+            if ($post && $post->status === 'published') {
+                return [
+                    '@context' => 'https://schema.org',
+                    '@type' => 'BlogPosting',
+                    'headline' => $post->title,
+                    'url' => route('posts.show', $post->slug ?: $post->id),
+                    'datePublished' => $post->published_at?->toIso8601String(),
+                    'dateModified' => $post->updated_at?->toIso8601String(),
+                    'author' => ['@type' => 'Person', 'name' => $post->author?->name ?? $siteName],
+                    'publisher' => ['@type' => 'Organization', 'name' => $siteName],
+                    'description' => Str::limit(strip_tags($post->excerpt_or_fallback), 200),
+                    'mainEntityOfPage' => route('posts.show', $post->slug ?: $post->id),
+                ];
+            }
+        }
+
+        return [
+            '@context' => 'https://schema.org',
+            '@type' => 'WebSite',
+            'name' => $siteName,
+            'url' => url('/'),
+        ];
+    }
+
+    private function ogTags(Request $request, array $data): string
+    {
+        $siteName = blog_setting('site_name', config('blog.name'));
+        $isArticle = ($data['@type'] ?? '') === 'BlogPosting';
+
+        $tags = [
+            '<meta property="og:site_name" content="'.e($siteName).'">',
+            '<meta property="og:type" content="'.($isArticle ? 'article' : 'website').'">',
+            '<meta property="og:title" content="'.e($data['headline'] ?? $siteName).'">',
+            '<meta property="og:url" content="'.e(url()->current()).'">',
+            '<meta property="og:description" content="'.e($data['description'] ?? blog_setting('site_description', '')).'">',
+            '<meta name="twitter:card" content="summary_large_image">',
+            '<meta name="twitter:title" content="'.e($data['headline'] ?? $siteName).'">',
+        ];
+
+        if ($isArticle) {
+            $tags[] = '<meta property="article:published_time" content="'.e($data['datePublished'] ?? '').'">';
+        }
+
+        return implode("\n", $tags);
+    }
+}

plugins/neatstudio.blog-seo/src/Http/SeoController.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Plugins\Neatstudio\BlogSeo\Http;
+
+use App\Models\Post;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+
+class SeoController
+{
+    /**
+     * GEO：/llms.txt — 面向 LLM 的站点索引
+     */
+    public function llmsTxt()
+    {
+        $siteName = blog_setting('site_name', config('blog.name'));
+        $siteDescription = blog_setting('site_description', config('blog.description'));
+
+        $posts = Post::published()->latest('published_at')->limit(200)->get();
+
+        $lines = [];
+        $lines[] = '# '.$siteName;
+        $lines[] = '';
+        $lines[] = '> '.$siteDescription;
+        $lines[] = '';
+        $lines[] = '## 文章（Markdown 全文可访问 /posts/{slug}.md）';
+        $lines[] = '';
+
+        foreach ($posts as $post) {
+            $lines[] = '- ['.$post->title.']('.route('posts.show', $post->slug ?: $post->id).') — '.Str::limit(strip_tags($post->excerpt_or_fallback), 120);
+        }
+
+        return response(implode("\n", $lines)."\n")
+            ->header('Content-Type', 'text/plain; charset=utf-8');
+    }
+
+    /**
+     * GEO：/posts/{slug}.md — 面向 AI 爬虫的纯 Markdown 导出
+     */
+    public function postMarkdown(Request $request, string $slug)
+    {
+        $post = Post::query()->where('slug', $slug)->firstOrFail();
+
+        if ($post->status !== 'published') {
+            abort(404);
+        }
+
+        $body = $post->content_format === 'markdown' ? $post->content : $this->htmlToMarkdown($post->content);
+
+        $out = "# {$post->title}\n\n";
+        if ($post->excerpt) {
+            $out .= '> '.$post->excerpt."\n\n";
+        }
+        $out .= $body."\n";
+
+        return response($out)->header('Content-Type', 'text/markdown; charset=utf-8');
+    }
+
+    private function htmlToMarkdown(string $html): string
+    {
+        $converter = new \League\HTMLToMarkdown\HtmlConverter([
+            'strip_tags' => false,
+            'hard_break' => true,
+        ]);
+
+        return $converter->convert($html);
+    }
+}

plugins/neatstudio.blog-seo/src/ServiceProvider.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Plugins\Neatstudio\BlogSeo;
+
+use App\Blog\Support\PluginManager;
+use App\Blog\Support\PluginServiceProvider;
+use Plugins\Neatstudio\BlogSeo\Http\Middleware\SeoMiddleware;
+use Plugins\Neatstudio\BlogSeo\Http\SeoController;
+
+class ServiceProvider extends PluginServiceProvider
+{
+    protected function boot(PluginManager $manager): void
+    {
+        $this->loadRoutes(__DIR__.'/../routes/web.php');
+
+        app('router')->pushMiddlewareToGroup('web', SeoMiddleware::class);
+
+        $manager->addFilter('seo.structured_data', function (array $data) {
+            return $data;
+        });
+    }
+}

resources/views/filament/pages/plugins.blade.php

@@ -0,0 +1,66 @@
+<x-filament-panels::page>
+    <x-filament::section heading="插件列表">
+        <div class="space-y-4">
+            @forelse($this->plugins as $plugin)
+                <div class="flex items-center justify-between gap-4 rounded-xl border border-gray-200 p-4 dark:border-white/10">
+                    <div>
+                        <div class="flex items-center gap-2">
+                            <span class="font-semibold">{{ $plugin['title'] }}</span>
+                            <span class="text-xs text-gray-500">{{ $plugin['version'] }}</span>
+                            @if($plugin['enabled'])
+                                <x-filament::badge color="success">已启用</x-filament::badge>
+                            @else
+                                <x-filament::badge color="gray">已停用</x-filament::badge>
+                            @endif
+                        </div>
+                        <p class="mt-1 text-sm text-gray-500">{{ $plugin['description'] }}</p>
+                        <p class="mt-0.5 text-xs text-gray-400">{{ $plugin['vendor'] }}.{{ $plugin['name'] }}</p>
+                    </div>
+                    <div class="flex shrink-0 gap-2">
+                        @if($plugin['enabled'])
+                            <x-filament::button size="sm" color="gray" wire:click="disablePlugin('{{ $plugin['key'] }}')">停用</x-filament::button>
+                        @else
+                            <x-filament::button size="sm" color="success" wire:click="enablePlugin('{{ $plugin['key'] }}')">启用</x-filament::button>
+                        @endif
+                        @if(! in_array($plugin['key'], config('plugins.enabled', []), true))
+                            <x-filament::button size="sm" color="danger" wire:click="uninstallPlugin('{{ $plugin['key'] }}')" wire:confirm="确定卸载该插件？">卸载</x-filament::button>
+                        @endif
+                    </div>
+                </div>
+            @empty
+                <p class="text-sm text-gray-500">暂无插件</p>
+            @endforelse
+        </div>
+    </x-filament::section>
+
+    <x-filament::section heading="安装插件（ZIP）">
+        <form wire:submit="uploadZip" class="flex items-end gap-3">
+            <div class="flex-1">
+                <x-filament::input.wrapper>
+                    <x-filament::input type="file" wire:model="zip" accept=".zip" />
+                </x-filament::input.wrapper>
+                @error('zip') <p class="mt-1 text-sm text-danger-600">{{ $message }}</p> @enderror
+            </div>
+            <x-filament::button type="submit" color="primary">安装</x-filament::button>
+        </form>
+    </x-filament::section>
+
+    <x-filament::section heading="插件市场" :description="config('market.url') ?: '未配置远程市场（config/market.php 的 MARKET_URL），仅支持本地 ZIP 安装'">
+        <div class="space-y-3">
+            <x-filament::button color="gray" wire:click="loadMarket">刷新市场</x-filament::button>
+
+            @forelse($marketItems as $index => $item)
+                <div class="flex items-center justify-between gap-4 rounded-xl border border-gray-200 p-4 dark:border-white/10">
+                    <div>
+                        <div class="font-semibold">{{ $item['title'] ?? $item['name'] }}</div>
+                        <p class="text-sm text-gray-500">{{ $item['description'] ?? '' }}</p>
+                        <p class="text-xs text-gray-400">{{ $item['version'] ?? '' }} · {{ $item['author'] ?? '' }}</p>
+                    </div>
+                    <x-filament::button size="sm" color="primary" wire:click="installFromMarket({{ $index }})">安装</x-filament::button>
+                </div>
+            @empty
+                <p class="text-sm text-gray-500">点击「刷新市场」拉取可用插件/主题</p>
+            @endforelse
+        </div>
+    </x-filament::section>
+</x-filament-panels::page>

resources/views/filament/pages/themes.blade.php

@@ -0,0 +1,38 @@
+<x-filament-panels::page>
+    <x-filament::section heading="主题列表">
+        <div class="grid gap-4 sm:grid-cols-2">
+            @forelse($this->themes as $theme)
+                <div class="rounded-xl border border-gray-200 p-5 dark:border-white/10">
+                    <div class="flex items-center justify-between">
+                        <span class="font-semibold text-lg">{{ $theme['title'] }}</span>
+                        <span class="text-xs text-gray-500">v{{ $theme['version'] }}</span>
+                    </div>
+                    <p class="mt-1 text-sm text-gray-500">{{ $theme['description'] }}</p>
+                    <p class="mt-0.5 text-xs text-gray-400">{{ $theme['author'] }}</p>
+                    <div class="mt-3 flex gap-2">
+                        @if($theme['active'])
+                            <x-filament::badge color="success">当前使用</x-filament::badge>
+                        @else
+                            <x-filament::button size="sm" color="primary" wire:click="activateTheme('{{ $theme['name'] }}')">启用</x-filament::button>
+                            <x-filament::button size="sm" color="danger" wire:click="uninstallTheme('{{ $theme['name'] }}')" wire:confirm="确定删除该主题？">删除</x-filament::button>
+                        @endif
+                    </div>
+                </div>
+            @empty
+                <p class="text-sm text-gray-500">暂无主题</p>
+            @endforelse
+        </div>
+    </x-filament::section>
+
+    <x-filament::section heading="安装主题（ZIP）">
+        <form wire:submit="uploadThemeZip" class="flex items-end gap-3">
+            <div class="flex-1">
+                <x-filament::input.wrapper>
+                    <x-filament::input type="file" wire:model="zip" accept=".zip" />
+                </x-filament::input.wrapper>
+                @error('zip') <p class="mt-1 text-sm text-danger-600">{{ $message }}</p> @enderror
+            </div>
+            <x-filament::button type="submit" color="primary">安装</x-filament::button>
+        </form>
+    </x-filament::section>
+</x-filament-panels::page>