feat: 前台整页响应缓存（匿名 GET，浏览量走 track-view 独立端点）+ 后台缓存管理页 + 侧边栏 nav-groups 负 margin 归零

app/Blog/Controllers/PostController.php

@@ -25,7 +25,7 @@ class PostController extends Controller
 
         $this->ensureReadable($post);
 
-        $post->increment('views');
+        // 浏览量由 /track-view 端点统计（页面整页缓存下控制器不执行，避免双计）
 
         $comments = $post->comments()
             ->where('status', 'published')

app/Blog/Support/PageCacheMiddleware.php

@@ -0,0 +1,99 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Blog\Support;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cache;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * 前台页面响应缓存：
+ * - 仅缓存匿名 GET 请求的 HTML 页面（首页/列表/文章/归档/标签等）
+ * - 登录用户、后台、API、动态端点不缓存
+ * - 浏览量走独立的 /track-view 端点，不受整页缓存影响
+ */
+class PageCacheMiddleware
+{
+    public const TAG = 'pages';
+
+    public function handle(Request $request, \Closure $next): Response
+    {
+        if (! $this->shouldCache($request)) {
+            return $next($request);
+        }
+
+        $key = $this->key($request);
+        $ttl = (int) config('blog.page_cache_ttl', 300);
+
+        if ($cached = Cache::get($key)) {
+            return response($cached['body'], 200, [
+                'Content-Type' => $cached['type'],
+                'Cache-Control' => 'public, max-age='.$ttl,
+            ]);
+        }
+
+        $response = $next($request);
+
+        if ($response->getStatusCode() === 200) {
+            Cache::put($key, [
+                'body' => $response->getContent(),
+                'type' => $response->headers->get('Content-Type') ?: 'text/html; charset=utf-8',
+            ], $ttl);
+            self::rememberKey($key);
+        }
+
+        return $response;
+    }
+
+    public static function flush(): void
+    {
+        foreach ((array) Cache::get(self::TAG.'_keys', []) as $key) {
+            Cache::forget($key);
+        }
+
+        Cache::forget(self::TAG.'_keys');
+    }
+
+    public static function count(): int
+    {
+        return count((array) Cache::get(self::TAG.'_keys', []));
+    }
+
+    private static function rememberKey(string $key): void
+    {
+        $keys = (array) Cache::get(self::TAG.'_keys', []);
+        $keys[$key] = true;
+        Cache::put(self::TAG.'_keys', $keys, now()->addDay());
+    }
+
+    private function shouldCache(Request $request): bool
+    {
+        if (! $request->isMethod('GET')) {
+            return false;
+        }
+
+        if (auth()->check()) {
+            return false;
+        }
+
+        $path = $request->path();
+
+        if (str_starts_with($path, 'admin') || str_starts_with($path, 'api') || str_starts_with($path, 'themes')) {
+            return false;
+        }
+
+        // 动态端点
+        if (str_starts_with($path, 'track-view')) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private function key(Request $request): string
+    {
+        return self::TAG.':'.md5($request->fullUrl());
+    }
+}

app/Filament/Pages/CacheManager.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Filament\Pages;
+
+use App\Blog\Support\PageCacheMiddleware;
+use Filament\Notifications\Notification;
+use Filament\Pages\Page;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\Cache;
+
+class CacheManager extends Page
+{
+    protected static \UnitEnum|string|null $navigationGroup = '管理';
+
+    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-bolt';
+
+    protected static ?string $navigationLabel = '缓存管理';
+
+    protected string $view = 'filament.pages.cache-manager';
+
+    public function flushPages(): void
+    {
+        PageCacheMiddleware::flush();
+        Notification::make()->title('前台页面缓存已清空')->success()->send();
+    }
+
+    public function flushSidebar(): void
+    {
+        foreach (['blog.sidebar.categories', 'blog.sidebar.recent_posts', 'blog.sidebar.recent_comments', 'blog.sidebar.hot_tags', 'blog.sidebar.links', 'blog.sidebar.stats'] as $key) {
+            Cache::forget($key);
+        }
+        Notification::make()->title('侧边栏缓存已清空')->success()->send();
+    }
+
+    public function flushSettings(): void
+    {
+        \App\Models\Setting::flushCache();
+        Cache::forget('attach.legacy_ids');
+        Notification::make()->title('设置缓存已清空')->success()->send();
+    }
+
+    public function flushAll(): void
+    {
+        PageCacheMiddleware::flush();
+        \App\Models\Setting::flushCache();
+        Cache::flush();
+        Notification::make()->title('全部缓存已清空')->success()->send();
+    }
+
+    public function recompile(): void
+    {
+        Artisan::call('view:clear');
+        Artisan::call('route:clear');
+        Artisan::call('config:clear');
+        Notification::make()->title('视图/路由/配置缓存已重建')->success()->send();
+    }
+
+    public function getPageCacheCountProperty(): int
+    {
+        return PageCacheMiddleware::count();
+    }
+}

app/Providers/AppServiceProvider.php

@@ -29,6 +29,9 @@ class AppServiceProvider extends ServiceProvider
             $this->loadMigrationsFrom($path);
         }
 
+        // 前台页面缓存（匿名 GET，缓存含 SEO 注入后的最终 HTML）
+        app('router')->pushMiddlewareToGroup('web', \App\Blog\Support\PageCacheMiddleware::class);
+
         // 后台侧边栏紧凑化（更窄的菜单项）
         Filament::serving(function () {
             Filament::registerRenderHook(
@@ -37,6 +40,7 @@ class AppServiceProvider extends ServiceProvider
 <style>
     .fi-sidebar { padding-inline: 0.75rem; }
     .fi-sidebar-nav { padding-inline: 0; }
+    .fi-sidebar-nav-groups { margin-inline: 0; }
     .fi-sidebar-nav .fi-sidebar-item-button { padding-inline: 0.6rem; border-radius: 0.5rem; }
     .fi-sidebar-nav .fi-sidebar-item-label { font-size: 0.82rem; }
     .fi-sidebar-nav .fi-sidebar-group-label { font-size: 0.68rem; letter-spacing: 0.04em; }