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

routes/web.php

@@ -35,6 +35,9 @@ Route::get('/posts/{slug}.shtml', [PostController::class, 'show'])->where('slug'
 Route::get('/posts/{slug}', fn (string $slug) => redirect()->route('posts.show', $slug, 301))->where('slug', '[A-Za-z0-9\-]+');
 Route::post('/posts/{post}/comments', [CommentController::class, 'store'])->name('comments.store');
 
+// 浏览量统计（独立端点，避开整页缓存，保证实时）
+Route::get('/track-view/{post}', fn (\App\Models\Post $post) => response($post->increment('views') ? '' : '', 204))->name('track-view');
+
 Route::get('/category/{slug}.shtml', [CategoryController::class, 'show'])->where('slug', '[A-Za-z0-9\-]+')->name('category.show');
 Route::get('/category/{slug}', fn (string $slug) => redirect()->route('category.show', $slug, 301))->where('slug', '[A-Za-z0-9\-]+');