feat: restore sablog browse modes and clean imported HTML

Keep the public site readable after import (nbsp, highlighter, wrapping code, compact pager) and finish the admin extras already in this tree: sticky levels, preview, page cache, and live llms.txt.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Providers/AppServiceProvider.php

@@ -4,10 +4,16 @@ declare(strict_types=1);
 
 namespace App\Providers;
 
+use App\Blog\Support\HomeViewMode;
+use App\Blog\Support\PageCacheMiddleware;
+use App\Blog\Support\PluginManager;
+use App\Models\MarketPackage;
 use Filament\Facades\Filament;
 use Filament\View\PanelsRenderHook;
 use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\Facades\View;
 use Illuminate\Support\ServiceProvider;
+use Plugins\Neatstudio\Payment\Models\Payment;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -21,16 +27,16 @@ class AppServiceProvider extends ServiceProvider
 
     private function registerMarketPurchaseListener(): void
     {
-        $manager = app(\App\Blog\Support\PluginManager::class);
+        $manager = app(PluginManager::class);
 
         if (! $manager->isEnabled('neatstudio.payment')) {
             return;
         }
 
-        $manager->addAction('payment.paid', function (\Plugins\Neatstudio\Payment\Models\Payment $payment) {
+        $manager->addAction('payment.paid', function (Payment $payment) {
             $payable = $payment->payable;
 
-            if ($payable instanceof \App\Models\MarketPackage) {
+            if ($payable instanceof MarketPackage) {
                 $payable->markPaid($payment);
             }
         }, 10);
@@ -54,7 +60,20 @@ class AppServiceProvider extends ServiceProvider
         $this->registerMarketPurchaseListener();
 
         // 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);
+        app('router')->pushMiddlewareToGroup('web', PageCacheMiddleware::class);
+
+        View::composer([
+            'index',
+            'list',
+            'tag',
+            'search',
+            'partials.post-card',
+            'partials.view-mode-switcher',
+        ], function ($view): void {
+            if (! $view->offsetExists('homeViewMode')) {
+                $view->with('homeViewMode', HomeViewMode::current());
+            }
+        });
 
         // 后台紧凑化：侧边栏 + 表格行 + 筛选区（Filament 无官方全局紧凑开关，用 CSS 收紧）
         Filament::serving(function () {
@@ -96,6 +115,22 @@ class AppServiceProvider extends ServiceProvider
     /* 文章编辑框加大（MarkdownEditor 基于 tiptap） */
     .fi-fo-markdown-editor .tiptap, .fi-fo-markdown-editor .ProseMirror { min-height: 26rem !important; }
 
+    /* 封面/媒体预览：禁止按栏宽 100% 拉伸，否则大图会把编辑页撑烂 */
+    .ll-media-picker-preview img,
+    img.h-32.max-w-full.rounded-md.object-contain {
+        max-width: 220px !important;
+        max-height: 124px !important;
+        width: auto !important;
+        height: auto !important;
+        object-fit: contain !important;
+        display: block !important;
+    }
+    .ll-media-picker-preview .relative,
+    .relative.rounded-lg:has(> img.h-32.max-w-full) {
+        width: fit-content;
+        max-width: 15rem;
+    }
+
     /* 筛选条件区：整体一行横排，重置紧跟应用按钮，控件紧凑 */
     .fi-ta-filters-above-content-ctn { padding: 0.4rem 0.9rem !important; }
     .fi-ta-filters-heading { display: none !important; }