refactor(routes): canonical URLs now match sablog format exactly

- /show-{id}.shtml (comments page: /show-{id}-{page}.shtml)
- /category-{cid}.shtml / /category-{cid}-{page}.shtml
- /archives-{YYYYMM}.shtml / /archives-{YYYYMM}-{page}.shtml
- /tag/{name}, /tagslist.shtml, /index-{page}.shtml
- slug 时代的 /posts/{slug} 等旧格式全部 301 到 sablog 格式

resources/views/partials/sidebar.blade.php

@@ -5,7 +5,7 @@
         <ul class="widget-list">
             @forelse($categories as $category)
                 <li>
-                    <a href="{{ route('category.show', $category->slug ?: $category->id) }}">{{ $category->name }}</a>
+                    <a href="{{ route('category.show', $category->id) }}">{{ $category->name }}</a>
                     <span class="count">({{ $category->post_count }})</span>
                 </li>
             @empty
@@ -18,7 +18,7 @@
         <h3 class="widget-title">最新文章</h3>
         <ul class="widget-list">
             @forelse($recentPosts as $post)
-                <li><a href="{{ route('posts.show', $post->slug ?: $post->id) }}">{{ $post->title }}</a></li>
+                <li><a href="{{ route('posts.show', $post->id) }}">{{ $post->title }}</a></li>
             @empty
                 <li>暂无文章</li>
             @endforelse
@@ -30,7 +30,7 @@
         <ul class="widget-list">
             @forelse($recentComments as $comment)
                 <li>
-                    <a href="{{ route('posts.show', $comment->post->slug ?: $comment->post->id) }}#comment-{{ $comment->id }}">
+                    <a href="{{ route('posts.show', $comment->post->id) }}#comment-{{ $comment->id }}">
                         {{ $comment->author_name }}：{{ Str::limit(strip_tags($comment->content), 30) }}
                     </a>
                 </li>
@@ -44,7 +44,7 @@
         <h3 class="widget-title">标签云</h3>
         <div class="tag-cloud">
             @forelse($hotTags as $tag)
-                <a href="{{ route('tags.show', $tag->slug ?: $tag->name) }}" class="tag-link">{{ $tag->name }}</a>
+                <a href="{{ route('tags.show', $tag->name) }}" class="tag-link">{{ $tag->name }}</a>
             @empty
                 <span>暂无标签</span>
             @endforelse