feat: add source tabs and recent sort to blogroll widget

Sidebar widget now fetches blogs sorted by recently updated and groups
them into tabs by source type (Microsub/FeedLand). Tabs only appear
when multiple source types exist. Each tab shows up to 8 blogs.

_includes/components/widgets/blogroll.njk

@@ -1,4 +1,4 @@
-{# Blogroll Widget - Dynamic loading from API #}
+{# Blogroll Widget - Dynamic loading from API with source tabs #}
 <div class="widget" x-data="blogrollWidget()" x-init="init()">
   <h3 class="widget-title flex items-center gap-2">
     <svg class="w-5 h-5 text-primary-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -7,8 +7,22 @@
     <a href="/blogroll/" class="hover:text-primary-600 dark:hover:text-primary-400">Blogroll</a>
   </h3>
 
-  <ul x-show="blogs.length > 0" class="space-y-2 mt-3">
+  {# Source tabs - only shown when multiple sources exist #}
-    <template x-for="blog in blogs.slice(0, 8)" :key="blog.id">
+  <div x-show="tabs.length > 1" class="flex gap-1 mt-3 mb-2 border-b border-surface-200 dark:border-surface-700">
+    <template x-for="tab in tabs" :key="tab.key">
+      <button
+        @click="activeTab = tab.key"
+        :class="activeTab === tab.key
+          ? 'border-b-2 border-primary-600 text-primary-600 dark:text-primary-400 dark:border-primary-400'
+          : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        class="px-2 py-1 text-xs font-medium transition-colors -mb-px"
+        x-text="tab.label + ' (' + tab.count + ')'"
+      ></button>
+    </template>
+  </div>
+
+  <ul x-show="filteredBlogs.length > 0" class="space-y-2" :class="tabs.length > 1 ? '' : 'mt-3'">
+    <template x-for="blog in filteredBlogs.slice(0, 8)" :key="blog.id">
       <li>
         <a
           :href="blog.siteUrl || blog.feedUrl"
@@ -25,12 +39,12 @@
     </template>
   </ul>
 
-  <div x-show="blogs.length === 0 && !loading" class="text-sm text-surface-500 py-2">
+  <div x-show="filteredBlogs.length === 0 && !loading" class="text-sm text-surface-500 py-2">
     No blogs loaded yet.
   </div>
 
-  <a x-show="blogs.length > 0" href="/blogroll/" class="text-sm text-primary-600 dark:text-primary-400 hover:underline mt-3 inline-flex items-center gap-1">
+  <a x-show="allBlogs.length > 0" href="/blogroll/" class="text-sm text-primary-600 dark:text-primary-400 hover:underline mt-3 inline-flex items-center gap-1">
-    View all <span x-text="blogs.length"></span> blogs
+    View all <span x-text="allBlogs.length"></span> blogs
     <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/></svg>
   </a>
 </div>
@@ -38,18 +52,56 @@
 <script>
 function blogrollWidget() {
   return {
-    blogs: [],
+    allBlogs: [],
+    activeTab: 'all',
+    tabs: [],
     loading: true,
 
+    get filteredBlogs() {
+      if (this.activeTab === 'all') return this.allBlogs;
+      return this.allBlogs.filter(b => (b.source || 'other') === this.activeTab);
+    },
+
     async init() {
       try {
-        const res = await fetch('/blogrollapi/api/blogs?limit=10').then(r => r.json());
+        const res = await fetch('/blogrollapi/api/blogs?sort=recent&limit=200').then(r => r.json());
-        this.blogs = res.items || [];
+        this.allBlogs = res.items || [];
+        this.buildTabs();
       } catch (err) {
         console.error('Blogroll widget error:', err);
       } finally {
         this.loading = false;
       }
+    },
+
+    buildTabs() {
+      const counts = {};
+      for (const blog of this.allBlogs) {
+        const src = blog.source || 'other';
+        counts[src] = (counts[src] || 0) + 1;
+      }
+
+      const labels = {
+        microsub: 'Microsub',
+        feedland: 'FeedLand',
+        other: 'Other',
+      };
+
+      const sources = Object.keys(counts);
+      if (sources.length <= 1) {
+        this.tabs = [];
+        this.activeTab = 'all';
+        return;
+      }
+
+      this.tabs = sources.map(key => ({
+        key,
+        label: labels[key] || key,
+        count: counts[key],
+      }));
+
+      // Default to the first tab
+      this.activeTab = this.tabs[0].key;
     }
   };
 }