BlogNav: Archive-Subtree immer rendern, off-Klasse steuert Sichtbarkeit

Jahre und Posts fehlten im HTML wenn man sich auf Categories/Tags-Seiten
oder außerhalb des Blog-Bereichs befand. Jahr-off-Logik korrigiert:
sichtbar nur auf Archive-Root (alle Jahre als Kinder) oder wenn aktiv.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

diff --git a/src/components/BlogNav.astro b/src/components/BlogNav.astro
index 926d7f7cc0b1609d5bfbe8f625b8d3179b945976..f6d2022adae135bfe95193f0c7d8cba6fb2a77e1 100644 (file)
--- a/src/components/BlogNav.astro
+++ b/src/components/BlogNav.astro
@@ -174,38 +174,39 @@ const activeTagSlug  = onTagTerm      ? currentUrl.replace(/^\/tags\//, '').repl
         {blogSelected ? <strong>Blog</strong> : 'Blog'}
       </a>
       <ul class={blogSelected ? 's active' : 's'}>
-        {/* Archive — only render year/post subtree on blog/archive pages */}
+        {/* Archive subtree — always rendered; off-class controls visibility via CSS */}
         <li class={`s sub${archiveOff ? ' off' : ''}`}>
           <a href="/blog/archive/" class={onArchive ? 's selected' : 's'}>
             {onArchive ? <strong>Archive</strong> : 'Archive'}
           </a>
-          {(onArchive || onBlog) && (
-            <ul class={onArchive ? 's active' : 's'}>
-              {years.map(year => {
-                const active = isActiveYear(year);
-                return (
-                  <li class={`s${onBlog ? ' off' : ''}`}>
-                    <a href={`/blog/archive/${year}/`} class={active ? 's selected' : 's'}>
-                      {active ? <strong>{year}</strong> : year}
-                    </a>
-                    <ul class="s">
-                      {postsByYear[year].map(post => {
-                        const pUrl = postUrl(post);
-                        const current = pUrl === currentUrl;
-                        return (
-                          <li class="s nav-leaf">
-                            <a href={pUrl} class={current ? 's selected' : 's'}>
-                              {current ? <strong>{post.data.title}</strong> : post.data.title}
-                            </a>
-                          </li>
-                        );
-                      })}
-                    </ul>
-                  </li>
-                );
-              })}
-            </ul>
-          )}
+          <ul class={onArchive ? 's active' : 's'}>
+            {years.map(year => {
+              const active = isActiveYear(year);
+              // Year visible only when: on Archive root (all years are children) or this year is active.
+              // On Blog root, Categories, Tags, outside Blog: all years are off.
+              const yearOff = currentUrl !== '/blog/archive/' && !active;
+              return (
+                <li class={`s${yearOff ? ' off' : ''}`}>
+                  <a href={`/blog/archive/${year}/`} class={active ? 's selected' : 's'}>
+                    {active ? <strong>{year}</strong> : year}
+                  </a>
+                  <ul class="s">
+                    {postsByYear[year].map(post => {
+                      const pUrl = postUrl(post);
+                      const current = pUrl === currentUrl;
+                      return (
+                        <li class="s nav-leaf">
+                          <a href={pUrl} class={current ? 's selected' : 's'}>
+                            {current ? <strong>{post.data.title}</strong> : post.data.title}
+                          </a>
+                        </li>
+                      );
+                    })}
+                  </ul>
+                </li>
+              );
+            })}
+          </ul>
         </li>
         {/* Categories subtree */}
         {categories.length > 0 && (