fix: post reshare and audio player enhancements

components/social/post-card.tsx

@@ -46,15 +46,23 @@ export function PostCard({
 
   return (
     <article className="rounded-xl bg-card ring-1 ring-foreground/10 p-5">
-      {/* Reshare attribution — only on rows the feed owner reshared.
-          The author block below still shows the original author; this
-          strip just signals "this is on this feed because it was
-          reshared," matching the Twitter/X retweet convention. */}
-      {post.reshared_at ? (
-        <div className="flex items-center gap-1.5 text-xs text-muted-foreground mb-3">
+      {/* Reshare attribution — only on rows that are themselves
+          reshares. The link goes to the original author's profile;
+          their handle is rendered inline so the source is obvious.
+          The post body below shows the resharer as the author (this
+          IS their post — likes, comments, and background all belong
+          to them, independent from the original). */}
+      {post.reshared_from_post_id && post.original_author_handle ? (
+        <Link
+          href={`/u/${post.original_author_handle}`}
+          className="inline-flex items-center gap-1.5 text-xs text-muted-foreground hover:text-foreground mb-3 transition-colors"
+        >
           <Repeat2 className="size-3.5" />
-          <span>Reshared</span>
-        </div>
+          <span>
+            Reshared from{" "}
+            <span className="font-medium">@{post.original_author_handle}</span>
+          </span>
+        </Link>
       ) : null}
       {/* Author header — identity on the left, overflow menu on the
           right. The menu trigger only renders when there are items to