Fix quote posts not loading: include relay hints in nevent URIs and q tags

src/components/ComposeBox.tsx

@@ -737,7 +737,7 @@ export function ComposeBox({
       if (showQuotedEvent && quotedEvent) {
         tags.push(['q', quotedEvent.id, DITTO_RELAY, quotedEvent.pubkey]);
         // Add the nostr: URI to the content if not already present
-        const neventUri = `nostr:${nip19.neventEncode({ id: quotedEvent.id, author: quotedEvent.pubkey })}`;
+        const neventUri = `nostr:${nip19.neventEncode({ id: quotedEvent.id, author: quotedEvent.pubkey, relays: [DITTO_RELAY] })}`;
         if (!finalContent.includes(neventUri)) {
           finalContent = finalContent + '\n\n' + neventUri;
         }

src/components/NoteContent.tsx

@@ -378,6 +378,32 @@ export function NoteContent({
       result.push({ type: 'text', value: text });
     }
 
+    // Enrich nevent-embed tokens with relay hints from `q` tags when the
+    // nevent URI itself didn't include any.  This ensures quote posts whose
+    // inline nevent was encoded without relay hints can still resolve the
+    // quoted event via the relay hint stored in the q tag.
+    const qTagMap = new Map<string, { relay?: string; author?: string }>();
+    for (const tag of event.tags) {
+      if (tag[0] === 'q' && tag[1]) {
+        qTagMap.set(tag[1], { relay: tag[2] || undefined, author: tag[3] || undefined });
+      }
+    }
+    if (qTagMap.size > 0) {
+      for (const token of result) {
+        if (token.type === 'nevent-embed') {
+          const qInfo = qTagMap.get(token.eventId);
+          if (qInfo) {
+            if ((!token.relays || token.relays.length === 0) && qInfo.relay) {
+              token.relays = [qInfo.relay];
+            }
+            if (!token.author && qInfo.author) {
+              token.author = qInfo.author;
+            }
+          }
+        }
+      }
+    }
+
     // Collapse excessive whitespace around block-level tokens (link-preview, youtube-embed)
     // Preserve formatting but prevent too much stacking with the card's own spacing.
     for (let i = 0; i < result.length; i++) {