Capture YouTube titles from Discord's embed cache

poc/public/media.css

@@ -885,3 +885,9 @@
     font: 400 11px/1.5 ui-monospace, Menlo, monospace;
     color: var(--color-neutral-500);
 }
+
+.vk-media-viewer-title {
+    font: 600 13px/1.5 ui-monospace, Menlo, monospace;
+    color: var(--color-text);
+    margin-bottom: 6px;
+}

poc/public/media.js

@@ -2669,6 +2669,18 @@
         }
 
         meta.replaceChildren();
+
+        // The clip title matters most for finding footage; show it big when we have one.
+        const heading =
+            item.title || (item.titleError && (item.provider ?? "").toLowerCase().includes("youtube"))
+                ? item.title
+                    ? `${item.title}${item.titleAuthor ? ` — ${item.titleAuthor}` : ""}`
+                    : "Video unavailable (removed or private)"
+                : "";
+        if (heading) {
+            meta.append(el("div", "vk-media-viewer-title", heading));
+        }
+
         const values = metaValues(item);
         for (const [key, label] of META_FIELDS) {
             if (!values[key]) continue;