Add HyperFrames skills

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011h6NB8JQtfPc6eRCefEzBB

.agents/skills/media-use/scripts/lib/words.mjs

@@ -0,0 +1,18 @@
+export function normalizeWords(input) {
+  const raw = Array.isArray(input) ? input : Array.isArray(input?.words) ? input.words : [];
+  return raw
+    .map((w, index) => {
+      const text = String(w?.text ?? w?.word ?? "").trim();
+      const start = Number(w?.start);
+      const end = Number(w?.end);
+      if (!text || !Number.isFinite(start) || !Number.isFinite(end)) return null;
+      return { id: w?.id ?? `w${index}`, text, start, end };
+    })
+    .filter(Boolean);
+}
+
+export function wordListsFromMediaMeta(input) {
+  if (Array.isArray(input) || Array.isArray(input?.words)) return [normalizeWords(input)];
+  if (!Array.isArray(input?.voices)) return [];
+  return input.voices.map((voice) => normalizeWords(voice));
+}