feat: deliver AI drama production demo

lib/normalize.mjs

@@ -0,0 +1,36 @@
+export function normalizeAssetReference(item = {}) {
+  const direct = item.asset_url || item.AssetURL || item.assetUrl;
+  if (typeof direct === "string" && /^asset:\/\//i.test(direct)) {
+    return `asset://${direct.slice(direct.indexOf("//") + 2)}`;
+  }
+
+  const id = item.downstream_asset_id || item.asset_id || item.Id || item.id;
+  return id ? `asset://${id}` : "";
+}
+
+export function extractVideoTaskId(payload = {}) {
+  return payload.task_id || payload.id || payload.data?.task_id || payload.data?.id || "";
+}
+
+export function extractVideoUrl(payload = {}) {
+  const candidates = [
+    payload.video_url,
+    payload.url,
+    payload.output?.video_url,
+    payload.output?.url,
+    payload.data?.video_url,
+    payload.data?.url,
+    payload.result?.video_url,
+    payload.result?.url,
+    payload.content?.video_url,
+    payload.content?.url,
+  ];
+  return candidates.find((value) => typeof value === "string" && /^https?:\/\//.test(value)) || "";
+}
+
+export function normalizeVideoStatus(payload = {}) {
+  const value = String(payload.status || payload.data?.status || "").toLowerCase();
+  if (["succeeded", "success", "completed", "done"].includes(value)) return "completed";
+  if (["failed", "error", "cancelled", "canceled"].includes(value)) return "failed";
+  return value || "processing";
+}