Initial ecommerce standalone package

src/features/ecommerce/EcommerceProgressBar.tsx

@@ -0,0 +1,30 @@
+import { useSmoothedProgress } from "../../hooks/useSmoothedProgress";
+
+interface EcommerceProgressBarProps {
+  status: "idle" | "generating" | "done" | "failed" | string;
+  label?: string;
+}
+
+function mapStatus(status: string): "running" | "completed" | "failed" {
+  if (status === "done") return "completed";
+  if (status === "failed") return "failed";
+  if (status === "generating" || status === "modeling") return "running";
+  return "running";
+}
+
+export function EcommerceProgressBar({ status, label }: EcommerceProgressBarProps) {
+  const progress = mapStatus(status) === "running" ? 50 : 100;
+  const smoothed = useSmoothedProgress(progress, mapStatus(status));
+
+  if (status === "idle") return null;
+
+  return (
+    <div className="ecommerce-progress-bar">
+      <span className="ecommerce-progress-bar__label">{label || "AI 正在生成"}</span>
+      <div className="ecommerce-progress-bar__track">
+        <div className="ecommerce-progress-bar__fill" style={{ width: `${smoothed}%` }} />
+      </div>
+      <span className="ecommerce-progress-bar__value">{smoothed}%</span>
+    </div>
+  );
+}