feat: add studio roadmap and streaming cleanup

web/app/api/health/route.ts

@@ -0,0 +1,40 @@
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  const pythonServerUrl =
+    process.env.VIBEVOICE_SERVER_URL ?? "http://localhost:8000";
+
+  try {
+    const res = await fetch(`${pythonServerUrl}/health`, {
+      method: "GET",
+      signal: AbortSignal.timeout(4000),
+      // Don't cache health checks
+      cache: "no-store",
+    });
+
+    if (res.ok) {
+      const data = await res.json().catch(() => ({}));
+      // Pass through the exact status the Python server reports:
+      // "online" | "loading" | "error"
+      const status: string = data.status ?? "online";
+      return NextResponse.json(
+        {
+          status,
+          message: data.message,
+          progress: data.progress ?? null,
+          voices: data.voices ?? [],
+        },
+        { headers: { "Cache-Control": "no-store" } }
+      );
+    }
+    return NextResponse.json(
+      { status: "offline" },
+      { headers: { "Cache-Control": "no-store" } }
+    );
+  } catch {
+    return NextResponse.json(
+      { status: "offline" },
+      { headers: { "Cache-Control": "no-store" } }
+    );
+  }
+}