Create VibePod TTS podcast generator application

Agent-Logs-Url: https://github.com/JezzWTF/vibepod/sessions/a78fcf03-e979-4777-a428-18cc8eccc095

Co-authored-by: LyAhn <27559362+LyAhn@users.noreply.github.com>

podcast-forge/app/api/generate/route.ts

@@ -0,0 +1,55 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { text, cfg_scale, inference_steps } = body as {
+      text: string;
+      cfg_scale: number;
+      inference_steps: number;
+    };
+
+    if (!text || typeof text !== "string" || text.trim().length === 0) {
+      return NextResponse.json(
+        { error: "Missing or empty text field" },
+        { status: 400 }
+      );
+    }
+
+    const pythonServerUrl =
+      process.env.VIBEVOICE_SERVER_URL ?? "http://localhost:8000";
+
+    const upstream = await fetch(`${pythonServerUrl}/generate`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({
+        text: text.trim(),
+        cfg_scale: cfg_scale ?? 2.5,
+        inference_steps: inference_steps ?? 20,
+      }),
+    });
+
+    if (!upstream.ok) {
+      const errorText = await upstream.text().catch(() => "Unknown error");
+      return NextResponse.json(
+        { error: `VibeVoice server error: ${errorText}` },
+        { status: upstream.status }
+      );
+    }
+
+    const audioBuffer = await upstream.arrayBuffer();
+
+    return new NextResponse(audioBuffer, {
+      status: 200,
+      headers: {
+        "Content-Type": "audio/wav",
+        "Content-Disposition": 'attachment; filename="vibepod-output.wav"',
+        "Cache-Control": "no-store",
+      },
+    });
+  } catch (err) {
+    const message =
+      err instanceof Error ? err.message : "Failed to connect to VibeVoice server";
+    return NextResponse.json({ error: message }, { status: 502 });
+  }
+}

podcast-forge/app/api/health/route.ts

@@ -0,0 +1,20 @@
+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),
+    });
+
+    if (res.ok) {
+      return NextResponse.json({ status: "online" });
+    }
+    return NextResponse.json({ status: "offline" });
+  } catch {
+    return NextResponse.json({ status: "offline" });
+  }
+}