Robustify eternity POST handler request body parsing

src/app/api/eternity/route.ts

@@ -44,25 +44,24 @@ export async function POST(req: NextRequest) {
   if (!session?.user) {
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }
-
-  const body = await req.json();
-  const { action, ...payload } = body;
-  
-  const backendUrl = getBackendUrl();
-  const apiKey = process.env.BACKEND_API_KEY || "";
-  
-  let targetPath = "";
-  if (action === "toggle") {
-    targetPath = "/api/eternity/toggle";
-  } else if (action === "set-priority") {
-    targetPath = "/api/eternity/set-priority";
-  } else if (action === "init") {
-    targetPath = "/api/eternity/init";
-  } else {
-    return NextResponse.json({ error: "Invalid action" }, { status: 400 });
-  }
-  
   try {
+    const body = await req.json();
+    const { action, ...payload } = body;
+    
+    const backendUrl = getBackendUrl();
+    const apiKey = process.env.BACKEND_API_KEY || "";
+    
+    let targetPath = "";
+    if (action === "toggle") {
+      targetPath = "/api/eternity/toggle";
+    } else if (action === "set-priority") {
+      targetPath = "/api/eternity/set-priority";
+    } else if (action === "init") {
+      targetPath = "/api/eternity/init";
+    } else {
+      return NextResponse.json({ error: "Invalid action" }, { status: 400 });
+    }
+    
     const res = await fetch(`${backendUrl}${targetPath}`, {
       method: "POST",
       headers: {
@@ -80,6 +79,6 @@ export async function POST(req: NextRequest) {
     const data = await res.json();
     return NextResponse.json(data);
   } catch (err: any) {
-    return NextResponse.json({ error: err.message }, { status: 500 });
+    return NextResponse.json({ error: err.message }, { status: 400 });
   }
 }