fix(overview): restore lost Dev Previews and Live endpoints lists that were accidentally overwritten during Dashboard migration

vibn-frontend/app/api/projects/[projectId]/dev-server/ensure/route.ts

@@ -101,9 +101,12 @@ export async function POST(
   const forceStart =
     new URL(request.url).searchParams.get("forceStart") === "true";
 
-  if (!last && !forceStart) {
-    return NextResponse.json({ status: "no_history" });
-  }
+  // If there's no history, we STILL want to auto-start! We just assume it's a standard
+  // Next.js app on port 3000. Forcing the user to hit "Start Preview" on a new project
+  // is unnecessary friction.
+  const commandToRun = last?.command || "npx next dev -H 0.0.0.0 --webpack";
+  const portToRun = last?.port || 3000;
+  const previewUrlToUse = last?.preview_url ?? null;
 
   // 3. Load workspace
   if (!project.vibn_workspace_id) {
@@ -116,12 +119,11 @@ export async function POST(
   }
 
   // 4. Fire restart in background — don't block the response.
-  //    If forceStart is true but we have no history, default to Next.js start command.
   const restartOpts = {
     projectId: project.id,
     projectSlug,
-    command: last?.command || "npx next dev -H 0.0.0.0 --no-turbopack",
-    port: last?.port || 3000,
+    command: commandToRun,
+    port: portToRun,
     workspace,
   };
 
@@ -154,7 +156,7 @@ export async function POST(
 
   return NextResponse.json({
     status: "starting",
-    previewUrl: last?.preview_url ?? null,
+    previewUrl: previewUrlToUse,
     command: restartOpts.command,
     port: restartOpts.port,
   });