refactor: remove draft agent routes and consolidate terminal output into session model

packages/app/src/utils/new-agent-routing.ts

@@ -1,6 +1,6 @@
 import type { CheckoutStatusPayload } from "@/hooks/use-checkout-status-query";
 import {
-  buildHostAgentDraftRoute,
+  buildHostWorkspaceRoute,
   parseHostAgentRouteFromPathname,
   parseHostWorkspaceTabRouteFromPathname,
 } from "@/utils/host-routes";
@@ -74,13 +74,6 @@ export function buildNewAgentRoute(
   serverId: string,
   workingDir?: string | null
 ): string {
-  const baseRoute = buildHostAgentDraftRoute(serverId);
-  if (baseRoute === "/") {
-    return baseRoute;
-  }
   const trimmedWorkingDir = workingDir?.trim();
-  if (!trimmedWorkingDir) {
-    return baseRoute;
-  }
-  return `${baseRoute}?workingDir=${encodeURIComponent(trimmedWorkingDir)}`;
+  return buildHostWorkspaceRoute(serverId, trimmedWorkingDir || ".");
 }