Reproduce nextjs-server-action-client-redirect-status from its authentic engineer request.

Reproduce nextjs-server-action-client-redirect-status from its authentic engineer request.: a task in nextjs-selfbench (Harbor dataset). Client-handled Server Action redirects currently look like HTTP redirects: they return 303 without a Location header and can carry a streamed RSC response body…

The task

Client-handled Server Action redirects currently look like HTTP redirects: they return `303` without a `Location` header and can carry a streamed RSC response body. Some HTTP intermediaries reject these responses or strip their bodies.

Part of dari-ai/nextjs-selfbench.