Promote the Dreamverse-compatible health, readiness, and status probes into the public streaming package so integrators can compose them through build_app without product-local shims. Co-authored-by: Junda Su <junda@berkeley.edu> Co-authored-by: Matthew Noto <matthewnoto@gmail.com> Co-authored-by: XOR-op <xor-op@users.noreply.github.com> Co-authored-by: Zhang Peiyuan <peiyuan_zhang@berkeley.edu>