What's Changed

fix(core): enrich shared project quota limit errors with setup hint by @amelidev in #28391
fix(a2a-server): ensure task cancellation aborts execution loop by @luisfelipe-alt in #28316
fix(core): simplify plan mode write policy to support relative paths by @DavidAPierce in #28398
feat(core): Bump node google-auth-library version to...