What's Changed
- chore/release: bump version to 0.52.0-nightly.20260715.gfa975395b by @gemini-cli-robot in #28402
- fix(core,a2a): group cancelled tool responses and coalesce consecutive roles to prevent 400 Bad Request by @luisfelipe-alt in #28407
Full Changelog: v0.52.0-nightly.20260715.gfa975395b...v0.52.0-nightly.20260716.g3ff5ba20f