- Raised fs.nr_open from 1,048,576 to 8,388,608 through the Kata guest kernel command line.
- Added a smoke check for guest, soft, and hard open-file limits.
- Documented the cold Bazel sandbox failure mode and lazy descriptor allocation.
- Updated bun-install action to set mounted cache mode and use PVC cache paths.
- Removed RustFS Bun restore/save and maintenance scripts, replacing them with mounted cache setup.
- Removed zstd from runner image installation and baked-tool verification checks.
- Updated infra docs to describe split caching with RustFS for sccache and PVC for Bun/Cargo.