- Vendored multiple uutils coreutils packages with custom adaptations for in-process I/O and path redirection using `pi-uutils-ctx`.
- Implemented consistent `run` entry points across all utilities to replace process-global termination and allow execution within the embedding application.
- Developed a shared `uu-checksum-common` library to centralize CLI construction, checksum computation, and digest validation logic.
- Integrated thread-local command handling and resource management to support memory-bounded stream processing and localized error reporting.
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