- Renamed `pkg6dev` to `pkg6` across build scripts, workflows, and documentation.
- Added support for additional binaries (`pkg6repo` and `pkg6depotd`) in release builds.
- Disabled `RUSTFLAGS` warnings-as-errors policy in workflows for improved flexibility.
- Simplified error handling in `manifest_fmri` with streamlined conditionals.
- Introduced `#[allow(clippy::result_large_err)]` to suppress clippy warnings for large error types.
- Standardize formatting by aligning and cleaning up indentation, spacing, and line breaks across multiple modules.
- Enhance logging with improved message formatting for better context and readability.
- Simplify error handling in `pkg6dev`, `pkg6repo`, and core libraries by consolidating redundant patterns and improving clarity.
- Update test cases to reflect formatting and logging changes while extending coverage of edge cases.
- Perform general cleanup, including removing unused imports, refining comments, and ensuring consistent style.
