- Adjusted indentation and line breaks for structs, functions, and method calls to comply with Rust formatting standards.
- Improved error message formatting and consistency across `PkgTreeError` instances.
- Restructured long function arguments and chained calls for clarity and maintainability.
- Simplified conditional statements and loops for better readability.
- No functional changes introduced.
- Implemented `executors` module for applying manifests with support for directories, files, and links.
- Added `action_plan` module to merge and execute install plans from manifests.
- Introduced `run_sample_install.sh` script for testing installations, including dry-run and real execution.
- Enhanced `pkg6` install logic to resolve and apply action plans.
- Improved manifest management with `save_manifest` and repository-based fetching.
- Introduce `#[serde(skip_serializing_if = "is_empty", default)]` for various optional fields to streamline serialization and ensure defaults are applied during deserialization.
- Add `tracing::debug` logging for enhanced error context in JSON deserialization fallback logic.
- Update tests to reflect changes in manifest parsing, including new cases for the updated JSON format.
- 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.
- Implement parsing and mapping of new action types: `User`, `Group`, `Driver`, `Legacy`, and `Transform` within `Manifest`.
- Introduce comprehensive test coverage for the newly supported actions, including edge cases for `ftpuser` property in manifests.
- Refactor to leverage `HashSet` for user `services` to avoid duplicates.
- Improve comments and error handling during action parsing for enhanced clarity and robustness.
