Claude/review repo structure e miqk

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.4.1] - 2025-12-18
+
+### Added
+- GitHub Actions CI workflow for automated build and test
+- MIT LICENSE file in repository root
+- Runnable examples in `examples/` directory (`cargo run --example <name>`)
+- Criterion benchmarks in `benches/` directory (`cargo bench`)
+
+### Changed
+- Reorganized repository: moved helper scripts to `scripts/` directory
+- Made main `dozr` binary explicit in Cargo.toml for clarity
+- Updated `examples.md` to use current subcommand syntax
+- Updated `TEST.md` to document benchmarks and runnable examples
+
+## [0.4.0] - 2025-01-15
+
+### Added
+- Uniform distribution support (`uniform` / `u` command)
+- Triangular distribution support (`triangular` / `t` command)
+- Subcommand-based CLI architecture with short aliases
+- Testing documentation (`TEST.md`)
+
+### Changed
+- Refactored CLI to use subcommands instead of flags
+- Encapsulated WaitCondition creation in CLI module
+- Improved code organization and reduced code smells
+
+### Removed
+- Weibull distribution (replaced by more commonly used distributions)
+
+## [0.3.0] - 2025-01-10
+
+### Added
+- Normal distribution support (`normal` / `n` command)
+- Exponential distribution support (`exponential` / `e` command)
+- Log-normal distribution support (`log-normal` / `ln` command)
+- Pareto distribution support (`pareto` / `par` command)
+- Adaptive verbose mode that adjusts update frequency based on remaining time
+- Comprehensive test suite with unit and integration tests
+
+### Fixed
+- Verbose output timing accuracy improvements
+- Adaptive verbose output alignment to time markers
+
+## [0.2.0] - 2025-01-05
+
+### Added
+- `--until` / `at` command to wait until a specific time of day
+- `--probability` flag for probabilistic execution
+- Time alignment with `align` command (snap to intervals)
+- Customizable verbose update period
+- Jitter support with `--jitter` flag
+
+### Changed
+- Refactored to library-first architecture
+- Decoupled verbose output from wait logic
+- Improved CLI argument validation using clap groups
+
+## [0.1.0] - 2025-01-01
+
+### Added
+- Initial release
+- Fixed duration waits with human-readable time parsing
+- `--verbose` flag with ETA countdown
+- Adaptive ETA display with human-readable formatting
+- Support for duration units: seconds, minutes, hours, days, milliseconds
+
+[Unreleased]: https://github.com/ShaneIsley/dozr/compare/v0.4.1...HEAD
+[0.4.1]: https://github.com/ShaneIsley/dozr/compare/v0.4.0...v0.4.1
+[0.4.0]: https://github.com/ShaneIsley/dozr/compare/v0.3.0...v0.4.0
+[0.3.0]: https://github.com/ShaneIsley/dozr/compare/v0.2.0...v0.3.0
+[0.2.0]: https://github.com/ShaneIsley/dozr/compare/v0.1.0...v0.2.0
+[0.1.0]: https://github.com/ShaneIsley/dozr/releases/tag/v0.1.0