chore: release v0.1.0

[github-actions]

🤖 New release

• fest: 0.1.0

Changelog

0.1.0 - 2026-03-06

Added

• in-place mutation, CI/CD, PyPI packaging, and benchmark
• add filtering, session management, per-file config, and seed reports
• add 9 new mutation operators and seed support
• add persistent pytest worker pool for faster mutation testing
• read .coverage SQLite database directly, eliminating coverage json export
• add fancy CLI output with dedicated render task
• add runner backend selection with plugin default and subprocess fallback
• speed up coverage collection with caching and fast backend
• integrate progress and signal into pipeline
• add signal handling module
• add progress module with verbose and bar modes
• add pytest plugin backend with JSON-over-Unix-socket protocol
• add HTML report formatter with source-annotated output
• wire up run() pipeline with registry-from-config
• add report module with types, text reporter, and JSON reporter
• add Runner trait and subprocess fallback backend
• add coverage analysis module with JSON-based coverage parsing
• add mutant generation orchestrator with file discovery and text splicing
• add CLI argument parsing with clap derive
• implement all 8 built-in mutation operators
• add core mutation types, Mutator trait, and MutatorRegistry
• implement config module with types and TOML loading
• add project scaffolding with lib+bin targets and module skeleton
• initial project setup with strict linting and architecture design

Fixed

• resolve CI failures (clippy, fmt, release-plz, Windows long paths)
• animate phase spinner with indicatif steady tick
• invalidate coverage cache when config files change
• resolve coverage paths to absolute for mutant matching
• apply rustfmt and add runner selection TODO
• address code quality review issues in pytest plugin backend
• address spec review issues in HTML reporter
• address code review issues in run() pipeline
• apply nightly formatting and fix silent pyproject.toml error swallowing

Other

• add cosmic-ray feature parity design
• add README and CONTRIBUTING guide
• extract shared build_python_path and remove unused import
• add NO COVERAGE label and div balance tests for HTML reporter

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