chore: bump version to 0.8.0

[ahogappa]

Summary

• Bump version to 0.8.0
• Update CHANGELOG.md with v0.8.0 release notes

Changes in v0.8.0

Added

• Taski::Env class for system-managed execution environment information
• args and workers parameters to Task.new for direct task instantiation
• mock_env helper in TestHelper for mocking environment in tests

Changed

• Separate system attributes from Taski.args to Taski.env
  • Taski.args now holds only user-defined options
  • Taski.env holds system-managed execution environment

Test plan

• All tests pass (358 runs, 938 assertions, 0 failures)
• Lint passes

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features

  • Introduced Taski::Env to access system-managed execution environment (working directory, start time, root task).
  • Added args and workers parameters for direct task instantiation.
  • Added mock_env test helper for testing.

• Changed

  • System environment now accessible via Taski.env; Taski.args now contains only user-defined options.

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[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Version bump from 0.7.1 to 0.8.0 with documentation of new Taski::Env class introduction, Task.new parameter additions, and separation of system environment attributes from user-defined args configuration.

Changes

Cohort / File(s)	Summary
Release 0.8.0 CHANGELOG.md	Adds unreleased 0.8.0 section documenting: new Taski::Env public class for system-managed environment (working_directory, started_at, root_task), args and workers parameters added to Task.new, mock_env test helper, and refactoring separating system attributes from Taski.args into Taski.env
Version Update lib/taski/version.rb	Bumps Taski::VERSION constant from "0.7.1" to "0.8.0"

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• chore: bump version to 0.5.0 #56 — Modifies the same VERSION constant in lib/taski/version.rb, indicating related version management changes to the project
• chore: bump version to 0.6.0 #81 — Updates both version constant and CHANGELOG file, suggesting coordinated release documentation and versioning practices

Poem

🐰 Hop, hop, the versions do climb,
Eight-point-oh marks the perfect time,
Env and args now split with care,
System and user each get their share! ✨

✨ Finishing touches

• 📝 Generate docstrings

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