fix: waive freshness outside git repositories

[CryptoJones]

Summary

• skip repository freshness requirements when neither cwd nor the action target is in a Git repository
• clarify the generated Codex bootstrap and guard remediation text
• add regression coverage and bump omind to 4.2.1

Validation

• uv run ruff check .
• uv run mypy src
• uv run pip-audit
• uv run pytest -v --cov=omind --cov-report=term-missing (780 passed, 1 skipped; 85.60% coverage)

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[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 86b46914-d3c1-4c5d-8a90-7ae78b73322a

📥 Commits

Reviewing files that changed from the base of the PR and between c8dd543 and 8854547.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (6)

• CHANGELOG.md
• pyproject.toml
• src/omind/__init__.py
• src/omind/guard.py
• src/omind/seeds.py
• tests/test_guard.py

Cache: Disabled due to Reviews > Disable Cache setting

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📝 Walkthrough

Summary by CodeRabbit

• Bug Fixes

  • Repository freshness checks are now skipped when neither the working directory nor the action target is inside a Git repository.
  • Updated guidance clarifies when freshness checks and fetch commands are required.

• Documentation

  • Added release notes for version 4.2.1.

• Chores

  • Updated the package version to 4.2.1.

Walkthrough

The freshness guidance now waives Git checks when both the working directory and action target are outside a repository. A regression test verifies this behavior, and release metadata is updated to version 4.2.1.

Changes

Non-repository freshness waiver

Layer / File(s)	Summary
Freshness guidance and regression coverage src/omind/guard.py, src/omind/seeds.py, tests/test_guard.py	Guard and bootstrap guidance now describe skipping Git freshness checks outside repositories, and a regression test verifies the action is allowed.
Release metadata and changelog pyproject.toml, src/omind/__init__.py, CHANGELOG.md	Package version declarations change to 4.2.1, with a changelog entry documenting the freshness waiver.

Estimated code review effort: 1 (Trivial) | ~5 minutes

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/non-repo-freshness-exemption

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