release: Python 0.9.0

[TonisOrmisson]

Authorized release: opt-in official Frontend 0.3 and Python-owned extension identifiers. Version/date/readiness updates; legacy plan hashes and upgrade-order warnings preserved. Same spec864e844 and codec0.5.1.post2. Local590 passed,9 skipped; exact90case gate; wheel/sdist+twine and clean wheel/PyPI-dependency install smoke passed. Read-only release review: No findings. Merge and tag only after final CI.

Summary by CodeRabbit

• New Features
  • Added optional official SPSS Frontend 0.3 support when explicitly selected.
  • Added Python-owned identifiers for schema-changing output; older readers may not load this output.
  • Legacy plans retain their canonical JSON and hashes, while recompiling schema-changing syntax may change the plan hash.
• Compatibility
  • Default APIs and CLI behavior remain compatible with previous releases.
  • Plans 0.1 and 0.2 remain unchanged.
• Release
  • Updated the package to version 0.9.0.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 2ef37e8b-8712-4356-9c14-84fd0d0baac7

📥 Commits

Reviewing files that changed from the base of the PR and between f7424a6 and f154f6f.

📒 Files selected for processing (5)

• CHANGELOG.md
• README.md
• docs/release-readiness.md
• pyproject.toml
• tests/test_cli.py

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The release updates package metadata and capability expectations to 0.9.0. Documentation describes explicit official SPSS Frontend 0.3 selection, compatibility boundaries, schema-extension identifiers, and release-readiness evidence.

Changes

0.9.0 release preparation

Layer / File(s)	Summary
Release identity and compatibility contract pyproject.toml, tests/test_cli.py, README.md, CHANGELOG.md	The package and capability version change to 0.9.0. Documentation records explicit official SPSS Frontend 0.3 selection, unchanged Plan 0.1/0.2 behavior, schema-extension identifiers, pinned specification and codec versions, and compatibility limits.
Release gates and verification evidence docs/release-readiness.md	The release-readiness scope, Frontend 0.3 gates, verification results, maintainer checklist, release tag, and package installation checks are updated for 0.9.0 and the 90 effective official cases.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to f154f

The 0.9.0 release metadata and compatibility documentation are aligned, with the supplied validation covering Frontend 0.3 behavior, packaging, and installation. No merge-blocking risk remains.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files. (4 skipped: 4 …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the Python 0.9.0 release, which matches the main changes to release metadata, documentation, readiness checks, and version assertions.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files. (4 skipped: 4 unsupported.)

• Fix all pre-merge checks with AI

✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/v0.9.0

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