chore: prepare Python 0.8.1 patch release

[TonisOrmisson]

Scope

Prepare Python 0.8.1, not publication: bump the package version and existing CLI expectation; summarize the already merged changes since v0.8.0; update README/readiness and retain historical verification as historical.

Includes release notes for metadata integrity, native read snapshots, target-scoped label reads, bounded row-copy/planning improvements and SQLite workflow registration/hash-loop improvements. No additional optimization or runtime implementation change in this PR.

• Unchanged specification: v0.5.0 / 864e84479f554b8ee250ffed44c4dfb963750d4a.
• Unchanged required engine: openstatspec-pyspssio==0.5.1.post2.
• No dependency/schema/support expansion, specification release, auto-merge, tag or registry upload.

Verification

• Python 3.13.2 / SQLAlchemy 2.0.52, exact pinned spec, no database service URLs: 414 passed, 9 skipped, 53 deselected (-m 'not services').
• Existing release-ref guards: 5 passed; compileall and diff check passed.
• Wheel/sdist build + twine check passed. Clean installed wheel, outside the checkout with PYTHONPATH unset, fetched engine 0.5.1.post2 from PyPI and verified 0.8.1 capabilities, exact released spec/policy and core/frontend/legacy compiler imports from site-packages.
• Final local read-only full-diff review of both adapter preparations: No findings. The final checklist-heading edit also passed CLI/release-ref checks (9 passed).
• Final HEAD 7b82097: all 14 jobs succeeded in both PR CI and push CI, including every service profile and package build/install.
• CodeRabbit reviewed 1274180 with no actionable comments; its re-review after the checklist-heading change was rate-limited. Codex review was blocked by usage quota. Neither is claimed as a completed external review of final HEAD.

Publication remains separate

Changelog remains Unreleased. After maintainer merge/authorization, finalize its date, select the exact release commit and verify that commit's full service CI and publishing controls before tagging. v* pushes invoke publication (including the unchanged pinned specification companion package with skip-existing); no tag has been created by this preparation. Stop here—PHP catalog refactoring and deferred optimization candidates are not release gates.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: e1ac4e30-0407-4e60-8561-eeca1391bae4

📥 Commits

Reviewing files that changed from the base of the PR and between 999f6fe and 1274180.

📒 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 project version changes from 0.8.0 to 0.8.1. The changelog documents fixes and performance updates. Release-readiness documentation records verification results and publication steps.

Changes

0.8.1 release preparation

Layer / File(s)	Summary
Version alignment pyproject.toml, README.md, tests/test_cli.py	Package metadata, documentation, and capability tests now use version 0.8.1.
Changelog update CHANGELOG.md	The changelog records fixes, performance changes, documentation updates, cleanup, and unchanged compatibility boundaries.
Release-readiness verification docs/release-readiness.md	The release-readiness document defines the 0.8.1 patch scope, local verification evidence, and publication checks.

Priority: ⬇️ Low

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

Merge Risk: ⚪ Minimal · up to 12741

This prepares version 0.8.1 by aligning package and CLI version references and documenting release scope and checks. No runtime behavior or dependency changes are introduced, and no current 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
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: preparing the Python 0.8.1 patch release.

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/v0.8.1

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[TonisOrmisson]

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