chore(release): back-merge v0.2.20 into dev

[w7-mgfcode]

Purpose

Sync dev with the v0.2.20 release commit from main. The release-please version/changelog/manifest bump lives only on main; this back-merge carries it into dev so dev reports 0.2.20 and future dev → main release PRs don't re-conflict on release metadata.

Includes

Net diff vs dev is only the release metadata produced by release-please:

• .release-please-manifest.json → 0.2.20
• pyproject.toml → version = "0.2.20"
• CHANGELOG.md → new [0.2.20] section

(Underlying feature commits were already on dev; they reached main via PR #326.)

Validation

• uv run ruff format --check . — passed (333 files already formatted)
• uv run ruff check . — passed (All checks passed!)

⚠️ Merge instruction

Merge this PR with a MERGE COMMIT — NOT squash. A squash would prevent main from becoming an ancestor of dev, causing subsequent dev → main release PRs to keep re-conflicting. (See project convention: back-merge needs a merge commit.)

Summary by Sourcery

Back-merge the v0.2.20 release metadata into the development branch so it reports the correct release version.

Build:

• Update project version to 0.2.20 in pyproject configuration.
• Align release-please manifest version with the v0.2.20 release.

Documentation:

• Add changelog entry documenting the 0.2.20 release features, fixes, and documentation updates.

Chores:

• Synchronize dev branch with main by incorporating the v0.2.20 release changelog and version metadata.

[sourcery-ai]

Reviewer's Guide

Back-merges the v0.2.20 release metadata from main into dev so dev reports version 0.2.20 and contains the corresponding changelog section, relying entirely on release-please outputs and preserving history via a merge commit.

Flow diagram for back-merge of release metadata into dev

flowchart LR
    MainBranch[main v0.2.20]
    DevBranch[dev]
    ReleasePlease[release_please]
    Manifest[.release_please_manifest.json]
    Pyproject[pyproject.toml version 0.2.20]
    Changelog[CHANGELOG.md 0.2.20]

    ReleasePlease --> MainBranch
    MainBranch --> Manifest
    MainBranch --> Pyproject
    MainBranch --> Changelog

    MainBranch -- back_merge_merge_commit --> DevBranch
    DevBranch --> Manifest
    DevBranch --> Pyproject
    DevBranch --> Changelog

Loading

File-Level Changes

Change	Details	Files
Align dev branch release metadata with v0.2.20 release from main.	Add a new 0.2.20 section to the changelog including features, bug fixes, and documentation items generated by release-please. Bump the project version string from 0.2.19 to 0.2.20 in the Python project configuration. Update the release-please manifest to record 0.2.20 as the current release version for the repository.	CHANGELOG.md pyproject.toml .release-please-manifest.json

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✨ Finishing Touches

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[sourcery-ai]

Hey - I've left some high level feedback:

• The new 0.2.20 changelog section contains several duplicate lines for the same issue/feature (e.g., repeated entries for #309, #315, #321, #302, #305, #312, #313, #295), so consider deduplicating these to keep the release notes concise and easier to scan.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The new 0.2.20 changelog section contains several duplicate lines for the same issue/feature (e.g., repeated entries for #309, #315, #321, #302, #305, #312, #313, #295), so consider deduplicating these to keep the release notes concise and easier to scan.

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