docs(changelog): add v0.3.0 entry and bump marketplace plugin version

[bmadcode]

Release notes for v0.3.0, covering #37.

Changelog

One release, one change: skills stop shelling out to a bare python3. The entry explains why it mattered rather than just naming the swap — the failure was silent. Below Python 3.11 the resolver hard-exits on tomllib, and each skill's "if the script fails" path caught it and hand-merged the TOML layers in-context. A run could resolve customization subtly wrong and look completely fine.

Version bump

Marketplace plugin 0.2.0 → 0.3.0.

Worth knowing: it was already drifting. package.json was at 0.2.1 while marketplace.json still said 0.2.0, because nothing in the release workflow touches that file. Compare with bmad-method-test-architecture-enterprise, which has a Sync marketplace version step in publish.yaml plus a test-release-metadata.js guard that fails the suite when the two disagree. That pattern is worth copying here — it would have caught this drift automatically.

package.json is left alone; the release workflow owns it.

Verification

markdownlint and prettier pass. All 10 marketplace skill paths resolve to a real SKILL.md.

Summary by CodeRabbit

• Documentation
  • Added release notes for version 0.3.0.
  • Documented updated setup requirements, including Python 3.11 or newer and uv.
  • Clarified customization resolver execution using uv run.
• Chores
  • Updated the marketplace plugin version to 0.3.0.
  • Standardized changelog bullet formatting.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: abe55bb7-66ba-49fc-ae68-18ceb7534a2a

📥 Commits

Reviewing files that changed from the base of the PR and between 491b8ab and 3d2109a.

📒 Files selected for processing (2)

• .claude-plugin/marketplace.json
• CHANGELOG.md

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Walkthrough

The plugin version changes to 0.3.0. The changelog adds the 0.3.0 release notes and changes existing bullet markers from asterisks to hyphens.

Changes

Release metadata

Layer / File(s)	Summary
Version and changelog update .claude-plugin/marketplace.json, CHANGELOG.md	The marketplace version changes to 0.3.0. The changelog documents uv run, the Python requirement correction, and the uv requirement. Existing release bullets use hyphens.

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

Poem

A rabbit checks the version line,
“0.3.0” looks fine.
New notes hop into the log,
Hyphens march in a tidy flock.
uv leads the way—
A crisp release today!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes both the v0.3.0 changelog entry and the marketplace plugin version bump.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch changelog-release

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