Prepare version 0.2.0

[nonnil]

Prepares the next minor release as 0.2.0 after the concurrent macOS Now Playing arbitration work. Updates the crate, lockfile, manual release workflow default, and publishing example.

The refreshed README is preserved. Download instructions continue to point to the published v0.1.0 assets until v0.2.0 is actually released; merging this PR does not publish a release.

Validation on the resolved tree with Rust 1.88.0:

• Formatting and Clippy with warnings denied passed.
• All 79 tests and the Objective-C MediaRemote helper smoke test passed.
• Release build passed; the binary reports codex-micro-chroma 0.2.0.
• Version consistency and unchanged README checks passed.

Summary by CodeRabbit

• Chores
  • Updated the package version to 0.2.0. Release workflow defaults and the publishing example now use the matching version.

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 85409673-8385-4f22-a983-fa762ace35b9

📥 Commits

Reviewing files that changed from the base of the PR and between f84b5bf and 0b47d94.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• .github/workflows/release.yml
• Cargo.toml
• docs/guide.md

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

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📝 Walkthrough

Walkthrough

The package version, manual release workflow default, and release-publishing example changed from version 0.1.0 to 0.2.0.

Changes

Release version

Layer / File(s)	Summary
Version 0.2.0 release metadata and instructions Cargo.toml, .github/workflows/release.yml, docs/guide.md	The package version, workflow default, and manual release example use version 0.2.0.

Priority: ⬇️ Low

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

Change: Other

Merge Risk: ⚪ Minimal · up to 0b47d

This change aligns package metadata and release instructions at version 0.2.0. No concrete user-facing or deployment risk remains from the reviewed changes.

Architecture Summary

Architecture risk: 🔵 Low · up to 0b47d

The change affects 2 systems.

Changed systems: Cargo.toml, docs

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — Cargo.toml (service) was modified; 1 changed file maps to changed impact.
• observed — docs (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in Cargo.toml: The package version changed from 0.1.0 to 0.2.0.
• observed — Modified behavior in docs/guide.md: The manual release instructions replace the example workflow version and matching tag from 0.1.0 to 0.2.0.
• observed — Modified behavior in .github/workflows/release.yml: The manual version input default changed from 0.1.0 to 0.2.0.

🚥 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, "Prepare version 0.2.0," clearly describes the coordinated version updates in the crate, release workflow, and publishing example.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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)

• Commit to this branch
• Create a new PR

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