refactor(stores): convert StatusBarManager to Store-based architecture

[kubrickcode]

Remove configManager, configReader, EventBus dependencies and query state directly from Store to simplify component dependencies

• Replace EventBus multi-event subscription with single store.subscribe
• Remove ButtonSetManager dependency (activeSet queried directly from Store)
• Selector-based subscription triggers refresh only on buttons/activeSet changes
• Add error handling for subscription callback

fix #194

[gemini-code-assist]

Summary of Changes

Hello @kubrickcode, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly refactors the StatusBarManager by migrating it to a store-based architecture. This change aims to centralize state management, reduce component coupling, and streamline how the status bar reacts to configuration and button set changes, ultimately making the component more maintainable and predictable.

Highlights

• Dependency Reduction: The StatusBarManager has been refactored to remove direct dependencies on ConfigManager, ConfigReader, EventBus, and ButtonSetManager, simplifying its internal structure.
• Store-based Architecture Adoption: The StatusBarManager now directly queries state from a centralized application store (appStore), aligning with a more robust state management pattern.
• Optimized State Subscription: The previous multi-event subscriptions via EventBus have been replaced with a single store.subscribe call, utilizing a selector to trigger refreshes only when relevant state (buttons or activeSet) changes.
• Improved Error Handling: Error handling has been added to the store subscription callback to gracefully manage potential issues during button refreshes.

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[kubrickcode]

/gemini review

[gemini-code-assist]

Code Review

This pull request is a great refactoring that converts the StatusBarManager to a store-based architecture, which significantly simplifies its dependencies by removing configManager and EventBus. The change to a selector-based subscription with zustand is a solid improvement for performance and maintainability. The test suite has also been updated effectively to reflect these architectural changes.

I've found a few minor areas for improvement related to code style and test duplication that I've detailed in the comments. Overall, this is a high-quality contribution that improves the codebase.

[kubrickcode]

/gemini review

[kubrickcode]

🎉 This PR is included in version 0.10.0 🎉

The release is available on GitHub release

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