fix: Add additional methods in TaskUpdater

[fjuma]

Small updates to TaskUpdater that I found useful while working on #338

[gemini-code-assist]

Summary of Changes

Hello @fjuma, 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 introduces minor but impactful enhancements to the TaskUpdater utility. It expands the accessibility of a key status update method and adds a new accessor for the task identifier, addressing needs identified during work on another issue. These changes aim to improve the flexibility and usability of TaskUpdater for managing task states and retrieving essential task information.

Highlights

• Method Visibility: The updateStatus method in TaskUpdater that accepts a TaskState and a Message has been changed from private to public, allowing external classes to directly update a task's status with an associated message.
• New Accessor Method: A new public method, getTaskId(), has been added to the TaskUpdater class, providing direct access to the taskId associated with the updater instance.

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[gemini-code-assist]

Code Review

This pull request introduces two small but useful updates to the TaskUpdater class. It adds a getTaskId() method for better data access and makes the updateStatus(TaskState, Message) method public for more flexible status updates. The addition of getTaskId() is a straightforward improvement. For the updateStatus method change, I've added a comment with a suggestion to further improve the API's consistency and prevent potential confusion for developers using this class.

[gemini-code-assist]

Making this method public is a good step towards a more flexible API. However, it creates a slight inconsistency because other methods like requiresInput and requiresAuth allow overriding the isFinal flag, a capability this new generic method lacks. This could be confusing for users of this class.

To improve API consistency, consider also making the three-argument updateStatus method (currently at line 39) public. This would provide a fully flexible generic entry point for all status updates.

A more consistent API design could look like this:

// Convenience overload, as it is now
public void updateStatus(TaskState taskState, Message message) {
    updateStatus(taskState, message, taskState.isFinal());
}

// Generic method with full flexibility, made public
public void updateStatus(TaskState state, Message message, boolean isFinal) {
    // ... current implementation
}

This would make the TaskUpdater API more predictable and robust.

[fjuma]

Updated