Feature: list command upgrades, toggle list fix, prep for run node

[harbournick]

• Fixes for list commands
• Fixes for toggle list with single and multiple nodes back-and-forth
• Adds tests to list commands
• Adds types to list commands
• Prepares lists to work with run node

[Copilot]

Pull Request Overview

This pull request implements significant improvements to list command functionality, toggle list fixes, and enhanced testing. The changes focus on making list toggling more robust, handling single and multiple node selections, and laying groundwork for run node compatibility.

• Upgraded toggleList command with proper type conversion, selection preservation, and multi-paragraph handling
• Fixed toggle list functionality for converting between list types and unwrapping lists
• Added comprehensive test coverage for list commands with proper mocking infrastructure

Reviewed Changes

Copilot reviewed 21 out of 22 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
toggleList.js	Complete rewrite with improved logic for list toggling, type conversion, and selection handling
toggleList.test.js	Comprehensive test suite covering various toggle scenarios
splitListItem.js	Simplified logic for splitting list items with better handling of multi-paragraph cases
deleteSelection.js	Extracted helper functions into separate modules for better organization
findParentNode.js	Added TypeScript annotations and improved documentation
Various helper files	New utility functions for list operations with comprehensive test coverage

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[harbournick]

🎉 This PR is included in version 0.16.0-next.1 🎉

The release is available on:

• npm package (@next dist-tag)
• GitHub release

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