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## Summary by CodeRabbit
- New Features
- Press Enter inside a callout splits the paragraph at the cursor into a
new focused paragraph.
- Clicking an empty callout inserts and focuses a new paragraph; emoji
menu behavior unchanged.
- New command to convert a callout paragraph to callout/selection flow
for Backspace handling.
- New native API: ShareableContent.isUsingMicrophone(processId).
- Bug Fixes
- Backspace inside callout paragraphs now merges or deletes text
predictably and selects the callout when appropriate.
- Style
- Callout layout refined: top-aligned content and adjusted emoji
spacing.
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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- The emoji container in callout blocks now automatically hides when no emoji is present, providing a cleaner appearance.
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