Turn Apple Mail into an AI Extension

[danteissaias]

Description

Closes #17615

This PR turns the Apple Mail extension into an AI extension.

Supported tools:

• Search emails
• List addresses
• Send email

Also added support for setting the default mail account, which is now used as the default in Compose New Message and by the AI when sending an email.

How does email searching work?

I have opted for a combination of searching the local .emlx files on the filesystem using ripgrep (which this extension downloads a copy of) and using the SQLite database for filtering by date and sender. This approach is necessary because Apple does not store the complete content of all emails within the SQLite database.

Screencast

Checklist

• I read the extension guidelines
• I read the documentation about publishing
• I ran npm run build and tested this distribution build in Raycast
• I checked that files in the assets folder are used by the extension itself
• I checked that assets used by the README are placed outside of the metadata folder

[raycastbot]

Thank you for your contribution! 🎉

🔔 @yug2005 @ikupenov @pernielsentikaer @fengtianze @tleo19 @Luk4h @jfkisafk @StevenRCE0 @ridemountainpig @ViGeng you might want to have a look.

You can use this guide to learn how to check out the Pull Request locally in order to test it.

Due to our current reduced availability, the initial review may take up to 10-15 business days

[greptile-apps]

PR Summary

This PR adds AI capabilities to the Mail extension by introducing tools for searching emails, listing addresses, and sending emails, along with support for default mail account management.

• Critical security vulnerability: SQL injection risk in list-addresses.ts where query parameter is directly interpolated into SQL without sanitization
• Missing error handling in getPersistenceInfo.ts for file access and parsing failures
• Recommend wrapping file operations in ripgrep.ts with try-catch blocks and adding proper cleanup for failed downloads
• Need input validation for email addresses and content in send-email.ts before processing
• Consider adding rate limiting for database operations in search-messages.ts to prevent performance issues with large mailboxes

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[greptile-apps]

style: AI instructions use gendered language ('he needs'). Consider using gender-neutral language ('they need')

[greptile-apps]

style: Consider making this type readonly to prevent accidental mutations of the parsed data.