## New

- Direct message sending from the tab composer using messages.sendMessage().
- Optional permission request for direct sending.
- Automatic fallback to Thunderbird’s standard compose-based sending when the permission is declined or unavailable.
- Reply threading preserved using In-Reply-To and References headers.
- Sending progress bar for direct messages.
- Automatic tab closing after a successful direct send.
- Onboarding page after installation to enable direct sending.
- Interface available in French, English, German, Spanish and Italian.
- Improved drafts, attachments, contacts and signature handling.

## Compatibility

- Thunderbird 140 or later.
- Direct sending is available only with Thunderbird 153 or later.
- Direct sending also requires the user to grant the optional messages.send permission.
- If the permission is declined, or if direct sending is unavailable, the standard compose-based sending method remains available.

## Summary

Add a setting to show or hide the contact list in the tab composer.

## Changes

- Added the option to the settings page.
- Added a toggle button directly in the composer.
- Persisted the setting with `browser.storage.local`.
- Contacts are visible by default.
- Added translations for French, English, German, Spanish, and Italian.
- Bumped the extension version to `0.3.0`.

- Fixed HTML signatures containing inline data: images.
- Preserved image-only signatures instead of treating them as empty.
- Converted embedded signature images to inline MIME attachments.
- Updated the extension Content Security Policy to allow data: images.
- Improved signature rendering in the tab-based composer.

- Added a compact emoji picker popover to the formatting toolbar.
- Preserved the editor cursor position when inserting an emoji.
- Added closing behavior after selection, on outside click, and with the Escape key.
- Improved keyboard focus, accessibility attributes, and theme integration.
- No new permissions were introduced.

Removing the xpi archive from the userChrome.css file