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# Pull Request Template ## Description This PR changes to translation to properly handle different content types during translation. ### Changes 1. **Email translation with HTML support** - Properly detects and preserves HTML content from emails - Sets `mime_type` to 'text/html' when HTML content is present 2. **Email translation with plain text support** - Falls back to email text content when HTML is not available - Sets `mime_type` to 'text/plain' when HTML is not available and content type includes 'text/plain' 3. **Plain message with plain text support (Non email channels)** - Sets `mime_type` to 'text/plain' for non-email channels - Fixes an issue where Markdown formatting was being lost due to incorrect `mime_type` **Note**: Translation for very long emails is not currently supported. Fixes https://linear.app/chatwoot/issue/CW-4244/translate-button-doesnt-work-in-email-channels ## Type of change - [x] Bug fix (non-breaking change which fixes an issue) - [x] New feature (non-breaking change which adds functionality) ## How Has This Been Tested? **Loom video** https://www.loom.com/share/8f8428ed2cfe415ea5cb6c547c070f00?sid=eab9fa11-05f8-4838-9181-334bee1023c4 ## Checklist: - [x] My code follows the style guidelines of this project - [x] I have performed a self-review of my code - [x] I have commented on my code, particularly in hard-to-understand areas - [ ] I have made corresponding changes to the documentation - [x] My changes generate no new warnings - [x] I have added tests that prove my fix is effective or that my feature works - [x] New and existing unit tests pass locally with my changes - [ ] Any dependent changes have been merged and published in downstream modules