### TL;DR
feat: optimize workspace attachment uploading & error display
### What Changes
####
Support for Workspace Attachment Uploading & Error Handling
* Added support for three attachment states: uploading (local), upload failed (local error), and uploaded (persisted). The frontend UI now displays real-time upload progress and error messages.
* Attachments that fail to upload can be deleted directly without confirmation.
* Merged display of uploading and uploaded attachments for a smoother user experience.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Attachments now show real-time upload status including uploading, error, and uploaded states.
- Users can remove failed (error) attachments instantly without confirmation.
- Attachment list merges uploading and uploaded files, displaying up to 10 items.
- **Bug Fixes**
- Improved error handling and messaging for failed attachment uploads.
- **Style**
- Enhanced visual styling for error attachments with distinct colors and backgrounds.
- **Tests**
- Added tests simulating slow network uploads, upload failures, and direct removal of error attachments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
### TL;DR
feat: show embedding progress in settings panel
### What changed
* show embedding progress in settings panel
* polling embedding status based on RxJS
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added real-time embedding progress tracking and display in embedding settings, including a visual progress bar and status messages.
- Introduced localized text for embedding progress statuses.
- Added an optional test ID attribute to the progress bar component for improved testing.
- **Style**
- Added new styles for embedding progress UI elements.
- **Tests**
- Added an end-to-end test to verify embedding progress is displayed correctly in the settings UI.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced "Indexer & Embedding" workspace settings to manage AI embedding for local content, including document ignoring and attachment uploads.
- Added UI components for embedding settings, attachments, and ignored documents with pagination and deletion capabilities.
- Provided comprehensive file-type icons for attachments.
- **Improvements**
- Added a new tab for indexing and embedding in workspace settings navigation.
- Included test identifiers on key UI elements to enhance automated testing.
- **Localization**
- Added English localization strings covering all embedding-related UI text and actions.
- **Bug Fixes**
- Enabled previously skipped end-to-end tests for embedding settings to improve reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
### TL;DR
tests: workspace embedding e2e
> CLOSE BS-3052
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced comprehensive end-to-end tests for workspace embedding settings, including toggling embedding, uploading and managing attachments, pagination, and ignoring documents.
- Added utilities for automated interaction with the settings panel and document creation in tests.
- **Tests**
- Implemented detailed scenarios to verify workspace embedding functionality and user interactions within the settings panel.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
