## Refactor
Align the Markdown conversion logic across all business modules：
1. frontend/backend apply: doc to markdown
2. insert/import markdown： use `markdownAdapter.toDoc`
> CLOSE AI-328 AI-379 AI-380
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Documentation**
* Clarified instructions and provided an explicit example for correct
list item formatting in the markdown editing tool.
* **Bug Fixes**
* Improved markdown parsing for lists, ensuring correct indentation and
handling of trailing newlines.
* Cleaned up markdown snapshot test files by removing redundant blank
lines for better readability.
* **Refactor**
* Updated markdown conversion logic to use a new parsing approach for
improved reliability and maintainability.
* Enhanced markdown generation method for document snapshots with
improved error handling.
* Refined markdown-to-snapshot conversion with more robust document
handling and snapshot extraction.
* **Chores**
* Added a new workspace dependency for enhanced markdown parsing
capabilities.
* Updated project references and workspace dependencies to include the
new markdown parsing package.
* **Tests**
* Temporarily disabled two markdown-related tests due to parse errors in
test mode.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AI-213
#### PR Dependency Tree
* **PR #12846** 👈
* **PR #12811**
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced support for AI-editable blocks in document parsing,
allowing blocks to include metadata for AI-based editing.
- Added rendering for todo list items with markdown checkbox syntax.
- Unsupported block types are now marked with placeholders in the parsed
output.
- **Tests**
- Added new test cases and snapshots to verify parsing behavior with
AI-editable content enabled.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-191
#### PR Dependency Tree
* **PR #12840** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced the ability to convert rich text documents into Markdown,
supporting a wide range of content types such as headings, lists,
tables, images, code blocks, attachments, and embedded documents.
- Added support for parsing collaborative document structures and
rendering them as structured Markdown or parsed representations.
- Enhanced handling of database and table blocks, including conversion
to Markdown tables with headers and cell content.
- **Documentation**
- Added a README noting the use of a forked Markdown converter.
- **Tests**
- Added new test coverage for document parsing features.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #12840** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **Bug Fixes**
- Improved display of image and attachment blocks by ensuring image
captions are shown as content for images, while attachment names remain
as content for attachments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #12815** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
---------
Co-authored-by: fengmk2 <fengmk2@gmail.com>
close CLOUD-225
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added support for reading document blocks without requiring a workspace or root document snapshot.
- **Bug Fixes**
- Improved handling of large workspace snapshots by skipping them when they exceed 10MB.
- **Tests**
- Introduced new test cases to cover scenarios where root or workspace snapshots are absent.
- Expanded snapshot tests for document block reading.
- **Refactor**
- Updated several function signatures to make root and workspace snapshot parameters optional for greater flexibility.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
