Closes: [BS-3551](https://linear.app/affine-design/issue/BS-3551/citation埋点)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced citation tracking across attachments, bookmarks, embedded documents, paragraphs, footnotes, rename modals, and toolbars for actions like editing, deleting, expanding, and hovering on citations.
- Introduced a centralized citation service to unify citation detection and telemetry event management.
- **Chores**
- Updated service exports and telemetry modules to include the new citation service and citation-related event types.
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Closes: [BS-2578](https://linear.app/affine-design/issue/BS-2578/优化-footnote-预览的逻辑:支持缓存结果,避免重复-loading)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a link preview caching mechanism, enabling faster and more efficient reuse of link preview data across the app.
- Added a feature flag for enabling or disabling link preview cache, configurable through workspace experimental settings.
- Enhanced localization with new entries describing the link preview cache feature.
- **Improvements**
- Updated link preview service architecture for better extensibility and maintainability.
- Improved integration of feature flags throughout chat and rendering components.
- **Bug Fixes**
- Fixed tooltip formatting for footnote URLs.
- **Chores**
- Updated dependencies and localization completeness tracking.
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Closes: [BS-3122](https://linear.app/affine-design/issue/BS-3122/footnote-definition-adapter-适配)
Closes: [BS-3123](https://linear.app/affine-design/issue/BS-3123/几个-block-card-view-适配-footnote-态)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new citation card component and web element for displaying citations.
- Added support for citation-style rendering in attachment, bookmark, and linked document blocks.
- Enabled citation parsing from footnote definitions in markdown for attachments, bookmarks, and linked docs.
- Added a feature flag to enable or disable citation features.
- Provided new toolbar logic to disable downloads for citation-style attachments.
- **Improvements**
- Updated block models and properties to support citation identifiers.
- Added localization and settings for the citation experimental feature.
- Enhanced markdown adapters to recognize and process citation footnotes.
- Included new constants and styles for citation card display.
- **Bug Fixes**
- Ensured readonly state is respected in block interactions and rendering for citation blocks.
- **Documentation**
- Added exports and effects for new citation components and features.
- **Tests**
- Updated snapshots to include citation-related properties in block data.
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