<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved file selection dialogs for attachments, imports, and uploads, allowing for more consistent and streamlined file picking across the app.
- **Bug Fixes**
- Resolved inconsistencies when selecting single or multiple files, ensuring a smoother user experience during file import and upload.
- **Refactor**
- Unified and simplified file selection logic throughout the app for better reliability and maintainability.
- Standardized import functions to uniformly handle arrays of files, enhancing consistency in file processing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: [BS-3438](https://linear.app/affine-design/issue/BS-3438/attachment-embed-view-中的-status-组件)
Closes: [BS-3447](https://linear.app/affine-design/issue/BS-3447/触发-litportal-re-render)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a visual status indicator for embedded attachments with reload capability.
- Added a new resource status component to display error messages and reload actions.
- **Improvements**
- Enhanced attachment rendering flow with reactive state and unified embed handling.
- Simplified resource state and blob URL lifecycle management.
- Added status visibility flags for PDF and video embeds.
- **Bug Fixes**
- Improved error handling and refresh support for embedded content including PDFs, videos, and audio.
- **Style**
- Added styles for the attachment embed status indicator positioning.
- **Refactor**
- Streamlined attachment and resource controller implementations for better maintainability.
- **Tests**
- Added end-to-end test verifying PDF viewer reload and re-rendering in embed mode.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: [BS-3352](https://linear.app/affine-design/issue/BS-3352/[improvement]-附件上传时禁止切-view)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Bug Fixes**
- Improved the logic for enabling or disabling the embed and card actions in the attachment toolbar, ensuring actions are only available when the file is ready and conditions are met.
- **Refactor**
- Enhanced reliability by centralizing block state checks and refining conditions for action availability in the attachment dropdown menu.
- Centralized resource state management with a new computed signal, improving consistency in loading and error state handling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: [BS-3143](https://linear.app/affine-design/issue/BS-3143/更新-attachment-错误样式)
Closes: [BS-3341](https://linear.app/affine-design/issue/BS-3341/attachment-select状态ui调整)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved attachment block with unified reactive state handling for loading, errors, and downloads.
- Enhanced card layouts with modular rendering and dynamic buttons based on state.
- **Bug Fixes**
- Fixed UI state for "Embed view" action, now correctly disabled when not embedded.
- Resolved attachment card styling issues and text overflow with new utility classes.
- **Refactor**
- Streamlined attachment block rendering and state management for better performance and maintainability.
- Updated toolbar configuration for consistent parameter naming.
- Simplified embedded and open methods for improved clarity.
- Made internal functions private to reduce exported API surface.
- **Chores**
- Removed unused icon export and legacy upload tracking functions.
- Updated attachment utilities to use reactive state, added data refresh, and improved error handling.
- Refined image dimension handling for consistent resizing behavior.
- Improved test selectors to target focused attachment containers for better reliability.
- Refactored CSS to separate container and card styling and adopt theme-based colors consistently.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: [BS-3303](https://linear.app/affine-design/issue/BS-3303/改進-pack-attachment-props-流程)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced attachment and image uploads with improved file size validation and clearer notifications.
- Upload telemetry tracking added for attachments to monitor upload success or failure.
- **Refactor**
- Streamlined and unified the process of adding attachments and images, making uploads more reliable and efficient.
- Parameter names updated for clarity across attachment and image insertion features.
- **Documentation**
- Updated API documentation to reflect parameter name changes for consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
L-Sun
