<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Chores**
- Removed multiple internal export entries related to effects modules across various packages.
- Updated dependencies and configuration references to improve internal consistency. No visible changes for end-users.
<!-- 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**
- Improved mobile experience by disabling certain toolbars and slash menu features on mobile devices.
- Introduced new modular extension classes for editor and view customization, enabling more flexible configuration of themes, AI features, and editor enhancements.
- Added clipboard adapter configurations for a wide range of data types, improving clipboard compatibility.
- Added a new theme extension specifically for preview scenarios.
- Provided new hooks for block scope management in document modules.
- **Refactor**
- Streamlined editor extension setup, consolidating options and reducing complexity for better maintainability.
- Reorganized mobile-specific extension exports for clearer usage.
- Refined React-to-Lit rendering API by introducing a typed alias and updating related function signatures.
- Simplified extension registration by splitting monolithic view extension into separate common and editor view extensions.
- **Bug Fixes**
- Corrected naming inconsistencies in internal effect tracking.
- **Chores**
- Updated type exports and documentation comments for improved clarity and consistency.
- Removed unused or redundant exports and functions to clean up the codebase.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [BS-3268](https://linear.app/affine-design/issue/BS-3268/edgeless-下，-dark-mode-embed的配色应该更加清晰)
Close [BS-3067](https://linear.app/affine-design/issue/BS-3067/在embed上，添加split-view等相关的操作入口，基本接近page-block（见设计稿）)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced an interactive header for embedded synced documents with fold/unfold toggle, document opening, and multiple view options.
- Added info and copy link buttons for embedded synced documents and notes to improve document management and sharing.
- **Enhancements**
- Updated styles for embedded synced document blocks and headers for better visual consistency.
- Added new localization entries for header actions: "Fold", "Unfold", and "Open".
- Disabled redundant open document actions in toolbars, centralizing controls in the header.
- **Refactor**
- Unified header button components for notes and embedded synced documents into reusable components.
- Simplified header components by delegating button behaviors to shared components.
- **Bug Fixes**
- Fixed conditional rendering of editor content in embedded synced documents when folded.
- **Chores**
- Upgraded theme dependency version from "^1.1.12" to "^1.1.14" across multiple packages.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: BS-3360
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new viewport overlay widget, making it available as part of the workspace and enabling its integration into supported pages.
- **Refactor**
- Updated internal imports and exports to utilize the new viewport overlay widget package.
- Streamlined widget registration and extension mechanisms for improved modularity.
- **Chores**
- Added configuration and project references to support the new viewport overlay widget package in the build system.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: BS-3226
Closes: BS-3227
Closes: BS-3228
Closes: BS-3229
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced new view extensions for remote selection, scroll anchoring, slash menu, and toolbar widgets, enhancing customization and integration capabilities.
- **Refactor**
- Updated export paths and module structure for widget-related packages to improve modularity and accessibility.
- Reorganized internal dependencies and removed redundant widget imports from core block packages.
- Refactored edgeless-related widgets and components to use a standardized scope interface for improved context and state management.
- Centralized graphics controller access and slot management through standardized context objects.
- **Chores**
- Added and updated dependencies to streamline extension loading and workspace management.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
