fix#13647
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
* **Chores**
* Updated development tooling and build dependencies to latest stable
versions
* Increased minimum Node.js requirement to version 22
* Updated macOS deployment target to version 11.6
* Enhanced type safety and error handling in build processes
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Callout is no longer gated as an experimental option — it now
consistently appears in the editor’s slash menu and toolbar where
applicable.
* **Tests**
* End-to-end slash-menu tests updated to expect the Callout item in
search results and adjusted item ordering.
* **Chores**
* Repository ignore rules updated to exclude .kiro files.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
This PR addresses issue Fixes: #13805 (cross-document copy/paste not
working).
Locally verified that:
- Copy → paste between two documents now works consistently.
- Clipboard snapshot payload remains intact when encoded/decoded.
- External paste (e.g., to Notepad or browser text field) functions
correctly.
E2E tests for clipboard behavior were added, but Playwright browsers
could not be installed in the container (`HTTP 403` from CDN).
Manual verification confirms the fix works as intended.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Added cross-document clipboard regression tests for copy/paste between
documents, external clipboard validation, and multi-block copy;
duplicate test entries noted.
* **Chores**
* Minor formatting and whitespace cleanup around clipboard handling.
* Improved error handling in paste flows.
* Standardized HTML formatting for clipboard payload attributes.
<!-- 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**
* Copilot now defaults to the updated Claude Sonnet 4.5 model across
experiences for improved responses.
* **Chores**
* Consolidated available Anthropic models, removing older Sonnet 3.x
variants and standardizing Sonnet 4/4.5 options.
* Updated configuration defaults and schema mappings to reference the
new Sonnet 4.5 model.
* **Tests**
* Updated unit and end-to-end tests to reference the new model to ensure
consistent behavior.
<!-- 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**
* In-tree icon picker for Callout blocks (emoji, app icons, images) with
popup UI and editor-wide extension/service.
* Callout toolbar adds background color presets, an icon-picker action,
and a destructive Delete action.
* **Refactor**
* Replaced legacy emoji workflow with icon-based rendering, updated
state, styling, and lifecycle for callouts.
* **Tests**
* Updated callout E2E to reflect new default icon and picker behavior.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: L-Sun <zover.v@gmail.com>
for paragraph blocks, image blocks, list blocks, and table blocks
Should fix#8617 and #11254.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added text alignment options (left, center, right) for paragraph,
list, image, note, and table blocks.
- Introduced alignment controls in toolbars and slash menus for easier
formatting.
- Enabled keyboard shortcuts for quick text alignment changes (supports
Mac and Windows).
- **Localization**
- Added English, Simplified Chinese, and Traditional Chinese
translations for new alignment commands and shortcuts.
- **Style**
- Blocks now visually reflect selected text alignment in their layout.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: L-Sun <zover.v@gmail.com>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- New Features
- Press Enter inside a callout splits the paragraph at the cursor into a
new focused paragraph.
- Clicking an empty callout inserts and focuses a new paragraph; emoji
menu behavior unchanged.
- New command to convert a callout paragraph to callout/selection flow
for Backspace handling.
- New native API: ShareableContent.isUsingMicrophone(processId).
- Bug Fixes
- Backspace inside callout paragraphs now merges or deletes text
predictably and selects the callout when appropriate.
- Style
- Callout layout refined: top-aligned content and adjusted emoji
spacing.
<!-- 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**
- Rename dialog now edits per-item explorer icons (emoji or custom) and
can skip name-change callbacks. Doc icon picker added to the editor with
localized "Add icon" placeholder and readonly rendering. Icon editor
supports fallbacks, trigger variants, and improved input/test-id wiring.
- **Style**
- Updated icon picker and trigger sizing and placeholder visuals;
title/icon layout adjustments.
- **Chores**
- Explorer icon storage and module added to persist and serve icons
across the app.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Style**
* Simplified the AI chat composer tip: removed the dynamic
embedding-status tooltip so only a single static caution remains — “AI
outputs can be misleading or wrong.”
* **Tests**
* One end-to-end test related to embedding status was commented out and
is no longer executed.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13591** 👈
* **PR #13590**
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 drag-and-drop stability: draggables, drop targets, and
monitors now respond when option sources or external data change.
- Improved async actions and permission checks to always use the latest
callbacks and error handlers.
- Chores
- Lint/Prettier configs updated to ignore the Git directory.
- Upgraded oxlint dev dependency.
- Tests
- Updated several end-to-end tests for more reliable text selection,
focus handling, and timing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close
[AI-415](https://linear.app/affine-design/issue/AI-415/code-artifact-复制更好的支持code-block和插入正文)
#### PR Dependency Tree
* **PR #13490** 👈
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**
* Editor now deactivates when text selection moves outside the app,
preventing unintended interactions.
* Better handling when selection changes to external content, reducing
cases where the editor stayed active incorrectly.
* **Stability**
* Improved reliability around selection, focus, and visibility changes
to avoid accidental edits or actions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13490** 👈
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
* **Tests**
* Improved test reliability by automatically cleaning up workspace
snapshots during embedding status checks in end-to-end tests.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13434** 👈
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
* **Style**
* Improved clarity of TypeScript error suppression comments across
various test files and helper scripts. Comments now specify the reasons
for ignoring specific type errors, enhancing code readability for
developers.
* **Chores**
* Updated inline comments without affecting application functionality or
user experience. No changes to features, logic, or test outcomes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-407](https://linear.app/affine-design/issue/AI-407)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Ensured that images included in the chat context are now properly sent
as attachments during AI chat interactions.
* **Tests**
* Enhanced chat tests to verify that the AI correctly identifies images
of kittens or cats in its responses.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
> CLOSE AF-2774
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Updated translation tests to use Simplified Chinese instead of German
as the target language.
* Adjusted expected results in assertions to match Chinese characters
"苹果" instead of the German word "Apfel" across relevant test cases.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-395](https://linear.app/affine-design/issue/AI-395)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Improved chat stability by resetting chat action signals after
processing to prevent repeated triggers.
* **New Features**
* Added end-to-end tests for new chat session creation and chat pinning
functionality to enhance reliability.
* **Enhancements**
* Enhanced chat toolbar with test identifiers and pinned state
attributes for better accessibility and testing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: fengmk2 <fengmk2@gmail.com>
> CLOSE AF-2773
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Updated AI chat translation tests to use Simplified Chinese instead of
German, adjusting expected results and assertions accordingly.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2750;
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced a new workspace journals page with date-based navigation,
placeholder UI, and the ability to create daily journals directly from
the page.
* Added a "Today" button for quick navigation to the current day's
journal when viewing other dates.
* **Improvements**
* Enhanced the journal document title display with improved date
formatting and flexible styling.
* Expanded the active state for the journal sidebar button to cover all
journal-related routes.
* Updated journal navigation to open existing entries directly or
navigate to filtered journal listings.
* **Bug Fixes**
* Improved date handling and navigation logic for journal entries to
ensure accurate redirection and creation flows.
* **Style**
* Added new styles for the workspace journals page, including headers,
placeholders, and buttons.
* **Localization**
* Added English translations for journal placeholder text and create
journal prompts.
* **Tests**
* Added confirmation steps in journal creation flows to improve test
reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-367
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Improved document filtering to exclude settings documents and empty
blobs from embedding and status calculations.
* Enhanced embedding jobs to skip processing deprecated documents if a
newer version exists, ensuring only up-to-date documents are embedded.
* **New Features**
* Added a mutation to trigger the cron job for generating missing
titles.
* **Tests**
* Added test to verify exclusion of documents with empty content from
embedding.
* Updated embedding-related tests to toggle embedding state during
attachment upload under simulated network conditions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-351](https://linear.app/affine-design/issue/AI-351)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Disabled action updates related to document IDs and sessions in the AI
chat content panel.
* **Tests**
* Skipped all end-to-end tests for the "should show chat history in chat
panel" scenario across various AI action test suites. These tests will
no longer run during automated testing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Temporarily skipped tests related to chatting with tags and specified
documents due to flakiness.
* Improved chat retry test by streamlining status checks for faster
validation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-301](https://linear.app/affine-design/issue/AI-301)
<img width="571" height="204" alt="截屏2025-07-11 17 33 01"
src="https://github.com/user-attachments/assets/3b7ed81f-1137-4c01-8fe2-9fe5ebf2adf3"
/>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced a new component for adding context (images, documents,
tags, collections) to AI chat via a plus button and popover menu.
* Added notification feedback for duplicate chip additions and image
upload limits.
* Chips panel now supports collapsing and expanding for improved UI
control.
* **Improvements**
* Refactored chip management for better error handling, feedback, and
external control.
* Streamlined image and document uploads through a unified menu-driven
interface.
* Enhanced chip management methods with clearer naming and robust
synchronization.
* Updated chat input to delegate image upload and context additions to
the new add-context component.
* **Bug Fixes**
* Improved cancellation and cleanup of ongoing chip addition operations
to prevent conflicts.
* **Tests**
* Updated end-to-end tests to reflect the new menu-driven image upload
workflow and removed legacy checks.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: fengmk2 <fengmk2@gmail.com>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Tests**
* Removed the test verifying the scroll indicator appears when there are
many chat messages.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13150** 👈
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
* **Tests**
* Added a new end-to-end test to verify creating and displaying comments
on selected text within a document.
* Updated test retry logic to limit retries to 1 in local or non-CI
environments, and to 3 in CI environments without COPILOT enabled.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-260](https://linear.app/affine-design/issue/AI-260)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added theme support to AI chat and message components, enabling
dynamic theming based on the current app theme.
* Introduced a reactive theme signal to the theme service for improved
theme handling.
* Integrated notification and theme services across various AI chat,
playground, and message components for consistent user experience.
* **Refactor**
* Simplified component APIs by removing dependencies on editor host and
related properties across AI chat, message, and tool components.
* Centralized and streamlined clipboard and markdown conversion
utilities, reducing external dependencies.
* Standardized the interface for context file addition and improved type
usage for better consistency.
* Reworked notification service to a class-based implementation for
improved encapsulation.
* Updated AI chat components to use injected notification and theme
services instead of host-based retrieval.
* **Bug Fixes**
* Improved reliability of copy and notification actions by decoupling
them from editor host dependencies.
* **Chores**
* Updated and cleaned up internal imports and removed unused properties
to enhance maintainability.
* Added test IDs for sidebar close button to improve test reliability.
* Updated test prompts in end-to-end tests for consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Before 11m
After 7m
#### PR Dependency Tree
* **PR #13103** 👈
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
* **Tests**
* Expanded cloud end-to-end test coverage by increasing test shards from
6 to 10 for improved parallelization.
* Added a new suite of end-to-end tests focused on page sharing,
including scenarios for sharing links, table of contents, edgeless mode,
and image previews.
* Removed several redundant or relocated sharing-related tests,
retaining only the reference link verification in the affected suite.
* Updated test output format to use the "list" reporter for clearer test
results.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## New Features
* **Block Meta Markdown Adapter**：Inject the Block's metadata into
Markdown.
* **UI**：Apply interaction
* **Widget**
* Block-Level Widget: Displays the diffs of individual blocks within the
main content and supports accepting/rejecting individual diffs.
* Page-Level Widget: Displays global options (Accept all/Reject all).
* **Block Diff Service**：Bridge widget and diff data
* Widget subscribes to DiffMap(RenderDiff) data, refreshing the view
when the data changes.
* Widget performs operations such as Accept/Reject via methods provided
by Service.
* **Doc Edit Tool Card**:
* Display apply preview of semantic doc edit
* Support apply & accept/reject to the main content
* **Apply Playground**：A devtool for testing apply new content to
current
> CLOSE AI-274 AI-275 AI-276 AI-278
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced block-level markdown diffing with accept/reject controls
for insertions, deletions, and updates.
* Added block diff widgets for individual blocks and pages, featuring
navigation and bulk accept/reject actions.
* Provided a block diff playground for testing and previewing markdown
changes (development mode only).
* Added a new document editing AI tool component with interactive diff
viewing and change application.
* Supported rendering of the document editing tool within AI chat
content streams.
* **Improvements**
* Enhanced widget rendering in list, paragraph, data view, and database
blocks for improved extensibility.
* Improved widget flavour matching with hierarchical wildcard support
for more flexible UI integration.
* **Chores**
* Updated the "@toeverything/theme" dependency to version ^1.1.16 across
multiple packages.
* Added new workspace dependencies for core frontend packages to improve
module linkage.
* Extended global styles with visual highlights for deleted blocks in AI
block diff feature.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-121
fix AI-118
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **Bug Fixes**
- Improved handling of connection closures and request abortion for
streaming and non-streaming chat endpoints, ensuring session data is
saved appropriately even if the connection is interrupted.
- **Refactor**
- Streamlined internal logic for managing request signals and connection
events, resulting in more robust and explicit session management during
streaming interactions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #12948** 👈
* **PR #12980**
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 inline comment functionality, allowing users to add,
resolve, and highlight comments directly within text.
* Added a new toolbar action for inserting comments when supported.
* Inline comments are visually highlighted and can be interacted with in
the editor.
* **Enhancements**
* Integrated a feature flag to enable or disable the comment feature.
* Improved inline manager rendering to support wrapper specs for
advanced formatting.
* **Developer Tools**
* Added mock comment provider for testing and development environments.
* **Chores**
* Updated dependencies and project references to support the new inline
comment module.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-259](https://linear.app/affine-design/issue/AI-259)
Close [AI-243](https://linear.app/affine-design/issue/AI-243)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced a unified AI chat content component to manage and display
chat interactions.
* Added new chat block message components for improved chat message
rendering.
* **Refactor**
* Simplified and unified session management across all AI chat
components, now passing full session objects instead of session IDs.
* Updated component and property names for clarity and consistency
(e.g., chat message and block message components).
* Consolidated chat history and actions retrieval for a more streamlined
chat experience.
* Removed redundant session ID getters and replaced them with direct
session object usage.
* Streamlined chat panel and composer components by removing internal
message and context state management.
* **Bug Fixes**
* Improved handling of chat session state and loading, reducing
redundant state properties.
* Enhanced event handling to prevent errors when chat parameters are
missing.
* **Tests**
* Removed outdated chat clearing test cases to align with new chat state
management.
* **Chores**
* Updated import paths and reorganized module exports for better
maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
> CLOSE BS-3582
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added a "Check status" button in the AI chat interface that opens the
embedding settings panel for improved user access.
- **Refactor**
- Simplified the embedding status tooltip to display static information
and a direct link to settings, removing dynamic progress updates.
- Integrated workspace dialog service across AI chat components for
consistent dialog management.
- **Tests**
- Updated end-to-end tests to verify that clicking the "Check status"
button opens the embedding settings panel.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Style**
* Improved visual styling and cursor behavior for chat input send, stop,
and preference trigger buttons.
* Enhanced appearance and interactivity cues for the chat input
preference trigger.
* **Refactor**
* Simplified image preview grid by using CSS hover states for close
button visibility and switching to background images for previews.
* Streamlined image deletion process for a more intuitive user
experience.
* **Tests**
* Updated image upload test to wait for image container elements,
improving test reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Replaced the boolean flag for selecting AI workflow endpoints with a
clear and flexible enum, enhancing clarity and maintainability for
AI-powered features.
* **Tests**
* Simplified example text in AI action tests to improve consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: DarkSky <25152247+darkskygit@users.noreply.github.com>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added enhanced error handling and user-friendly error messages in
quick search and document search menus.
- Introduced loading state indicators for search operations.
- Quick Search now provides explicit error feedback in the UI.
- **Improvements**
- Search and aggregation operations can now prefer remote or local
indexers based on user or system preference.
- Streamlined indexer logic for more consistent and reliable search
experiences.
- Refined error handling in messaging and synchronization layers for
improved stability.
- Enhanced error object handling in messaging for clearer error
propagation.
- Updated cloud workspace storage to always use IndexedDB locally and
CloudIndexer remotely.
- Shifted indexer operations to use synchronized indexer layer for
better consistency.
- Simplified indexer client by consolidating storage and sync layers.
- Improved error propagation in messaging handlers by wrapping error
objects.
- Updated document search to prioritize remote indexer results by
default.
- **Bug Fixes**
- Improved robustness of search features by handling errors gracefully
and preventing potential runtime issues.
- **Style**
- Added new styles for displaying error messages in search interfaces.
- **Chores**
- Removed the obsolete "Enable Cloud Indexer" feature flag; cloud
indexer behavior is now always enabled where applicable.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close
[BS-3251](https://linear.app/affine-design/issue/BS-3251/正文的inline链接，chrome中，中键开新窗口的行为丢失了)
#### PR Dependency Tree
* **PR #12902** 👈
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**
- Middle-clicking on links and references now opens them in a new
browser tab.
- Linux platform detection has been added for improved
environment-specific behavior.
- **Bug Fixes**
- Middle-click paste prevention is now limited to Linux environments
when the relevant setting is disabled and excludes clicks on links and
references.
- **Tests**
- Added end-to-end tests to verify that middle-clicking links opens them
in a new tab for external links, internal links, and reference
documents.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #12848** 👈
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 a feature flag to enable or disable web container
functionality for code block previews.
- **Improvements**
- Code block HTML previews now support an alternative rendering method
based on the new feature flag, enhancing flexibility.
- **Chores**
- Updated feature flag settings by removing an obsolete flag and adding
the new web container flag.
- **Tests**
- Simplified code block preview tests for faster and more direct
validation of HTML preview content.
<!-- 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**
- Added support for image uploads in the chat panel, including upload
limits and user feedback when limits are exceeded.
- Introduced a unified chat input preference menu for selecting AI
models, toggling extended thinking, and enabling web search.
- Menu buttons and menus now support test identifiers for improved
testing.
- **Improvements**
- Updated chat input UI with enhanced styling, consolidated controls,
and simplified feature toggling.
- Improved layout and spacing for chat chips and image preview grids.
- Chat abort icon now adapts to the current color theme.
- **Refactor**
- Replaced the separate AI model selection component with the new chat
input preference menu.
- Streamlined imports and custom element registrations for chat input
preferences.
- **Tests**
- Enhanced test utilities to support the new chat input preference menu
interactions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close BS-3182, #12736
#### PR Dependency Tree
* **PR #12787** 👈
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 the behavior when deleting empty lines and merging blocks,
ensuring more accurate handling of block deletion and cursor focus in
various scenarios.
- **Tests**
- Added new end-to-end tests to verify correct deletion of lines in
edgeless text and paragraph blocks, including checks for block removal
and cursor position.
- Introduced a utility function to retrieve block IDs for testing
purposes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
