<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- New Features
- Subscriptions now include an explicit "trial" flag so trialing users
are identified and treated correctly.
- Bug Fixes
- More robust handling when webhook fields are missing or null.
- Improved family-sharing detection to avoid incorrect async processing.
- Refactor
- Status determination and store resolution simplified to rely on
subscription data rather than event payloads.
- Tests
- Test fixtures updated to include trial and store details for accuracy.
<!-- 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**
* RevenueCat support: public webhook endpoint, webhook handler/service,
nightly reconciliation and per-user sync; subscriptions now expose
provider and iapStore; new user-facing error for App Store/Play-managed
subscriptions.
* **Chores**
* Multi-provider subscription schema (Provider, IapStore); Stripe
credentials moved into payment.stripe (top-level apiKey/webhookKey
deprecated); new payment.revenuecat config and defaults added.
* **Tests**
* Comprehensive RevenueCat integration test suite and snapshots.
* **Documentation**
* Admin config descriptions updated with deprecation guidance.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-419
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- New Features
- New API to fetch available models for a prompt, returning default,
optional, and pro models with human‑readable names.
- Added temperature and topP settings to prompt configuration for finer
control.
- Refactor
- When no model is chosen, the default model is used instead of
auto-picking a pro model.
- Model metadata across providers now includes readable names, improving
listings and selection UX.
- Tests
- Updated test snapshots and descriptions to reflect the new
default-model 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
- Added GPT-5 family and made GPT-5/-mini the new defaults for Copilot
scenarios and prompts.
- Bug Fixes
- Improved streaming chunk formats and reasoning/text semantics,
consistent attachment mediaType handling, and more reliable reranking
via log-prob handling.
- Refactor
- Unified maxOutputTokens usage; removed per-call step caps and migrated
several tools to a unified inputSchema shape.
- Chores
- Upgraded AI SDK dependencies and bumped an internal dependency
version.
- Tests
- Updated mocks and tests to reference GPT-5 variants and new stream
formats.
<!-- 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
- Smarter embedding pipeline skips re-embedding when content hasn’t
changed; added content sanitization for embeddings and workspace content
retrieval.
- Bug Fixes
- Re-embedding now requires both a document update and the last
embedding being older than 10 minutes, reducing unnecessary work.
- Refactor
- Consolidated embedding preprocessing and moved sanitization utilities
into shared models; upserts now refresh stored content.
- Tests
- Expanded snapshot-based tests covering multiple time/age scenarios for
embedding decision logic.
<!-- 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 -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Updated scenario names and options for Copilot, including new and
renamed scenarios such as "audio_transcribing,"
"complex_text_generation," "quick_decision_making,"
"quick_text_generation," and "polish_and_summarize."
* Enhanced support for customizing and overriding default model
assignments in Copilot scenarios.
* **Bug Fixes**
* Improved consistency and clarity in scenario configuration and prompt
selection.
* **Documentation**
* Updated descriptions in configuration interfaces to better explain the
ability to use custom models and override defaults.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-404
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced scenario-based configuration for copilot, allowing default
model assignments for various AI use cases.
* Added a new image generation model to the available options.
* **Improvements**
* Refined copilot provider settings by removing deprecated fallback
options and standardizing base URL configuration.
* Enhanced prompt management to support scenario-driven updates and
improved configuration handling.
* Updated admin and settings interfaces to support new scenario
configurations.
* **Bug Fixes**
* Removed deprecated or unused prompts and related references across
platforms for consistency.
* **Other**
* Improved test coverage and updated test assets to reflect prompt and
scenario changes.
<!-- 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**
* Enhanced search functionality to include results from additional
"blob" data sources, providing more comprehensive search results.
* **Bug Fixes**
* Improved messaging to ensure "No results found" is only shown when no
relevant results exist across all data sources.
* **Tests**
* Updated test cases to reflect new keyword contexts, improving
validation accuracy for search-related features.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Improved permission checks when adding context blobs to ensure only
authorized users can perform this action.
* **Refactor**
* Streamlined background processing of blob embeddings by removing
user-specific parameters and simplifying job handling.
<!-- 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**
* Updated test cases to use a new test asset describing AFFiNE.
* Adjusted assertions to check for "AFFiNE" in results instead of
previous keywords.
* Separated and refined the "Continue writing" test for clearer
validation.
* Improved assertion messages for clarity.
<!-- 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**
* Introduced user access tokens, enabling users to generate, list, and
revoke personal access tokens via the GraphQL API.
* Added GraphQL mutations and queries for managing access tokens,
including token creation (with optional expiration), listing, and
revocation.
* Implemented authentication support for private API endpoints using
access tokens in addition to session cookies.
* **Bug Fixes**
* None.
* **Tests**
* Added comprehensive tests for access token creation, listing,
revocation, expiration handling, and authentication using tokens.
* **Chores**
* Updated backend models, schema, and database migrations to support
access token functionality.
<!-- 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 managing "blobs" in Copilot context, including
adding and removing blobs via new GraphQL mutations and UI fields.
* Introduced tracking and querying of blob embeddings within workspaces,
enabling search and similarity matching for blob content.
* Extended Copilot context and workspace APIs, schema, and UI to display
and manage blobs alongside existing documents and files.
* **Bug Fixes**
* Updated context and embedding status logic to handle blobs, ensuring
accurate status reporting and embedding management.
* **Tests**
* Added and updated test cases and snapshots to cover blob embedding
insertion, matching, and removal scenarios.
* **Documentation**
* Updated GraphQL schema and TypeScript types to reflect new
blob-related fields and mutations.
* **Chores**
* Refactored and cleaned up code to support new blob entity and
embedding logic, including renaming and updating internal methods and
types.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-357
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Improved prompt handling to conditionally include document fragments
based on the presence of documents in user queries.
* **Refactor**
* Updated system prompts to focus solely on document fragments, removing
references to file fragments for a more streamlined user experience.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-396](https://linear.app/affine-design/issue/AI-396)
<img width="798" height="294" alt="截屏2025-07-25 11 30 32"
src="https://github.com/user-attachments/assets/6366dab2-688b-470b-8b24-29a2d50a38c9"
/>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Summary by CodeRabbit
* **New Features**
* Introduced a "Section Edit" AI tool for expert editing of specific
markdown sections based on user instructions, preserving formatting and
style.
* Added a new interface and UI component for section editing, allowing
users to view, copy, insert, or save edited content directly from chat
interactions.
* **Improvements**
* Enhanced AI chat and tool rendering to support and display section
editing results.
* Updated chat input handling for improved draft management and message
sending order.
* **Other Changes**
* Registered the new section editing tool in the system for seamless
integration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-392
fix AI-393
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Improved filtering of outdated document ID styles in embedding status
reporting, ensuring more accurate counts of embedded documents.
* Stricter rate limiting applied to workspace embedding status queries
for enhanced system reliability.
* **Bug Fixes**
* Resolved issues with duplicate or outdated document IDs affecting
embedding status totals.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## 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 -->
fix AI-355
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added support for uploading a single file as an attachment when
creating chat messages, in addition to existing multiple file uploads.
* **Tests**
* Expanded test coverage to verify message creation with both single and
multiple file attachments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-359
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added automated cleanup of embeddings for documents deleted or trashed
from workspaces.
* Introduced a new job to schedule and perform this cleanup per
workspace daily and on demand.
* Added new GraphQL mutation to manually trigger the cleanup process.
* Added the ability to list workspaces with flexible filtering and
selection options.
* **Improvements**
* Enhanced document status handling to more accurately reflect embedding
presence.
* Refined internal methods for managing and checking document
embeddings.
<!-- 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 -->
#### PR Dependency Tree
* **PR #13202** 👈
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**
* Improved the "Transcript audio" text action by updating its default AI
model to "gemini-2.5-pro" for enhanced performance.
* Enhanced audio transcription accuracy by refining audio content
handling with a more specific audio format.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: DarkSky <darksky2048@gmail.com>
fix AI-350
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a new option to manually trigger the generation of missing
session titles via a GraphQL query.
* **Improvements**
* The process for generating missing session titles now considers all
eligible sessions, without limiting the number processed at a time.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2732
#### PR Dependency Tree
* **PR #13139** 👈
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**
* Added support for a document summary field, allowing documents to
include and display an optional summary alongside the title.
* **Bug Fixes**
* Improved access control when retrieving documents, ensuring proper
permission checks are enforced.
* **Tests**
* Expanded test coverage to verify correct handling of document title
and summary fields, including cases where the summary is absent.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-281
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a new AI-powered conversation summary tool that generates
concise summaries of key topics, decisions, and details from
conversations, with options to focus on specific areas and adjust
summary length.
* Introduced a new prompt for conversation summarization, supporting
customizable focus and summary length.
* **Bug Fixes**
* Improved tool handling and error messages for conversation
summarization when required input is missing.
* **Tests**
* Expanded test coverage to include scenarios for the new conversation
summary feature.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2723
#### PR Dependency Tree
* **PR #13113** 👈
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**
* Comment attachments now track and display the user who uploaded them.
* **Tests**
* Updated tests to verify that the uploader’s information is correctly
stored and retrieved with comment attachments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
keep compatibility
close AF-2720
#### PR Dependency Tree
* **PR #13091** 👈
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
## Summary by CodeRabbit
* **New Features**
* Added a new `LocalWorkspace` feature flag to server configuration,
enabling more flexible feature management.
* **Deprecations**
* The `allowGuestDemoWorkspace` flag is now deprecated and will be
removed in version 0.25.0. Please use the `features` array for feature
checks instead.
* **Bug Fixes**
* Updated UI and logic throughout the app to rely on the new
`LocalWorkspace` feature flag rather than the deprecated boolean flag.
* **Chores**
* Removed references to `allowGuestDemoWorkspace` from configuration,
queries, and type definitions for improved consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13091** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
close AF-2719
#### PR Dependency Tree
* **PR #13083** 👈
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**
* Added the ability to mark all notifications as read with a single
action.
* **Bug Fixes**
* Ensured notifications marked as read are no longer shown as unread.
* **Tests**
* Introduced new tests to verify the functionality of marking all
notifications as read.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13076** 👈
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 isolation by using unique prompt names and randomized
user emails for each test run.
* Optimized test setup by initializing the testing database once
globally.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
disable on selfhosted
close AF-2715
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added an Apple iTunes app association meta tag to the document share
page for improved app integration, shown only in non-self-hosted
environments.
* **Tests**
* Introduced end-to-end tests to verify the conditional presence of the
Apple iTunes app meta tag based on the deployment environment.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13065** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
close AF-2714
#### PR Dependency Tree
* **PR #13063** 👈
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**
* Added the ability to list all replies for a specific comment.
* **Bug Fixes**
* Improved notification delivery for comment replies, ensuring all
relevant users (comment author, document owner, and all repliers) are
notified appropriately.
* **Tests**
* Added and updated tests to verify correct notification behavior and
the new reply listing functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13037** 👈
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 generating unique user accounts and
prompt names for each test run.
* Updated test setup to streamline database initialization.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2711
#### PR Dependency Tree
* **PR #13033** 👈
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 an end-to-end test to verify that mention notifications are
correctly sent when replying to a comment authored by the document
owner.
* **Refactor**
* Improved the notification logic to streamline how mention and owner
notifications are sent, reducing redundancy and ensuring correct
recipients.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13029** 👈
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**
* Added an option in user settings to enable or disable email
notifications for comments on your documents.
* Updated the user interface to include a toggle for comment email
notifications.
* Extended GraphQL queries and schema to support the new comment email
notification setting.
* **Localization**
* Added new English translations for comment email notification
settings.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2708
#### PR Dependency Tree
* **PR #13018** 👈
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**
* Added notifications for users when their comment receives a reply,
marking them with a mention.
* **Tests**
* Introduced an end-to-end test to verify that replying to a comment
sends a mention notification to the original comment author.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Improved session filtering to use the correct criteria when querying
sessions, ensuring more accurate results based on the action parameter.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
https://github.com/toeverything/AFFiNE/pull/12989#discussion_r2180167232
#### PR Dependency Tree
* **PR #12993** 👈
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**
* The "Comment" feature is now recognized as a server feature and is
enabled by default.
* The server configuration and API schema have been updated to include
the "Comment" feature.
* **Tests**
* Added a new end-to-end test to verify that the "Comment" feature is
enabled by default.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2705
#### PR Dependency Tree
* **PR #12984** 👈
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**
* The Apple OAuth provider is now available only for clients version
0.22.0 or higher.
* Client version detection has been improved by extracting version
information from request headers.
* **Bug Fixes**
* Ensured that the Apple OAuth provider is hidden for clients below
version 0.22.0.
* **Tests**
* Added comprehensive end-to-end and utility tests for OAuth provider
selection and client version extraction.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #12924** 👈
* **PR #12925**
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 comment and comment mention notifications, including email
notifications when users are mentioned or receive comments on documents.
* Added new email templates for comment and comment mention
notifications.
* Users can now control whether they receive comment-related emails via
a new user setting.
* **Bug Fixes**
* None.
* **Documentation**
* Updated GraphQL schema documentation to reflect new notification types
and user settings.
* **Refactor**
* Streamlined and enhanced test coverage for notification and user
settings, including comment notifications.
* **Chores**
* Improved test setup and snapshot coverage for user settings and
notifications.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-227
close CLOUD-230
#### PR Dependency Tree
* **PR #12761** 👈
* **PR #12924**
* **PR #12925**
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 comprehensive commenting system, enabling users to
create, update, resolve, and delete comments and replies on documents.
* Added support for uploading attachments to comments, with clear error
messaging if size limits are exceeded.
* Implemented role-based permissions for comment actions, including a
new "Commenter" role.
* Enabled paginated listing and change tracking of comments and replies
via GraphQL queries.
* Provided full localization and error handling for comment-related
actions.
* **Bug Fixes**
* Improved uniqueness handling when fetching user data for comments and
replies.
* **Documentation**
* Extended GraphQL schema and frontend localization to document and
support new comment features.
* **Tests**
* Added extensive backend test suites covering all comment and reply
functionalities, permissions, and attachment uploads.
<!-- 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**
* Introduced new API endpoints and GraphQL queries to retrieve Copilot
chat sessions by workspace, document, and pinned status, with detailed
session and message information.
* Added support for filtering and querying Copilot chat histories with
new options such as pinned status and message ordering.
* **Bug Fixes**
* Improved filtering logic for listing and retrieving chat sessions,
ensuring accurate results for workspace, document, and pinned session
queries.
* **Tests**
* Expanded and refactored test coverage for session listing, filtering,
and new query options to ensure reliability and correctness of Copilot
session retrieval.
* Updated snapshot data to reflect new session types and filtering
capabilities.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-230
#### PR Dependency Tree
* **PR #12911** 👈
* **PR #12761**
* **PR #12924**
* **PR #12925**
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**
* Added support for uploading and retrieving comment attachments in
workspace documents via a new API endpoint.
* Introduced a service for managing comment attachments, including
storage, retrieval, deletion, and URL generation.
* Implemented localized error messages and improved error handling for
missing comment attachments.
* **Bug Fixes**
* Improved error feedback when comment attachments are not found.
* **Tests**
* Added comprehensive tests for comment attachment storage, retrieval,
deletion, API endpoint behavior, and permission checks.
* **Documentation**
* Updated GraphQL schema and localization files to include new error
types for comment attachments.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
DarkSky