<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Improvements**
- Increased the default concurrency for background tasks, enhancing processing efficiency.
- Improved handling of empty or unsupported documents to ensure consistent processing.
- Optimized document filtering to exclude certain documents from processing, improving performance.
- **Bug Fixes**
- Enhanced detection of empty document summaries, reducing errors during processing.
<!-- 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 a new AES key for license management, improving license encryption and decryption processes.
- **Bug Fixes**
- Improved error messages and handling when activating expired or invalid licenses.
- **Refactor**
- Updated license decryption logic to use a fixed AES key instead of deriving one from the workspace ID.
- Added validation for environment variable values to prevent invalid configurations.
- **Tests**
- Enhanced license-related tests to cover new key usage and updated error messages.
- Updated environment variable validation tests with clearer error messages.
- **Chores**
- Updated environment variable handling for improved consistency.
- Set production environment variable explicitly in build configuration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-14
fix AI-17
fix AI-39
fix AI-112
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Expanded and reorganized prompt options for text and image actions, adding new prompts for image generation, style conversions, upscaling, background removal, and sticker creation.
- Enhanced image editing capabilities with direct support for image attachments in prompts.
- **Improvements**
- Updated prompt names and descriptions to be more user-friendly and descriptive.
- Simplified and clarified prompt selection and image processing workflows with improved default behaviors.
- Better organization of prompts through clear grouping and categorization.
- **Bug Fixes**
- Improved validation and handling of image attachments during editing requests.
- **Refactor**
- Internal code restructuring of prompts and provider logic for clarity and maintainability without affecting user workflows.
- Refined message handling and content merging logic to ensure consistent prompt processing.
- Adjusted image attachment rendering logic for improved display consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Support [AI-82](https://linear.app/affine-design/issue/AI-82).
Added a `TextStreamParser` class to standardize formatting of different types of AI stream chunks across providers.
### What changed?
- Created a new `TextStreamParser` class in `utils.ts` that handles formatting of various chunk types (text-delta, reasoning, tool-call, tool-result, error)
- Refactored the Anthropic, Gemini, and OpenAI providers to use this shared parser instead of duplicating formatting logic
- Added comprehensive tests for the new `TextStreamParser` class, including tests for individual chunk types and sequences of chunks
- Defined a common `AITools` type to standardize tool interfaces across providers
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced formatting and structure for streamed AI responses, including improved handling of callouts, web search, and web crawl results.
- **Refactor**
- Streamlined and unified the processing of streamed AI response chunks across providers for more consistent output.
- **Bug Fixes**
- Improved error handling and display for streamed responses.
- **Tests**
- Added comprehensive tests to ensure correct formatting and handling of various streamed message types.
<!-- 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 reliability of batch write operations to search providers, ensuring documents are correctly indexed and retrievable.
- **Tests**
- Added new test cases and snapshots to verify batch write functionality and confirm resolution of prior batch processing issues.
<!-- 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 a GraphQL mutation to validate multiple app configuration updates, returning detailed validation results for each item.
- Extended the API schema to support validation feedback, enabling client-side checks before applying changes.
- Introduced a detailed, parameterized error message system for configuration validation errors.
- Enabled validation of configuration inputs via the admin UI with clear, descriptive error messages.
- **Improvements**
- Enhanced error reporting with specific, context-rich messages for invalid app configurations.
- Simplified admin settings UI by removing the confirmation dialog and streamlining save actions.
- Improved clarity and maintainability of validation logic and error handling components.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Chores**
- Removed detailed verbose logging for Elasticsearch requests to reduce log noise.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2658
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Tests**
- Added new test cases and snapshots to enhance coverage for search results involving empty or missing fields like summary, title, and ref_doc_id.
- Verified consistent handling of empty string values and absence of fields across different search providers.
- **Bug Fixes**
- Improved handling of empty string values for specific fields by converting them to null to ensure consistent search result formatting.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-63
fix PD-2567
fix AI-150
fix AI-149
fix AI-148
fix AI-147
fix AI-146
fix AI-145
fix AI-144
fix AI-143
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced AI-generated responses for writing and code-related prompts with detailed, structured instructions for improved clarity and consistency.
- Updated AI model for multiple prompts to deliver faster and more accurate results.
- **Bug Fixes**
- Improved test validation for code explanation and error-checking prompts to better recognize correct outputs.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Support [AI-59](https://linear.app/affine-design/issue/AI-59)
Deprecated use of the perplexity model. Makes chat and search use the same prompt content.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
- **New Features**
- Added support for two new AI models: Claude Opus 4 and Claude Sonnet 4, enabling enhanced text and image input capabilities.
- Introduced a new chat prompt with detailed instructions for specialized AI interactions within AFFiNE.
- **Refactor**
- Improved prompt management for AI chat and search features by centralizing shared settings for better consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-125](https://linear.app/affine-design/issue/AI-125)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added new provider configurations `geminiVertex` and `anthropicVertex` for Google Vertex AI in backend schema, provider classes, and admin config.
- Introduced `GeminiVertexProvider` and `AnthropicVertexProvider` classes supporting Vertex AI models with specific capabilities.
- Expanded model options for transcription prompts with newer Gemini models.
- Re-exported provider modules to include Vertex AI variants.
- **Improvements**
- Extended provider architecture to support separate Vertex AI configurations and models.
- Updated test setup to replace deprecated provider references with new Vertex variants.
- Consolidated environment variables for server testing with a single `SERVER_CONFIG`.
- **Bug Fixes**
- Updated mock models and import references in tests to align with new provider classes.
- **Chores**
- Added `@ai-sdk/google-vertex` dependency for Vertex AI support.
- Updated dependency list to include `@ai-sdk/google-vertex`.
<!-- 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 reliability by ensuring certain features are only enabled when required support and configuration are present, reducing the risk of runtime errors.
- Enhanced platform detection logic for better accuracy across different environments, including macOS and Windows systems.
<!-- 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**
- Implemented an exponential backoff retry strategy for job queues, resulting in progressively longer wait times between retry attempts.
<!-- 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 system stability by ensuring that indexing jobs do not run when the indexer feature is disabled.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-10
fix AI-109
fix PD-2484
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added a method to check if a document requires embedding, improving embedding efficiency.
- Enhanced document embeddings with enriched metadata, including title, summary, creation/update dates, and author information.
- Introduced a new type for document fragments with extended metadata fields.
- **Improvements**
- Embedding logic now conditionally processes only documents needing updates.
- Embedding content now includes document metadata for more informative context.
- Expanded and improved test coverage for embedding scenarios and workspace behaviors.
- Event emission added for workspace embedding updates on client version mismatch.
- Job queueing enhanced with prioritization and explicit job IDs for better management.
- Job queue calls updated to include priority and context identifiers in a structured format.
- **Bug Fixes**
- Improved handling of ignored documents in embedding matches.
- Fixed incorrect document ID assignment in embedding job queueing.
- **Tests**
- Added and updated snapshot and behavioral tests for embedding and workspace document 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
- **New Features**
- Added support for a timezone parameter in chat prompts, allowing for more personalized AI responses.
- **Documentation**
- Updated the system prompt for "Chat With AFFiNE AI" to a clearer, sectioned format with detailed instructions and improved privacy emphasis.
- Introduced a structured markup format to guide AI response formatting, citations, and interaction rules.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-221
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Bug Fixes**
- Resolved an issue that could cause the document listing process to enter an infinite loop under certain conditions.
<!-- 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 the ability for workspace owners to approve members under review, with different approval processes for team and non-team workspaces.
- **Bug Fixes**
- Improved accuracy of workspace seat quota calculations for member management.
- **Tests**
- Enhanced test coverage and consistency for workspace member actions, including approval and revocation scenarios.
<!-- 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**
- Users are now prevented from deleting their account if they own one or more team workspaces. A clear error message instructs users to transfer ownership or delete those workspaces first.
- Disabled (banned) users are explicitly prevented from signing in or re-registering.
- Added new error messages and translations to improve clarity around account deletion restrictions.
- **Bug Fixes**
- Disabled users are now explicitly handled to prevent sign-in attempts.
- **Tests**
- Introduced comprehensive end-to-end tests covering account deletion, banning, and re-registration scenarios.
- **Chores**
- Improved event handling for user deletion and subscription cancellation.
- Updated localization resources with new error messages.
- Renamed payment event handler class for clarity.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-125](https://linear.app/affine-design/issue/AI-125)
What Changed?
- Add `gemini-2.5-flash-preview-04-17` model
- Add `thinkingConfig` provider options
- Add callout syntax highlighting
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added support for the "Gemini 2.5 Flash" model and updated the "Gemini 2.5 Pro" model to a newer version.
- Enhanced streaming responses to better format reasoning outputs and provide clearer callouts in AI-generated content.
- **Bug Fixes**
- Improved audio transcription prompts in test cases for more accurate and explicit testing.
- **Documentation**
- Expanded citation instructions for AI chat responses, including examples for multiple citations.
- **Chores**
- Updated the "@ai-sdk/google" dependency to a newer version.
<!-- 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 input validation and error reporting for chat messages, attachments, and embeddings, with clearer error messages for invalid inputs.
- Enhanced support for multimodal messages, including attachments such as images or audio.
- **Refactor**
- Unified and streamlined parameter validation across AI providers, resulting in more consistent behavior and error handling.
- Centralized parameter checks into a common provider layer, removing duplicate validation code from individual AI providers.
- **Tests**
- Simplified and consolidated audio transcription test stubs for better maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-4
fix AI-18
better provider/model choose to allow fallback to similar models (e.g., self-hosted) when the provider is not fully configured
split functions of different output types
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Tests**
- Refactored test setup for the database-backed document reader to improve modularity and clarity.
- Simplified database initialization and cleanup in tests.
- Updated mocks and assertions to align with the new test structure.
- Maintained existing test coverage and logic.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-220
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new service to handle indexing-related events and scheduled tasks, improving the management of document and workspace indexing.
- Added support for configuring the indexer feature via the AFFINE_INDEXER_ENABLED environment variable.
- **Bug Fixes**
- Ensured that indexing and deletion jobs are only enqueued when the indexer feature is enabled.
- **Tests**
- Added comprehensive tests for the new indexing event service, covering various configuration scenarios.
- Removed obsolete test related to auto-indexing scheduling.
- **Chores**
- Updated configuration descriptions and mappings to improve clarity and environment variable support.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-131
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Refactor**
- Updated database schema to consolidate unique constraints into composite primary keys for embedding-related data, improving consistency.
- Changed the relation in the Snapshot model to allow multiple embeddings.
- Improved filtering logic for documents and snapshots based on embedding existence.
- Reformatted SQL queries and schema attributes for improved readability; no changes to functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix CLOUD-219
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Bug Fixes**
- Ensured that documents without content now receive a placeholder embedding, improving consistency in document processing.
<!-- 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 a configurable batch size setting for automatic workspace indexing. Users can now adjust how many workspaces are indexed per batch, with a default value of 10 and support for values between 1 and 1000.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-127
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added automated event handling for workspace updates and document embedding, streamlining document embedding workflows.
- Introduced detection and queuing of documents needing embedding, excluding ignored documents.
- **Improvements**
- Enhanced performance of embedding-related searches by filtering results at the database level.
- Increased concurrency for embedding job processing to improve throughput.
- **Bug Fixes**
- Improved error handling and fallback for missing document titles during embedding.
- Added safeguards to skip invalid embedding jobs based on document identifiers.
- **Tests**
- Expanded test coverage for document embedding and ignored document filtering.
- Updated end-to-end tests to use dynamic content for improved reliability.
- Added synchronization waits in document creation utilities to improve test stability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
CLOUD-214
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved search functionality to support stemming, allowing searches for variations of words (e.g., "window", "windows", "design") to return relevant results.
- **Tests**
- Added new tests to verify that search results correctly highlight and match stemmed word variations in document titles.
<!-- 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 email notification handling to prevent errors from interrupting other processes when sending emails is not possible.
- **Refactor**
- Updated internal email sending logic across notifications and workspace features for more robust operation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close AF-2607
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Refactor**
- Removed Telegram icon and link from the footer and About settings sections.
<!-- 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 the accuracy of workspace member overcapacity calculation.
- Corrected seat allocation handling for one-time license variants, ensuring proper event emission and bypassing unnecessary updates.
- **Refactor**
- Streamlined internal logic by removing an obsolete method related to seat count checks.
- **Tests**
- Removed a workspace member list pagination test to streamline end-to-end 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
- **New Features**
- Added platform-specific monitoring integration for Google Cloud Platform (GCP) in multiple services, enabling automated pod monitoring for deployments on GCP.
- **Chores**
- Removed an unused dependency related to Google Cloud monitoring from the backend server package.
- **Refactor**
- Updated internal monitoring implementation by removing a previously used metric reader method for GCP integration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-207
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced automated periodic indexing of workspaces with a new job type and a scheduled cron job running every 30 seconds.
- Added a unique sequential identifier (`sid`) and an "indexed" flag to workspaces to track indexing status.
- **Improvements**
- Enhanced workspace indexing to handle missing workspaces and snapshots distinctly and selectively index documents.
- Added ability to query workspaces after a given identifier with result limits.
- **Bug Fixes**
- Improved error handling and logging during workspace indexing operations.
- **Tests**
- Expanded test coverage for workspace indexing and auto-indexing, including scheduling and edge cases.
- **Chores**
- Updated data models and schema to support new workspace fields and indexing features.
- Enhanced mock data utilities to allow custom timestamps.
- Improved type safety and flexibility in document snapshot retrieval.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-208
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced document access control with batch permission checks, enabling efficient filtering of documents based on user roles and permissions.
- Added detailed document-level role and permission management for workspace users.
- **Bug Fixes**
- Improved accuracy in filtering search results to only display documents users have permission to read.
- **Tests**
- Added comprehensive tests for document-level permission filtering and search result accuracy.
- Introduced new mock utilities to support permission-related test scenarios.
- **Refactor**
- Simplified and optimized permission logic for determining user roles and document access.
- **Documentation**
- Updated type definitions for improved clarity in permission 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
- **Bug Fixes**
- Improved the accuracy of document matching by excluding ignored documents from search results.
- **Chores**
- Updated internal handling of ignored document lists for better consistency and reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-86](https://linear.app/affine-design/issue/AI-86)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced AI model switching in chat, allowing users to select from multiple AI models during conversations.
- Added a floating menu for easy AI model selection within the chat interface.
- Enabled visibility of the AI model switcher through a new experimental feature flag, configurable in workspace settings (canary builds only).
- **Enhancements**
- Improved session management in the chat panel for smoother model switching and state handling.
- Updated localization to support the new AI model switch feature in settings.
- **Bug Fixes**
- None.
- **Chores**
- Registered new components and services to support AI model switching functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-217
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a dedicated test job for Elasticsearch, running only Elasticsearch-specific tests during CI.
- **Chores**
- Enhanced server test workflows with explicit setup steps and automated coverage uploads.
- Improved test suite structure for Elasticsearch provider to enable conditional and asynchronous test execution based on environment variables.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-126](https://linear.app/affine-design/issue/AI-126)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new web crawling tool, allowing users to extract live content from specific web pages in addition to traditional web search.
- **Improvements**
- Enhanced error handling for web search and web crawl operations, providing clearer failure messages.
- Updated terminology in AI prompts and user-facing messages to reflect the new web search/crawl capabilities.
- Improved formatting of web search and crawl results for better readability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-116](https://linear.app/affine-design/issue/AI-116)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added the ability to retrieve detailed information for a specific Copilot session by its ID, including model metadata and optional models, via the user interface and API.
- Session data now includes additional fields such as the model used and a list of optional models.
- Enhanced GraphQL queries and UI components to support fetching and displaying these new session details.
- **Improvements**
- Session lists now provide richer information, including model details, for each session.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
close CLOUD-137
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced advanced workspace-scoped search and aggregation capabilities with support for complex queries, highlights, and pagination.
- Added pluggable search providers: Elasticsearch and Manticoresearch.
- New GraphQL queries, schema types, and resolver support for search and aggregation.
- Enhanced configuration options for search providers in self-hosted and cloud deployments.
- Added Docker Compose services and environment variables for Elasticsearch and Manticoresearch.
- Integrated indexer service into deployment and CI workflows.
- **Bug Fixes**
- Improved error handling with new user-friendly error messages for search provider and indexer issues.
- **Documentation**
- Updated configuration examples and environment variable references for indexer and search providers.
- **Tests**
- Added extensive end-to-end and provider-specific tests covering indexing, searching, aggregation, deletion, and error cases.
- Included snapshot tests and test fixtures for search providers.
- **Chores**
- Updated deployment scripts, Helm charts, and Kubernetes manifests to include indexer-related environment variables and secrets.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
