#### PR Dependency Tree
* **PR #14732** 👈
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**
* Cloudflare Workers AI added as a Copilot provider (configurable in
admin settings).
* Gemini 3.1 Flash Lite Preview model made available.
* **Behavior Changes**
* Reranking now uses a different default model identifier (affects
relevancy scores).
* **Tests**
* Rerank tests adjusted to focus on the updated model and expected
results.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #14620** 👈
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**
* Native LLM workflows: structured outputs, embeddings, and reranking
plus richer multimodal attachments (images, audio, files) and improved
remote-attachment inlining.
* **Refactor**
* Tooling API unified behind a local tool-definition helper;
provider/adapters reorganized to route through native dispatch paths.
* **Chores**
* Dependency updates, removed legacy Google SDK integrations, and
increased front memory allocation.
* **Tests**
* Expanded end-to-end and streaming tests exercising native provider
flows, attachments, and rerank/structured scenarios.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #14583** 👈
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 Gemini 3.1 Pro Preview support (text, image, audio) and new
GPT‑5 variants as defaults; centralized persistent telemetry state for
more reliable client identity.
* **UX**
* Improved model submenu placement in chat preferences.
* More robust mindmap parsing, preview, regeneration and replace
behavior.
* **Chores**
* Bumped AI SDK and related dependencies.
* **Tests**
* Expanded/updated tests and increased timeouts for flaky flows.
<!-- 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**
* Updated backend service dependencies to the latest stable versions for
improved performance and security.
* Upgraded UI component library dependencies to the latest minor
releases.
* **Improvements**
* Enhanced web search functionality for better search results on
standard AI models.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
<!-- 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
- Bug Fixes
- Enforced a consistent step limit for AI responses across providers,
preventing excessively long generations in both text and streaming modes
for more predictable results.
- Refactor
- Centralized step limit configuration into a shared provider, ensuring
uniform behavior across providers and simplifying future maintenance.
- Standardized application of step limits in text generation and
streaming flows to align provider behavior and improve overall
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
- 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 -->
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 -->
fix AI-398
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added support for specifying fallback models for multiple AI
providers, enhancing reliability when primary models are unavailable.
* Providers can now fetch and update their list of available models
dynamically from external APIs.
* Configuration options expanded to allow custom base URLs for certain
providers.
* **Bug Fixes**
* Improved model selection logic to use fallback models if the requested
model is not available online.
* **Chores**
* Updated backend dependencies to include authentication support for
Google services.
<!-- 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**
* Footnotes are now included in streamed AI responses, formatted as
markdown and appended at the end of the output when available.
* **Improvements**
* Enhanced handling of footnotes across multiple AI providers, ensuring
consistent display of additional information after the main response.
* **Refactor**
* Removed citation parsing from one provider to streamline output.
<!-- 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 document reranking with a more streamlined and accurate
scoring system.
* Enhanced support for binary ("yes"/"no") document relevance judgments.
* **Improvements**
* Simplified user prompts and output formats for reranking tasks, making
results easier to interpret.
* Increased reliability and consistency in document ranking results.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-193](https://linear.app/affine-design/issue/AI-193)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added support for streaming structured AI chat responses as objects,
enabling richer and more interactive chat experiences.
- Chat messages now include a new field displaying structured stream
objects, such as reasoning steps, text deltas, tool calls, and tool
results.
- GraphQL APIs and queries updated to expose these structured streaming
objects in chat histories.
- Introduced a new streaming chat endpoint for object-based responses.
- **Bug Fixes**
- Improved error handling for streaming responses to ensure more robust
and informative error reporting.
- **Refactor**
- Centralized and streamlined session preparation and streaming logic
for AI chat providers.
- Unified streaming setup across multiple AI model providers.
- **Tests**
- Extended test coverage for streaming object responses to ensure
reliability and correctness.
- **Documentation**
- Updated type definitions and schemas to reflect new streaming object
capabilities in both backend and frontend code.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: DarkSky <25152247+darkskygit@users.noreply.github.com>
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
- **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
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 [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 support for specifying alternative AI models in chat prompts, enabling users to select from multiple available models.
- Expanded AI model options with new additions: 'gpt-4.1', 'o3', and 'claude-3-5-sonnet-20241022'.
- **Enhancements**
- Users can now optionally choose a specific AI model during chat interactions.
- Prompts and chat sessions reflect and support selection of alternative models where applicable.
- **Bug Fixes**
- Improved handling of prompt configuration defaults for better reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-75](https://linear.app/affine-design/issue/AI-75)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved formatting for AI-generated reasoning and web search results, displaying them as callout blocks for enhanced readability.
- Expanded support for rendering callout blocks in the text renderer.
- **Style**
- Adjusted layout to ensure callout blocks retain appropriate spacing and appearance.
- **Refactor**
- Simplified and unified the integration of web search tools for AI providers.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Close [AI-85](https://linear.app/affine-design/issue/AI-85)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced AI chat experience with improved web search integration, including a new "AUTO" mode that allows the AI to search the web only when needed.
- Updated AI model for chat to "o4-mini" for improved performance.
- **Improvements**
- Refined instructions to reduce hallucinations and ensure the AI admits uncertainty when unsure.
- Enhanced streaming responses to display web search queries and results more clearly.
- Updated web search tool modes for more accurate and flexible search behavior.
- Centralized AI provider options and improved tool selection logic for better response quality.
- **Bug Fixes**
- Improved handling of tool calls and reasoning steps in AI chat responses.
<!-- 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**
- Enabled web search capabilities in the "Chat With AFFiNE AI" prompt, allowing users to access web-based information directly within the chat.
- **Improvements**
- Enhanced support for multiple tools in AI chat prompts, paving the way for future tool integrations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Support [AI-60](https://linear.app/affine-design/issue/AI-60).
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Refactor**
- Updated naming conventions for the web search tool to ensure consistency across AI chat features.
- Simplified internal handling of web search tool options for a more streamlined experience.
- Unified parameter naming from "mustSearch" to "webSearch" across AI chat inputs and actions.
- **Chores**
- Removed unused configuration options related to web search from prompt settings.
- Added support for enabling or disabling web search via new parameters in chat requests.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-88
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added support for the new image generation model "gpt-image-1" in both backend and frontend.
- Updated available prompt options to include "gpt-image-1" for image creation actions.
- **Improvements**
- Set a 5-minute timeout for image generation requests to improve reliability.
- **Tests**
- Expanded test coverage to validate image generation using the new "gpt-image-1" prompt.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
DarkSky
