* Add billing organization selection
Introduces support for selecting a billing organization for inference requests in HuggingChat. Adds a new billing section in application settings, updates user settings and API to store and validate the selected organization, and ensures requests are billed to the chosen organization by sending the X-HF-Bill-To header. Also updates environment and chart files to include the new OpenID scope required for billing.
* Update +page.svelte
* Remove billingOrganization from default settings
* Fix user settings creation and update test for findUser
The test for updateUser now passes a URL to findUser to match the updated function signature. Also, the updateUser function now inserts the full DEFAULT_SETTINGS object when creating default user settings, ensuring billingOrganization is included.
Guard MCP reasoning stream from whitespace <think> blocks
Moved message and file preparation logic to a shared utility (prepareFiles.ts) for OpenAI-compatible multimodal payloads. Updated endpointOai and runMcpFlow to use the new prepareMessagesWithFiles function, improving code reuse and maintainability.
Update image ref resolution to use conversation order
File reference resolver now maps image refs (e.g. image_1, image_2) to user-uploaded images in chronological order across the entire conversation, rather than only the latest user message. Updated tool prompt instructions to clarify this behavior for users.
* Add image reference support for MCP tool calls
Introduces image reference resolution and attachment for MCP tool arguments, allowing tools to accept lightweight image reference strings (e.g. 'latest', 'image_1') and receive resolved image payloads. Updates tool invocation and flow logic to use these references, and improves tool prompt instructions for image input handling.
* Enable multiple file uploads in ChatInput
* Refactor multimodal model selection logic
* Remove 'latest' image reference support
Eliminates handling of the 'latest' image reference in image resolver logic and updates related comments and prompts to only support 'image_1', 'image_2', etc. This simplifies image reference usage and clarifies instructions for tool input parameters.
* Refactor imageRefs to fileRefs for tool payloads
* Update ServerCard.svelte
feat(mcp): add Model Context Protocol integration with tool support
Improve MCP tools caching and server selection logic
Replaces single-entry MCP tools cache with a multi-keyed cache based on server configuration, improving cache accuracy for different server sets. Refactors server selection logic in runMcpFlow to better handle custom server lists and selected server names. Removes MCP flow from generate.ts, streamlining text generation logic.
* Add OAuth authentication for MCP servers
Introduces browser-based OAuth flow for MCP servers, including new auth helpers, localStorage management, and UI actions for authentication and sign-out. Server cards now support authentication, and enabled servers include persisted auth headers for API requests. Adds callback handler and route for OAuth completion.
* Add server authentication status and UI indicators
Introduces an 'authRequired' property to MCPServer and health check responses to indicate when authenti…
