Add experimental.chat condition to chat session menu contributions

package.json

@@ -3602,25 +3602,25 @@
 			"chat/chatSessions": [
 				{
 					"command": "pr.openChanges",
-					"when": "chatSessionType == copilot-cloud-agent",
+					"when": "chatSessionType == copilot-cloud-agent && config.githubPullRequests.experimental.chat",
 					"group": "inline"
 				},
 				{
 					"command": "pr.checkoutChatSessionPullRequest",
-					"when": "chatSessionType == copilot-cloud-agent",
+					"when": "chatSessionType == copilot-cloud-agent && config.githubPullRequests.experimental.chat",
 					"group": "context"
 				}
 			],
 			"chat/input/editing/sessionToolbar": [
 				{
 					"command": "pr.checkoutFromDescription",
 					"group": "navigation@0",
-					"when": "chatSessionType == copilot-cloud-agent && workspaceFolderCount > 0 && github.vscode-pull-request-github.activated"
+					"when": "chatSessionType == copilot-cloud-agent && workspaceFolderCount > 0 && github.vscode-pull-request-github.activated && config.githubPullRequests.experimental.chat"
 				},
 				{
 					"command": "pr.applyChangesFromDescription",
 					"group": "navigation@1",
-					"when": "chatSessionType == copilot-cloud-agent && workspaceFolderCount > 0 && github.vscode-pull-request-github.activated"
+					"when": "chatSessionType == copilot-cloud-agent && workspaceFolderCount > 0 && github.vscode-pull-request-github.activated && config.githubPullRequests.experimental.chat"
 				}
 			]
 		},

src/@types/vscode.proposed.chatContextProvider.d.ts

@@ -11,16 +11,45 @@ declare module 'vscode' {
 	export namespace chat {
 
 		/**
-		 * Register a chat context provider. Chat context can be provided:
-		 * - For a resource. Make sure to pass a selector that matches the resource you want to provide context for.
-		 *   Providers registered without a selector will not be called for resource-based context.
-		 * - Explicitly. These context items are shown as options when the user explicitly attaches context.
+		 * Register a chat workspace context provider. Workspace context is automatically included in all chat requests.
 		 *
 		 * To ensure your extension is activated when chat context is requested, make sure to include the following activations events:
 		 * - If your extension implements `provideWorkspaceChatContext` or `provideChatContextForResource`, find an activation event which is a good signal to activate.
 		 *   Ex: `onLanguage:<languageId>`, `onWebviewPanel:<viewType>`, etc.`
 		 * - If your extension implements `provideChatContextExplicit`, your extension will be automatically activated when the user requests explicit context.
 		 *
+		 * @param id Unique identifier for the provider.
+		* @param provider The chat workspace context provider.
+		*/
+		export function registerChatWorkspaceContextProvider(id: string, provider: ChatWorkspaceContextProvider): Disposable;
+
+		/**
+		 * Register a chat explicit context provider. Explicit context items are shown as options when the user explicitly attaches context.
+		 *
+		 * To ensure your extension is activated when chat context is requested, make sure to include the `onChatContextProvider:<id>` activation event in your `package.json`.
+		 *
+		 * @param id Unique identifier for the provider.
+		 * @param provider The chat explicit context provider.
+		 */
+		export function registerChatExplicitContextProvider(id: string, provider: ChatExplicitContextProvider): Disposable;
+
+		/**
+		 * Register a chat resource context provider. Resource context is provided for a specific resource.
+		 * Make sure to pass a selector that matches the resource you want to provide context for.
+		 *
+		 * To ensure your extension is activated when chat context is requested, make sure to include the `onChatContextProvider:<id>` activation event in your `package.json`.
+		 *
+		 * @param selector Document selector to filter which resources the provider is called for.
+		 * @param id Unique identifier for the provider.
+		 * @param provider The chat resource context provider.
+		 */
+		export function registerChatResourceContextProvider(selector: DocumentSelector, id: string, provider: ChatResourceContextProvider): Disposable;
+
+		/**
+		 * Register a chat context provider.
+		 *
+		 * @deprecated Use {@link registerChatWorkspaceContextProvider}, {@link registerChatExplicitContextProvider}, or {@link registerChatResourceContextProvider} instead.
+		 *
 		 * @param selector Optional document selector to filter which resources the provider is called for. If omitted, the provider will only be called for explicit context requests.
 		 * @param id Unique identifier for the provider.
 		 * @param provider The chat context provider.
@@ -57,23 +86,24 @@ declare module 'vscode' {
 		command?: Command;
 	}
 
-	export interface ChatContextProvider<T extends ChatContextItem = ChatContextItem> {
+	export interface ChatWorkspaceContextProvider<T extends ChatContextItem = ChatContextItem> {
 
 		/**
 		 * An optional event that should be fired when the workspace chat context has changed.
 		 */
 		onDidChangeWorkspaceChatContext?: Event<void>;
 
 		/**
-		 * TODO @API: should this be a separate provider interface?
-		 *
 		 * Provide a list of chat context items to be included as workspace context for all chat requests.
 		 * This should be used very sparingly to avoid providing useless context and to avoid using up the context window.
 		 * A good example use case is to provide information about which branch the user is working on in a source control context.
 		 *
 		 * @param token A cancellation token.
 		 */
-		provideWorkspaceChatContext?(token: CancellationToken): ProviderResult<T[]>;
+		provideChatContext(token: CancellationToken): ProviderResult<T[]>;
+	}
+
+	export interface ChatExplicitContextProvider<T extends ChatContextItem = ChatContextItem> {
 
 		/**
 		 * Provide a list of chat context items that a user can choose from. These context items are shown as options when the user explicitly attaches context.
@@ -82,7 +112,18 @@ declare module 'vscode' {
 		 *
 		 * @param token A cancellation token.
 		 */
-		provideChatContextExplicit?(token: CancellationToken): ProviderResult<T[]>;
+		provideChatContext(token: CancellationToken): ProviderResult<T[]>;
+
+		/**
+		 * If a chat context item is provided without a `value`, this method is called to resolve the `value` for the item.
+		 *
+		 * @param context The context item to resolve.
+		 * @param token A cancellation token.
+		 */
+		resolveChatContext(context: T, token: CancellationToken): ProviderResult<ChatContextItem>;
+	}
+
+	export interface ChatResourceContextProvider<T extends ChatContextItem = ChatContextItem> {
 
 		/**
 		 * Given a particular resource, provide a chat context item for it. This is used for implicit context (see the settings `chat.implicitContext.enabled` and `chat.implicitContext.suggestedContext`).
@@ -94,15 +135,51 @@ declare module 'vscode' {
 		 * @param options Options include the resource for which to provide context.
 		 * @param token A cancellation token.
 		 */
-		provideChatContextForResource?(options: { resource: Uri }, token: CancellationToken): ProviderResult<T | undefined>;
+		provideChatContext(options: { resource: Uri }, token: CancellationToken): ProviderResult<T | undefined>;
 
 		/**
-		 * If a chat context item is provided without a `value`, from either of the `provide` methods, this method is called to resolve the `value` for the item.
+		 * If a chat context item is provided without a `value`, this method is called to resolve the `value` for the item.
 		 *
 		 * @param context The context item to resolve.
 		 * @param token A cancellation token.
 		 */
 		resolveChatContext(context: T, token: CancellationToken): ProviderResult<ChatContextItem>;
 	}
 
+	/**
+	 * @deprecated Use {@link ChatWorkspaceContextProvider}, {@link ChatExplicitContextProvider}, or {@link ChatResourceContextProvider} instead.
+	 */
+	export interface ChatContextProvider<T extends ChatContextItem = ChatContextItem> {
+
+		/**
+		 * An optional event that should be fired when the workspace chat context has changed.
+		 * @deprecated Use {@link ChatWorkspaceContextProvider.onDidChangeWorkspaceChatContext} instead.
+		 */
+		onDidChangeWorkspaceChatContext?: Event<void>;
+
+		/**
+		 * Provide a list of chat context items to be included as workspace context for all chat requests.
+		 * @deprecated Use {@link ChatWorkspaceContextProvider.provideChatContext} instead.
+		 */
+		provideWorkspaceChatContext?(token: CancellationToken): ProviderResult<T[]>;
+
+		/**
+		 * Provide a list of chat context items that a user can choose from.
+		 * @deprecated Use {@link ChatExplicitContextProvider.provideChatContext} instead.
+		 */
+		provideChatContextExplicit?(token: CancellationToken): ProviderResult<T[]>;
+
+		/**
+		 * Given a particular resource, provide a chat context item for it.
+		 * @deprecated Use {@link ChatResourceContextProvider.provideChatContext} instead.
+		 */
+		provideChatContextForResource?(options: { resource: Uri }, token: CancellationToken): ProviderResult<T | undefined>;
+
+		/**
+		 * If a chat context item is provided without a `value`, this method is called to resolve the `value` for the item.
+		 * @deprecated Use the `resolveChatContext` method on the specific provider type instead.
+		 */
+		resolveChatContext?(context: T, token: CancellationToken): ProviderResult<ChatContextItem>;
+	}
+
 }

src/@types/vscode.proposed.chatParticipantAdditions.d.ts

@@ -96,6 +96,108 @@ declare module 'vscode' {
 		constructor(title: string, message: string | MarkdownString, data: any, buttons?: string[]);
 	}
 
+	/**
+	 * An option for a question in a carousel.
+	 */
+	export interface ChatQuestionOption {
+		/**
+		 * Unique identifier for the option.
+		 */
+		id: string;
+		/**
+		 * The display label for the option.
+		 */
+		label: string;
+		/**
+		 * The value returned when this option is selected.
+		 */
+		value: unknown;
+	}
+
+	/**
+	 * The type of question for a chat question carousel.
+	 */
+	export enum ChatQuestionType {
+		/**
+		 * A free-form text input question.
+		 */
+		Text = 1,
+		/**
+		 * A single-select question with radio buttons.
+		 */
+		SingleSelect = 2,
+		/**
+		 * A multi-select question with checkboxes.
+		 */
+		MultiSelect = 3
+	}
+
+	/**
+	 * A question to be displayed in a question carousel.
+	 */
+	export class ChatQuestion {
+		/**
+		 * Unique identifier for the question.
+		 */
+		id: string;
+		/**
+		 * The type of question: Text for free-form input, SingleSelect for radio buttons, MultiSelect for checkboxes.
+		 */
+		type: ChatQuestionType;
+		/**
+		 * The title/header of the question.
+		 */
+		title: string;
+		/**
+		 * Optional detailed message or description for the question.
+		 */
+		message?: string | MarkdownString;
+		/**
+		 * Options for singleSelect or multiSelect questions.
+		 */
+		options?: ChatQuestionOption[];
+		/**
+		 * The id(s) of the default selected option(s).
+		 * For SingleSelect, this should be a single option id.
+		 * For MultiSelect, this can be an array of option ids.
+		 */
+		defaultValue?: string | string[];
+		/**
+		 * Whether to allow free-form text input in addition to predefined options.
+		 * When true, users can provide their own text answer even for SingleSelect or MultiSelect questions.
+		 */
+		allowFreeformInput?: boolean;
+
+		constructor(
+			id: string,
+			type: ChatQuestionType,
+			title: string,
+			options?: {
+				message?: string | MarkdownString;
+				options?: ChatQuestionOption[];
+				defaultValue?: string | string[];
+				allowFreeformInput?: boolean;
+			}
+		);
+	}
+
+	/**
+	 * A carousel view for presenting multiple questions inline in the chat.
+	 * The UI is displayed but does not block the chat input.
+	 */
+	export class ChatResponseQuestionCarouselPart {
+		/**
+		 * The questions to display in the carousel.
+		 */
+		questions: ChatQuestion[];
+		/**
+		 * Whether users can skip answering the questions.
+		 */
+		allowSkip: boolean;
+
+		constructor(questions: ChatQuestion[], allowSkip?: boolean);
+	}
+
 	export class ChatResponseCodeCitationPart {
 		value: Uri;
 		license: string;
@@ -171,8 +273,8 @@ declare module 'vscode' {
 		pastTenseMessage?: string | MarkdownString;
 		isConfirmed?: boolean;
 		isComplete?: boolean;
-		toolSpecificData?: ChatTerminalToolInvocationData;
-		fromSubAgent?: boolean;
+		toolSpecificData?: ChatTerminalToolInvocationData | ChatMcpToolInvocationData;
+		subAgentInvocationId?: string;
 		presentation?: 'hidden' | 'hiddenAfterComplete' | undefined;
 
 		constructor(toolName: string, toolCallId: string, isError?: boolean);
@@ -244,7 +346,7 @@ declare module 'vscode' {
 		constructor(uris: Uri[], callback: () => Thenable<unknown>);
 	}
 
-	export type ExtendedChatResponsePart = ChatResponsePart | ChatResponseTextEditPart | ChatResponseNotebookEditPart | ChatResponseConfirmationPart | ChatResponseCodeCitationPart | ChatResponseReferencePart2 | ChatResponseMovePart | ChatResponseExtensionsPart | ChatResponsePullRequestPart | ChatPrepareToolInvocationPart | ChatToolInvocationPart | ChatResponseMultiDiffPart | ChatResponseThinkingProgressPart | ChatResponseExternalEditPart;
+	export type ExtendedChatResponsePart = ChatResponsePart | ChatResponseTextEditPart | ChatResponseNotebookEditPart | ChatResponseWorkspaceEditPart | ChatResponseConfirmationPart | ChatResponseCodeCitationPart | ChatResponseReferencePart2 | ChatResponseMovePart | ChatResponseExtensionsPart | ChatResponsePullRequestPart | ChatToolInvocationPart | ChatResponseMultiDiffPart | ChatResponseThinkingProgressPart | ChatResponseExternalEditPart | ChatResponseQuestionCarouselPart;
 	export class ChatResponseWarningPart {
 		value: MarkdownString;
 		constructor(value: string | MarkdownString);
@@ -408,6 +510,15 @@ declare module 'vscode' {
 		 */
 		confirmation(title: string, message: string | MarkdownString, data: any, buttons?: string[]): void;
 
+		/**
+		 * Show an inline carousel of questions to gather information from the user.
+		 * This is a blocking call that waits for the user to submit or skip the questions.
+		 * @param questions Array of questions to display to the user
+		 * @param allowSkip Whether the user can skip questions without answering
+		 * @returns A promise that resolves with the user's answers, or undefined if skipped
+		 */
+		questionCarousel(questions: ChatQuestion[], allowSkip?: boolean): Thenable<Record<string, unknown> | undefined>;
+
 		/**
 		 * Push a warning to this stream. Short-hand for
 		 * `push(new ChatResponseWarningPart(message))`.

src/@types/vscode.proposed.chatSessionsProvider.d.ts

@@ -97,7 +97,7 @@ declare module 'vscode' {
 		 *
 		 * This is also called on first load to get the initial set of items.
 		 */
-		refreshHandler: () => Thenable<void>;
+		refreshHandler: (token: CancellationToken) => Thenable<void>;
 
 		/**
 		 * Fired when an item's archived state changes.