Fix build break due to API change (#8017)

Author: alexr00

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

@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-// version: 10
+// version: 11
 
 declare module 'vscode' {
 
@@ -285,4 +285,24 @@ declare module 'vscode' {
 	}
 
 	// #endregion
+
+	// #region LanguageModelProxyProvider
+
+	/**
+	 * Duplicated so that this proposal and languageModelProxy can be independent.
+	 */
+	export interface LanguageModelProxy extends Disposable {
+		readonly uri: Uri;
+		readonly key: string;
+	}
+
+	export interface LanguageModelProxyProvider {
+		provideModelProxy(forExtensionId: string, token: CancellationToken): ProviderResult<LanguageModelProxy>;
+	}
+
+	export namespace lm {
+		export function registerLanguageModelProxyProvider(provider: LanguageModelProxyProvider): Disposable;
+	}
+
+	// #endregion
 }

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

@@ -71,9 +71,18 @@ declare module 'vscode' {
 	export interface ChatSessionItem {
 		/**
 		 * Unique identifier for the chat session.
+		 *
+		 * @deprecated Will be replaced by `resource`
 		 */
 		id: string;
 
+		/**
+		 * The resource associated with the chat session.
+		 *
+		 * This is uniquely identifies the chat session and is used to open the chat session.
+		 */
+		resource: Uri | undefined;
+
 		/**
 		 * Human readable name of the session shown in the UI
 		 */
@@ -139,6 +148,11 @@ declare module 'vscode' {
 		// TODO: link request + response to encourage correct usage?
 		readonly history: ReadonlyArray<ChatRequestTurn | ChatResponseTurn2>;
 
+		/**
+		 * Options configured for this session.
+		 */
+		readonly options?: { model?: LanguageModelChatInformation };
+
 		/**
 		 * Callback invoked by the editor for a currently running response. This allows the session to push items for the
 		 * current response and stream these in as them come in. The current response will be considered complete once the
@@ -166,6 +180,32 @@ declare module 'vscode' {
 		 * @param token A cancellation token that can be used to cancel the operation.
 		 */
 		provideChatSessionContent(sessionId: string, token: CancellationToken): Thenable<ChatSession> | ChatSession;
+
+		/**
+		 *
+		 * @param sessionId Identifier of the chat session being updated.
+		 * @param updates Collection of option identifiers and their new values. Only the options that changed are included.
+		 * @param token A cancellation token that can be used to cancel the notification if the session is disposed.
+		 */
+		provideHandleOptionsChange?(sessionId: string, updates: ReadonlyArray<ChatSessionOptionUpdate>, token: CancellationToken): void;
+
+		/**
+		 * Called as soon as you register (call me once)
+		 * @param token
+		 */
+		provideChatSessionProviderOptions?(token: CancellationToken): Thenable<ChatSessionProviderOptions> | ChatSessionProviderOptions;
+	}
+
+	export interface ChatSessionOptionUpdate {
+		/**
+		 * Identifier of the option that changed (for example `model`).
+		 */
+		readonly optionId: string;
+
+		/**
+		 * The new value assigned to the option. When `undefined`, the option is cleared.
+		 */
+		readonly value: string | undefined;
 	}
 
 	export namespace chat {
@@ -212,6 +252,16 @@ declare module 'vscode' {
 		supportsInterruptions?: boolean;
 	}
 
+	export interface ChatSessionProviderOptions {
+		/**
+		 * Set of available models.
+		 */
+		models?: LanguageModelChatInformation[];
+	}
+
+	/**
+	 * @deprecated
+	 */
 	export interface ChatSessionShowOptions {
 		/**
 		 * The editor view column to show the chat session in.
@@ -224,6 +274,8 @@ declare module 'vscode' {
 	export namespace window {
 		/**
 		 * Shows a chat session in the panel or editor.
+		 *
+		 * @deprecated
 		 */
 		export function showChatSession(chatSessionType: string, sessionId: string, options: ChatSessionShowOptions): Thenable<void>;
 	}

src/github/copilotRemoteAgent.ts

@@ -167,7 +167,8 @@ export class CopilotRemoteAgentManager extends Disposable {
 				return {};
 			}
 			// Tell UI to the new chat session
-			this._onDidCommitChatSession.fire({ original: context.chatSessionContext.chatSessionItem, modified: { id: String(number), label: `Pull Request ${number}` } });
+			const modified: vscode.ChatSessionItem = { id: String(number), label: `Pull Request ${number}` } as unknown as vscode.ChatSessionItem;
+			this._onDidCommitChatSession.fire({ original: context.chatSessionContext.chatSessionItem, modified });
 		} else if (context.chatSessionContext) {
 			/* Follow up to an existing coding agent session */
 			try {
@@ -1061,7 +1062,7 @@ export class CopilotRemoteAgentManager extends Disposable {
 					repoInfo = `${owner}/${repo} `;
 				}
 				const description = new vscode.MarkdownString(`[${repoInfo}#${pullRequest.number}](${uri.toString()} "${prLinkTitle}")`); //  pullRequest.base.ref === defaultBranch ? `PR #${pullRequest.number}`: `PR #${pullRequest.number} → ${pullRequest.base.ref}`;
-				return {
+				const chatSession: ChatSessionWithPR = {
 					id: `${pullRequest.number}`,
 					label: pullRequest.title || `Session ${pullRequest.number}`,
 					iconPath: this.getIconForSession(status),
@@ -1076,7 +1077,8 @@ export class CopilotRemoteAgentManager extends Disposable {
 						insertions: pullRequest.item.additions,
 						deletions: pullRequest.item.deletions
 					} : undefined
-				};
+				} as unknown as ChatSessionWithPR;
+				return chatSession;
 			}));
 		} catch (error) {
 			Logger.error(`Failed to provide coding agents information: ${error}`, CopilotRemoteAgentManager.ID);