implement vscode#268089 (#7849)

* implement microsoft/vscode#268089

* creating from outside a chat session

Author: joshspicer

package.json

@@ -14,7 +14,7 @@
 		"activeComment",
 		"chatParticipantAdditions",
 		"chatParticipantPrivate",
-		"chatSessionsProvider",
+		"chatSessionsProvider@2",
 		"codiconDecoration",
 		"codeActionRanges",
 		"commentingRangeHint",

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

@@ -3,6 +3,8 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+// version: 2
+
 declare module 'vscode' {
 	/**
 	 * Represents the status of a chat session.
@@ -34,6 +36,13 @@ declare module 'vscode' {
 		readonly onDidChangeChatSessionItems: Event<void>;
 
 		/**
+		 * Event that the provider can fire to signal that the current (original) chat session should be replaced with a new (modified) chat session.
+		 * The UI can use this information to gracefully migrate the user to the new session.
+		 */
+		readonly onDidCommitChatSessionItem: Event<{ original: ChatSessionItem /** untitled */; modified: ChatSessionItem /** newly created */ }>;
+
+		/**
+		 * DEPRECATED: Will be removed!
 		 * Creates a new chat session.
 		 *
 		 * @param options Options for the new session including an optional initial prompt and history
@@ -46,16 +55,6 @@ declare module 'vscode' {
 			 */
 			readonly request: ChatRequest;
 
-			/**
-			 * Initial prompt to initiate the session
-			 */
-			readonly prompt?: string;
-
-			/**
-			 * History to initialize the session with
-			 */
-			readonly history?: ReadonlyArray<ChatRequestTurn | ChatResponseTurn>;
-
 			/**
 			 * Additional metadata to use for session creation
 			 */
@@ -190,7 +189,16 @@ declare module 'vscode' {
 		 *
 		 * @returns A disposable that unregisters the provider when disposed.
 		 */
-		export function registerChatSessionContentProvider(chatSessionType: string, provider: ChatSessionContentProvider, capabilities?: ChatSessionCapabilities): Disposable;
+		export function registerChatSessionContentProvider(chatSessionType: string, provider: ChatSessionContentProvider, chatParticipant: ChatParticipant, capabilities?: ChatSessionCapabilities): Disposable;
+	}
+
+	export interface ChatContext {
+		readonly chatSessionContext?: ChatSessionContext;
+	}
+
+	export interface ChatSessionContext {
+		readonly chatSessionItem: ChatSessionItem; // Maps to URI of chat session editor (could be 'untitled-1', etc..)
+		readonly isUntitled: boolean;
 	}
 
 	export interface ChatSessionCapabilities {

src/extension.ts

@@ -420,6 +420,11 @@ async function deferredActivate(context: vscode.ExtensionContext, showPRControll
 	const copilotRemoteAgentManager = new CopilotRemoteAgentManager(credentialStore, reposManager, telemetry, context, apiImpl);
 	context.subscriptions.push(copilotRemoteAgentManager);
 	if (vscode.chat?.registerChatSessionItemProvider) {
+		const chatParticipant = vscode.chat.createChatParticipant(COPILOT_SWE_AGENT, async (request, context, stream, token) =>
+			await copilotRemoteAgentManager.chatParticipantImpl(request, context, stream, token)
+		);
+		context.subscriptions.push(chatParticipant);
+
 		const provider = new class implements vscode.ChatSessionContentProvider, vscode.ChatSessionItemProvider {
 			label = vscode.l10n.t('GitHub Copilot Coding Agent');
 			provideChatSessionItems = async (token) => {
@@ -429,9 +434,7 @@ async function deferredActivate(context: vscode.ExtensionContext, showPRControll
 				return await copilotRemoteAgentManager.provideChatSessionContent(id, token);
 			};
 			onDidChangeChatSessionItems = copilotRemoteAgentManager.onDidChangeChatSessions;
-			provideNewChatSessionItem = async (options: { readonly request: vscode.ChatRequest; prompt?: string; history: ReadonlyArray<vscode.ChatRequestTurn | vscode.ChatResponseTurn>; metadata?: any; }, token: vscode.CancellationToken): Promise<vscode.ChatSessionItem> => {
-				return await copilotRemoteAgentManager.provideNewChatSessionItem(options, token);
-			};
+			onDidCommitChatSessionItem = copilotRemoteAgentManager.onDidCommitChatSession;
 		}();
 
 		context.subscriptions.push(vscode.chat?.registerChatSessionItemProvider(
@@ -442,7 +445,8 @@ async function deferredActivate(context: vscode.ExtensionContext, showPRControll
 		context.subscriptions.push(vscode.chat?.registerChatSessionContentProvider(
 			COPILOT_SWE_AGENT,
 			provider,
-			{ supportsInterruptions: true, }
+			chatParticipant,
+			{ supportsInterruptions: true }
 		));
 	}
 

src/github/copilotApi.ts

@@ -46,14 +46,6 @@ export interface ChatSessionWithPR extends vscode.ChatSessionItem {
 	pullRequest: PullRequestModel;
 }
 
-export interface ChatSessionFromSummarizedChat extends vscode.ChatSessionItem {
-	prompt: string;
-	summary?: string;
-	// Cache
-	pullRequest?: PullRequestModel;
-	sessionInfo?: SessionInfo;
-}
-
 export class CopilotApi {
 	protected static readonly ID = 'copilotApi';