CCA - provide number of files modified in the pull request

src/extension/chatSessions/vscode-node/copilotCloudSessionsProvider.ts

@@ -213,11 +213,15 @@ export class CopilotCloudSessionsProvider extends Disposable implements vscode.C
 						startTime: new Date(sessionItem.last_updated_at).getTime(),
 					},
 					statistics: {
+						files: pr.files.totalCount,
 						insertions: pr.additions,
 						deletions: pr.deletions
 					},
 					fullDatabaseId: pr.fullDatabaseId.toString(),
 					pullRequestDetails: pr,
+				} satisfies vscode.ChatSessionItem & {
+					fullDatabaseId: string;
+					pullRequestDetails: PullRequestSearchItem;
 				};
 				this.chatSessions.set(pr.number, pr);
 				return session;

src/extension/vscode.proposed.chatSessionsProvider.d.ts

@@ -123,6 +123,11 @@ declare module 'vscode' {
 		 * Statistics about the chat session.
 		 */
 		statistics?: {
+			/**
+			 * Number of files edited during the session.
+			 */
+			files: number;
+
 			/**
 			 * Number of insertions made during the session.
 			 */

src/platform/github/common/githubAPI.ts

@@ -26,6 +26,9 @@ export interface PullRequestSearchItem {
 	};
 	additions: number;
 	deletions: number;
+	files: {
+		totalCount: number;
+	};
 	fullDatabaseId: number;
 	headRefOid: string;
 	baseRefOid?: string;
@@ -198,6 +201,9 @@ export async function makeSearchGraphQLRequest(
 						updatedAt
 						additions
 						deletions
+						files {
+							totalCount
+						}
 						author {
 							login
 						}
@@ -255,6 +261,9 @@ export async function getPullRequestFromGlobalId(
 					updatedAt
 					additions
 					deletions
+					files {
+						totalCount
+					}
 					author {
 						login
 					}