candidate: chatSessionService#onDidChangeOptionGroups

src/vs/workbench/contrib/chat/browser/chatInputPart.ts

@@ -466,6 +466,16 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 			}
 		}));
 
+		this._register(this.chatSessionsService.onDidChangeOptionGroups(chatSessionType => {
+			const sessionResource = this._widget?.viewModel?.model.sessionResource;
+			if (sessionResource) {
+				const ctx = this.chatService.getChatSessionFromInternalUri(sessionResource);
+				if (ctx?.chatSessionType === chatSessionType) {
+					this.refreshChatSessionPickers();
+				}
+			}
+		}));
+
 		this._attachmentModel = this._register(this.instantiationService.createInstance(ChatAttachmentModel));
 		this._register(this._attachmentModel.onDidChange(() => this._syncInputStateToModel()));
 		this.selectedToolsModel = this._register(this.instantiationService.createInstance(ChatSelectedTools, this.currentModeObs));

src/vs/workbench/contrib/chat/browser/chatSessions.contribution.ts

@@ -267,6 +267,8 @@ export class ChatSessionsService extends Disposable implements IChatSessionsServ
 	public get onDidChangeContentProviderSchemes() { return this._onDidChangeContentProviderSchemes.event; }
 	private readonly _onDidChangeSessionOptions = this._register(new Emitter<URI>());
 	public get onDidChangeSessionOptions() { return this._onDidChangeSessionOptions.event; }
+	private readonly _onDidChangeOptionGroups = this._register(new Emitter<string>());
+	public get onDidChangeOptionGroups() { return this._onDidChangeOptionGroups.event; }
 
 	private readonly inProgressMap: Map<string, number> = new Map();
 	private readonly _sessionTypeOptions: Map<string, IChatSessionProviderOptionGroup[]> = new Map();
@@ -1057,6 +1059,7 @@ export class ChatSessionsService extends Disposable implements IChatSessionsServ
 		} else {
 			this._sessionTypeOptions.delete(chatSessionType);
 		}
+		this._onDidChangeOptionGroups.fire(chatSessionType);
 	}
 
 	/**

src/vs/workbench/contrib/chat/common/chatSessionsService.ts

@@ -219,6 +219,7 @@ export interface IChatSessionsService {
 	 * Get the capabilities for a specific session type
 	 */
 	getCapabilitiesForSessionType(chatSessionType: string): IChatAgentAttachmentCapabilities | undefined;
+	onDidChangeOptionGroups: Event<string>;
 
 	getOptionGroupsForSessionType(chatSessionType: string): IChatSessionProviderOptionGroup[] | undefined;
 	setOptionGroupsForSessionType(chatSessionType: string, handle: number, optionGroups?: IChatSessionProviderOptionGroup[]): void;

src/vs/workbench/contrib/chat/test/common/mockChatSessionsService.ts

@@ -35,6 +35,9 @@ export class MockChatSessionsService implements IChatSessionsService {
 	private readonly _onDidChangeContentProviderSchemes = new Emitter<{ readonly added: string[]; readonly removed: string[] }>();
 	readonly onDidChangeContentProviderSchemes = this._onDidChangeContentProviderSchemes.event;
 
+	private readonly _onDidChangeOptionGroups = new Emitter<string>();
+	readonly onDidChangeOptionGroups = this._onDidChangeOptionGroups.event;
+
 	private sessionItemProviders = new Map<string, IChatSessionItemProvider>();
 	private contentProviders = new Map<string, IChatSessionContentProvider>();
 	private contributions: IChatSessionsExtensionPoint[] = [];