ensure we hide options picker if session has nothing to contribute (microsoft#272977)

Author: joshspicer

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

@@ -1139,6 +1139,10 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 			return hideAll();
 		}
 
+		if (!this.chatSessionsService.hasAnySessionOptions(ctx.chatSessionType, ctx.chatSessionId)) {
+			return hideAll();
+		}
+
 		this.chatSessionHasOptions.set(true);
 
 		const currentWidgetGroupIds = new Set(this.chatSessionPickerWidgets.keys());

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

@@ -795,6 +795,13 @@ export class ChatSessionsService extends Disposable implements IChatSessionsServ
 		this._sessions.delete(sessionKey);
 	}
 
+	public hasAnySessionOptions(chatSessionType: string, id: string): boolean {
+		const sessionKey = `${chatSessionType}_${id}`;
+		const session = this._sessions.get(sessionKey);
+		return !!session && !!session.options && Object.keys(session.options).length > 0;
+	}
+
+
 	public getSessionOption(chatSessionType: string, id: string, optionId: string): string | undefined {
 		const sessionKey = `${chatSessionType}_${id}`;
 		const session = this._sessions.get(sessionKey);

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

@@ -183,6 +183,7 @@ export interface IChatSessionsService {
 	// Notify providers about session items changes
 	notifySessionItemsChanged(chatSessionType: string): void;
 
+	hasAnySessionOptions(chatSessionType: string, sessionId: string): boolean;
 	getSessionOption(chatSessionType: string, sessionId: string, optionId: string): string | undefined;
 	setSessionOption(chatSessionType: string, sessionId: string, optionId: string, value: string): boolean;
 

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

@@ -202,6 +202,12 @@ export class MockChatSessionsService implements IChatSessionsService {
 		return true;
 	}
 
+	hasAnySessionOptions(chatSessionType: string, sessionId: string): boolean {
+		const sessionKey = `${chatSessionType}:${sessionId}`;
+		const options = this.sessionOptions.get(sessionKey);
+		return options !== undefined && options.size > 0;
+	}
+
 	getCapabilitiesForSessionType(chatSessionType: string): IChatAgentAttachmentCapabilities | undefined {
 		return this.contributions.find(c => c.type === chatSessionType)?.capabilities;
 	}