Floating chat-input window with multi-session routing

src/vs/platform/accessibility/browser/accessibleView.ts

@@ -25,6 +25,7 @@ export const enum AccessibleViewProviderId {
 	InlineChat = 'inlineChat',
 	AgentChat = 'agentChat',
 	QuickChat = 'quickChat',
+	ChatInputWindow = 'chatInputWindow',
 	InlineCompletions = 'inlineCompletions',
 	KeybindingsEditor = 'keybindingsEditor',
 	Notebook = 'notebook',

src/vs/platform/actions/common/actions.ts

@@ -265,6 +265,7 @@ export class MenuId {
 	static readonly ChatInputSecondary = new MenuId('ChatInputSecondary');
 	static readonly ChatInputStatus = new MenuId('ChatInputStatus');
 	static readonly ChatInputSide = new MenuId('ChatInputSide');
+	static readonly ChatInputWindowSide = new MenuId('ChatInputWindowSide');
 	static readonly AutomationsDialogInput = new MenuId('AutomationsDialogInput');
 	static readonly ChatModePicker = new MenuId('ChatModePicker');
 	static readonly ChatEditingWidgetToolbar = new MenuId('ChatEditingWidgetToolbar');

src/vs/workbench/contrib/chat/browser/actions/chatAccessibilityHelp.ts

@@ -40,6 +40,16 @@ export class QuickChatAccessibilityHelp implements IAccessibleViewImplementation
 	}
 }
 
+export class ChatInputWindowAccessibilityHelp implements IAccessibleViewImplementation {
+	readonly priority = 121;
+	readonly name = 'chatInputWindow';
+	readonly type = AccessibleViewType.Help;
+	readonly when = ChatContextKeys.inChatInputWindow;
+	getProvider(accessor: ServicesAccessor) {
+		return getChatAccessibilityHelpProvider(accessor, undefined, 'chatInputWindow');
+	}
+}
+
 export class EditsChatAccessibilityHelp implements IAccessibleViewImplementation {
 	readonly priority = 119;
 	readonly name = 'editsView';
@@ -60,8 +70,17 @@ export class AgentChatAccessibilityHelp implements IAccessibleViewImplementation
 	}
 }
 
-export function getAccessibilityHelpText(type: 'panelChat' | 'inlineChat' | 'quickChat' | 'editsView' | 'agentView', keybindingService: IKeybindingService): string {
+export function getAccessibilityHelpText(type: 'panelChat' | 'inlineChat' | 'quickChat' | 'editsView' | 'agentView' | 'chatInputWindow', keybindingService: IKeybindingService): string {
 	const content = [];
+	if (type === 'chatInputWindow') {
+		content.push(localize('chatInputWindow.overview', 'The floating chat input window is an input-only surface. It has no response list; instead each request you submit is routed to the coding session it best matches, and its response appears in that session rather than here.'));
+		content.push(localize('chatInputWindow.routing', 'When no existing session is a confident match, a new session is started for the request. When several sessions match with comparable confidence, you are asked to choose one from a picker, which also offers starting a new session.'));
+		content.push(localize('chatInputWindow.requestHistory', 'In the input box, use up and down arrows to navigate your request history. Edit input and use Enter or the submit button to route a new request.'));
+		content.push(localize('chatInputWindow.dictate', 'To dictate your request using on-device speech-to-text, invoke the Dictate command{0}. Invoke it again to stop.', '<keybinding:workbench.action.chat.toggleSpeechToText>'));
+		content.push(localize('chatInputWindow.close', 'To close the floating chat input window, invoke the Close Floating Chat Input Window command, or toggle it with the Toggle Floating Chat Input Window command{0}.', '<keybinding:workbench.action.chat.toggleInputWindow>'));
+		content.push(localize('chatInputWindow.signals', "Accessibility Signals can be changed via settings with a prefix of signals.chat. By default, if a request takes more than 4 seconds, you will hear a sound indicating that progress is still occurring."));
+		return content.join('\n');
+	}
 	if (type === 'panelChat' || type === 'quickChat' || type === 'editsView' || type === 'agentView') {
 		content.push(localize('chat.fileChangesDisclosure', 'File change summaries show the total files, additions, and deletions. Focus the disclosure and press Enter or Space to show or hide the individual files.'));
 	}
@@ -148,7 +167,7 @@ export function getAccessibilityHelpText(type: 'panelChat' | 'inlineChat' | 'qui
 	return content.join('\n');
 }
 
-export function getChatAccessibilityHelpProvider(accessor: ServicesAccessor, editor: ICodeEditor | undefined, type: 'panelChat' | 'inlineChat' | 'quickChat' | 'editsView' | 'agentView'): AccessibleContentProvider | undefined {
+export function getChatAccessibilityHelpProvider(accessor: ServicesAccessor, editor: ICodeEditor | undefined, type: 'panelChat' | 'inlineChat' | 'quickChat' | 'editsView' | 'agentView' | 'chatInputWindow'): AccessibleContentProvider | undefined {
 	const widgetService = accessor.get(IChatWidgetService);
 	const keybindingService = accessor.get(IKeybindingService);
 	const inputEditor: ICodeEditor | undefined = widgetService.lastFocusedWidget?.inputEditor;
@@ -165,11 +184,11 @@ export function getChatAccessibilityHelpProvider(accessor: ServicesAccessor, edi
 	inputEditor.getSupportedActions();
 	const helpText = getAccessibilityHelpText(type, keybindingService);
 	return new AccessibleContentProvider(
-		type === 'panelChat' ? AccessibleViewProviderId.PanelChat : type === 'inlineChat' ? AccessibleViewProviderId.InlineChat : type === 'agentView' ? AccessibleViewProviderId.AgentChat : AccessibleViewProviderId.QuickChat,
+		type === 'panelChat' ? AccessibleViewProviderId.PanelChat : type === 'inlineChat' ? AccessibleViewProviderId.InlineChat : type === 'agentView' ? AccessibleViewProviderId.AgentChat : type === 'chatInputWindow' ? AccessibleViewProviderId.ChatInputWindow : AccessibleViewProviderId.QuickChat,
 		{ type: AccessibleViewType.Help },
 		() => helpText,
 		() => {
-			if (type === 'quickChat' || type === 'editsView' || type === 'agentView' || type === 'panelChat') {
+			if (type === 'quickChat' || type === 'editsView' || type === 'agentView' || type === 'panelChat' || type === 'chatInputWindow') {
 				if (cachedPosition) {
 					inputEditor.setPosition(cachedPosition);
 				}

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

@@ -62,6 +62,8 @@ import { ChatWidgetHistoryService, IChatWidgetHistoryService } from '../common/w
 import { BYOKUtilityModelDefault, ChatAgentLocation, ChatConfiguration, ChatDefaultPermissionLevel, ChatNotificationMode, ChatPermissionLevel } from '../common/constants.js';
 import { ILanguageModelIgnoredFilesService, LanguageModelIgnoredFilesService } from '../common/ignoredFiles.js';
 import { ILanguageModelsService, LanguageModelsService } from '../common/languageModels.js';
+import { ISessionRouter } from '../common/sessionRouter.js';
+import { SessionRouterService } from './sessionRouter/sessionRouterService.js';
 import { ILanguageModelStatsService, LanguageModelStatsService } from '../common/languageModelStats.js';
 import { ILanguageModelToolsConfirmationService } from '../common/tools/languageModelToolsConfirmationService.js';
 import { ILanguageModelToolsService } from '../common/tools/languageModelToolsService.js';
@@ -92,7 +94,7 @@ import './voiceClient/ttsPlaybackService.js';
 import './voiceClient/voiceToolDispatchService.js';
 import './voiceClient/voiceSessionController.js';
 import { registerChatAccessibilityActions } from './actions/chatAccessibilityActions.js';
-import { AgentChatAccessibilityHelp, EditsChatAccessibilityHelp, PanelChatAccessibilityHelp, QuickChatAccessibilityHelp } from './actions/chatAccessibilityHelp.js';
+import { AgentChatAccessibilityHelp, ChatInputWindowAccessibilityHelp, EditsChatAccessibilityHelp, PanelChatAccessibilityHelp, QuickChatAccessibilityHelp } from './actions/chatAccessibilityHelp.js';
 import { ModeOpenChatGlobalAction, registerChatActions } from './actions/chatActions.js';
 import { CodeBlockActionRendering, registerChatCodeBlockActions, registerChatCodeCompareBlockActions } from './actions/chatCodeblockActions.js';
 import { ChatContextContributions } from './actions/chatContext.js';
@@ -2738,6 +2740,7 @@ AccessibleViewRegistry.register(new PanelChatAccessibilityHelp());
 AccessibleViewRegistry.register(new QuickChatAccessibilityHelp());
 AccessibleViewRegistry.register(new EditsChatAccessibilityHelp());
 AccessibleViewRegistry.register(new AgentChatAccessibilityHelp());
+AccessibleViewRegistry.register(new ChatInputWindowAccessibilityHelp());
 
 registerEditorFeature(ChatInputBoxContentProvider);
 Registry.as<IEditorFactoryRegistry>(EditorExtensions.EditorFactory).registerEditorSerializer(ChatEditorInput.TypeID, ChatEditorInputSerializer);
@@ -2839,6 +2842,7 @@ registerSingleton(IChatAccessibilityService, ChatAccessibilityService, Instantia
 registerSingleton(IChatWidgetHistoryService, ChatWidgetHistoryService, InstantiationType.Delayed);
 registerSingleton(ILanguageModelsConfigurationService, LanguageModelsConfigurationService, InstantiationType.Delayed);
 registerSingleton(ILanguageModelsService, LanguageModelsService, InstantiationType.Delayed);
+registerSingleton(ISessionRouter, SessionRouterService, InstantiationType.Delayed);
 registerSingleton(ILanguageModelStatsService, LanguageModelStatsService, InstantiationType.Delayed);
 registerSingleton(IChatSlashCommandService, ChatSlashCommandService, InstantiationType.Delayed);
 registerSingleton(IChatAgentService, ChatAgentService, InstantiationType.Delayed);

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

@@ -24,6 +24,7 @@ import { ChatRequestQueueKind, IChatElicitationRequest, IChatLocationData, IChat
 import { IChatRequestViewModel, IChatResponseViewModel, IChatViewModel, IChatPendingDividerViewModel } from '../common/model/chatViewModel.js';
 import { ChatAgentLocation, ChatModeKind } from '../common/constants.js';
 import { ChatAttachmentModel } from './attachments/chatAttachmentModel.js';
+import { IChatRequestVariableEntry } from '../common/attachments/chatVariableEntries.js';
 import { IChatEditorOptions } from './widgetHosts/editor/chatEditor.js';
 import { ChatInputPart } from './widget/input/chatInputPart.js';
 import { ChatWidget, IChatWidgetContrib } from './widget/chatWidget.js';
@@ -307,8 +308,12 @@ export interface IChatWidgetViewOptions {
 	 * If it returns true (handled), the normal submission is skipped.
 	 * This is useful for contexts like the welcome view where submission should
 	 * redirect to a different workspace rather than executing locally.
+	 *
+	 * `attachedContext` carries the explicit attachments (paste/drop/pick) present
+	 * on the input so a host that routes the request elsewhere can forward them
+	 * instead of silently dropping them.
 	 */
-	submitHandler?: (query: string, mode: ChatModeKind) => Promise<boolean>;
+	submitHandler?: (query: string, mode: ChatModeKind, attachedContext?: IChatRequestVariableEntry[]) => Promise<boolean>;
 
 	/**
 	 * Whether we are running in the sessions window.

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

@@ -0,0 +1,51 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as nls from '../../../../../nls.js';
+import { Codicon } from '../../../../../base/common/codicons.js';
+import { Action2, MenuId, registerAction2 } from '../../../../../platform/actions/common/actions.js';
+import { ServicesAccessor } from '../../../../../platform/instantiation/common/instantiation.js';
+import { Categories } from '../../../../../platform/action/common/actionCommonCategories.js';
+import { ChatContextKeys } from '../../common/actions/chatContextKeys.js';
+import { IChatInputWindowService } from '../../common/chatInputWindow.js';
+
+// Registers the singleton implementation (side-effect import).
+import './chatInputWindowService.js';
+
+registerAction2(class extends Action2 {
+	constructor() {
+		super({
+			id: 'workbench.action.chat.toggleInputWindow',
+			title: nls.localize2('chat.toggleInputWindow', "Toggle Floating Chat Input Window"),
+			category: Categories.View,
+			f1: true,
+			precondition: ChatContextKeys.enabled,
+		});
+	}
+	async run(accessor: ServicesAccessor): Promise<void> {
+		const chatInputWindowService = accessor.get(IChatInputWindowService);
+		await chatInputWindowService.toggleWindow();
+	}
+});
+
+registerAction2(class extends Action2 {
+	constructor() {
+		super({
+			id: 'workbench.action.chat.closeInputWindow',
+			title: nls.localize2('chat.closeInputWindow', "Close Floating Chat Input Window"),
+			category: Categories.View,
+			f1: false,
+			icon: Codicon.close,
+			menu: {
+				id: MenuId.ChatInputWindowSide,
+				group: 'navigation',
+				order: 10
+			}
+		});
+	}
+	run(accessor: ServicesAccessor): void {
+		accessor.get(IChatInputWindowService).closeWindow();
+	}
+});