Minor chat input refinements (#298462)

* Chat input refinements: increase height and update placeholder text

* Extract shared constants for input editor line height and padding

Author: daviddossett

src/vs/workbench/contrib/chat/browser/agentSessions/experiments/agentTitleBarStatusWidget.ts

@@ -432,7 +432,7 @@ export class AgentTitleBarStatusWidget extends BaseActionViewItem {
 			label.classList.add('has-progress');
 		}
 
-		const hoverLabel = localize('askAnythingPlaceholder', "Ask anything or describe what to build next");
+		const hoverLabel = localize('askAnythingPlaceholder', "Ask anything or describe what to build");
 
 		label.textContent = defaultLabel;
 		pill.appendChild(label);

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

@@ -131,6 +131,8 @@ import { EnhancedModelPickerActionItem } from './modelPickerActionItem2.js';
 const $ = dom.$;
 
 const INPUT_EDITOR_MAX_HEIGHT = 250;
+const INPUT_EDITOR_LINE_HEIGHT = 20;
+const INPUT_EDITOR_PADDING = { compact: { top: 2, bottom: 2 }, default: { top: 12, bottom: 12 } };
 const CachedLanguageModelsKey = 'chat.cachedLanguageModels.v2';
 
 export interface IChatInputStyles {
@@ -562,7 +564,8 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 		this.dnd = this._register(this.instantiationService.createInstance(ChatDragAndDrop, () => this._widget, this._attachmentModel, styles));
 
 		this.inputEditorMaxHeight = this.options.renderStyle === 'compact' ? INPUT_EDITOR_MAX_HEIGHT / 3 : INPUT_EDITOR_MAX_HEIGHT;
-		this.inputEditorMinHeight = this.options.inputEditorMinLines ? this.options.inputEditorMinLines * 20 + (this.options.renderStyle === 'compact' ? 4 : 16) : undefined; // lineHeight is 20, padding is top+bottom
+		const padding = this.options.renderStyle === 'compact' ? INPUT_EDITOR_PADDING.compact : INPUT_EDITOR_PADDING.default;
+		this.inputEditorMinHeight = this.options.inputEditorMinLines ? this.options.inputEditorMinLines * INPUT_EDITOR_LINE_HEIGHT + padding.top + padding.bottom : undefined;
 
 		this.inputEditorHasText = ChatContextKeys.inputHasText.bindTo(contextKeyService);
 		this.chatCursorAtTop = ChatContextKeys.inputCursorAtTop.bindTo(contextKeyService);
@@ -2053,8 +2056,8 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 		options.ariaLabel = this._getAriaLabel();
 		options.fontFamily = DEFAULT_FONT_FAMILY;
 		options.fontSize = 13;
-		options.lineHeight = 20;
-		options.padding = this.options.renderStyle === 'compact' ? { top: 2, bottom: 2 } : { top: 8, bottom: 8 };
+		options.lineHeight = INPUT_EDITOR_LINE_HEIGHT;
+		options.padding = this.options.renderStyle === 'compact' ? INPUT_EDITOR_PADDING.compact : INPUT_EDITOR_PADDING.default;
 		options.cursorWidth = 1;
 		options.wrappingStrategy = 'advanced';
 		options.bracketPairColorization = { enabled: false };

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

@@ -538,7 +538,7 @@ export class BuiltinChatMode implements IChatMode {
 export namespace ChatMode {
 	export const Ask = new BuiltinChatMode(ChatModeKind.Ask, 'Ask', localize('chatDescription', "Explore and understand your code"), Codicon.question);
 	export const Edit = new BuiltinChatMode(ChatModeKind.Edit, 'Edit', localize('editsDescription', "Edit or refactor selected code"), Codicon.edit);
-	export const Agent = new BuiltinChatMode(ChatModeKind.Agent, 'Agent', localize('agentDescription', "Describe what to build next"), Codicon.agent);
+	export const Agent = new BuiltinChatMode(ChatModeKind.Agent, 'Agent', localize('agentDescription', "Describe what to build"), Codicon.agent);
 }
 
 export function isBuiltinChatMode(mode: IChatMode): boolean {

src/vs/workbench/contrib/chat/test/browser/promptSyntax/languageProviders/promptHovers.test.ts

@@ -405,7 +405,7 @@ suite('PromptHoverProvider', () => {
 				'The agent to use when running this prompt.',
 				'',
 				'**Built-in agents:**',
-				'- `agent`: Describe what to build next',
+				'- `agent`: Describe what to build',
 				'- `ask`: Explore and understand your code',
 				'- `edit`: Edit or refactor selected code',
 				'',