fixes checkpoints hover opacity, better language (microsoft#256147)

* various checkpoint feedback fixes :)

* some cleanup

Author: justschen

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

@@ -163,7 +163,7 @@ export function registerNewChatActions() {
 		constructor() {
 			super({
 				id: 'workbench.action.chat.redoEdit',
-				title: localize2('chat.redoEdit.label', "Redo Checkpoint Restore"),
+				title: localize2('chat.redoEdit.label', "Redo Last Request"),
 				category: CHAT_CATEGORY,
 				icon: Codicon.redo,
 				precondition: ContextKeyExpr.and(ChatContextKeys.chatEditingCanRedo, ChatContextKeys.enabled),
@@ -185,11 +185,12 @@ export function registerNewChatActions() {
 		}
 	});
 
-	registerAction2(class RedoChatEditInteractionAction2 extends EditingSessionAction {
+	registerAction2(class RedoChatCheckpoints extends EditingSessionAction {
 		constructor() {
 			super({
 				id: 'workbench.action.chat.redoEdit2',
-				title: localize2('chat.redoEdit.label2', "Redo Checkpoint Restore"),
+				title: localize2('chat.redoEdit.label2', "Redo"),
+				tooltip: localize2('chat.redoEdit.tooltip', "Reapply discarded workspace changes and chat"),
 				category: CHAT_CATEGORY,
 				precondition: ContextKeyExpr.and(ChatContextKeys.chatEditingCanRedo, ChatContextKeys.enabled),
 				f1: true,

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

@@ -429,8 +429,8 @@ registerAction2(class RestoreCheckpointAction extends Action2 {
 	constructor() {
 		super({
 			id: 'workbench.action.chat.restoreCheckpoint',
-			title: localize2('chat.restoreCheckpoint.label', "Restore Checkpoint"),
-			tooltip: localize2('chat.restoreCheckpoint.tooltip', "Restore Checkpoint"),
+			title: localize2('chat.restoreCheckpoint.label', "Restore checkpoint"),
+			tooltip: localize2('chat.restoreCheckpoint.tooltip', "Restores workspace and chat to this point"),
 			f1: false,
 			category: CHAT_CATEGORY,
 			keybinding: {
@@ -464,6 +464,11 @@ registerAction2(class RestoreCheckpointAction extends Action2 {
 			return;
 		}
 
+		if (isRequestVM(item)) {
+			widget?.focusInput();
+			widget?.input.setValue(item.messageText, false);
+		}
+
 		widget?.viewModel?.model.setCheckpoint(item.id);
 		await restoreSnapshotWithConfirmation(accessor, item);
 	}

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

@@ -419,6 +419,8 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 		const checkpointRestoreContainer = dom.append(rowContainer, $('.checkpoint-restore-container'));
 		const codiconRestoreContainer = dom.append(checkpointRestoreContainer, $('.codicon-container'));
 		dom.append(codiconRestoreContainer, $('span.codicon.codicon-bookmark'));
+		const label = dom.append(checkpointRestoreContainer, $('span.checkpoint-label-text'));
+		label.textContent = localize('checkpointRestore', 'Checkpoint restored');
 		const checkpointRestoreToolbar = templateDisposables.add(scopedInstantiationService.createInstance(MenuWorkbenchToolBar, checkpointRestoreContainer, MenuId.ChatMessageRestoreCheckpoint, {
 			actionViewItemProvider: (action, options) => {
 				if (action instanceof MenuItemAction) {

src/vs/workbench/contrib/chat/browser/media/chat.css

@@ -1870,7 +1870,6 @@ have to be updated for changes to the rules above, or to support more deeply nes
 
 	.interactive-item-container.interactive-request {
 		align-items: flex-end;
-		padding-bottom: 0px;
 	}
 
 	.interactive-item-container.interactive-request:not(.editing):hover .request-hover {
@@ -1983,6 +1982,7 @@ have to be updated for changes to the rules above, or to support more deeply nes
 	.checkpoint-restore-container {
 		display: flex;
 		width: 100%;
+		position: relative;
 
 		.checkpoint-divider {
 			border-top: 1px dashed var(--vscode-editorWidget-border);
@@ -2005,22 +2005,38 @@ have to be updated for changes to the rules above, or to support more deeply nes
 		}
 
 		.monaco-toolbar {
-			user-select: none;
 			opacity: 0;
-			width: 0;
+			height: fit-content;
+			width: fit-content;
+			user-select: none;
+			position: absolute;
+			top: 5px;
+			left: 25px;
+			background: var(--vscode-sideBar-background);
 		}
 
 		.monaco-toolbar .action-label {
 			border: 1px solid var(--vscode-chat-requestBorder, var(--vscode-input-background));
 			padding: 1px 5px;
 			background-color: var(--vscode-sideBar-background);
-			margin-top: 5px;
-			margin-left: 10px;
 		}
 	}
 
 	.checkpoint-restore-container {
 		margin-top: 10px;
+
+		.checkpoint-label-text {
+			font-size: 12px;
+			color: var(--vscode-descriptionForeground);
+			padding-right: 4px;
+			display: flex;
+			align-items: center;
+			gap: 4px;
+		}
+
+		.monaco-toolbar {
+			left: 145px;
+		}
 	}
 
 	.checkpoint-container .monaco-toolbar:focus-within,