Cover progress part case for legacy terminal toolSpecificData

Fixes #258542

Author: Tyriar

src/vs/workbench/contrib/chat/browser/chatContentParts/toolInvocationParts/chatTerminalMarkdownProgressPart.ts

@@ -15,6 +15,7 @@ import { ICodeBlockRenderOptions } from '../../codeBlockPart.js';
 import { IChatContentPartRenderContext } from '../chatContentParts.js';
 import { ChatMarkdownContentPart, EditorPool } from '../chatMarkdownContentPart.js';
 import { ChatCustomProgressPart } from '../chatProgressContentPart.js';
+import type { ILegacyChatTerminalToolInvocationData } from './chatTerminalToolSubPart.js';
 import { BaseChatToolInvocationSubPart } from './chatToolInvocationSubPart.js';
 
 export class ChatTerminalMarkdownProgressPart extends BaseChatToolInvocationSubPart {
@@ -27,7 +28,7 @@ export class ChatTerminalMarkdownProgressPart extends BaseChatToolInvocationSubP
 
 	constructor(
 		toolInvocation: IChatToolInvocation | IChatToolInvocationSerialized,
-		terminalData: IChatTerminalToolInvocationData,
+		terminalData: IChatTerminalToolInvocationData | ILegacyChatTerminalToolInvocationData,
 		context: IChatContentPartRenderContext,
 		renderer: MarkdownRenderer,
 		editorPool: EditorPool,
@@ -38,6 +39,19 @@ export class ChatTerminalMarkdownProgressPart extends BaseChatToolInvocationSubP
 	) {
 		super(toolInvocation);
 
+		// Migrate forward the old tool data format
+		if ('command' in terminalData) {
+			terminalData = {
+				kind: 'terminal',
+				commandLine: {
+					original: terminalData.command,
+					toolEdited: undefined,
+					userEdited: undefined
+				},
+				language: terminalData.language
+			} satisfies IChatTerminalToolInvocationData;
+		}
+
 		const command = terminalData.commandLine.userEdited ?? terminalData.commandLine.toolEdited ?? terminalData.commandLine.original;
 
 		let content = `\`\`\`${terminalData.language}\n${command}\n\`\`\``;

src/vs/workbench/contrib/chat/browser/chatContentParts/toolInvocationParts/chatTerminalToolSubPart.ts

@@ -31,7 +31,7 @@ import { BaseChatToolInvocationSubPart } from './chatToolInvocationSubPart.js';
  * @deprecated This is the old API shape, we should support this for a while before removing it so
  * we don't break existing chats
  */
-interface ILegacyChatTerminalToolInvocationData {
+export interface ILegacyChatTerminalToolInvocationData {
 	kind: 'terminal';
 	command: string;
 	language: string;