import { describe, expect, it } from 'vitest'; import { extractOutputText } from '../../../src/renderer/components/chat/items/linkedTool/renderHelpers'; describe('extractOutputText', () => {  it('should return plain string as-is', () => {    expect(extractOutputText('hello world')).toBe('hello world');  });   it('should pretty-print a plain string that is valid JSON', () => {    expect(extractOutputText('{"key":"value"}')).toBe(JSON.stringify({ key: 'value' }, null, 2));  });   it('should extract text from content blocks with plain text', () => {    expect(extractOutputText([{ type: 'text', text: 'plain text' }])).toBe('plain text');  });   it('should extract and pretty-print JSON from content blocks', () => {    expect(extractOutputText([{ type: 'text', text: '{"key":"value"}' }])).toBe(      JSON.stringify({ key: 'value' }, null, 2),    );  });   it('should concatenate multiple content blocks with newline', () => {    expect(      extractOutputText([        { type: 'text', text: 'line one' },        { type: 'text', text: 'line two' },      ]),    ).toBe('line one\nline two');  });   it('should fallback to stringify for blocks without text field', () => {    const block = { type: 'image', url: 'http://example.com/img.png' };    expect(extractOutputText([block])).toBe(JSON.stringify(block, null, 2));  });});