fix: test(changeTracker): add regression test for multilineOrOptions forwarding in wrapped prompt (#9418)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/scripts/changeTracker.test.ts

@@ -0,0 +1,62 @@
+import { describe, expect, it, vi } from 'vitest'
+
+import type { CanvasPointerEvent } from '@/lib/litegraph/src/litegraph'
+import { LGraphCanvas } from '@/lib/litegraph/src/litegraph'
+
+import { ChangeTracker } from './changeTracker'
+
+vi.mock('@/platform/workflow/management/stores/workflowStore', () => ({
+  useWorkflowStore: vi.fn(() => ({
+    activeWorkflow: null
+  })),
+  ComfyWorkflow: vi.fn()
+}))
+
+vi.mock('./api', () => ({
+  api: {
+    addEventListener: vi.fn(),
+    apiURL: vi.fn((path: string) => path)
+  }
+}))
+
+vi.mock('./app', () => ({
+  app: {
+    ui: { autoQueueEnabled: false, autoQueueMode: 'instant' },
+    canvas: { ds: { scale: 1, offset: [0, 0] } },
+    constructor: { maskeditor_is_opended: undefined }
+  },
+  ComfyApp: vi.fn()
+}))
+
+describe('ChangeTracker.init', () => {
+  it('forwards multiline argument to original prompt', () => {
+    const originalPrompt = vi.fn()
+    LGraphCanvas.prototype.prompt = originalPrompt
+
+    ChangeTracker.init()
+
+    const wrappedPrompt = LGraphCanvas.prototype.prompt
+    expect(wrappedPrompt).not.toBe(originalPrompt)
+
+    const mockCallback = vi.fn()
+    const mockEvent = {} as CanvasPointerEvent
+    const multilineValue = true
+
+    wrappedPrompt.call(
+      {} as LGraphCanvas,
+      'Title',
+      'value',
+      mockCallback,
+      mockEvent,
+      multilineValue
+    )
+
+    expect(originalPrompt).toHaveBeenCalledWith(
+      'Title',
+      'value',
+      expect.any(Function),
+      mockEvent,
+      true
+    )
+  })
+})

src/scripts/changeTracker.ts

@@ -307,14 +307,21 @@ export class ChangeTracker {
       title: string,
       value: string | number,
       callback: (v: string) => void,
-      event: CanvasPointerEvent
+      event: CanvasPointerEvent,
+      multiline?: boolean
     ) {
       const extendedCallback = (v: string) => {
         callback(v)
         checkState()
       }
       logger.debug('checkState on prompt')
-      return prompt.apply(this, [title, value, extendedCallback, event])
+      return prompt.apply(this, [
+        title,
+        value,
+        extendedCallback,
+        event,
+        multiline
+      ])
     }
 
     // Handle litegraph context menu for COMBO widgets