fix(secrets): preserve caret when revealing values

apps/sim/app/workspace/[workspaceId]/settings/components/secrets/components/secret-value-field/secret-value-field.test.tsx

@@ -6,7 +6,12 @@ import { createRoot, type Root } from 'react-dom/client'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
 vi.mock('@sim/emcn', () => ({
-  ChipInput: (props: ComponentProps<'input'>) => <input {...props} />,
+  ChipInput: ({
+    inputClassName,
+    ...props
+  }: ComponentProps<'input'> & { inputClassName?: string }) => (
+    <input {...props} className={inputClassName} />
+  ),
 }))
 
 import { SecretValueField } from '@/app/workspace/[workspaceId]/settings/components/secrets/components/secret-value-field/secret-value-field'
@@ -33,6 +38,26 @@ afterEach(() => {
 })
 
 describe('SecretValueField', () => {
+  it('preserves the caret position when revealing an editable value', () => {
+    const value = 'editable-secret-value'
+    act(() => root.render(<SecretValueField value={value} />))
+
+    expect(input().value).toBe(value)
+    expect(input().className).toContain('[-webkit-text-security:disc]')
+
+    input().setSelectionRange(15, 15)
+    act(() => input().focus())
+
+    expect(input().value).toBe(value)
+    expect(input().selectionStart).toBe(15)
+    expect(input().readOnly).toBe(false)
+    expect(input().className).not.toContain('[-webkit-text-security:disc]')
+
+    act(() => input().blur())
+    expect(input().value).toBe(value)
+    expect(input().className).toContain('[-webkit-text-security:disc]')
+  })
+
   it('lets a read-only viewer reveal an allowed value without making it editable', () => {
     act(() => root.render(<SecretValueField value='visible-secret' canEdit={false} canReveal />))
 

apps/sim/app/workspace/[workspaceId]/settings/components/secrets/components/secret-value-field/secret-value-field.tsx

@@ -55,8 +55,11 @@ export function SecretValueField({
   const editable = canEdit && !readOnly
   const revealable = canEdit || canReveal
   const maskActive = revealable && !unmasked && !focused
+  const visuallyMaskEditableValue = editable && maskActive
   const displayValue =
-    !revealable || (maskActive && value.length > 0) ? BULLET.repeat(VIEWER_MASK_LENGTH) : value
+    !revealable || (!editable && maskActive && value.length > 0)
+      ? BULLET.repeat(VIEWER_MASK_LENGTH)
+      : value
 
   return (
     <ChipInput
@@ -66,6 +69,7 @@ export function SecretValueField({
       value={displayValue}
       readOnly
       style={style}
+      inputClassName={visuallyMaskEditableValue ? '[-webkit-text-security:disc]' : undefined}
       onChange={(event) => {
         if (editable) onChange?.(event.target.value)
       }}