fix: stop the React warning about isPressed on every Contacts visit

components/contacts/__tests__/contact-list-item.test.tsx

@@ -1,4 +1,4 @@
-import { render, screen, fireEvent } from '@testing-library/react';
+import { render, screen, fireEvent, act } from '@testing-library/react';
 import { describe, it, expect, vi } from 'vitest';
 import { ContactListItem } from '../contact-list-item';
 import type { ContactCard } from '@/lib/jmap/types';
@@ -82,4 +82,24 @@ describe('ContactListItem', () => {
     const { container } = render(<ContactListItem contact={contact} {...baseProps} density="extra-compact" />);
     expect(container.querySelector('[data-testid="avatar"]') || container.querySelector('.rounded-full')).toBeNull();
   });
+
+  it('opens the row menu on long-press without leaking the press state onto the row', () => {
+    const errors = vi.spyOn(console, 'error').mockImplementation(() => {});
+    vi.useFakeTimers();
+    try {
+      const onLongPress = vi.fn();
+      const { container } = render(<ContactListItem contact={contact} {...baseProps} onLongPress={onLongPress} />);
+      const row = container.firstElementChild!;
+      const touchStart = new Event('touchstart', { bubbles: true });
+      Object.defineProperty(touchStart, 'touches', { value: [{ clientX: 5, clientY: 5 }] });
+      act(() => { row.dispatchEvent(touchStart); });
+      act(() => { vi.advanceTimersByTime(600); });
+      expect(onLongPress).toHaveBeenCalledWith(row);
+      const unknownProp = errors.mock.calls.some((args) => args.some((a) => String(a).includes('isPressed')));
+      expect(unknownProp).toBe(false);
+    } finally {
+      vi.useRealTimers();
+      errors.mockRestore();
+    }
+  });
 });

components/contacts/__tests__/contacts-sidebar.test.tsx

@@ -38,6 +38,20 @@ function renderSidebar(onComposeGroup = vi.fn()) {
   return onComposeGroup;
 }
 
+// First in the file: React warns about an unknown DOM prop only once per run.
+describe('ContactsSidebar — row props', () => {
+  it('keeps the long-press state off the row element', () => {
+    const errors = vi.spyOn(console, 'error').mockImplementation(() => {});
+    try {
+      renderSidebar();
+      const unknownProp = errors.mock.calls.some((args) => args.some((a) => String(a).includes('isPressed')));
+      expect(unknownProp).toBe(false);
+    } finally {
+      errors.mockRestore();
+    }
+  });
+});
+
 describe('ContactsSidebar — compose to group', () => {
   beforeEach(() => vi.clearAllMocks());
 

components/contacts/contact-list-item.tsx

@@ -67,7 +67,7 @@ export function ContactListItem({ contact, isSelected, isChecked, hasSelection,
   return (
     <div
       ref={rowRef}
-      {...(onLongPress ? longPress : {})}
+      {...(onLongPress ? longPress.handlers : {})}
       role="option"
       aria-selected={isSelected || isChecked}
       tabIndex={isFocused ? 0 : -1}

components/contacts/contacts-sidebar.tsx

@@ -788,7 +788,7 @@ function SidebarRow({
       ref={rowRef}
       {...rowProps}
       {...dropProps}
-      {...(onOpenMenu ? longPress : {})}
+      {...(onOpenMenu ? longPress.handlers : {})}
       onContextMenu={onContextMenu}
       className={cn(
         // 32px rows, 44px on touch (R1).

hooks/use-long-press.ts

@@ -1,6 +1,6 @@
 "use client";
 
-import { useCallback, useRef, useState } from "react";
+import { useCallback, useMemo, useRef, useState } from "react";
 
 const LONG_PRESS_DURATION = 500;
 const MOVE_THRESHOLD = 10;
@@ -69,5 +69,12 @@ export function useLongPress(
     firedRef.current = false;
   }, [cancel]);
 
-  return { onTouchStart, onTouchEnd, onTouchMove, onTouchCancel, isPressed };
+  // `handlers` holds only the touch handlers, safe to spread onto a DOM
+  // element; spreading the whole result would put `isPressed` on it.
+  const handlers = useMemo(
+    () => ({ onTouchStart, onTouchEnd, onTouchMove, onTouchCancel }),
+    [onTouchStart, onTouchEnd, onTouchMove, onTouchCancel]
+  );
+
+  return { onTouchStart, onTouchEnd, onTouchMove, onTouchCancel, isPressed, handlers };
 }