What version of Hono are you using?

4.11.7

What runtime/platform is your app running on? (with version if possible)

Node 22.21.1

What steps can reproduce the bug?

minimal repro:
https://github.com/hashrock-sandbox/issue-hono-20260204-usestate

1. Create a project based on the hono-vite-jsx example.
2. Build a component that has counter functionality: create one parent component and three child components.
3. Click the parent component once.
4. Click the second child component twice.
5. Click the third child component once.

What is the expected behavior?

• Parent: 1
• ChildA: 1
• ChildB: 2

What do you see instead?

• Parent: 1
• ChildA: 2
• ChildB: 1

Additional information

adding unique keys on child components doesn't solve this issue