feat: migrate ESLint to v9 flat config

- Replace .eslintrc.json with eslint.config.mjs
- Simplify configuration using @antfu/eslint-config
- Add necessary ESLint plugin dependencies
- Disable overly strict style rules
- Set package.json type to module for ESM support
- Fix ESLint disable comment format

🤖 Generated with [Claude Code](https://claude.ai/code)

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

app/components/workflow/editor/use-toggle-expend.ts

@@ -1,6 +1,6 @@
 import { useEffect, useState } from 'react'
 
-type Params = {
+interface Params {
   ref: React.RefObject<HTMLDivElement>
   hasFooter?: boolean
 }