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/base/icons/IconBase.tsx

@@ -2,12 +2,12 @@ import { forwardRef } from 'react'
 import { generate } from './utils'
 import type { AbstractNode } from './utils'
 
-export type IconData = {
+export interface IconData {
   name: string
   icon: AbstractNode
 }
 
-export type IconBaseProps = {
+export interface IconBaseProps {
   data: IconData
   className?: string
   onClick?: React.MouseEventHandler<SVGElement>

app/components/base/icons/other/ReplayLine.tsx

@@ -11,7 +11,7 @@ const Icon = (
     ref,
     ...props
   }: React.SVGProps<SVGSVGElement> & {
-    ref?: React.RefObject<React.MutableRefObject<HTMLOrSVGElement>>;
+    ref?: React.RefObject<React.MutableRefObject<HTMLOrSVGElement>>
   },
 ) => <IconBase {...props} ref={ref} data={data as IconData} />
 

app/components/base/icons/utils.tsx

@@ -1,6 +1,6 @@
 import React from 'react'
 
-export type AbstractNode = {
+export interface AbstractNode {
   name: string
   attributes: {
     [key: string]: string
@@ -8,7 +8,7 @@ export type AbstractNode = {
   children?: AbstractNode[]
 }
 
-export type Attrs = {
+export interface Attrs {
   [key: string]: string
 }