feat: update to ESLint v9+ with flat config and refactor components to use <For> for rendering lists

[nmerget]

Description

Please provide the following information:

update to ESLint v9+ with flat config and refactor components to use for rendering lists

Make sure to follow the PR preparation steps in CONTRIBUTING.md before submitting your PR:

• format the codebase: from the root, run yarn fmt:prettier.
• update all snapshots (in core & CLI): from the root, run yarn test:update
• add Changeset entry: from the root, run yarn g:changeset and follow the CLI instructions. Alternatively, use the Changeset Github Bot to create the file.

[changeset-bot]

🦋 Changeset detected

Latest commit: 4bf34e1

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@builder.io/eslint-plugin-mitosis	Minor

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Click here if you're a maintainer who wants to add another changeset to this PR

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 4bf34e1

Command	Status	Duration	Result
nx e2e @builder.io/e2e-app	✅ Succeeded	1m 12s	View ↗
nx run-many --target test	✅ Succeeded	5m 2s	View ↗
nx run-many --target build --exclude @builder.i...	✅ Succeeded	3m 52s	View ↗
nx build @builder.io/mitosis-site	✅ Succeeded	<1s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-02-18 11:49:52 UTC