Add script to run AI integration tests in Node

[dlarocque]

Add script to run AI integration tests in a Node environment. This helps us ensure we fully support Node. This will be useful for Bidi where our implementation will be using different websocket implementations for Node and Browser environments.

[changeset-bot]

⚠�� No Changeset found

Latest commit: 70c0917

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (b9209dc) and merge commit (a516bde).

Test Logs

• Base (b9209dc): https://github.com/firebase/firebase-js-sdk/actions/runs/16603359608
• Merge (a516bde): https://github.com/firebase/firebase-js-sdk/actions/runs/16653137155

1. https://storage.googleapis.com/firebase-sdk-metric-reports/BP9STNDbR9.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (b9209dc) and merge commit (a516bde).

Test Logs

• Base (b9209dc): https://github.com/firebase/firebase-js-sdk/actions/runs/16603359608
• Merge (a516bde): https://github.com/firebase/firebase-js-sdk/actions/runs/16653137155

1. https://storage.googleapis.com/firebase-sdk-metric-reports/IcQDsM9r9m.html