Add gpt-6-astra to CuaLlm

[shrisukhani]

Summary

Add OpenAI's gpt-6-astra to the CuaLlm union so it can be passed as llm to the OpenAI CUA agent. Server side: hyperbrowserai/browserctrl#1396.

Changes

• CuaLlm in src/types/constants.ts: add "gpt-6-astra"

Validation

• yarn lint
• yarn build

Link to Devin session: https://app.devin.ai/sessions/ab85ce2ee8684fe5963e6b391e840f02
Open in Devin Desktop: https://app.devin.ai/desktop/session/ab85ce2ee8684fe5963e6b391e840f02?variant=devin
Requested by: @shrisukhani

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Note

Low Risk
Single new string literal on a public type alias with no runtime or auth logic changes.

Overview
Adds gpt-6-astra to the CuaLlm union in src/types/constants.ts, so clients can pass that model as the optional llm on OpenAI computer-use (CUA) agent requests without TypeScript errors.

This is a type-only SDK change; server support is handled separately (browserctrl#1396).

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[greptile-apps]

Greptile Summary

Adds OpenAI's gpt-6-astra model identifier to the public CuaLlm type.

• Allows callers to select gpt-6-astra when starting an OpenAI CUA task.
• Preserves the existing request serialization and pass-through behavior.

Confidence Score: 5/5

The PR appears safe to merge with no actionable issues identified.

The new union member follows the existing model-list pattern and is passed unchanged through the SDK's CUA request path without requiring synchronized runtime mappings or validation.

Important Files Changed

Filename	Overview
src/types/constants.ts	Adds one server-supported model identifier to the additive CuaLlm string union; no correctness issues identified.

_{Reviews (1): Last reviewed commit: "Add gpt-6-astra to CuaLlm" | Re-trigger Greptile}