chore(mothership): sync the computer-use contract copies

[waleedlatif1]

Summary

This regenerates the two copies of the mothership computer-use contract with the worker's bun run contracts:sync:

• apps/sim/lib/mothership/generated/computer-use.ts
• packages/desktop-bridge/src/computer-use.generated.ts

The source change is in simstudioai/mothership#720. The scroll refine callback's parameter now accepts number | undefined for deltaX/deltaY, so it typechecks under exactOptionalPropertyTypes, and the two scroll branches are re-wrapped to the formatter's line width. Runtime behaviour does not change: the refine body and the schema are identical.

Merge order

Merge this first. Mothership's contract-sync check compares these files byte for byte with the worker source, and mothership#720 then goes green on the computer-use step.

Verification

• After the sync, check:contract-sync run from the mothership branch against this branch reports no computer-use drift.
• bun run type-check in packages/desktop-bridge passes.
• Both files are generated and excluded from biome.

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Oct 16, 2026 2:54am UTC

[cubic-dev-ai]

No issues found across 2 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Turn on auto-fix | Re-trigger cubic}

[greptile-apps]

Confidence Score: 5/5

[Low impact] This PR appears safe to merge.

Summary

Updates both generated computer-use contracts so hasScrollDistance explicitly accepts undefined for deltaX and deltaY.

• Scroll helper types now allow explicitly undefined offsets.

_{Reviews (1) · Last reviewed commit: "chore(mothership): sync the computer-use..." · Reviewed by Greptile}