feat(sdk): validate generated JavaScript transport

[swkeever]

Summary

• Route the five proof-of-concept behaviors through generated Orval transport bindings.
• Preserve the existing result envelopes and VolcanoAuth compatibility while adding VolcanoClient.
• Bind the shared SDK contract with jest-cucumber and add deterministic generation checks.

Verification

• 364 native tests passed.
• 5/5 live contract scenarios passed.
• Generation, lint, types, build, dry pack, and package checks passed.

Coordination

• VOL-930
• Coordination PR
• Python PR
• Ruby PR

This pull request is a draft. No package was published.

• Docs lint tooling PR

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[chatgpt-codex-connector]

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[swkeever]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Can't wait for the next one!

Reviewed commit: 3867748eac

ℹ️ About Codex in GitHub

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• Open a pull request for review
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