gh pr checkout 320223

[zht5128]

TZAHAL

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds a GitHub Actions workflow to build and test chat-lib across OSes on PRs and manual runs.

Changes:

• Introduces a new CI workflow triggered on pull_request and workflow_dispatch
• Runs extract-chat-lib, installs dependencies, builds, and executes tests on Ubuntu/macOS/Windows
• Enables npm caching using lockfiles from both extensions/copilot and extensions/copilot/chat-lib

[zht5128]

Revisão

[zht5128]

TZAHAL 126479

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