feat(browsers): add Pool column to browsers list

[masnwilliams]

Note

Highlights pool awareness across browser commands.

• Adds Pool column to browsers list and includes pool_id in each row when present
• Extends printBrowserSessionResult/buildBrowserTableData to accept and display Pool ID; all call sites updated (create, get, pool acquire path)
• browsers create now supports acquiring from pools via --pool-id or --pool-name (with conflict checks and optional acquire timeout), printing results consistently

^{Written by Cursor Bugbot for commit 7ec1e4e. This will update automatically on new commits. Configure here.}

[github-actions]

🔧 CI Fix Available

I've pushed a fix for the CI failure. The build was failing because the SDK v0.26.0 doesn't have the PoolID field on browser response types yet.

The fix: Instead of removing the Pool column, this fix properly extracts pool_id from JSON.ExtraFields["pool_id"] which captures undeclared JSON fields. This preserves the intended feature while working with the current SDK.

👉 Click here to create a PR with the fix