CLI subprocess emits ExperimentalWarning for node:sqlite to stderr

[theblixguy]

The CLI subprocess stderr handler forwards everything to the parent's stderr, including Node warnings:

[CLI subprocess] (node:52660) ExperimentalWarning: SQLite is an experimental feature and might change at any time
[CLI subprocess] (Use `node --trace-warnings ...` to show where the warning was created)

Since it's in the child process, there's no way to suppress it from the consumer side because process.emit overrides or --no-warnings only affect the parent.

[github-actions]

Thanks for opening this issue! 👋

I've labeled this as a bug since the CLI subprocess stderr handler is forwarding Node.js experimental warnings that cannot be suppressed from the SDK consumer side.

This appears to affect all SDKs that spawn the Node-based CLI as a subprocess. The suggested solutions (passing --no-warnings when spawning or filtering warning lines in the stderr handler) seem reasonable.

The team will review this and determine the best approach to suppress these warnings.

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