fix: move config watcher to graph command

[anmonteiro]

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Summary

Tentative fix for #4359

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[anmonteiro]

drive-by adding a new example

[erezrokah]

You'll need to run npm run docs to sync the docs with this change (and fix the CI)

[github-actions]

📊 Benchmark results

Comparing with 3db51e2

Package size: 443 MB

⬇️ 0.00% decrease vs. 3db51e2

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Legend

• T-30 (3db51e2): 443 MB
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• T-1 (57b199e): 443 MB
• T (current commit): 443 MB

[erezrokah]

What do you think about keeping this in the base command, and only applying for dev?
I'm thinking we might want this for functions:serve and possibly other long running commands.

I'll leave that up to you, I don't think it's a blocker for the PR

[anmonteiro]

I'd prefer to do that work when we need that for functions:serve. There are (as evidenced by this PR) wrinkles to figure out wrt memory usage and I believe exposing this in BaseCommand could give false confidence that this is ready for wide application.

[sgrove]

lgtm - thanks for helping out our users!