AGENTS.md/CLAUDE.md should mention `vp env doctor`

[connorshea]

Documentation is

• Missing
• Outdated
• Confusing
• Not sure

Explain in Detail

vp env doctor would be a good thing to note in the generated AGENTS/CLAUDE.md file for troubleshooting issues as part of setup/when running into problems.

Your Suggestion for Changes

Add a short note about vp env doctor for troubleshooting purposes.

Some other related feedback on the CLAUDE.md/AGENTS.md:

• The content is a bit long right now, it might be a better idea to split some parts into a SKILL.md file so it doesn't bloat the agent context window unnecessarily.
• The "CI integration" section is only going to be relevant occasionally. It'd be a good candidate to move into a SKILL.md file.

Relevant Page

https://github.com/voidzero-dev/vite-plus/blob/main/packages/cli/AGENTS.md

Reproduction (Optional)

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Steps to reproduce (Optional)

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