feat: add comprehensive environment detection for better Node.js installation guidance #71

Job	Run time
Test npx fallback (py3.12, ubuntu-latest)	1m 50s
Test npx fallback (py3.12, windows-latest)	3m 20s
Build Package	10s
Type Check	12s
Lint and Format	9s
Test (py3.13, ubuntu-latest)	1m 45s
Test (py3.9, windows-latest)	12m 38s
Test (py3.9, ubuntu-latest)	1m 30s
Test (py3.13, windows-latest)	11m 41s
CI Success	5s
	33m 20s

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