Add databricks doctor command#4730

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simonfaltum wants to merge 9 commits intomainfrom

simonfaltum/doctor-command

Commits on Mar 12, 2026

Add `databricks doctor` diagnostic command
simonfaltum
committed

Commits on Mar 13, 2026

Fix review findings: config resolution, timeouts, output routing, tests
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Fix TestCheckAuthSuccess to work in CI
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Fix config resolution, error handling, and test isolation
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Fix errcheck lint and add doctor to help golden file
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Use SDK HTTP client for network checks, return error on check failure
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Use config-based HTTP client in network check fallback path
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Fix doctor command: account-level auth, per-check timeouts, network fallback, skip status
simonfaltum
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Fix lint: use errors.New per perfsprint linter rule
simonfaltum
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