Add mina-healthcheck CLI for daemon health probes#18746

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darek/mina-healthcheck

Commits on Apr 14, 2026

Add mina-healthcheck CLI and healthcheck_lib

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claude
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Add healthcheck integration tests

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Address Copilot review feedback

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Commits on Apr 15, 2026

Fix flaky healthcheck test: accept already-ready node in demo mode

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claude
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Fix OCaml formatting for command_line_tests.ml

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claude
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