feat: add test compilation check to precommit hook

[gonzaloserrano]

go build skips _test.go files, so API breakages in tests go undetected. Add go test -run='^$' -count=0 to compile test files without running them.

[cubic-dev-ai]

1 issue found across 5 files

Prompt for AI agents (unresolved issues)

Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.


<file name="scripts/go-precommit.sh">

<violation number="1" location="scripts/go-precommit.sh:36">
P2: `-run='^$'` still runs each package's test binary, so `TestMain` setup/teardown can execute during pre-commit. That makes this hook fail for runtime-only test setup instead of only checking test compilation.</violation>
</file>

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