test: run full test suite in CI, not just smoke tests

[dmchaledev]

Problem

The npm test script only ran test/smoke.test.mjs:

"test": "node --test test/smoke.test.mjs"

That means the 59-test test/calculate.test.mjs suite — which validates all the core VM-sizing, timing, cost, and ROI calculation logic — was never executed by CI. Only the 6 smoke tests ran on every push and PR.

This appears to be an oversight: commit dafee26 ("fix: strengthen type definitions, add calculation tests (59 new)") describes its test script change as "Updated test script to glob", but package.json was never actually changed, so the new suite has been silently skipped this whole time.

Before:

# tests 6
# pass 6

Fix

Glob over test/*.test.mjs so npm test runs every test file:

"test": "node --test test/*.test.mjs"

After:

# tests 65
# pass 65

All 65 tests pass (6 smoke + 59 calculation). No production code changes — this only widens what CI exercises.

Why the unquoted glob

I used the unquoted, shell-expanded form rather than Node's native --test glob ('test/**/*.test.mjs'). Node's built-in glob matching for the test runner only landed in Node 21+, but the CI matrix runs Node 18, 20, and 22. Since npm executes scripts through a shell, test/*.test.mjs is expanded by the shell on all three versions, keeping the matrix green.

Verification

$ npm test
# tests 65
# suites 15
# pass 65
# fail 0

https://claude.ai/code/session_01LwFnZPwzoyzna7pPqq2b6R

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