Answer architecture round 1: 0 🔴, 2 🟡 (0 misread); a RuntimeError fails the run in a 6 GB container, Stryker bumps wait for a hand run, its package is a decision, item 76 names the test-file lists

mutation-tests/check-runtime-errors.mjs

@@ -0,0 +1,9 @@
+import { readFileSync } from 'node:fs'
+import config from './stryker.config.mjs'
+
+const mutants = Object.values(JSON.parse(readFileSync(config.jsonReporter.fileName, 'utf8')).files).flatMap((file) => file.mutants)
+const errors = mutants.filter((mutant) => mutant.status === 'RuntimeError').length
+if (errors > 0) {
+  console.error(`${errors} of ${mutants.length} mutants ended as RuntimeError, so each may hide a survivor`)
+  process.exit(1)
+}