Actual failing command, recorded hypotheses and narrow repair; fresh subprocess reruns on two inputs and a missing file.

PASS normal: Narrow path repair rerun with real JSON input and independently compared values.
PASS different: Narrow path repair rerun with real JSON input and independently compared values.
PASS original-error-reproduced: Original intentionally broken script still fails with the observed imput.json path.
PASS genuinely-missing-input: The repaired code visibly fails when its input is absent.

node.exe <repository>\build\.test-runs\debugging-m72AY0\normal\run.mjs
exit=0
Public practice cards: 24

node.exe <repository>\build\.test-runs\debugging-m72AY0\different\run.mjs
exit=0
读书会书签: 17

node.exe studio/debugging/inputs/missing-file/run.mjs
exit=1
node:fs:440
    return binding.readFileUtf8(path, stringToFlags(options.flag));
                   ^

Error: ENOENT: no such file or directory, open '<repository>\studio\debugging\inputs\missing-file\imput.json'
    at readFileSync (node:fs:440:20)
    at file:///<repository>/studio/debugging/inputs/missing-file/run.mjs:2:23
    at ModuleJob.run (node:internal/modules/esm/module_job:430:25)
    at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:661:26)
    at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:101:5) {
  errno: -4058,
  code: 'ENOENT',
  syscall: 'open',
  path: 'L:\\project-folder-2\\skillcube\\studio\\debugging\\inputs\\missing-file\\imput.json'
}

Node.js v24.14.0

node.exe <repository>\build\.test-runs\debugging-m72AY0\missing\run.mjs
exit=1
node:fs:440
    return binding.readFileUtf8(path, stringToFlags(options.flag));
                   ^

Error: ENOENT: no such file or directory, open '<repository>\build\.test-runs\debugging-m72AY0\missing\input.json'
    at readFileSync (node:fs:440:20)
    at file:///<repository>/build/.test-runs/debugging-m72AY0/missing/run.mjs:2:23
    at ModuleJob.run (node:internal/modules/esm/module_job:430:25)
    at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:661:26)
    at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:101:5) {
  errno: -4058,
  code: 'ENOENT',
  syscall: 'open',
  path: 'L:\\project-folder-2\\skillcube\\build\\.test-runs\\debugging-m72AY0\\missing\\input.json'
}

Node.js v24.14.0

