The Phantom Env Var Debugging Lab

The Phantom Env VarConfig & EnvironmentEasyPreparing workspaceAutosaved

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Incident Dossier

The Phantom Env Var

A config cleanup changed how production auth settings are selected. Local tests still look fine, but CI now proves invalid auth can slip through.

Initial failing signalauth.test.js expects 401 but receives 200Expected 401 · received 200

Progress

1Reproduce the bugRun checks

2Edit the fixOpen

3Pass checksOpen

4Submit fixOpen

Reproduction Steps

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Likely area

Progressive hints

Hints reveal broad direction first, then narrow toward the suspect path without showing hidden tests or exact solution code.

TopicConfig & Environment

DifficultyEasy

Est. time12 min

Workspacecreating

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Preparing workspace files…

Evidence Map

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workspace

Outputread-onlyready$ workspace boot

Workspace booting...