04 / Sandbox Hypothesis Testing
Verify Hypothesis in Isolated Container
Interactive DemoWhat is Verification? Before committing changes to your repository, Debug Vitals spins up an isolated sandbox container to test your fix hypothesis and prove whether the failure is resolved.
Tested Diagnostic Hypothesis
“Updating the CI node image from node:20-alpine to node:22-alpine will resolve all 17 failures.”
Control Run (Default Env)
CI node:20-alpine
17 failed, build error
Failed (Mismatch)Experiment Run (Fixed Env Sandbox)
CI node:22-alpine
124 passed, 0 failed
Passed (0 Errors)✅ Hypothesis Empirically Confirmed
Verification Container Passed
Running tests inside the isolated sandbox container returned 0 errors, confirming that the diagnosed environment shift solves the issue.