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ARCADIA-Studio/harness/experiments/multiselect-20260923/incidents/README.md
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Run-2 baseline checker environment incident

The first baseline checker invocation exited 3221225781 (0xC0000135) at 2026-09-23 09:07:10 UTC with empty stdout/stderr. The parent reported that this shell omitted dot-sourcing the toolchain env.ps1. After that environment setup, the same checker command succeeded at 09:08:08 UTC with a complete-Project PASS. This records a checker-process launch incident, not a failure of the running GUI. No particular missing DLL was measured or identified.

run-2-baseline-runtime-environment/ is an exact copy of the failed snapshot: started/result receipts, empty streams and all nine source files. Its unchanged command text still names the original run-2/snapshots/baseline location; the parent moved the failed directory aside before retrying. Paths in these records are historical labels and have not been rewritten.

retry-baseline/ preserves the successful retry's original started/result receipts and streams. Direct comparison confirmed identical command, build receipt, binary, helper, baseline and source pins between attempts. All three unchanged flags are true in both results. The nine retry source files were also compared byte for byte with the failed snapshot and are identical; they are not duplicated here. The successful run's complete snapshots belong in the separate native evidence package.

helpers/check-snapshot-2.py matches the helper pin in both receipts. helpers/env.ps1 preserves the environment setup script available when this incident was packaged. It sets toolchain paths and runtime search paths and contains no credentials. The checker receipts do not record the environment or pin env.ps1, so the omitted/setup distinction is the parent's invocation observation, not an independently measured environment comparison. Both scripts are historical data; this package does not execute them.

The checker binary pin in both attempts is 4de47a2b62192be6a1394e654f368be19e36fb966d60d6c833a5d51d18247bb1. files.json pins every included file except itself. Raw bytes are preserved. No frozen checks, source-identity or native packaging tools were changed.