Scenario Lab

Configure a scenario, run the harness, and view results. The harness writes to the OS data directory in exact CSV format.

Run from CLI

python mvp_build/harness.py list                  # show 16 scenarios
python mvp_build/harness.py run supplier_fail_sup005  # write to data/
python mvp_build/harness.py show supplier_fail_sup005 # details

After running, visit Dashboard to see the updated data ingested by the OS.

Supplier Failure (SUP005)

Far East Imports reliability → 0, lead → 999d.

Demand Spike +30%

61.2

Demand doubled across products; inventory collapses.

Inventory Drawdown

On-hand inventory halved; stockout risk surfaces.

Geopolitical Block

CN supplier blocked; country = BLOCKED in CSV.

Quality: Negative Qty

quality

Tests OS ingestion quality-flag path.