Create data/tester.csv

data/tester.csv

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+id,scenario,model,buf,lag,cpl,notes,label_cascade_state
+AI5MV-T001,"Routing drift mixes versions within one workflow. Contract tests absent. Review delayed after weekend.",0.76,0.44,0.84,0.70,"window narrowing",1
+AI5MV-T002,"Pinned model version per environment. Canary rollout with strict routing and rollback ready.",0.44,0.84,0.10,0.34,"buffer strong",0
+AI5MV-T003,"Shared tools and embeddings across products. Version conflict propagates. Audit delayed to next sprint.",0.82,0.36,0.82,0.82,"spread across coupling",1
+AI5MV-T004,"Contract tests detect mismatch and pause rollout. Immediate reroute and rollback.",0.56,0.74,0.16,0.50,"recoverable",0
+AI5MV-T005,"Version conflict breaks tool protocol and safety assumptions. No triage for 48h. Rollback delayed.",0.86,0.30,0.88,0.86,"cascade engaged",1
+AI5MV-T006,"Version pressure rises but policy blocks mixed routing without compatibility tests.",0.60,0.70,0.18,0.54,"buffer intact",0
+AI5MV-T007,"Contract tests relaxed for throughput. Weekly review misses early mixing signals.",0.74,0.46,0.78,0.74,"lag plus coupling",1
+AI5MV-T008,"Shadow mode test with strict routing checks and live monitoring. Pause available.",0.48,0.80,0.12,0.42,"recoverable",0
+AI5MV-T009,"Version conflict across services. Alert volume spikes. No one triages for 48h.",0.90,0.28,0.90,0.90,"cascade engaged",1