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id: E4-deploy-002
title: "Public-Broadcast Playout Upgrade: Shell-State Persistence"
scenario:
  domain: "Public-Service Broadcast Engineering"
  primary_subscenario: "shell-state persistence during a split playout-system upgrade"
  secondary_subscenarios:
    - deterministic shell-state probes
    - evidence-grounded overnight broadcast handoff
    - cross-Harness command-execution comparison
harness:
  dimension: E
  subdimension: E4
  subdimension_name: "shell-state persistence"
intensity:
  level: L3
  description: "Twelve ordered, setup-confirmed probes determine whether a split public-broadcast playout deployment can retain shell-local state, inherited process state, job control, and open resources across separate native command-execution calls."
input_mode: single_turn
tool_dependencies: [native_exec_v1, post_tool_v1, process_containment_v1, background_process_v1, business_cli_v1]
budget:
  max_turns: 1
  max_tool_calls: 160
  max_wall_time_sec: 1800
expected_outputs:
  - workspace/output/
verifier:
  entrypoint: verifier/run.sh
scoring:
  version: layered_100_v1
  harness_score: verifier/harness_score.yaml
  agent_score: verifier/agent_score.yaml
business_simulator:
  version: unix_json_v1
  scenario: simulator/scenario.json
  server: simulator/server.py
  cli: taskctl
execution_probe:
  version: lifecycle_v1
  requires: [native_exec_v1, post_tool_v1, process_containment_v1, background_process_v1, business_cli_v1]
execution:
  mode: native
  protocol: native_v1
  profile: runtime/execution.json
rebuilt_from:
  case: M-E3a-deploy-L3-001
  what_changed: "Converted to one English input turn and a public-broadcast playout upgrade setting; every setup emits a success marker so setup failure cannot masquerade as state loss, and layered scoring directly measures cross-call recovery, trace integrity, evidence fidelity, and deterministic artifact correctness."