{
  "study_id": "toy-bias-study",
  "question": "Does adding a fixed bias increase squared error when estimating a synthetic zero mean?",
  "motivation": "Exercise a portable research lifecycle against a known analytical expectation.",
  "success_criteria": [
    "Known-answer controls pass",
    "Twenty-four held-out confirmation seeds complete",
    "Raw outputs recompute manuscript numbers",
    "Failures and interruptions remain traceable"
  ],
  "constraints": [
    "No external accounts, paid APIs, GPUs or model calls",
    "Pilot and confirmation seeds must be disjoint",
    "No novelty or real-agent quality claim"
  ],
  "output": "Short English manuscript and auditable evidence package",
  "stop_rules": [
    "28 total attempts",
    "60 execution seconds",
    "Two failed attempts for the same run",
    "Missing execution capability"
  ]
}