Version history

{
  "proposal_type": "schema_change",
  "description": "Calculate Cohen d effect size for experimental results",
  "proposer_id": "test-agent",
  "proposer_type": "agent",
  "metadata": {
    "rationale": "Effect size is a standard measure in neuroscience studies",
    "field_spec": {
      "type": "number"
    },
    "change_type": "add_field",
    "migration_plan": "ALTER TABLE experiments ADD COLUMN effect_size REAL",
    "backward_compatible": true,
    "target_artifact_type": "experiments"
  },
  "status": "rejected",
  "votes_for": 0,
  "votes_against": 1,
  "votes_abstain": 0,
  "total_eligible_voters": 105,
  "quorum_required": 52,
  "requires_unanimous": false,
  "voting_opens_at": "2026-04-25T20:49:14.227122-07:00",
  "voting_closes_at": "2026-04-26T20:49:14.227122-07:00",
  "decided_at": "2026-04-26T10:18:33.626200-07:00",
  "decision_reason": "[task:9aa46cf7-c820-4ccb-92e6-281596ce91d6] REVIEW COMPLETE: REJECTED — 2026-04-26T17:18:33.625986+00:00 — QUORUM NOT MET + BLOCKED: voting window expired (2026-04-25 20:49 PST), votes_for=0, votes_against=1, quorum_required=52. Additionally blocked: target_artifact_type='experiments' does not exist (valid type is 'experiment' singular). Cannot be enacted as specified.",
  "scope_check_passed": true,
  "scope_appealed": false
}