GateOpenedevent type

Gate opened (Go/No-Go checkpoint becomes active for approval). Multi-step approval per Q2 mirrors DecisionStepApproved.

Full spec

{
  "name": "GateOpened",
  "description": "Gate opened (Go/No-Go checkpoint becomes active for approval). Multi-step approval per Q2 mirrors DecisionStepApproved.",
  "current_version": 1,
  "actor_type_allowed": [
    "human"
  ],
  "object_type": "Gate",
  "payload_versions": {
    "v1": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "gate_id",
        "title",
        "owner_id",
        "linked_milestone_ids",
        "approval_chain_step_count",
        "opened_by"
      ],
      "properties": {
        "gate_id": {
          "type": "string",
          "format": "uuid"
        },
        "title": {
          "type": "string",
          "minLength": 1
        },
        "description": {
          "type": "string"
        },
        "owner_id": {
          "type": "string",
          "format": "uuid"
        },
        "exit_criteria": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "default": []
        },
        "linked_milestone_ids": {
          "type": "array",
          "items": {
            "type": "string",
            "format": "uuid"
          },
          "default": []
        },
        "approval_chain_step_count": {
          "type": "integer",
          "minimum": 1
        },
        "opened_by": {
          "type": "string",
          "format": "uuid"
        }
      }
    }
  },
  "projections_consuming": [
    "gates_view",
    "timeline_view",
    "audit_log"
  ],
  "canonicalizer_module": "event-canonicalizers/gate_opened.ts"
}