GateGate

A Go/No-Go checkpoint with required approvals and exit criteria. Gates govern milestone progression and cutover events. Multi-step approval chains per Q2.

RACI requirements

decision_maker

required

approver

chain

reviewer

required

contributor

optional

informed

optional

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://gcc.bootminds.com/ontology/node-types/gate.json",
  "title": "Gate",
  "description": "A Go/No-Go checkpoint with required approvals and exit criteria. Gates govern milestone progression and cutover events. Multi-step approval chains per Q2.",
  "type": "object",
  "x-node-type": "Gate",
  "x-lifecycle-state-machine": null,
  "x-raci-requirements": {
    "decision_maker": "required",
    "approver": "chain",
    "reviewer": "required",
    "contributor": "optional",
    "informed": "optional"
  },
  "x-retention-class": "operational",
  "required": [
    "node_id",
    "node_type",
    "tenant_id",
    "attributes",
    "state",
    "created_at",
    "created_by"
  ],
  "properties": {
    "node_id": {
      "type": "string",
      "format": "uuid"
    },
    "node_type": {
      "const": "Gate"
    },
    "tenant_id": {
      "type": "string",
      "format": "uuid"
    },
    "state": {
      "type": "string",
      "enum": [
        "Pending",
        "InReview",
        "Go",
        "NoGo",
        "Conditional"
      ],
      "description": "Gate go/no-go state. A formal gate state machine may be authored separately in Phase 1B; for now the enum is the authoritative status."
    },
    "attributes": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "name",
        "exit_criteria_checklist",
        "required_approvals_chain",
        "go_no_go_state"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "description": "Gate name (e.g., 'Wave 1 Cutover Go/No-Go')."
        },
        "description": {
          "type": "string",
          "description": "Optional description of what this gate governs."
        },
        "exit_criteria_checklist": {
          "type": "array",
          "description": "Checklist of exit criteria with satisfaction state and evidence pointers.",
          "items": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "criterion",
              "satisfied"
            ],
            "properties": {
              "criterion": {
                "type": "string",
                "minLength": 1,
                "description": "Free-text criterion (e.g., 'All P0 decisions locked')."
              },
              "satisfied": {
                "type": "boolean",
                "description": "Whether this criterion is currently satisfied."
              },
              "evidence_refs": {
                "type": "array",
                "description": "References to evidence supporting satisfaction. Typically Document or Answer UUIDs.",
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": [
                    "object_type",
                    "object_id"
                  ],
                  "properties": {
                    "object_type": {
                      "type": "string",
                      "enum": [
                        "Document",
                        "Answer",
                        "Decision",
                        "Milestone",
                        "Capability"
                      ]
                    },
                    "object_id": {
                      "type": "string",
                      "format": "uuid"
                    }
                  }
                }
              }
            }
          }
        },
        "required_approvals_chain": {
          "type": "array",
          "minItems": 1,
          "description": "Q2: ordered list of Stakeholder UUIDs that must approve in sequence to issue a Go.",
          "items": {
            "type": "string",
            "format": "uuid"
          }
        },
        "current_approval_step": {
          "type": "integer",
          "minimum": 0,
          "description": "Zero-based index into required_approvals_chain pointing at the next required approver."
        },
        "go_no_go_state": {
          "type": "string",
          "enum": [
            "Pending",
            "Go",
            "NoGo",
            "Conditional"
          ],
          "description": "Final adjudicated go/no-go state. 'Pending' until all approvals are in; 'Conditional' allows progression subject to noted caveats."
        },
        "conditions": {
          "type": "array",
          "description": "If go_no_go_state == 'Conditional', the noted caveats.",
          "items": {
            "type": "string"
          }
        }
      }
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "created_by": {
      "type": "string",
      "format": "uuid"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    }
  }
}