{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:node-succession:v1",
  "title": "NodeSuccession v1",
  "description": "Local proof that one node identity key explicitly names a successor node identity key. The proof is a signed fact, not an automatic transfer of endpoint evidence, TLS pins, routing trust, or operator acceptance.",
  "type": "object",
  "additionalProperties": false,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/014-node-transport-and-discovery-mvp.md",
    "doc/project/50-requirements/requirements-006-node-networking-mvp.md",
    "doc/project/60-solutions/000-node/000-node.md"
  ],
  "required": [
    "schema",
    "schema/v",
    "succession/id",
    "old/node-id",
    "old/key-public",
    "new/node-id",
    "new/key-public",
    "succession/mode",
    "issued-at",
    "expires-at",
    "proof/old",
    "proof/new"
  ],
  "properties": {
    "schema": {
      "const": "node-succession.v1"
    },
    "schema/v": {
      "const": 1
    },
    "succession/id": {
      "type": "string",
      "pattern": "^node-succession:sha256:[A-Za-z0-9_-]+$",
      "description": "Digest-derived identifier of the signed payload."
    },
    "old/node-id": {
      "type": "string",
      "pattern": "^node:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "old/key-public": {
      "type": "string",
      "pattern": "^z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "new/node-id": {
      "type": "string",
      "pattern": "^node:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "new/key-public": {
      "type": "string",
      "pattern": "^z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "succession/mode": {
      "type": "string",
      "enum": [
        "planned-rotation",
        "emergency-rotation",
        "operator-rekey"
      ]
    },
    "issued-at": {
      "type": "string",
      "format": "date-time"
    },
    "expires-at": {
      "type": "string",
      "format": "date-time"
    },
    "reason/ref": {
      "type": "string",
      "minLength": 1
    },
    "revocation/ref": {
      "type": "string",
      "minLength": 1
    },
    "proof/old": {
      "$ref": "#/$defs/proof"
    },
    "proof/new": {
      "$ref": "#/$defs/proof"
    }
  },
  "$defs": {
    "proof": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "alg",
        "value"
      ],
      "properties": {
        "alg": {
          "const": "ed25519"
        },
        "value": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[A-Za-z0-9_-]+$"
        }
      }
    }
  }
}