{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:relationship-policy-candidate:v1",
  "title": "RelationshipPolicyCandidate v1",
  "description": "Host-internal eligibility read model produced while evaluating relationship-derived policy. A candidate is diagnostic input, not authority.",
  "type": "object",
  "additionalProperties": true,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/065-local-relationship-layer.md",
    "doc/project/60-solutions/032-local-relationship-layer/032-local-relationship-layer.md"
  ],
  "required": [
    "schema",
    "schema/v",
    "candidate/id",
    "predicate/ref",
    "contact/ref",
    "class/id",
    "relationship/fact-id",
    "local/operator-ref",
    "evidence/ref",
    "action/kind",
    "policy/ref",
    "candidate/effects",
    "limits",
    "valid/until",
    "decision/hint",
    "as-of-tx/id"
  ],
  "properties": {
    "schema": { "const": "relationship-policy-candidate.v1" },
    "schema/v": { "const": 1 },
    "candidate/id": { "type": "string", "pattern": "^relationship-policy-candidate:[a-z0-9][a-z0-9:-]*$" },
    "predicate/ref": { "type": "string", "pattern": "^relationship-policy-predicate:[a-z0-9][a-z0-9:-]*$" },
    "contact/ref": { "type": "string", "pattern": "^(local-contact:[A-Za-z0-9_-]+|node:\\S+|participant:\\S+|routing:\\S+)$" },
    "class/id": { "$ref": "relationship-class.v1.schema.json#/$defs/class_id" },
    "relationship/fact-id": { "type": "string", "pattern": "^fact:relationship-membership:[a-z0-9][a-z0-9:-]*$" },
    "local/operator-ref": { "type": "string", "minLength": 1, "maxLength": 256 },
    "remote/operator-ref": { "type": "string", "minLength": 1, "maxLength": 256 },
    "participant/ref": { "type": "string", "pattern": "^participant:" },
    "node/ref": { "type": "string", "pattern": "^node:" },
    "node-operator-binding/ref": { "type": "string", "minLength": 1, "maxLength": 256 },
    "evidence/ref": {
      "type": "array",
      "items": { "type": "string", "minLength": 1, "maxLength": 256 }
    },
    "action/kind": { "$ref": "relationship-policy-predicate.v1.schema.json#/$defs/action_kind" },
    "policy/ref": { "type": "string", "minLength": 1, "maxLength": 256 },
    "candidate/effects": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/$defs/candidate_effect" }
    },
    "limits": { "$ref": "relationship-policy-predicate.v1.schema.json#/$defs/limits" },
    "valid/until": { "type": "string", "format": "date-time" },
    "decision/hint": { "type": "string", "enum": ["eligible", "quarantine", "deny"] },
    "as-of-tx/id": { "type": "string", "minLength": 1, "maxLength": 160 }
  },
  "$defs": {
    "candidate_effect": {
      "type": "object",
      "additionalProperties": true,
      "required": ["effect/scope"],
      "properties": {
        "effect/scope": { "$ref": "relationship-policy-predicate.v1.schema.json#/$defs/effect_scope" },
        "limits": { "$ref": "relationship-policy-predicate.v1.schema.json#/$defs/limits" }
      }
    }
  }
}