{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:corpus-reasoning-query:v1",
  "title": "CorpusReasoningQuery v1",
  "description": "MVP Corpus procurement query. It decorates an existing question-envelope.v1 with a resolved topic, buyer price bracket, reply target, and fan-out bounds.",
  "type": "object",
  "additionalProperties": false,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/069-corpus.md"
  ],
  "required": [
    "schema/v",
    "query/id",
    "correlation/id",
    "idempotency/key",
    "requester/node-id",
    "requester/participant-id",
    "topic/term",
    "corpus/taxonomy-digest",
    "query/keywords",
    "question",
    "pricing/min-amount",
    "pricing/max-amount",
    "pricing/currency",
    "max/candidates",
    "created-at",
    "deadline-at",
    "reply/target"
  ],
  "properties": {
    "schema/v": { "const": 1 },
    "query/id": {
      "type": "string",
      "pattern": "^query:[A-Za-z0-9][A-Za-z0-9:-]*$"
    },
    "correlation/id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256
    },
    "idempotency/key": { "$ref": "#/$defs/sha256_digest" },
    "requester/node-id": {
      "type": "string",
      "pattern": "^node:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "requester/participant-id": {
      "type": "string",
      "pattern": "^participant:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "topic/term": { "$ref": "#/$defs/topic_term" },
    "corpus/taxonomy-digest": { "$ref": "#/$defs/sha256_digest" },
    "query/keywords": {
      "type": "array",
      "minItems": 1,
      "maxItems": 64,
      "items": {
        "type": "string",
        "minLength": 1,
        "maxLength": 128
      }
    },
    "question": { "$ref": "question-envelope.v1.schema.json" },
    "pricing/min-amount": {
      "type": "integer",
      "minimum": 0,
      "description": "Minimum acceptable buyer price in minor units."
    },
    "pricing/max-amount": {
      "type": "integer",
      "minimum": 0,
      "description": "Maximum acceptable buyer price in minor units."
    },
    "pricing/currency": {
      "type": "string",
      "minLength": 2,
      "maxLength": 16
    },
    "max/candidates": {
      "type": "integer",
      "minimum": 1,
      "maximum": 128
    },
    "created-at": {
      "type": "string",
      "format": "date-time"
    },
    "deadline-at": {
      "type": "string",
      "format": "date-time"
    },
    "reply/target": { "$ref": "#/$defs/reply_target" },
    "extensions": { "$ref": "#/$defs/extensions" }
  },
  "$defs": {
    "sha256_digest": {
      "type": "string",
      "pattern": "^sha256:[A-Za-z0-9_-]{16,128}$"
    },
    "topic_term": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9:._+/-]*$"
    },
    "reply_target": {
      "type": "object",
      "additionalProperties": false,
      "required": ["selector/kind"],
      "properties": {
        "selector/kind": {
          "type": "string",
          "enum": ["node", "routing-subject", "artifact-delivery-reply"]
        },
        "node/id": {
          "type": "string",
          "pattern": "^node:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
        },
        "routing-subject/id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 512
        },
        "reply/ref": {
          "type": "string",
          "minLength": 1,
          "maxLength": 512
        }
      }
    },
    "extensions": {
      "type": "object",
      "additionalProperties": true
    }
  }
}