{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://legalquants.example/schemas/definition-check-context-result-v1.json",
  "title": "Definition Check Context Retrieval Result",
  "type": "object",
  "required": ["schema_version", "source", "request", "evidence", "note"],
  "properties": {
    "schema_version": { "const": "context-result-v1" },
    "source": {
      "type": "object",
      "required": ["document_id", "sha256"],
      "properties": {
        "document_id": { "type": "string", "minLength": 1 },
        "sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
      },
      "additionalProperties": false
    },
    "request": { "$ref": "context-request-schema.json" },
    "evidence": {
      "type": "array",
      "items": { "$ref": "#/$defs/evidence" }
    },
    "note": { "type": ["string", "null"] },
    "view_type": { "const": "bounded_context_retrieval" },
    "authority": { "const": "source_evidence_only" },
    "matter_id": { "type": "string", "minLength": 1 },
    "document_id": { "type": "string", "minLength": 1 },
    "version_id": { "type": "string", "minLength": 1 },
    "snapshot_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
  },
  "allOf": [
    {
      "if": { "required": ["matter_id"] },
      "then": {
        "required": ["view_type", "authority", "matter_id", "document_id", "version_id", "snapshot_sha256"]
      },
      "else": {
        "not": {
          "anyOf": [
            { "required": ["view_type"] },
            { "required": ["authority"] },
            { "required": ["document_id"] },
            { "required": ["version_id"] },
            { "required": ["snapshot_sha256"] }
          ]
        }
      }
    }
  ],
  "$defs": {
    "location": {
      "type": "object",
      "required": ["part", "block_id", "block_order", "char_start", "char_end"],
      "properties": {
        "part": { "type": "string", "minLength": 1 },
        "block_id": { "type": "string", "minLength": 1 },
        "block_order": { "type": "integer", "minimum": 0 },
        "char_start": { "type": "integer", "minimum": 0 },
        "char_end": { "type": "integer", "minimum": 0 },
        "matter_id": { "type": "string", "minLength": 1 },
        "document_id": { "type": "string", "minLength": 1 },
        "version_id": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    },
    "evidence": {
      "type": "object",
      "required": ["id", "location", "excerpt", "stance", "method"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "location": { "$ref": "#/$defs/location" },
        "excerpt": { "type": "string", "minLength": 1, "maxLength": 4000 },
        "stance": { "enum": ["supports", "contradicts", "context"] },
        "method": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}