{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://signalaf.com/standard/sigrank-operator-record-v0.1.schema.json",
  "title": "SigRank Operator Record v0.1-draft",
  "type": "object",
  "additionalProperties": false,
  "required": ["spec", "timestamp", "source", "telemetry", "metrics"],
  "properties": {
    "spec": { "const": "sigrank/0.1-draft" },
    "timestamp": { "type": "string", "format": "date-time" },
    "source": {
      "type": "object",
      "additionalProperties": false,
      "required": ["provider", "model", "tool"],
      "properties": {
        "provider": { "type": "string", "minLength": 1 },
        "model": { "type": "string", "minLength": 1 },
        "tool": { "type": "string", "minLength": 1 }
      }
    },
    "telemetry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["input", "output"],
      "properties": {
        "input": { "type": "integer", "minimum": 0 },
        "output": { "type": "integer", "minimum": 0 },
        "cache_write": { "type": ["integer", "null"], "minimum": 0 },
        "cache_read": { "type": ["integer", "null"], "minimum": 0 }
      }
    },
    "metrics": {
      "type": "object",
      "additionalProperties": false,
      "required": ["yield", "leverage", "velocity", "snr", "dev10x"],
      "properties": {
        "yield": { "type": ["number", "null"] },
        "leverage": { "type": ["number", "null"] },
        "velocity": { "type": ["number", "null"] },
        "snr": { "type": ["number", "null"] },
        "dev10x": { "type": ["number", "null"] }
      }
    },
    "warnings": {
      "type": "array",
      "items": { "type": "string" }
    },
    "context": {
      "type": "object",
      "additionalProperties": true,
      "properties": {
        "operator_id": { "type": ["string", "null"] },
        "cohort_id": { "type": ["string", "null"] },
        "window": { "type": ["string", "null"] },
        "privacy_mode": {
          "enum": ["anonymous", "pseudonymous", "private", "identified", null]
        }
      }
    }
  }
}