{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/ibm-quantum/ibm-quantum-job-schema.json",
  "title": "IBM Quantum Runtime Job",
  "description": "Schema for an IBM Qiskit Runtime job — the unit of execution submitted via POST /v1/jobs and inspected via GET /v1/jobs/{id} on the Qiskit Runtime REST API.",
  "type": "object",
  "definitions": {
    "JobCreateRequest": {
      "type": "object",
      "description": "Request body for POST /v1/jobs to submit a Qiskit Runtime primitive job (sampler or estimator).",
      "required": ["program_id", "backend", "params"],
      "properties": {
        "program_id": {
          "type": "string",
          "description": "The Qiskit Runtime primitive to invoke.",
          "enum": ["sampler", "estimator"]
        },
        "backend": {
          "type": "string",
          "description": "Name of the IBM Quantum backend (QPU or simulator) on which to execute."
        },
        "hub": { "type": "string", "description": "Legacy hub identifier (deprecated)." },
        "group": { "type": "string", "description": "Legacy group identifier (deprecated)." },
        "project": { "type": "string", "description": "Legacy project identifier (deprecated)." },
        "session_id": { "type": "string", "description": "Optional Qiskit Runtime session to attach the job to." },
        "tags": {
          "type": "array",
          "description": "User tags applied to the job for filtering and cost-allocation.",
          "items": { "type": "string" }
        },
        "params": {
          "type": "object",
          "description": "Primitive-specific input. For sampler: circuits + shots. For estimator: circuits + observables + parameters.",
          "additionalProperties": true
        },
        "private": {
          "type": "boolean",
          "description": "When true, results are stored encrypted and not accessible via shared analytics."
        }
      }
    },
    "Job": {
      "type": "object",
      "description": "A Qiskit Runtime job record returned by the REST API.",
      "required": ["id", "backend", "program", "status", "created"],
      "properties": {
        "id": { "type": "string", "description": "Job identifier (e.g. ch1g5sgsf...)." },
        "backend": { "type": "string", "description": "Backend on which the job ran." },
        "program": {
          "type": "string",
          "description": "Primitive that was executed.",
          "enum": ["sampler", "estimator"]
        },
        "status": {
          "type": "string",
          "description": "Lifecycle state of the job.",
          "enum": [
            "Initializing",
            "Queued",
            "Validating",
            "Running",
            "Completed",
            "Cancelled",
            "Failed",
            "CancelledMaxExecutionTimeReached"
          ]
        },
        "created": { "type": "string", "format": "date-time" },
        "ended": { "type": "string", "format": "date-time" },
        "tags": { "type": "array", "items": { "type": "string" } },
        "session_id": { "type": "string" },
        "private": { "type": "boolean" },
        "usage": { "$ref": "#/definitions/Usage" }
      }
    },
    "Usage": {
      "type": "object",
      "description": "Quantum compute time consumed by the job.",
      "properties": {
        "quantum_seconds": { "type": "number", "minimum": 0 },
        "seconds": { "type": "number", "minimum": 0 }
      }
    },
    "JobResult": {
      "type": "object",
      "description": "Result envelope returned by GET /v1/jobs/{id}/results.",
      "properties": {
        "results": { "type": "array", "items": { "type": "object", "additionalProperties": true } },
        "metadata": { "type": "object", "additionalProperties": true }
      }
    }
  },
  "oneOf": [
    { "$ref": "#/definitions/JobCreateRequest" },
    { "$ref": "#/definitions/Job" },
    { "$ref": "#/definitions/JobResult" }
  ]
}