{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sediment.so/schemas/derived-artifacts/accepted-session-outcome/v2.json",
  "title": "AcceptedSessionOutcome",
  "description": "One accepted Session's terminal abandonment classification.",
  "type": "object",
  "properties": {
    "org_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The deployment's tenant id, normalized. Bound to the server."
    },
    "session_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The coding-agent session this belongs to (ADR 0002)."
    },
    "accepted_decisions": {
      "type": "integer",
      "description": "How many accepted Developer decisions this Session contains."
    },
    "explicit_accepted_decisions": {
      "type": "integer",
      "description": "How many accepted decisions came from an explicit developer gesture."
    },
    "last_decision_at": {
      "type": "string",
      "format": "date-time",
      "description": "The Session's newest decision time, which anchors the grace horizon."
    },
    "as_of": {
      "type": "string",
      "format": "date-time",
      "description": "The newest timestamp in the Facts read by the Derivation."
    },
    "status": {
      "enum": [
        "committed",
        "abandoned",
        "in_flight",
        "attribution_unavailable"
      ],
      "type": "string",
      "description": "The Session's closed terminal classification: committed, abandoned, in_flight, or attribution_unavailable."
    },
    "provenance": {
      "$ref": "#/$defs/Provenance",
      "description": "The structured provenance for this artifact."
    }
  },
  "additionalProperties": false,
  "required": [
    "org_id",
    "session_id",
    "accepted_decisions",
    "explicit_accepted_decisions",
    "last_decision_at",
    "as_of",
    "status",
    "provenance"
  ],
  "$defs": {
    "Provenance": {
      "type": "object",
      "properties": {
        "policy_version": {
          "type": "string",
          "description": "The derivation implementation policy version."
        },
        "quarantine_revision": {
          "type": "integer",
          "description": "The integer quarantine-log high-water mark used for the derivation."
        },
        "policy_digest": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "description": "SHA-256 of the fully resolved derivation policy when available."
        }
      },
      "additionalProperties": false,
      "required": [
        "policy_version",
        "quarantine_revision",
        "policy_digest"
      ]
    }
  }
}