{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://adcontextprotocol.org/schemas/3.3.0-beta.1/core/sla-window.json",
  "title": "SLA Window",
  "description": "Optional commitment; absence means none, not zero. Duration predicates MUST require presence. Elapsed time includes non-working time (P1D = PT24H). Business time uses the referenced calendar's working periods and business_day_minutes for P1D. Compare clocks using deadlines for the same receipt time.",
  "type": "object",
  "properties": {
    "clock": {
      "type": "string",
      "enum": [
        "elapsed",
        "business"
      ],
      "default": "elapsed",
      "x-added-in": "3.3.0",
      "description": "Business time starts at seller receipt, advancing to the next working period when outside working time."
    },
    "business_calendar_id": {
      "type": "string",
      "minLength": 1,
      "x-entity": "business_calendar",
      "x-added-in": "3.3.0",
      "description": "Immutable seller-local ID in get_adcp_capabilities.business_calendars; required only for business time."
    },
    "response_max": {
      "type": "string",
      "description": "ISO 8601 acknowledgement bound: synchronous response for self_serve, tolerance decision for conditional_self_serve, queue receipt for seller_managed/requires_approval. Elapsed action SLAs start at buyer issuance. Review and report SLAs start at seller receipt; reports require human acknowledgement.",
      "pattern": "^P(?!$)(\\d+Y)?(\\d+M)?(\\d+D)?(T(\\d+H)?(\\d+M)?(\\d+S)?)?$",
      "examples": [
        "PT5M",
        "PT4H",
        "P1D"
      ]
    },
    "completion_max": {
      "type": "string",
      "description": "ISO 8601 completion bound: mutation applied, proposal finalized, or seller-managed decision resolved. Elapsed action SLAs start at buyer issuance. Review SLAs start at seller receipt and complete at an approved or rejected decision.",
      "pattern": "^P(?!$)(\\d+Y)?(\\d+M)?(\\d+D)?(T(\\d+H)?(\\d+M)?(\\d+S)?)?$",
      "examples": [
        "PT1H",
        "PT24H",
        "P2D"
      ]
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "clock": {
            "const": "business"
          }
        },
        "required": [
          "clock"
        ]
      },
      "then": {
        "required": [
          "business_calendar_id"
        ],
        "properties": {
          "response_max": {
            "pattern": "^P(?!$)(?:[0-9]+D)?(?:T(?=[0-9])(?:[0-9]+H)?(?:[0-9]+M)?(?:[0-9]+S)?)?$"
          },
          "completion_max": {
            "pattern": "^P(?!$)(?:[0-9]+D)?(?:T(?=[0-9])(?:[0-9]+H)?(?:[0-9]+M)?(?:[0-9]+S)?)?$"
          }
        }
      },
      "else": {
        "not": {
          "required": [
            "business_calendar_id"
          ]
        }
      }
    }
  ],
  "additionalProperties": false,
  "x-adcp-validation": {
    "verifier_constraints": {
      "calendar_reference": "A business_calendar_id resolves to exactly one immutable get_adcp_capabilities.business_calendars declaration whose coverage includes receipt and the computed deadline. Invalid or unresolved calendars never fall back to elapsed time.",
      "request_snapshot": "Pending requests retain the SLA and calendar resolved at receipt. Maxima are independent upper bounds; a completion maximum shorter than the response maximum does not invalidate either commitment."
    }
  }
}