{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:package-capability-invoke:v1",
  "title": "Package Capability Invoke v1",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/093-package-scoped-private-capabilities.md"
  ],
  "description": "One local invocation of a package capability (P093 §11, R13). `use-binding/ref` may name the approved use the caller acts under; the host attests the caller from its own session and records and never from this field. The request fingerprint covers `capability/id`, `contract/digest`, `issued-at`, `deadline` and `input`.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "schema/v",
    "capability/id",
    "contract/digest",
    "invocation/id",
    "issued-at",
    "deadline",
    "input"
  ],
  "properties": {
    "schema": {
      "const": "package-capability-invoke.v1"
    },
    "schema/v": {
      "const": 1
    },
    "capability/id": {
      "$ref": "#/$defs/capability-id"
    },
    "contract/digest": {
      "$ref": "#/$defs/digest"
    },
    "invocation/id": {
      "$ref": "#/$defs/invocation-id"
    },
    "issued-at": {
      "$ref": "#/$defs/timestamp"
    },
    "deadline": {
      "$ref": "#/$defs/timestamp"
    },
    "use-binding/ref": {
      "$ref": "#/$defs/ref"
    },
    "input": {
      "description": "Validated by the host against the contract's input schema before the admission point."
    }
  },
  "$defs": {
    "capability-id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 512,
      "pattern": "^[a-z0-9][a-z0-9._-]*@(pkg|node-pkg|peer-pkg):did:key:z[1-9A-HJ-NP-Za-km-z]+/[a-z0-9][a-z0-9._-]*$",
      "description": "A package capability identifier (P093 §2); the host parses it with the one grammar."
    },
    "digest": {
      "type": "string",
      "pattern": "^sha256:[A-Za-z0-9_-]{43}$"
    },
    "invocation-id": {
      "type": "string",
      "maxLength": 128,
      "pattern": "^package-invocation:[A-Za-z0-9._-]+$"
    },
    "timestamp": {
      "type": "string",
      "minLength": 20,
      "maxLength": 40,
      "format": "date-time"
    },
    "ref": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "pattern": "^[^\\s]+$"
    }
  }
}