{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:middleware-channel-host-capability-call:v1",
  "title": "Middleware Channel Host Capability Call v1",
  "description": "Module-authored request body for invoking one host-authorized capability through an authenticated channel session.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema", "schema/v", "capability/id", "request/schema", "request"],
  "properties": {
    "schema": {"const": "middleware-channel-host-capability-call.v1"},
    "schema/v": {"const": 1},
    "capability/id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[a-z0-9][a-z0-9._/-]*$"
    },
    "request/schema": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[a-z0-9][a-z0-9._-]*$"
    },
    "request": {"type": "object"},
    "idempotency/key": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:/-]*$"
    }
  },
  "x-dia-basis": [
    "orbidocs:doc/project/40-proposals/080-multiplexed-middleware-channel-executor.md"
  ]
}