{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:room-membership-attestation-request:v1",
  "title": "RoomMembershipAttestationRequest v1",
  "description": "Explicit POST request contract for asking a room authority projection to issue a short-lived membership attestation.",
  "type": "object",
  "additionalProperties": false,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": ["P070"],
  "required": [
    "schema/v",
    "request/mode",
    "requester/subject",
    "subject",
    "requested/grants",
    "authorization"
  ],
  "properties": {
    "schema/v": { "const": 1 },
    "request/mode": {
      "type": "string",
      "enum": ["invitee-first-join", "member-self", "authority-roster"]
    },
    "requester/subject": { "$ref": "room.v1.schema.json#/$defs/subject" },
    "subject": { "$ref": "room.v1.schema.json#/$defs/subject" },
    "requested/grants": {
      "type": "array",
      "uniqueItems": true,
      "items": { "$ref": "room.v1.schema.json#/$defs/grant" }
    },
    "ttl/seconds": {
      "type": "integer",
      "minimum": 1,
      "maximum": 900
    },
    "authorization": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "passport/ref", "room/id", "subject", "grants", "expires-at"],
      "properties": {
        "kind": {
          "type": "string",
          "enum": ["room-invitation", "room-scoped-passport"]
        },
        "passport/ref": {
          "type": "string",
          "minLength": 1,
          "maxLength": 512
        },
        "room/id": { "$ref": "room.v1.schema.json#/$defs/room_id" },
        "subject": { "$ref": "room.v1.schema.json#/$defs/subject" },
        "grants": {
          "type": "array",
          "uniqueItems": true,
          "items": { "$ref": "room.v1.schema.json#/$defs/grant" }
        },
        "expires-at": { "type": "string", "format": "date-time" }
      }
    },
    "extensions": { "$ref": "room.v1.schema.json#/$defs/extensions" }
  }
}