input PairingDeviceInput {
  id: String!                 # remote device id (from discovery)
  name: String!               # remote display name
  ips: [String!]              # known IP addresses
  port: Int!                  # remote HTTP port
  deviceType: DeviceType!     # PHONE | TABLET | DESKTOP | WEB | ...
  version: String!
  platform: String!
  lastSeen: String!           # ISO 8601
  discoveryMethods: [String!] # LAN | AWARE | BLE | ...
}

input PairingRequestInput {
  fromId: String!
  fromName: String!
  port: Int!
  deviceType: DeviceType!
  ecdhPublicKey: String!      # base64 ECDH public key for key exchange
  signaturePublicKey: String! # base64 Ed25519 signing key
  timestamp: Long!            # request creation time (millis)
  ips: [String!]
  signature: String           # signature over the request body
  fromIp: String
  isQrInitiated: Boolean      # true when triggered by QR scan
  awareSupported: Boolean     # remote supports Wi-Fi Aware
}

enum DeviceType { PHONE TABLET DESKTOP WEB OTHER }