Definition of "seamlessly"

Imagine this: you walk into work and the camera above the doors scans your face, opening them seamlessly without you lifting a finger.

2019 May 21, Dylan Curran, “Facial recognition will soon be everywhere. Are we prepared?”, in The Guardian‎

To allow up to 250,000 passengers a day to move seamlessly between HS2, Elizabeth line and Great Western Main Line services, the station will have 53 lifts and 44 escalators across the 14 platforms.

2023 March 8, Chris Howe, “Building the platform for Old Oak Common's platforms”, in RAIL, number 978, page 60