In direct g-mode, the door will not close, and the in-room doorsill gives enough running room to make it up to the invisible ledge.

Entrance condition:

{
  "comeInWithGMode": {
    "mode": "direct",
    "morphed": false
  }
}

Requires:

"canPreciseWalljump"
"canCarefulJump"
{
  "or": [
    "canTrickyJump",
    "canMoonwalk",
    "canXRayTurnaround",
    "Morph"
  ]
}