Run and jump from the safe stair to just reach the door ledge. To avoid walljumping, use a full speed jump or jump from on top of the spikes (stairs or floor).

Requires:

"HiJump"
"SpeedBooster"
{
  "or": [
    {
      "and": [
        "canWalljump",
        {
          "or": [
            "canTrickyJump",
            {
              "spikeHits": 1
            }
          ]
        }
      ]
    },
    {
      "and": [
        "canTrickyDashJump",
        "h_canBackIntoCorner",
        "canInsaneJump"
      ]
    },
    {
      "and": [
        "canTrickyDashJump",
        {
          "spikeHits": 1
        }
      ]
    }
  ]
}