Exit condition:

"leaveWithSidePlatform": {
  "height": -4,
  "runway": {
    "length": 19,
    "openEnd": 2
  },
  "obstruction": [8, -4]
}

Unlocks doors:

{"types": ["ammo"], "requires": []}

Dev note: Max extra run speed $3.E with spin, or $3.F with an aim-down.