Entrance condition:

{
  "comeInShinecharging": {
    "length": 3,
    "openEnd": 0
  }
}

Requires:

{
  "heatFrames": 60
}
{
  "shinespark": {
    "frames": 17,
    "excessFrames": 0
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

{"types":["super"],"requires":[]}
{"types":["missiles","powerbomb"],"requires":["never"]}

Dev note: This strat is probably only useful if shinesparks are modified to not cost energy.