{
  "source": "JavaScript expression returning {start(api), update(api,dt)}. No imports or TypeScript. Worker watchdog 1500ms. Imported project scripts are TRUSTED code; Worker is responsiveness isolation, not a security sandbox.",
  "api": {
    "state": "Persistent per-instance mutable data during one play run",
    "params": "Field defaults + component.script.params",
    "input": "{x,z,attack,pointer,aim,jump,dash,sprint,jumpPressed,dashPressed,resetPressed,yaw,pitch}; yaw=0 faces -Z in first person",
    "get": "api.get(id?) -> clone of entity or null",
    "entities": "api.entities() -> clones of entity states",
    "position": "api.position(id?) -> local coordinates",
    "move": "api.move([dx,dy,dz]); real collisions for kinematic body",
    "physics": "api.physics(id?) -> {grounded,velocity:{x,y,z},contacts:[{entityId,normal:[x,y,z]}]}",
    "velocity": "api.velocity({x?,y?,z?,gravityScale?}); persistent m/s, requires character component; gravity runs at 60 Hz",
    "teleport": "api.teleport([x,y,z],yaw?); clears velocity and contacts for character respawn",
    "emit": "api.emit(name,data?); delivers a presentation event to runtime callbacks",
    "rotate": "api.rotate(yRadians)",
    "patch": "api.patch(id,patch); updates state/transform/enabled. Structural mesh/collider edits take effect next Play.",
    "animate": "api.animate(clipOrState,loop=true); use false for a one-shot animation",
    "effect": "api.effect(\"swing\"|\"hit\",id?)",
    "spawn": "api.spawn(prefabAssetId,position); behaviors start on spawned instances",
    "destroy": "api.destroy(id?); disables entity+collider",
    "scene": "api.scene(sceneId); starts another scene",
    "log": "api.log(text)"
  },
  "example": "({ update(api, dt) { const n = api.get(); api.rotate(n.transform.rotation[1] + api.params.speed * dt); } })"
}