Function plan_ios_simulator 

pub fn plan_ios_simulator(
    request: &IosSimulatorBuildRequest,
    toolchain: &AppleToolchain,
) -> Result<IosBuildPlan, AppleError>

Produce a deterministic, side-effect-free command plan using an already selected toolchain.

Errors

Returns AppleError when request/config values are invalid or cannot be represented safely in Cargo, plist, or Xcode inputs.