You are given a data file in /app/. Examine the data, identify the type of measurement and sample, and fit…

You are given a data file in /app/. Examine the data, identify the type of measurement and sample, and fit…: a task in Task Alignment Bench (TAB) (Harbor dataset). The JSON should have top-level keys "G" and "2D", each containing the fitted parameters (x0, gamma, amplitude, offset) for that peak.