OFFICINA / VEILFIELD TOOL 03
Masking / reversibility / streaming
Follow a value through the boundary.
Mask a fictional support ticket, edit a simulated reply, then watch the original values return even when a surrogate crosses chunk boundaries.
Runs in this browser. Selected files and text stay in this tab. The first visit downloads Python from jsDelivr. Methods & limits
Clears inputs, results, downloads and the Python worker.