When a worker thread completes a task, it doesn't return a sprawling transcript of every failed attempt; it returns a compressed summary of the successful tool calls and conclusions.

With its giant Lucas QK596 headlights, long wings and 14-gallon Le Mans slab fuel tank, the SS100 is almost a caricature of a 1930s sports car. Stylishly cut-away doors, the rear-mounted spare and a ...