Separate Plausible Environments from LLM Task Distributions

Series: Building Auditable LLM Systems · Part 4 of 11 Separate scenario design for an LLM decision system into two layers. The first layer generates worlds that satisfy the physical, operational, and lifecycle constraints of the domain. The second layer organizes those worlds into named task families that define what the model should learn, where it should be tested, and which claims the evaluation can support. These layers answer different questions: ...

July 17, 2026 · 4 min · Yuchen Du
Sidewalk network overview and pedestrian-aware route changes for the sdr-sidewalk-sim showcase

sdr-sidewalk-sim: Pedestrian-Aware Sidewalk Delivery Robot Simulator

A sidewalk delivery robot simulator that connects OpenStreetMap walk graphs, pedestrian-aware routing costs, dynamic request release, solver-visible snapshots, and replayable visualization artifacts.

June 10, 2026 · 3 min · Yuchen Du