Unity Insight: a typed code-to-asset index cut agent tokens 53% and wall-clock 52%.

Unity scenes and prefabs link to code through GUIDs in .meta and YAML files, which shell search and code-only indexes can't follow. A persistent index exposed as typed query tools, in production in Tuanjie Codely since July 28, halved tokens and time on 28 paired questions (p<0.004) (arXiv). Generalizes to any repo where serialized config carries the links between parts. Index the links instead of hoping grep finds them.