I fanned a design-token sweep out to parallel Claude Code subagents : roughly 317 hardcoded hex colors scattered across an app's screens and components, all to be replaced with tokens from a central theme file. Each agent got a slice of files and reported back when done. The reports came in clean. The grep afterward disagreed. Some slices were untouched, and the agents responsible had said nothing, because they no longer existed to say anything. That sweep, and the surrounding sessions, taugh...