Looking up symbols by filename instead of full path pulls every `index.ts` in the project into the agent's context. One line changed. 20 results down to 1.

Three properties of a Lego instruction set, mapped to an AI coding pipeline: why manifest quality matters more than builder quality.

Every field a Planner emits that the codebase already knows is a dice roll. Machine extraction replaces those dice rolls with deterministic lookups.