The 237KB library was mounted at /workspace/best-practices/ in every
consuming ConfigMap but nothing in the prompt mentioned it (directory
targets never enter the context manifest). New ~90-word CLAUDE.md file
target enters the system prompt: points at INDEX.md, instructs reading
only task-relevant topics.
Claude-Session: https://claude.ac/code/session_012arAwUuBQrpnMzJ36mEVBk
