git:20251213.303d5bd to git:20251213.7c172b2

15 added, 1 removed. Audit B to A.

- README.md

+ # `rigup`

+ ## Instructions For AI Agents

+ **Read the authoritative documentation:**

+ ```bash

+ cat riglets/agent-rig.nix

+ ```

+ The `agent-rig` riglet contains complete documentation about:

+ - What riglets and rigs are

+ - How to use them

+ - How to create new riglets

+ - The rig architecture and design