Economics & Origins
Costs, token caching, the XKCD automation math, how the system evolved from August 2025, and where to start if you're building your own.
Pi. The harness this runs on.
How It Evolved. From copy-paste to multi-agent, Aug 2025 to now.
The Economics. Costs, model choices, tuition not overhead.
Token Caching. Cache reads at 1/10th the cost.
The XKCD Math. Is it worth automating?
Where to Start. You don't need all of this.
Claude Code Hooks and Session Memory. The precursor: building session memory with Claude Code hooks before bosun existed.