on being mad within reason
React grid system – constraint-based responsive grid with no CSS and no media queries
Constraint based CSS in JS for building scalable design systems
Loop-Time Intelligence Layer for AI coding agents — per-iteration prompt compiler with structured memory, constraint inheritance, and drift correction.
Fast TypeScript schema validation with rich inline-compiled constraints, zero-allocation hot path, Standard Schema and JSON Schema export — a Zod/ArkType/TypeBox alternative for Node, Bun & the browser.
SWAN L4 is a domain-specific language (DSL) parser, tokenizer, and semantic validator designed for orchestrating agentic workflows. It supports indentation-based scoping, sequence constraints, custom macro calls, and localized diagnostics.
Structured output generation for LLMs in Node.js — token-level constraints for local models, native JSON modes for cloud APIs