A retrieval-augmented generation pipeline in Python with a rigorous offline evaluation harness. Chunks and embeds documents, retrieves by vector similarity, and generates grounded answers — with pluggable LLM providers (including a deterministic local fake for tests) and metrics for retrieval quality and answer faithfulness. No API key required.

A streaming, incremental data parser in Rust that processes arbitrarily large inputs in bounded memory. Parses newline-delimited and record-structured formats from any byte stream, emitting events as data arrives without buffering the whole input — with a zero-copy tokenizer, pluggable format grammars, and a push-based parser core.

Semantic diff tool for KCL (Zoo's CAD language) — parses two .kcl files with Zoo's own kcl-lib and reports structural changes to parameters, sketches, and pipelines, with an optional live 3D preview. Rust → Next.js frontend.