Published Throughline to npm: A hook to offload Claude Code tool I/O to SQLite

I have published a hook plugin for Claude Code called Throughline to npm. What it does In a Claude Code session, the majority of the context is filled with the remnants of "tool I/O." The contents of read files, grep results, and Bash output—data that served its purpose the moment the AI read it, made a decision, and moved on. However, it stays in the context until the end, consuming tokens. Throughline manages the conversation in three layers. Layer Content Context Injection...