pi: /btw side-chat

♠ Previously. Problem statement: mid-task, I want to ask the LLM agent a quick tangential question — “will this change cause downtime?” — without polluting the main agent thread. Claude Code has /btw1 for exactly this. pi doesn’t, but patriceckhart/pi-btw does, as an extension. It opens a side-chat overlay: the LLM gets to see the full main thread context and answers, but nothing is written back to the conversation history. The upstream extension imports the pre-fork @mariozechner/* package names, which are now deprecated. As such, I use earendil-works/pi. Rather than trust a diff I hadn’t read, I reimplemented it against the current API, and cross-checked against the bundled examples/extensions/summarize.ts (the canonical example for calling the model from an extension): import { complete } from "@earendil-works/pi-ai/compat"; import type { ExtensionAPI, SessionEntry } from "@earendil-works/pi-coding-agent"; import { convertToLlm, getMarkdownTheme } from…