Source: https://subagentura.tech/blog/

# Building in the open.

Notes on the problems, mechanisms, and trade-offs behind the tools I build. Read the source, follow the decisions, and take what is useful.

## Latest notes.

Engineering stories by [lmn451](https://github.com/lmn451) . [Subscribe via RSS](https://subagentura.tech/blog/rss.xml) .

PI / AGENT INFRASTRUCTURE 27 October 2026

### [Why I built observable Pi subagents](https://subagentura.tech/blog/building-observable-subagents/)

What it takes to inspect, steer, and recover delegated work in Pi.

PI / DELEGATION 27 October 2026

### [Human-controlled delegation for Pi subagents](https://subagentura.tech/blog/human-controlled-agent-delegation/)

How prompts, model choices, and optional routing fit into a subagent workflow.

EDITOR / LANGUAGE TOOLS 27 October 2026

### [Building a CSS variable language server](https://subagentura.tech/blog/building-a-css-variable-language-server/)

Making custom-property definitions, references, and cascade context visible in the editor.

BROWSER / LOCAL CAPTURE 27 October 2026

### [How ScreenSilo keeps screen recordings local](https://subagentura.tech/blog/keeping-recordings-local/)

A closer look at capture, browser storage, WebM export, and the limits of local recording.