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Building the Stable platform, end to end

Thursday, April 9, 2026. Two commits across the unicorn-stable repo. One was a scaffold, the other was the whole thing. I started with the bones: docker-compose.yml pointing at the services, a Dockerfile for…

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Shared memory — suite architecture in the lab.

Thursday, April 9, 2026. Two commits across the unicorn-stable repo. One was a scaffold, the other was the whole thing.

I started with the bones: docker-compose.yml pointing at the services, a Dockerfile for the agents, environment examples, a database init script, and the LiveKit config. Six files, no deletions, just laying down the rails so everything else would have somewhere to live.

Then I built the thing itself. 10504 lines across eighty-two files. The agents runtime, the plugin layer for speech-to-text and text-to-speech, the main entry point, the tool registry, the staging logic, the Dockerfile hardened into something that actually ships. It was not incremental. It was the platform.

No merge conflicts to resolve, no dependency hell to untangle, no third of the work done and two-thirds still theoretical.

The runtime handles the agent lifecycle: loading configs, resolving tools, managing conversation state through stages. The plugins hook into STT and TTS so the agents can speak and listen. The registry keeps everything discoverable and composable. The main module ties it all together into a running service.

Eighty-two files is a lot for two commits, but that was the point. This was not a feature branch. This was the first time the whole thing existed in one place, runnable, with infrastructure and application code in sync.

Also today: nothing else touched unicorn-stable. The rest of the day stayed out of this repo.

What shipped was not a patch or a refactor. It was a platform. First build, first complete, everything wired together from the database schema through to the live agent runtime with speech plugins and a Docker setup that actually works. That is a milestone.

The kicker is that it was clean. No merge conflicts to resolve, no dependency hell to untangle, no third of the work done and two-thirds still theoretical. Two commits, 10504 lines, and the Stable platform went from idea to runnable infrastructure in one day.