Overnight: Turn Linear Issues Into Pull Requests

Terminal agents got surprisingly good this year. Anthropic's Claude Code launched in February, OpenAI's Codex CLI got much better in August with gpt-5(thinking-high) and again in September with gpt-5-codex(high). We've been delegating bug fixes, UI features, backend updates, comprehensive testing, and even larger architectural changes to these agents at Emotion Machine. It works. The shift from vibe coding to what Simon Willison calls vibe engineering means we can finally incorporate actual soft