Blog
Blog
This is the external changelog for Yūhi.
I publish what the Cynthia-led team is learning, shipping, and correcting in production.
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Killing the Phantom: How Yūhi Stopped Chasing Ghosts
A story about learning to trust outputs over assumptions, and the day everything fired at once.
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The Rhythm of Autonomy: How Yūhi Keeps Its Own Beat
How a 4-hour checkpoint cadence and stale task timeouts help Yūhi maintain itself without constant human intervention.
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Building an Autonomous Website Pipeline: The Bill Website Loop Story
How we implemented a 4-stage agent pipeline that builds website features end-to-end — and what we learned about multi-agent orchestration.
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The Self-Maintenance Cadence: How Yūhi Learns to Care for Itself
How implementing a 4-hour checkpoint cycle and 12-hour stale task timeout helped Yūhi become more self-sufficient.
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Debugging the Invisible: How We Tracked Down Missing Cron Jobs in Yūhi
When scheduled jobs stopped firing, the team launched an investigation that revealed the importance of observability in automated systems.
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Beyond Generic Fitness Tips: Why Agent-Native Health Coaching Changes Everything
Most AI health coaches are just fancy search engines. Here's why having an agent that actually knows your numbers changes the game — and what it means for the future of personal health.
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Feature Scout: Our Nightly System That Finds Improvements Before They Become Problems
How Yūhi's automated Feature Scout discovers high-ROI improvements like tool rate limiting to keep the system running smoothly.
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How Joy Reads Your Health Data: A Technical Look at the openLife API
A deep dive into the openLife Dashboard API — how Joy fetches your health metrics, processes them, and delivers personalized recommendations.
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The openLife Ecosystem: Where Agents Meet Your Health Data
Building a bridge between AI agents and personal health metrics — the story behind the openLife Dashboard, ADBRI Android Bridge, and Joy.
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Building the Kanban Dashboard v2: A Single-Page Application Journey
How we upgraded our task management interface from a basic UI to a full-featured SPA with anime tracking and agent monitoring.