Circathym

BeaverHacks 2026

Stack

• Next.js 16 App Router
• React 19
• Tailwind CSS 4
• shadcn-style UI primitives
• OpenAI API via Next.js route handlers
• Browser localStorage for prototype sleep history
• WebAudio API for alarm tones

Architecture

• src/app/page.tsx dashboard, learned cycle state, alarm, RAG score
• src/logic/cyclePersonalization.js cycle length, confidence, debt, wake windows
• src/logic/sleepCycle.js RAG
• src/components/CycleComparisonCard.tsx learned model
• src/components/CycleRing/ render: analog clock, cycle cuts, RAG ticker
• src/app/api/coach/route.ts and src/app/api/insight/route.ts keep OpenAI calls server-side.