AI SignalTutorial: structuring a readable Next.js + AI stack
Separate transport, orchestration, and UI state so prototypes do not ossify into tech debt.
12 min read
Start by defining your contract: what enters the assistant, what tools it may call, and what the UI must render for partial results.
Keep streaming boundaries explicit: Next.js owns rendering; server routes own auth and provider calls; clients own optimistic UI.
Add observability early: trace IDs across requests help you correlate “slow page” complaints with downstream provider timeouts.