nabinkhair42

Audits and optimizes Next.js App Router APIs using measured request timing, cookie-first authentication, Server Component prefetching, PostgreSQL query tuning, Drizzle transaction patterns, caching, and durable background work. Use when API routes, server rendering, database queries, authentication, mutations, or loading UX are slow.

Embed AI features in Next.js product apps using Vercel AI SDK. Covers streaming chat, tool calling with Zod, rate limiting, and auth — integrated into the product-stack 9-layer architecture. Use when adding chat, copilots, AI search, or agent features to a SaaS product.

Structural Grid (Exposed Grid / Rail Layout) design system for modern SaaS landing pages. Use when building dark-themed marketing sites, landing pages, or SaaS product pages inspired by Linear, Vercel, Resend, and Planetscale. Provides CSS foundations, section patterns, component recipes, and responsive border logic for the visible-grid aesthetic.