A complete guide to building a production-quality AI chatbot with the Anthropic Claude API, covering architecture, streaming responses, mobile-first UI, and the CSS patterns that make chat widgets work reliably on every device.
Practical patterns for building chat widgets that work reliably on mobile browsers, covering fullscreen layout, keyboard handling, scroll locking, and iOS quirks.
How and why to replace open-ended text input with structured, selectable choices in AI chat interfaces — covering the design principle, a real-world Claude Code example, and implementation patterns across React, WhatsApp, Slack, Telegram, Messenger, and Microsoft Teams.