Problem
Message rows have no long-press gesture. On mobile, long-press → action sheet (Copy, Share, Quote) is the standard way to act on a message.
Reference
ChatGPT mobile long-press action sheet.
Filed from a UI research sweep of the Helm mobile app (landing + live demo session) using Playwright + full source review, cross-referenced against Claude, ChatGPT, GitHub Copilot Chat, and Codex/Claude Code UIs.
Problem
Message rows have no long-press gesture. On mobile, long-press → action sheet (Copy, Share, Quote) is the standard way to act on a message.
Reference
ChatGPT mobile long-press action sheet.
Filed from a UI research sweep of the Helm mobile app (landing + live demo session) using Playwright + full source review, cross-referenced against Claude, ChatGPT, GitHub Copilot Chat, and Codex/Claude Code UIs.