Composer has no voice dictation / mic input

[aasis21]

Problem

The composer has no microphone / voice-to-text affordance.

Why it matters

ChatGPT mobile and the GitHub Copilot app both support voice dictation; talking to your agent one-handed from your phone is a core mobile use case.

Reference

GitHub Copilot app voice dictation: https://docs.github.com/en/copilot/how-tos/github-copilot-app/agent-sessions

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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.