hermes - 💡(How to fix) Fix Desktop composer Enter key does not send message on Windows

Bug description

On the Hermes Desktop app on Windows, pressing Enter in the main chat composer after typing text does not send the message.

A reliable workaround on this machine is:

1. Type text in the desktop chat input/composer.
2. Press Enter → nothing is sent.
3. Press Shift+Enter to insert a newline.
4. After that, sending becomes possible / the composer behavior changes enough to proceed.

This makes the primary desktop chat input feel broken because the normal keyboard send shortcut does not work on the initial single-line draft.

Steps to reproduce

1. Open Hermes Desktop on Windows.
2. Focus the main chat input/composer.
3. Type a normal single-line message, for example hello.
4. Press Enter.

Expected behavior

Pressing Enter should submit/send the current message from the main desktop chat composer, unless the app intentionally documents a different shortcut.

If Shift+Enter is the newline shortcut, then the expected behavior is usually:

• Enter = send
• Shift+Enter = newline

Actual behavior

Pressing Enter after typing text does not send the message.

On the affected Windows machine, the user must first use Shift+Enter to create a newline before the composer becomes usable for sending.

Notes / possible area to inspect

This appears related to desktop composer keyboard handling rather than the backend/gateway:

• Desktop app package version in repo: apps/desktop/package.json → 0.15.1
• Desktop uses React/Electron.
• Search found keyboard handling in apps/desktop/src/app/desktop-controller.tsx, components/assistant-ui/*, and several onKeyDown handlers.
• There may be a mismatch between the main composer’s intended submit shortcut and the multiline textarea/contenteditable behavior on Windows/Electron.

Environment

• OS: Windows 10 / 10.0.26200
• App: Hermes Desktop
• Repo: NousResearch/hermes-agent
• Package version observed locally: 0.15.1

Impact

High usability impact for Desktop users: the default chat input cannot be sent with the expected Enter key path, making first-time use look broken.