- I made something similar: https://multi-launch.leftium.com/
- After realizing I made the "button version" of search bangs I started: https://zz.leftium.com/
The UX for composing multiline queries is nicer in my apps (especially with AI Chat like CoPilot):
- ENTER is newline by default (SHIFT+ENTER to submit. Or double ENTER; careful not to add newlines too quickly; I have to tune the double keypress UX)
- Auto-expands to multiple lines
- Fullscreen edit mode