[Feature Request]chat input template(first view)

## Describe the solution you'd like

We would like to reduce the man-hours required for input by displaying in advance the canned text to be included in the chat.

Like this

A clear and concise description of what you want to happen.

## Why the solution needed

A clear and concise description of the reason why you want the solution.

## Additional context

Add any other context or screenshots about the feature request here.

## Implementation feasibility

Are you willing to discuss the solution with us, decide on the approach, and assist with the implementation?

- [x] Yes
- [ ] No

No files or tests are named. Start by locating the chat input component and reviewing the linked screenshot and existing first-view behavior; done means the canned text is displayed in advance in the chat input as requested.

Written by the indexing model from the issue text.