Feat: highlight user prompt to better UX

[dariuszkowalski-com]

User prompt and chooses should be better visible and have unique for them format and style ( eg. Font color, bg color)

Now, with extensive output produced by forge, it's very hard to find where our command was started.

It is even harder to go through the history of conversation, which many times is critical

[tusharmath]

Can you provide a screenshot of where you faced this problem?

[dariuszkowalski-com]

gray on white bg. in the dark theme contrast is similar.