[Bug]: Multiline paste broken in REPL on Windows

[Alexx999]

Bug Description

In windows terminal, multi-line paste is treated as a "message per line" in the REPL.

This is actually an upstream bug: crossterm-rs/crossterm#737 and crossterm-rs/crossterm#962
Fixable by crossterm-rs/crossterm#1030

Steps to Reproduce

1. Open forge REPL on Windows
2. Paste multi line content

Expected Behavior

It's pasted as multi line

Actual Behavior

One message submission per pasted line

Forge Version

2.11.0

Operating System & Version

Win 11

AI Provider

None

Model

No response

Installation Method

Other

Configuration