feat: update maximum steps and token limits to usize::MAX; add split_spans_into_lines function for improved chat display

src/view/chat.rs

@@ -5,6 +5,31 @@ use ratatui::widgets::{Block, Borders, Paragraph, Wrap};
 use ratatui::Frame;
 use super::theme::Theme;
 
+fn split_spans_into_lines<'a>(spans: Vec<Span<'a>>) -> Vec<Line<'a>> {
+    let mut lines = Vec::new();
+    let mut current_spans = Vec::new();
+
+    for span in spans {
+        let text = span.content.as_ref();
+        let mut parts = text.split('\n').peekable();
+        while let Some(part) = parts.next() {
+            if !part.is_empty() {
+                current_spans.push(Span::styled(part.to_string(), span.style));
+            }
+            if parts.peek().is_some() {
+                lines.push(Line::from(std::mem::take(&mut current_spans)));
+            }
+        }
+    }
+    if !current_spans.is_empty() {
+        lines.push(Line::from(current_spans));
+    }
+    if lines.is_empty() {
+        lines.push(Line::from(vec![]));
+    }
+    lines
+}
+
 fn _role_name(role: &crate::dto::chat::message::Role) -> &'static str {
     match role {
         crate::dto::chat::message::Role::User => "User",
@@ -81,10 +106,12 @@ pub fn draw_chat(frame: &mut Frame, area: Rect, state: &crate::app::state::rest:
         };
         let mut content_spans = vec![Span::styled(format!("{} ", prefix), Style::default().fg(role_color))];
         content_spans.extend(super::markdown::render_markdown(&content_str, area.width));
-        let content_line = Line::from(content_spans);
+        let message_lines = split_spans_into_lines(content_spans);
 
         display_lines.push(header);
-        display_lines.push(content_line);
+        for line in message_lines {
+            display_lines.push(line);
+        }
         display_lines.push(Line::from(Span::raw("")));
     }