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

src/app/runtime/actions/mod.rs

@@ -9,9 +9,8 @@ use crate::app::state::runtime::TurnEvent;
 use crate::app::state::types::{Origin, Overlay, Toast, ToastKind};
 use crate::dto::chat::message::{ChatMessage, Role};
 
-const MAX_TOOL_ONLY_TURNS: usize = 1000;
-
-const MAX_AGENT_STEPS: usize = 1000;
+const MAX_TOOL_ONLY_TURNS: usize = usize::MAX;
+const MAX_AGENT_STEPS: usize = usize::MAX;
 
 #[derive(Debug, Clone)]
 pub enum Action {

src/app/runtime/shortsend.rs

@@ -1,6 +1,6 @@
 use crate::dto::chat::message::ChatMessage;
 
-const MAX_WIRE_TOKENS: usize = 8000;
+const MAX_WIRE_TOKENS: usize = 2_000_000;
 const MIN_MESSAGES_BEFORE_SHAPE: usize = 20;
 const ENGAGE_HYSTERESIS: usize = 5;
 

src/app/subagent/engine.rs

@@ -5,7 +5,7 @@ use crate::tool::{all_tools, tool_defs, tool_is_risky};
 use super::context::SubagentContext;
 use super::event::SubagentEvent;
 
-pub const MAX_AGENT_STEPS: usize = 25;
+pub const MAX_AGENT_STEPS: usize = usize::MAX;
 
 /// Maps a subagent's allowed tool names to concrete Tool trait objects and
 /// OpenAI-style tool definitions.  When `allowed_tools` is empty every tool is

src/app/workflow/engine.rs

@@ -49,7 +49,7 @@ fn spawn_single_agent(prompt: &str, findings_snapshot: Vec<String>) -> anyhow::R
     use crate::app::subagent::spawn::AgentDefinition;
 
     let def = AgentDefinition::new("workflow-agent".to_string(), "coder".to_string())
-        .with_max_steps(20);
+        .with_max_steps(usize::MAX);
     let mut ctx = build_subagent_context(def);
 
     let findings_section = if findings_snapshot.is_empty() {

src/model/agent_def/builtin.rs

@@ -17,7 +17,7 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "glob".to_string(),
                 "git_operator".to_string(),
             ]
-        ).with_max_steps(25),
+        ).with_max_steps(usize::MAX),
 
         AgentDefinition::new(
             "reviewer".to_string(),
@@ -32,7 +32,7 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "recall".to_string(),
                 "remember".to_string(),
             ]
-        ).with_max_steps(10),
+        ).with_max_steps(usize::MAX),
 
         AgentDefinition::new(
             "researcher".to_string(),
@@ -46,7 +46,7 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "glob".to_string(),
                 "search".to_string(),
             ]
-        ).with_max_steps(15),
+        ).with_max_steps(usize::MAX),
 
         AgentDefinition::new(
             "planner".to_string(),
@@ -60,6 +60,6 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "glob".to_string(),
                 "plan".to_string(),
             ]
-        ).with_max_steps(20),
+        ).with_max_steps(usize::MAX),
     ]
 }

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("")));
     }