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feat: add compact styled output for TODO tools

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TODO tools (todo_read, todo_write) now display with a cleaner, more
compact format:

- Styled header: " ● todo_read" or " ● todo_write"
- Tree-style prefixes for content lines (│ and └)
- Checkbox conversion: "- [ ]" → □, "- [x]" → ■
- Dimmed content for visual distinction
- No timing footer (cleaner output)

Changes:
- Add print_todo_compact() method to UiWriter trait
- Implement print_todo_compact() in ConsoleUiWriter
- Update todo.rs to call print_todo_compact() instead of line-by-line output
- Skip tool header, output header, and timing for TODO tools in agent streaming
This commit is contained in:
Dhanji R. Prasanna
2026-01-13 10:58:55 +05:30
parent 4c36cc058c
commit 8dcb7a3dba
4 changed files with 92 additions and 31 deletions
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51
crates/g3-cli/src/ui_writer_impl.rs
View File

@@ -437,6 +437,57 @@ impl UiWriter for ConsoleUiWriter {
true
}
fn print_todo_compact(&self, content: Option<&str>, is_write: bool) -> bool {
let tool_name = if is_write { "todo_write" } else { "todo_read" };
let is_agent_mode = *self.is_agent_mode.lock().unwrap();
let tool_color = if is_agent_mode { "\x1b[38;5;250m" } else { "\x1b[32m" };
// Add blank line if last output was text (for visual separation)
let mut last_was_text = self.last_output_was_text.lock().unwrap();
if *last_was_text {
println!();
}
*last_was_text = false;
*self.last_output_was_tool.lock().unwrap() = true;
// Reset read_file continuation tracking
*self.last_read_file_path.lock().unwrap() = None;
match content {
None => {
// Empty TODO
println!(" \x1b[2m●\x1b[0m {}{}\x1b[0m \x1b[2m|\x1b[0m \x1b[35mempty\x1b[0m", tool_color, tool_name);
}
Some(text) => {
// Header
println!(" \x1b[2m●\x1b[0m {}{}\x1b[0m", tool_color, tool_name);
let lines: Vec<&str> = text.lines().collect();
let last_idx = lines.len().saturating_sub(1);
for (i, line) in lines.iter().enumerate() {
let is_last = i == last_idx;
let prefix = if is_last { "└" } else { "│" };
// Convert checkboxes to styled symbols
let styled_line = line
.replace("- [x]", "■")
.replace("- [X]", "■")
.replace("- [ ]", "□");
// Dim the line content
println!(" \x1b[2m{} {}\x1b[0m", prefix, styled_line);
}
// Add blank line after content for readability
println!();
}
}
// Clear tool state
self.clear_tool_state();
true
}
fn print_tool_timing(&self, duration_str: &str, tokens_delta: u32, context_percentage: f32) {
let color_code = duration_color(duration_str);

40
crates/g3-core/src/lib.rs
View File

@@ -88,7 +88,7 @@ pub enum StreamState {
// Re-export StreamingToolParser from its own module
pub use streaming_parser::StreamingToolParser;
pub use streaming_parser::{StreamingToolParser, sanitize_inline_tool_patterns, LBRACE_HOMOGLYPH};
pub struct Agent<W: UiWriter> {
providers: ProviderRegistry,
@@ -2131,7 +2131,11 @@ impl<W: UiWriter> Agent<W> {
// Finish streaming markdown before showing tool output
self.ui_writer.finish_streaming_markdown();
// Tool call header
// Check if this is a TODO tool (they handle their own output)
let is_todo_tool = tool_call.tool == "todo_read" || tool_call.tool == "todo_write";
// Tool call header (skip for TODO tools - they print their own compact header)
if !is_todo_tool {
self.ui_writer.print_tool_header(&tool_call.tool, Some(&tool_call.args));
if let Some(args_obj) = tool_call.args.as_object() {
for (key, value) in args_obj {
@@ -2143,12 +2147,13 @@ impl<W: UiWriter> Agent<W> {
self.ui_writer.print_tool_arg(key, &value_str);
}
}
}
// Check if this is a compact tool (file operations)
let is_compact_tool = matches!(tool_call.tool.as_str(), "read_file" | "write_file" | "str_replace" | "remember" | "take_screenshot" | "code_coverage" | "rehydrate");
// Only print output header for non-compact tools
if !is_compact_tool {
if !is_compact_tool && !is_todo_tool {
self.ui_writer.print_tool_output_header();
}
@@ -2316,20 +2321,23 @@ impl<W: UiWriter> Agent<W> {
// Closure marker with timing
let tokens_delta = self.context_window.used_tokens.saturating_sub(tokens_before);
// Use compact format for file operations, normal format for others
if let Some(summary) = compact_summary {
self.ui_writer.print_tool_compact(
&tool_call.tool,
&summary,
&streaming::format_duration(exec_duration),
tokens_delta,
self.context_window.percentage_used(),
);
} else {
self.ui_writer
.print_tool_timing(&streaming::format_duration(exec_duration),
// TODO tools handle their own output via print_todo_compact, skip timing
if !is_todo_tool {
// Use compact format for file operations, normal format for others
if let Some(summary) = compact_summary {
self.ui_writer.print_tool_compact(
&tool_call.tool,
&summary,
&streaming::format_duration(exec_duration),
tokens_delta,
self.context_window.percentage_used());
self.context_window.percentage_used(),
);
} else {
self.ui_writer
.print_tool_timing(&streaming::format_duration(exec_duration),
tokens_delta,
self.context_window.percentage_used());
}
}
self.ui_writer.print_agent_prompt();

23
crates/g3-core/src/tools/todo.rs
View File

@@ -23,6 +23,7 @@ pub async fn execute_todo_read<W: UiWriter>(
// Also update in-memory content to stay in sync
let mut todo = ctx.todo_content.write().await;
*todo = String::new();
ctx.ui_writer.print_todo_compact(None, false);
return Ok("📝 TODO list is empty (no todo.g3.md file found)".to_string());
}
@@ -42,11 +43,10 @@ pub async fn execute_todo_read<W: UiWriter>(
}
if content.trim().is_empty() {
ctx.ui_writer.print_todo_compact(None, false);
Ok("📝 TODO list is empty".to_string())
} else {
for line in content.lines() {
ctx.ui_writer.print_tool_output_line(line);
}
ctx.ui_writer.print_todo_compact(Some(&content), false);
Ok(format!("📝 TODO list:\n{}", content))
}
}
@@ -98,14 +98,10 @@ pub async fn execute_todo_write<W: UiWriter>(
Ok(_) => {
let mut todo = ctx.todo_content.write().await;
*todo = String::new();
// Show the final completed TODOs before deletion
let mut result =
String::from("✅ All TODOs completed! Removed todo.g3.md\n\nFinal status:\n");
for line in content_str.lines() {
ctx.ui_writer.print_tool_output_line(line);
result.push_str(line);
result.push('\n');
}
// Show the final completed TODOs
ctx.ui_writer.print_todo_compact(Some(content_str), true);
let mut result = String::from("✅ All TODOs completed! Removed todo.g3.md\n\nFinal status:\n");
result.push_str(content_str);
return Ok(result);
}
Err(e) => return Ok(format!("❌ Failed to remove todo.g3.md: {}", e)),
@@ -117,10 +113,7 @@ pub async fn execute_todo_write<W: UiWriter>(
// Also update in-memory content to stay in sync
let mut todo = ctx.todo_content.write().await;
*todo = content_str.to_string();
// Print the TODO content to the console (inside the tool frame)
for line in content_str.lines() {
ctx.ui_writer.print_tool_output_line(line);
}
ctx.ui_writer.print_todo_compact(Some(content_str), true);
Ok(format!(
"✅ TODO list updated ({} chars) and saved to todo.g3.md:\n{}",
char_count, content_str

9
crates/g3-core/src/ui_writer.rs
View File

@@ -46,6 +46,15 @@ pub trait UiWriter: Send + Sync {
false
}
/// Print a compact TODO tool output with styled content
/// Format: " ● todo_read" header, then styled content lines, no timing
/// content: None for empty, Some(content) for TODO content
/// is_write: true for todo_write, false for todo_read
/// Returns true if handled, false to fall back to normal format
fn print_todo_compact(&self, _content: Option<&str>, _is_write: bool) -> bool {
false
}
/// Print tool execution timing
fn print_tool_timing(&self, duration_str: &str, tokens_delta: u32, context_percentage: f32);