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Compact single-line tool output for file operations and shell

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Implement compact display format for read_file, write_file, str_replace, and shell:

- read_file/write_file/str_replace: Single line with dimmed summary and timing
  Format: ● tool_name | path [range] | summary | tokens ◉ time

- shell: Two-line format with command header and dimmed output
  Format: ● shell | command
          └─ output (N lines) | tokens ◉ time

Changes:
- Add print_tool_compact() method to UiWriter trait
- Add is_shell_compact state tracking in ConsoleUiWriter
- Add format_write_file_summary() and format_str_replace_summary() helpers
- Fix duplicate response output by checking if response is empty before printing
- Add finish_streaming_markdown() call before return to flush markdown buffer
This commit is contained in:
Dhanji R. Prasanna
2026-01-12 14:37:47 +05:30
parent 8d5dd9f84a
commit 2c411c058a
7 changed files with 242 additions and 26 deletions
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78
crates/g3-core/src/lib.rs
View File

@@ -2142,7 +2142,14 @@ impl<W: UiWriter> Agent<W> {
self.ui_writer.print_tool_arg(key, &value_str);
}
}
self.ui_writer.print_tool_output_header();
// 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");
// Only print output header for non-compact tools
if !is_compact_tool {
self.ui_writer.print_tool_output_header();
}
// Clone working_dir to avoid borrow checker issues
let working_dir = self.working_dir.clone();
@@ -2172,7 +2179,7 @@ impl<W: UiWriter> Agent<W> {
));
// Display tool execution result with proper indentation
{
let compact_summary = {
let output_lines: Vec<&str> = tool_result.lines().collect();
// Check if UI wants full output (machine mode) or truncated (human mode)
@@ -2186,14 +2193,26 @@ impl<W: UiWriter> Agent<W> {
let is_todo_tool =
tool_call.tool == "todo_read" || tool_call.tool == "todo_write";
// For read_file, show a summary instead of file contents
let is_read_file = tool_call.tool == "read_file";
if is_read_file && tool_success {
let summary = streaming::format_read_file_summary(output_len, tool_result.len());
self.ui_writer.update_tool_output_line(&summary);
if is_compact_tool && tool_success {
// Generate appropriate summary based on tool type
match tool_call.tool.as_str() {
"read_file" => Some(streaming::format_read_file_summary(output_len, tool_result.len())),
"write_file" => {
// Parse the result to get line/char counts
// Result format: "✅ +N insertions | -M deletions" or similar
Some(streaming::format_write_file_summary(output_len, tool_result.len()))
}
"str_replace" => {
// Parse insertions/deletions from result
// Result format: "✅ +N insertions | -M deletions"
let (ins, del) = parse_diff_stats(&tool_result);
Some(streaming::format_str_replace_summary(ins, del))
}
_ => Some(streaming::format_read_file_summary(output_len, tool_result.len()))
}
} else if is_todo_tool {
// Skip - todo tools print their own content
None
} else {
let max_lines_to_show = if wants_full { output_len } else { MAX_LINES };
@@ -2208,8 +2227,9 @@ impl<W: UiWriter> Agent<W> {
if !wants_full && output_len > MAX_LINES {
self.ui_writer.print_tool_output_summary(output_len);
}
None
}
}
};
// Add the tool call and result to the context window using RAW unfiltered content
// This ensures the log file contains the true raw content including JSON tool calls
@@ -2272,10 +2292,22 @@ impl<W: UiWriter> Agent<W> {
// Closure marker with timing
let tokens_delta = self.context_window.used_tokens.saturating_sub(tokens_before);
self.ui_writer
.print_tool_timing(&streaming::format_duration(exec_duration),
// 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();
// Update the request with the new context for next iteration
@@ -2751,6 +2783,9 @@ impl<W: UiWriter> Agent<W> {
full_response
};
// Finish streaming markdown before returning
self.ui_writer.finish_streaming_markdown();
// Dehydrate context - the function extracts the summary from context itself
self.dehydrate_context();
@@ -2863,6 +2898,25 @@ impl<W: UiWriter> Agent<W> {
pub use utils::apply_unified_diff_to_string;
use utils::truncate_to_word_boundary;
/// Parse insertions and deletions from a str_replace result.
/// Result format: "✅ +N insertions | -M deletions"
fn parse_diff_stats(result: &str) -> (i32, i32) {
let mut insertions = 0i32;
let mut deletions = 0i32;
// Look for "+N insertions" pattern
if let Some(pos) = result.find("+") {
let after_plus = &result[pos + 1..];
insertions = after_plus.split_whitespace().next().and_then(|s| s.parse().ok()).unwrap_or(0);
}
// Look for "-M deletions" pattern
if let Some(pos) = result.find("-") {
let after_minus = &result[pos + 1..];
deletions = after_minus.split_whitespace().next().and_then(|s| s.parse().ok()).unwrap_or(0);
}
(insertions, deletions)
}
// Implement Drop to clean up safaridriver process
impl<W: UiWriter> Drop for Agent<W> {
fn drop(&mut self) {