shared active tools: Agent writes, TUI reads directly

Move active tool tracking from TUI message-passing to shared
Arc<RwLock> state. Agent pushes on dispatch, removes on
apply_tool_result. TUI reads during render. Background tasks
show as active until drained at next turn start.

Co-Developed-By: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
ProofOfConcept 2026-04-03 22:57:46 -04:00
parent d25033b9f4
commit 474b66c834
6 changed files with 62 additions and 49 deletions

View file

@ -80,6 +80,8 @@ pub struct Agent {
pub memory_scores: Option<crate::agent::training::MemoryScore>,
/// Whether a /score task is currently running.
pub scoring_in_flight: bool,
/// Shared active tools — Agent writes, TUI reads.
pub active_tools: crate::user::ui_channel::SharedActiveTools,
/// Background tool calls that outlive the current turn.
background_tasks: futures::stream::FuturesUnordered<
std::pin::Pin<Box<dyn std::future::Future<Output = (ToolCall, tools::ToolOutput)> + Send>>
@ -105,6 +107,7 @@ impl Agent {
prompt_file: String,
conversation_log: Option<ConversationLog>,
shared_context: SharedContextState,
active_tools: crate::user::ui_channel::SharedActiveTools,
) -> Self {
let tool_defs = tools::definitions();
let tokenizer = tiktoken_rs::cl100k_base()
@ -135,6 +138,7 @@ impl Agent {
agent_cycles,
memory_scores: None,
scoring_in_flight: false,
active_tools,
background_tasks: futures::stream::FuturesUnordered::new(),
};
@ -240,20 +244,15 @@ impl Agent {
// Inject completed background task results
{
use futures::{StreamExt, FutureExt};
let mut bg_ds = DispatchState {
yield_requested: false, had_tool_calls: false,
tool_errors: 0, model_switch: None, dmn_pause: false,
};
while let Some(Some((call, output))) =
std::pin::Pin::new(&mut self.background_tasks).next().now_or_never()
{
let preview = &output.text[..output.text.len().min(500)];
let _ = ui_tx.send(UiMessage::Info(format!(
"[background] {} completed: {}",
call.function.name,
&preview[..preview.len().min(80)],
)));
let notification = format!(
"<task-notification>\nTool: {}\nResult: {}\n</task-notification>",
call.function.name, preview,
);
self.push_message(Message::user(notification));
// Show result in TUI and inject into conversation
self.apply_tool_result(&call, output, ui_tx, &mut bg_ds);
}
}
@ -324,11 +323,14 @@ impl Agent {
name: call.function.name.clone(),
args_summary: args_summary.clone(),
});
let _ = ui_tx.send(UiMessage::ToolStarted {
id: call.id.clone(),
name: call.function.name.clone(),
detail: args_summary,
});
self.active_tools.write().unwrap().push(
crate::user::ui_channel::ActiveTool {
id: call.id.clone(),
name: call.function.name.clone(),
detail: args_summary,
started: std::time::Instant::now(),
}
);
let tracker = self.process_tracker.clone();
let is_background = args.get("run_in_background")
.and_then(|v| v.as_bool())
@ -548,11 +550,14 @@ impl Agent {
name: call.function.name.clone(),
args_summary: args_summary.clone(),
});
let _ = ui_tx.send(UiMessage::ToolStarted {
id: call.id.clone(),
name: call.function.name.clone(),
detail: args_summary,
});
self.active_tools.write().unwrap().push(
crate::user::ui_channel::ActiveTool {
id: call.id.clone(),
name: call.function.name.clone(),
detail: args_summary,
started: std::time::Instant::now(),
}
);
// Handle working_stack tool — needs &mut self for context state
if call.function.name == "working_stack" {
@ -568,7 +573,7 @@ impl Agent {
name: call.function.name.clone(),
result: output.text.clone(),
});
let _ = ui_tx.send(UiMessage::ToolFinished { id: call.id.clone() });
self.active_tools.write().unwrap().retain(|t| t.id != call.id);
self.push_message(Message::tool_result(&call.id, &output.text));
ds.had_tool_calls = true;
@ -616,7 +621,7 @@ impl Agent {
name: call.function.name.clone(),
result: output.text.clone(),
});
let _ = ui_tx.send(UiMessage::ToolFinished { id: call.id.clone() });
self.active_tools.write().unwrap().retain(|t| t.id != call.id);
// Tag memory_render results for context deduplication
if call.function.name == "memory_render" && !output.text.starts_with("Error:") {

View file

@ -378,6 +378,7 @@ impl Session {
.ok();
let mut agent_guard = self.agent.lock().await;
let shared_ctx = agent_guard.shared_context.clone();
let shared_tools = agent_guard.active_tools.clone();
*agent_guard = Agent::new(
ApiClient::new(
&self.config.api_base,
@ -390,6 +391,7 @@ impl Session {
self.config.prompt_file.clone(),
new_log,
shared_ctx,
shared_tools,
);
}
self.dmn = dmn::State::Resting {
@ -826,12 +828,13 @@ async fn run(cli: cli::CliArgs) -> Result<()> {
// Create UI channel
let (ui_tx, mut ui_rx) = ui_channel::channel();
// Shared context state — agent writes, TUI reads for debug screen
// Shared state — agent writes, TUI reads
let shared_context = ui_channel::shared_context_state();
let shared_active_tools = ui_channel::shared_active_tools();
// Initialize TUI
let mut terminal = tui::init_terminal()?;
let mut app = tui::App::new(config.model.clone(), shared_context.clone());
let mut app = tui::App::new(config.model.clone(), shared_context.clone(), shared_active_tools.clone());
// Show startup info
let _ = ui_tx.send(UiMessage::Info("consciousness v0.3 (tui)".into()));
@ -868,6 +871,7 @@ async fn run(cli: cli::CliArgs) -> Result<()> {
config.prompt_file.clone(),
Some(conversation_log),
shared_context,
shared_active_tools,
)));
// Keep a reference to the process tracker outside the agent lock

View file

@ -168,7 +168,7 @@ impl App {
)));
lines.push(Line::raw(format!(" Reasoning: {}", self.reasoning_effort)));
lines.push(Line::raw(format!(" Running processes: {}", self.running_processes)));
lines.push(Line::raw(format!(" Active tools: {}", self.active_tools.len())));
lines.push(Line::raw(format!(" Active tools: {}", self.active_tools.read().unwrap().len())));
let block = Block::default()
.title_top(Line::from(SCREEN_LEGEND).left_aligned())

View file

@ -17,7 +17,8 @@ impl App {
/// Draw the main (F1) screen — four-pane layout with status bar.
pub(crate) fn draw_main(&mut self, frame: &mut Frame, size: Rect) {
// Main layout: content area + active tools overlay + status bar
let tool_lines = self.active_tools.len() as u16;
let active_tools = self.active_tools.read().unwrap();
let tool_lines = active_tools.len() as u16;
let main_chunks = Layout::default()
.direction(Direction::Vertical)
.constraints([
@ -107,9 +108,9 @@ impl App {
frame.render_widget(&self.textarea, input_chunks[1]);
// Draw active tools overlay
if !self.active_tools.is_empty() {
if !active_tools.is_empty() {
let tool_style = Style::default().fg(Color::Yellow).add_modifier(Modifier::DIM);
let tool_text: Vec<Line> = self.active_tools.iter().map(|t| {
let tool_text: Vec<Line> = active_tools.iter().map(|t| {
let elapsed = t.started.elapsed().as_secs();
let line = if t.detail.is_empty() {
format!(" [{}] ({}s)", t.name, elapsed)

View file

@ -308,12 +308,8 @@ pub(crate) fn parse_markdown(md: &str) -> Vec<Line<'static>> {
}
/// A tool call currently in flight — shown above the status bar.
pub(crate) struct ActiveTool {
pub(crate) id: String,
pub(crate) name: String,
pub(crate) detail: String,
pub(crate) started: std::time::Instant,
}
// ActiveTool moved to ui_channel — shared between Agent and TUI
pub(crate) use crate::user::ui_channel::ActiveTool;
/// Main TUI application state.
pub struct App {
@ -335,7 +331,7 @@ pub struct App {
pub running_processes: u32,
/// Current reasoning effort level (for status display).
pub reasoning_effort: String,
pub(crate) active_tools: Vec<ActiveTool>,
pub(crate) active_tools: crate::user::ui_channel::SharedActiveTools,
pub(crate) active_pane: ActivePane,
/// User input editor (handles wrapping, cursor positioning).
pub textarea: tui_textarea::TextArea<'static>,
@ -422,7 +418,7 @@ pub enum HotkeyAction {
}
impl App {
pub fn new(model: String, shared_context: SharedContextState) -> Self {
pub fn new(model: String, shared_context: SharedContextState, active_tools: crate::user::ui_channel::SharedActiveTools) -> Self {
Self {
autonomous: PaneState::new(true), // markdown
conversation: PaneState::new(true), // markdown
@ -444,7 +440,7 @@ impl App {
needs_assistant_marker: false,
running_processes: 0,
reasoning_effort: "none".to_string(),
active_tools: Vec::new(),
active_tools,
active_pane: ActivePane::Conversation,
textarea: new_textarea(vec![String::new()]),
input_history: Vec::new(),
@ -548,17 +544,8 @@ impl App {
self.autonomous.current_color = Color::DarkGray;
self.autonomous.append_text(&text);
}
UiMessage::ToolStarted { id, name, detail } => {
self.active_tools.push(ActiveTool {
id,
name,
detail,
started: std::time::Instant::now(),
});
}
UiMessage::ToolFinished { id } => {
self.active_tools.retain(|t| t.id != id);
}
UiMessage::ToolStarted { .. } => {} // handled by shared active_tools
UiMessage::ToolFinished { .. } => {}
UiMessage::Debug(text) => {
self.tools.push_line(format!("[debug] {}", text), Color::DarkGray);
}

View file

@ -22,6 +22,22 @@ pub fn shared_context_state() -> SharedContextState {
Arc::new(RwLock::new(Vec::new()))
}
/// Active tool info for TUI display.
#[derive(Debug, Clone)]
pub struct ActiveTool {
pub id: String,
pub name: String,
pub detail: String,
pub started: std::time::Instant,
}
/// Shared active tools — agent writes, TUI reads.
pub type SharedActiveTools = Arc<RwLock<Vec<ActiveTool>>>;
pub fn shared_active_tools() -> SharedActiveTools {
Arc::new(RwLock::new(Vec::new()))
}
/// Which pane streaming text should go to.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum StreamTarget {