d64a6e9794
- Added src/ui/buddy.rs with CompanionSprite, BuddyState, and draw functions - Integrated buddy into app.rs for welcome screen and dashboard - Added agent selection via 'a' key on welcome screen - Buddy shows agent name, mood, energy, health, and subconscious status - WIP: Needs full agent alias creation/removal flow
682 lines
24 KiB
Rust
682 lines
24 KiB
Rust
//! Wired chat screen — bubbles, streaming, surfacing.
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//!
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//! The state owns:
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//! - A `Box<dyn Backend>` constructed at App startup (typically `LocalBackend`).
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//! - A turn-events channel (`mpsc::Receiver<BackendEvent>`) populated by the
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//! currently-running send task; `None` when idle.
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//! - A scrollable history of [`ChatMessage`]s.
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//!
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//! Visual model — jcode rounded-box pattern:
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//! - User messages: right-aligned blue bubble.
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//! - Assistant messages: left-aligned orange bubble; partial message
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//! appends streaming tokens live.
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//! - Surfacing items: centered yellow bubble with `[surfacing]` header
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//! (Constitution Article II.2).
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use std::sync::Arc;
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use std::time::Instant;
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use anyhow::Result;
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use futures::StreamExt;
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use ratatui::{
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layout::{Alignment, Constraint, Direction, Layout, Rect},
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style::{Color, Modifier, Style},
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text::{Line, Span},
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widgets::{Block, BorderType, Borders, Paragraph, Wrap},
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Frame,
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};
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use tokio::sync::mpsc;
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use tokio::sync::RwLock;
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use crate::backend::{Backend, BackendEvent};
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use crate::core::config::ConsciousnessConfig;
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use crate::ui::markdown;
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const SURFACING_YELLOW: Color = Color::Rgb(220, 190, 100);
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const USER_BLUE: Color = Color::Rgb(120, 170, 240);
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const ANI_ORANGE: Color = Color::Rgb(255, 140, 66);
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const ANI_DIM: Color = Color::Rgb(180, 120, 80);
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const STATUS_GRAY: Color = Color::Rgb(140, 140, 140);
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#[derive(Debug, Clone)]
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pub enum ChatMessage {
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User { text: String, ts: Instant },
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Assistant { text: String, ts: Instant, streaming: bool },
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Surfacing { source: String, content: String, priority: String, ts: Instant },
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System { text: String, ts: Instant },
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}
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pub struct ChatState {
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pub backend: Arc<dyn Backend>,
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pub mode: String,
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pub agent_name: String,
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pub agent_id: String,
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pub conversation_id: String,
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pub messages: Vec<ChatMessage>,
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pub input: String,
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pub scroll: u16,
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pub turn_rx: Option<mpsc::Receiver<BackendEvent>>,
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pub busy: bool,
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pub pressure: f32,
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/// Cockpit pane visible (Tab toggles).
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pub cockpit: bool,
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/// Recent thinking/reasoning lines for the cockpit pane.
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pub thinking: Vec<String>,
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/// Recent subconscious surfacings + reflections for the cockpit pane.
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pub cockpit_log: Vec<String>,
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/// Monotonic tick counter for animation timings.
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pub tick: u64,
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/// When the current turn started (for spinner animation).
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pub turn_started: Option<Instant>,
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}
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impl ChatState {
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pub async fn connect(
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config: Arc<RwLock<ConsciousnessConfig>>,
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agent_name_pref: &str,
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) -> Result<Self> {
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// Pick the backend: try remote first, fall back to local. Mirrors
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// `main::resolve_backend` but adapted for the TUI (no quiet/json flags).
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let cfg = config.read().await;
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let url = cfg.server.effective_url();
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drop(cfg);
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let remote = crate::backend::RemoteBackend::new(&url);
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let (backend, mode): (Arc<dyn Backend>, &'static str) = if remote.health().await {
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(Arc::new(remote), "remote")
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} else {
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let cfg = config.read().await.clone();
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let local = crate::backend::LocalBackend::new(cfg).await?;
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(Arc::new(local), "local")
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};
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let agents = backend.list_agents().await?;
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let agent = agents
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.iter()
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.find(|a| a.name == agent_name_pref || a.id == agent_name_pref)
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.or_else(|| agents.first())
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.cloned()
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.ok_or_else(|| anyhow::anyhow!("no agents available"))?;
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let conversation_id = backend.ensure_conversation(&agent.id).await?;
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Ok(Self {
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backend,
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mode: mode.to_string(),
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agent_name: agent.name,
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agent_id: agent.id,
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conversation_id,
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messages: vec![ChatMessage::System {
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text: "Souveraine ready. Type to begin.".to_string(),
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ts: Instant::now(),
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}],
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input: String::new(),
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scroll: 0,
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turn_rx: None,
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busy: false,
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pressure: 0.0,
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cockpit: false,
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thinking: Vec::new(),
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cockpit_log: Vec::new(),
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tick: 0,
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turn_started: None,
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})
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}
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/// Submit the current input as a user message and start a turn.
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pub fn submit(&mut self) {
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if self.busy || self.input.trim().is_empty() {
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return;
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}
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let text = std::mem::take(&mut self.input);
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let ts = Instant::now();
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self.messages.push(ChatMessage::User { text: text.clone(), ts });
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self.messages.push(ChatMessage::Assistant {
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text: String::new(),
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ts,
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streaming: true,
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});
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self.busy = true;
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self.turn_started = Some(Instant::now());
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let (tx, rx) = mpsc::channel::<BackendEvent>(64);
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self.turn_rx = Some(rx);
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let backend = self.backend.clone();
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let conv_id = self.conversation_id.clone();
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tokio::spawn(async move {
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match backend.send(&conv_id, &text).await {
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Ok(mut stream) => {
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while let Some(ev) = stream.next().await {
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match ev {
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Ok(e) => {
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if tx.send(e).await.is_err() {
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break;
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}
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}
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Err(err) => {
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let _ = tx
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.send(BackendEvent::Token(format!("\n[error] {}\n", err)))
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.await;
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break;
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}
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}
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}
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}
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Err(err) => {
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let _ = tx
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.send(BackendEvent::Token(format!("\n[connect error] {}\n", err)))
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.await;
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}
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}
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let _ = tx.send(BackendEvent::Done).await;
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});
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}
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/// Drain pending events from the active turn channel (non-blocking).
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/// Call once per UI tick.
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pub fn drain_events(&mut self) {
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// Two-phase to avoid double-borrowing self: drain into a Vec, then process.
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let mut drained: Vec<BackendEvent> = Vec::new();
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let mut closed = false;
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if let Some(rx) = self.turn_rx.as_mut() {
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loop {
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match rx.try_recv() {
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Ok(ev) => drained.push(ev),
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Err(mpsc::error::TryRecvError::Empty) => break,
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Err(mpsc::error::TryRecvError::Disconnected) => {
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closed = true;
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break;
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}
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}
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}
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} else {
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return;
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}
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for ev in drained {
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match ev {
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BackendEvent::Token(t) => self.append_streaming(&t),
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BackendEvent::Reasoning(r) => {
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self.thinking.push(r.clone());
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if self.thinking.len() > 200 {
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self.thinking.drain(..self.thinking.len() - 200);
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}
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}
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BackendEvent::Surfacing { source, content, priority } => {
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self.cockpit_log.push(format!("surfacing · {} · {} — {}", source, priority, content));
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if self.cockpit_log.len() > 200 {
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self.cockpit_log.drain(..self.cockpit_log.len() - 200);
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}
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self.messages.push(ChatMessage::Surfacing {
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source,
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content,
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priority,
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ts: Instant::now(),
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});
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}
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BackendEvent::Reflection(content) => {
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self.cockpit_log.push(format!("reflection — {}", content));
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self.messages.push(ChatMessage::System {
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text: format!("reflection: {}", content),
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ts: Instant::now(),
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});
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}
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BackendEvent::Archivist { synthesis, pressure } => {
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self.pressure = pressure;
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self.cockpit_log.push(format!("archivist · {:.0}% — {}", pressure * 100.0, synthesis));
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self.messages.push(ChatMessage::System {
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text: format!("archivist: {} (pressure {:.0}%)", synthesis, pressure * 100.0),
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ts: Instant::now(),
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});
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}
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BackendEvent::Done => {
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self.finalize_streaming();
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self.busy = false;
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self.turn_started = None;
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self.turn_rx = None;
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return;
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}
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}
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}
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if closed {
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self.finalize_streaming();
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self.busy = false;
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self.turn_started = None;
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self.turn_rx = None;
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}
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}
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/// Toggle the cockpit side-pane.
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pub fn toggle_cockpit(&mut self) {
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self.cockpit = !self.cockpit;
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}
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/// Bump the animation tick. Called once per UI frame.
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pub fn advance_tick(&mut self) {
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self.tick = self.tick.wrapping_add(1);
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}
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fn append_streaming(&mut self, t: &str) {
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if let Some(ChatMessage::Assistant { text, streaming, .. }) = self.messages.last_mut() {
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if *streaming {
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text.push_str(t);
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return;
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}
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}
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self.messages.push(ChatMessage::Assistant {
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text: t.to_string(),
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ts: Instant::now(),
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streaming: true,
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});
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}
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fn finalize_streaming(&mut self) {
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if let Some(ChatMessage::Assistant { streaming, .. }) = self.messages.last_mut() {
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*streaming = false;
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}
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}
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}
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// ─── Rendering ───────────────────────────────────────────────────────────
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pub fn draw(f: &mut Frame, state: &ChatState) {
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let area = f.size();
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let vchunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Length(1), // header
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Constraint::Min(5), // body (messages + optional cockpit)
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Constraint::Length(3), // input
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Constraint::Length(1), // status footer
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])
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.split(area);
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draw_header(f, state, vchunks[0]);
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if state.cockpit {
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let body = Layout::default()
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.direction(Direction::Horizontal)
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.constraints([Constraint::Min(40), Constraint::Length(36)])
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.split(vchunks[1]);
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draw_messages(f, state, body[0]);
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draw_cockpit(f, state, body[1]);
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} else {
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draw_messages(f, state, vchunks[1]);
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}
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draw_input(f, state, vchunks[2]);
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draw_footer(f, state, vchunks[3]);
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}
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fn draw_header(f: &mut Frame, state: &ChatState, area: Rect) {
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let mode_color = match state.mode.as_str() {
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"local" => Color::Rgb(120, 200, 140),
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"remote" => Color::Rgb(180, 180, 220),
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_ => STATUS_GRAY,
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};
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let title = Line::from(vec![
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Span::styled("✦ Souveraine ", Style::default().fg(ANI_ORANGE).add_modifier(Modifier::BOLD)),
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Span::styled(format!("· {} ", state.agent_name), Style::default().fg(Color::White)),
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Span::styled(format!("[{} mode]", state.mode), Style::default().fg(mode_color)),
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]);
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f.render_widget(Paragraph::new(title).alignment(Alignment::Center), area);
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}
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fn draw_messages(f: &mut Frame, state: &ChatState, area: Rect) {
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let max_bubble = ((area.width as usize).saturating_sub(8) * 70 / 100).max(20);
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let mut lines: Vec<Line<'static>> = Vec::new();
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for msg in &state.messages {
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match msg {
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ChatMessage::User { text, .. } => {
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lines.extend(bubble(
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"you",
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text,
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max_bubble,
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Style::default().fg(USER_BLUE),
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BubbleAlign::Right,
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area.width,
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));
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lines.push(Line::from(""));
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}
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ChatMessage::Assistant { text, streaming, .. } => {
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let label = if *streaming { format!("{} ◦", state.agent_name) } else { state.agent_name.clone() };
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let body_lines = if text.is_empty() && *streaming {
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vec![Line::from("…")]
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} else {
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markdown::render(text, ANI_ORANGE)
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};
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lines.extend(bubble_rendered(
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&label,
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&body_lines,
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max_bubble,
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Style::default().fg(ANI_ORANGE),
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BubbleAlign::Left,
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area.width,
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));
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lines.push(Line::from(""));
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}
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ChatMessage::Surfacing { source, content, priority, .. } => {
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let label = format!("surfacing · {} · {}", source, priority);
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lines.extend(bubble(
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&label,
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content,
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max_bubble.min(60),
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Style::default().fg(SURFACING_YELLOW),
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BubbleAlign::Center,
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area.width,
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));
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lines.push(Line::from(""));
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}
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ChatMessage::System { text, .. } => {
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lines.push(Line::from(Span::styled(
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format!(" · {}", text),
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Style::default().fg(STATUS_GRAY).add_modifier(Modifier::ITALIC),
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)));
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lines.push(Line::from(""));
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}
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}
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}
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// Auto-scroll to bottom unless the user has manually scrolled up.
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let total = lines.len() as u16;
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let view = area.height.saturating_sub(2);
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let scroll = total.saturating_sub(view).saturating_sub(state.scroll);
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let para = Paragraph::new(lines)
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.wrap(Wrap { trim: false })
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.scroll((scroll, 0))
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.block(
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Block::default()
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.borders(Borders::TOP | Borders::BOTTOM)
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.border_style(Style::default().fg(ANI_DIM))
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.border_type(BorderType::Plain),
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);
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f.render_widget(para, area);
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}
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#[derive(Clone, Copy)]
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enum BubbleAlign {
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Left,
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Right,
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Center,
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}
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/// Build a rounded-box bubble (jcode pattern). Returns a vector of styled lines.
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fn bubble(
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title: &str,
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body: &str,
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max_width: usize,
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border: Style,
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align: BubbleAlign,
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container_width: u16,
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) -> Vec<Line<'static>> {
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let max_inner = max_width.saturating_sub(4).max(8);
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let wrapped = wrap_words(body, max_inner);
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let widest = wrapped
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.iter()
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.map(|s| s.chars().count())
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.max()
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.unwrap_or(0)
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.max(title.chars().count() + 2);
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let inner = widest.min(max_inner);
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let outer = inner + 4;
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let title_text = format!(" {} ", title);
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let dashes = outer.saturating_sub(2 + title_text.chars().count());
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let left_dash = "─".repeat(dashes / 2);
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let right_dash = "─".repeat(dashes - dashes / 2);
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let pad = match align {
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BubbleAlign::Left => 2,
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BubbleAlign::Right => (container_width as usize).saturating_sub(outer + 2),
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BubbleAlign::Center => (container_width as usize).saturating_sub(outer) / 2,
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};
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let pad_str = " ".repeat(pad);
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let mut lines = Vec::new();
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let top = format!("{}╭{}{}{}╮", pad_str, left_dash, title_text, right_dash);
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lines.push(Line::from(Span::styled(top, border)));
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for chunk in &wrapped {
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let chunk_width = chunk.chars().count();
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let inner_pad = inner.saturating_sub(chunk_width);
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let line_str = format!("{}│ {}{} │", pad_str, chunk, " ".repeat(inner_pad));
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let mut spans = Vec::new();
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spans.push(Span::raw(pad_str.clone()));
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spans.push(Span::styled("│ ", border));
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spans.push(Span::raw(chunk.clone()));
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if inner_pad > 0 {
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spans.push(Span::raw(" ".repeat(inner_pad)));
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}
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spans.push(Span::styled(" │", border));
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let _ = line_str;
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lines.push(Line::from(spans));
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}
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let bottom = format!("{}╰{}╯", pad_str, "─".repeat(outer - 2));
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lines.push(Line::from(Span::styled(bottom, border)));
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lines
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}
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/// Build a rounded-box bubble around pre-rendered markdown lines.
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///
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/// Like [`bubble`] but accepts `Vec<Line<'static>>` (from the markdown
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/// renderer) instead of a plain `&str`. Each line keeps its styled spans
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/// (bold, code, headings, etc.) inside the box-drawing borders.
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fn bubble_rendered(
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title: &str,
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body_lines: &[Line<'static>],
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max_width: usize,
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border: Style,
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align: BubbleAlign,
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container_width: u16,
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) -> Vec<Line<'static>> {
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let max_inner = max_width.saturating_sub(4).max(8);
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let widest = body_lines
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.iter()
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.map(|l| l.width())
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.max()
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.unwrap_or(0)
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.max(title.chars().count() + 2);
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let inner = widest.min(max_inner);
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let outer = inner + 4;
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let title_text = format!(" {} ", title);
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let dashes = outer.saturating_sub(2 + title_text.chars().count());
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let left_dash = "─".repeat(dashes / 2);
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let right_dash = "─".repeat(dashes - dashes / 2);
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let pad = match align {
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BubbleAlign::Left => 2,
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BubbleAlign::Right => (container_width as usize).saturating_sub(outer + 2),
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BubbleAlign::Center => (container_width as usize).saturating_sub(outer) / 2,
|
||
};
|
||
let pad_str = " ".repeat(pad);
|
||
|
||
let mut lines = Vec::new();
|
||
|
||
let top = format!("{}╭{}{}{}╮", pad_str, left_dash, title_text, right_dash);
|
||
lines.push(Line::from(Span::styled(top, border)));
|
||
|
||
for line in body_lines {
|
||
let chunk_width = line.width();
|
||
let inner_pad = inner.saturating_sub(chunk_width);
|
||
let mut spans: Vec<Span<'static>> = Vec::new();
|
||
spans.push(Span::raw(pad_str.clone()));
|
||
spans.push(Span::styled("│ ", border));
|
||
spans.extend(line.spans.iter().cloned());
|
||
if inner_pad > 0 {
|
||
spans.push(Span::raw(" ".repeat(inner_pad)));
|
||
}
|
||
spans.push(Span::styled(" │", border));
|
||
lines.push(Line::from(spans));
|
||
}
|
||
|
||
let bottom = format!("{}╰{}╯", pad_str, "─".repeat(outer - 2));
|
||
lines.push(Line::from(Span::styled(bottom, border)));
|
||
|
||
lines
|
||
}
|
||
|
||
fn wrap_words(text: &str, width: usize) -> Vec<String> {
|
||
let mut out = Vec::new();
|
||
for paragraph in text.split('\n') {
|
||
if paragraph.is_empty() {
|
||
out.push(String::new());
|
||
continue;
|
||
}
|
||
let mut current = String::new();
|
||
for word in paragraph.split_whitespace() {
|
||
let w = word.chars().count();
|
||
if w >= width {
|
||
if !current.is_empty() {
|
||
out.push(std::mem::take(&mut current));
|
||
}
|
||
// Long word — chunk it.
|
||
let mut buf = String::new();
|
||
for ch in word.chars() {
|
||
if buf.chars().count() + 1 > width {
|
||
out.push(std::mem::take(&mut buf));
|
||
}
|
||
buf.push(ch);
|
||
}
|
||
if !buf.is_empty() {
|
||
out.push(buf);
|
||
}
|
||
continue;
|
||
}
|
||
if current.is_empty() {
|
||
current.push_str(word);
|
||
} else if current.chars().count() + 1 + w <= width {
|
||
current.push(' ');
|
||
current.push_str(word);
|
||
} else {
|
||
out.push(std::mem::take(&mut current));
|
||
current.push_str(word);
|
||
}
|
||
}
|
||
if !current.is_empty() {
|
||
out.push(current);
|
||
}
|
||
}
|
||
if out.is_empty() {
|
||
out.push(String::new());
|
||
}
|
||
out
|
||
}
|
||
|
||
fn draw_input(f: &mut Frame, state: &ChatState, area: Rect) {
|
||
let line = if state.busy {
|
||
let spinner = SPINNER[(state.tick as usize / 2) % SPINNER.len()];
|
||
let elapsed = state
|
||
.turn_started
|
||
.map(|t| t.elapsed().as_secs())
|
||
.unwrap_or(0);
|
||
Line::from(vec![
|
||
Span::styled(format!(" {} ", spinner), Style::default().fg(ANI_ORANGE).add_modifier(Modifier::BOLD)),
|
||
Span::styled(
|
||
format!("thinking… {}s", elapsed),
|
||
Style::default().fg(ANI_DIM).add_modifier(Modifier::ITALIC),
|
||
),
|
||
])
|
||
} else {
|
||
// Cursor blinks at ~2Hz with the tick (assuming 100ms tick rate).
|
||
let cursor_visible = (state.tick / 5) % 2 == 0;
|
||
let cursor = if cursor_visible { "▏" } else { " " };
|
||
Line::from(vec![
|
||
Span::styled(" › ", Style::default().fg(ANI_ORANGE).add_modifier(Modifier::BOLD)),
|
||
Span::styled(state.input.clone(), Style::default().fg(Color::White)),
|
||
Span::styled(cursor, Style::default().fg(ANI_ORANGE)),
|
||
])
|
||
};
|
||
let border_color = if state.busy {
|
||
let phase = (state.tick as f32 / 8.0).sin().abs();
|
||
// Breathing dim → orange while thinking.
|
||
let r = (180.0 + (255.0 - 180.0) * phase) as u8;
|
||
let g = (120.0 + (140.0 - 120.0) * phase) as u8;
|
||
let b = (80.0 + (66.0 - 80.0) * phase) as u8;
|
||
Color::Rgb(r, g, b)
|
||
} else {
|
||
ANI_ORANGE
|
||
};
|
||
let block = Block::default()
|
||
.borders(Borders::ALL)
|
||
.border_type(BorderType::Rounded)
|
||
.border_style(Style::default().fg(border_color));
|
||
f.render_widget(Paragraph::new(line).block(block), area);
|
||
}
|
||
|
||
const SPINNER: &[&str] = &["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
|
||
|
||
fn draw_cockpit(f: &mut Frame, state: &ChatState, area: Rect) {
|
||
let panes = Layout::default()
|
||
.direction(Direction::Vertical)
|
||
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)])
|
||
.split(area);
|
||
|
||
// Thinking pane
|
||
let thinking_view = state
|
||
.thinking
|
||
.iter()
|
||
.rev()
|
||
.take(panes[0].height as usize)
|
||
.rev()
|
||
.map(|t| Line::from(Span::styled(format!("· {}", t), Style::default().fg(STATUS_GRAY))))
|
||
.collect::<Vec<_>>();
|
||
let thinking = Paragraph::new(thinking_view)
|
||
.wrap(Wrap { trim: false })
|
||
.block(
|
||
Block::default()
|
||
.borders(Borders::ALL)
|
||
.border_type(BorderType::Rounded)
|
||
.border_style(Style::default().fg(ANI_DIM))
|
||
.title(Span::styled(" thinking ", Style::default().fg(ANI_DIM).add_modifier(Modifier::BOLD))),
|
||
);
|
||
f.render_widget(thinking, panes[0]);
|
||
|
||
// Subconscious pane (surfacings, reflections, archivist)
|
||
let log_view = state
|
||
.cockpit_log
|
||
.iter()
|
||
.rev()
|
||
.take(panes[1].height as usize)
|
||
.rev()
|
||
.map(|t| Line::from(Span::styled(format!("· {}", t), Style::default().fg(SURFACING_YELLOW))))
|
||
.collect::<Vec<_>>();
|
||
let subconscious = Paragraph::new(log_view)
|
||
.wrap(Wrap { trim: false })
|
||
.block(
|
||
Block::default()
|
||
.borders(Borders::ALL)
|
||
.border_type(BorderType::Rounded)
|
||
.border_style(Style::default().fg(SURFACING_YELLOW))
|
||
.title(Span::styled(" subconscious ", Style::default().fg(SURFACING_YELLOW).add_modifier(Modifier::BOLD))),
|
||
);
|
||
f.render_widget(subconscious, panes[1]);
|
||
}
|
||
|
||
fn draw_footer(f: &mut Frame, state: &ChatState, area: Rect) {
|
||
let pressure_pct = (state.pressure * 100.0) as u16;
|
||
let pressure_label = format!("ctx {}%", pressure_pct);
|
||
let cockpit_hint = if state.cockpit { "Tab close cockpit" } else { "Tab cockpit" };
|
||
let footer = Line::from(vec![
|
||
Span::styled(
|
||
format!(" Esc menu · Enter send · ↑↓ scroll · {} ", cockpit_hint),
|
||
Style::default().fg(STATUS_GRAY),
|
||
),
|
||
Span::raw("│ "),
|
||
Span::styled(format!("conv {}", short(&state.conversation_id)), Style::default().fg(STATUS_GRAY)),
|
||
Span::raw(" │ "),
|
||
Span::styled(pressure_label, Style::default().fg(STATUS_GRAY)),
|
||
]);
|
||
f.render_widget(Paragraph::new(footer).alignment(Alignment::Center), area);
|
||
}
|
||
|
||
fn short(s: &str) -> String {
|
||
if s.len() <= 8 { s.to_string() } else { s[..8].to_string() }
|
||
}
|