feature/sigit-code-cloud
claude/code-feature-parity-q003hm
claude/elegant-carson-l1menh
claude/sigit-acp-local-chat-cx6380
claude/sigit-cloud-agent-expansion-reox0a
claude/tool-permission-system
claude/zen-feynman-0u78dk
development
feature/agent-tools-multiedit-glob-todos-remember
feature/background-commands
feature/commit-coauthor-attribution
feature/headless-mode
feature/init-command
feature/load-local-model-explicitly
feature/session-persistence-compaction
feature/sigit-code-cloud
feature/subagent-tool
feature/tool-permission-system
feature/tui-repo-tabs
feature/tui-tabs
main
release/v1.3.1
| 1 | //! Full-screen terminal chat UI. |
| 2 | //! |
| 3 | //! Two phases: a loading spinner while the model initializes, then |
| 4 | //! interactive chat. Uses `tokio::select!` to multiplex terminal events |
| 5 | //! with streaming LLM tokens. |
| 6 | |
| 7 | // ── Think-block stripping ───────────────────────────────────────────────────── |
| 8 | |
| 9 | /// Split out `<think>…</think>` blocks from a model response. |
| 10 | /// |
| 11 | /// Qwen 3 emits reasoning inside `<think>` tags before the actual answer. |
| 12 | /// Returns `(thinking_text, visible_reply)`. Either may be empty. |
| 13 | pub(crate) fn strip_think_blocks(raw: &str) -> (String, String) { |
| 14 | let mut thinking = String::new(); |
| 15 | let mut remainder = raw; |
| 16 | |
| 17 | while let Some(start) = remainder.find("<think>") { |
| 18 | let before = &remainder[..start]; |
| 19 | if let Some(end) = remainder[start..].find("</think>") { |
| 20 | let block = &remainder[start + 7..start + end]; |
| 21 | thinking.push_str(block.trim()); |
| 22 | remainder = &remainder[start + end + 8..]; |
| 23 | if !before.trim().is_empty() { |
| 24 | // rare: text before <think> — keep it visible |
| 25 | let mut combined = before.to_string(); |
| 26 | combined.push_str(remainder); |
| 27 | return (thinking, combined.trim().to_string()); |
| 28 | } |
| 29 | } else { |
| 30 | // unclosed tag — model probably ran out of tokens |
| 31 | thinking.push_str(remainder[start + 7..].trim()); |
| 32 | remainder = before; |
| 33 | break; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | (thinking, remainder.trim().to_string()) |
| 38 | } |
| 39 | |
| 40 | pub(crate) fn parse_rich_text_segments(text: &str) -> Vec<(String, bool)> { |
| 41 | let mut segments = Vec::new(); |
| 42 | let mut current = String::new(); |
| 43 | let mut chars = text.chars().peekable(); |
| 44 | let mut bold = false; |
| 45 | |
| 46 | while let Some(ch) = chars.next() { |
| 47 | if ch == '*' && chars.peek() == Some(&'*') { |
| 48 | chars.next(); |
| 49 | if !current.is_empty() { |
| 50 | segments.push((std::mem::take(&mut current), bold)); |
| 51 | } |
| 52 | bold = !bold; |
| 53 | } else { |
| 54 | current.push(ch); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | if !current.is_empty() { |
| 59 | segments.push((current, bold)); |
| 60 | } |
| 61 | |
| 62 | segments |
| 63 | } |
| 64 | |
| 65 | // ── Unix-only TUI ───────────────────────────────────────────────────────────── |
| 66 | // |
| 67 | // macOS + Linux only. Windows uses ACP mode instead. |
| 68 | |
| 69 | #[cfg(unix)] |
| 70 | mod tui { |
| 71 | use std::future::pending; |
| 72 | use std::sync::Arc; |
| 73 | use std::sync::mpsc as std_mpsc; |
| 74 | |
| 75 | use anyhow::Result; |
| 76 | use crossterm::event::{Event, EventStream, KeyCode, KeyEvent, KeyEventKind, KeyModifiers}; |
| 77 | use futures::StreamExt; |
| 78 | use onde::inference::{ChatEngine, SamplingConfig, StreamChunk}; |
| 79 | |
| 80 | use crate::backend::{InferenceBackend, LocalBackend, OpenAiBackend, ToolResult, ToolSpec}; |
| 81 | use crate::models::{ModelCacheHealth, ModelPickerItem, ModelSource, build_model_picker_items}; |
| 82 | use ratatui::{ |
| 83 | Frame, |
| 84 | layout::{Constraint, Layout, Position}, |
| 85 | style::{Color, Modifier, Style}, |
| 86 | text::{Line, Span}, |
| 87 | widgets::{Block, Borders, Clear, Paragraph, Wrap}, |
| 88 | }; |
| 89 | use tokio::sync::mpsc; |
| 90 | use tokio::time::{Duration, Instant, interval}; |
| 91 | |
| 92 | // ── Message types ───────────────────────────────────────────────────────── |
| 93 | |
| 94 | #[derive(Clone, Copy, PartialEq, Eq)] |
| 95 | enum Role { |
| 96 | User, |
| 97 | Assistant, |
| 98 | System, |
| 99 | /// rainbow-colored banner art |
| 100 | Banner, |
| 101 | } |
| 102 | |
| 103 | struct ChatMessage { |
| 104 | role: Role, |
| 105 | text: String, |
| 106 | /// Qwen 3 reasoning extracted from `<think>` tags, if any. |
| 107 | think_block: Option<String>, |
| 108 | } |
| 109 | |
| 110 | impl ChatMessage { |
| 111 | fn user(text: impl Into<String>) -> Self { |
| 112 | Self { |
| 113 | role: Role::User, |
| 114 | text: text.into(), |
| 115 | think_block: None, |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | fn assistant(text: impl Into<String>) -> Self { |
| 120 | let raw = text.into(); |
| 121 | let (think, visible) = super::strip_think_blocks(&raw); |
| 122 | Self { |
| 123 | role: Role::Assistant, |
| 124 | text: visible, |
| 125 | think_block: if think.is_empty() { None } else { Some(think) }, |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | fn system(text: impl Into<String>) -> Self { |
| 130 | Self { |
| 131 | role: Role::System, |
| 132 | text: text.into(), |
| 133 | think_block: None, |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | fn banner(text: impl Into<String>) -> Self { |
| 138 | Self { |
| 139 | role: Role::Banner, |
| 140 | text: text.into(), |
| 141 | think_block: None, |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | // ── Inference updates from background task ──────────────────────────────── |
| 147 | |
| 148 | enum InferenceUpdate { |
| 149 | /// show tool name in chat while it runs |
| 150 | ToolUse(String), |
| 151 | Response(String), |
| 152 | Error(String), |
| 153 | } |
| 154 | |
| 155 | enum ModelLoadUpdate { |
| 156 | Loaded(String), |
| 157 | Error(String), |
| 158 | } |
| 159 | |
| 160 | // ── App state ───────────────────────────────────────────────────────────── |
| 161 | |
| 162 | struct App { |
| 163 | messages: Vec<ChatMessage>, |
| 164 | input: String, |
| 165 | cursor: usize, |
| 166 | scroll_offset: u16, |
| 167 | stream_rx: Option<mpsc::Receiver<StreamChunk>>, |
| 168 | stream_buf: String, |
| 169 | inference_rx: Option<mpsc::Receiver<InferenceUpdate>>, |
| 170 | model_load_rx: Option<mpsc::Receiver<ModelLoadUpdate>>, |
| 171 | thinking: bool, |
| 172 | thinking_tick: u8, |
| 173 | quit: bool, |
| 174 | /// toggled periodically so the streaming cursor blinks |
| 175 | blink_on: bool, |
| 176 | blink_counter: u8, |
| 177 | switching_model: bool, |
| 178 | /// stashed until ModelLoadUpdate::Loaded applies it to `app.tool_calling` |
| 179 | pending_tool_calling: Option<bool>, |
| 180 | /// suppresses the spurious "disconnected" error when we drop model_load_rx on cancel |
| 181 | model_load_cancelled: bool, |
| 182 | |
| 183 | // ── Loading-phase state ─────────────────────────────────────────────── |
| 184 | is_loading: bool, |
| 185 | load_tick: u32, |
| 186 | /// keeps the loading view visible so the user can read the error |
| 187 | load_error: Option<String>, |
| 188 | load_start: Instant, |
| 189 | load_model_name: String, |
| 190 | |
| 191 | // ── Model picker state ──────────────────────────────────────────────── |
| 192 | show_model_picker: bool, |
| 193 | model_picker_index: usize, |
| 194 | model_picker_items: Vec<ModelPickerItem>, |
| 195 | current_model_name: String, |
| 196 | tool_calling: bool, |
| 197 | |
| 198 | // ── Model-switch download progress ──────────────────────────────────── |
| 199 | switching_model_id: Option<String>, |
| 200 | /// (downloaded, expected) bytes — polled every tick during a model switch |
| 201 | download_progress: Option<(u64, u64)>, |
| 202 | |
| 203 | // ── Active inference backend ────────────────────────────────────────── |
| 204 | /// The backend serving inference. Swapped in place when the user picks a |
| 205 | /// different model or cloud tier via `/models`. |
| 206 | backend: Arc<dyn InferenceBackend>, |
| 207 | } |
| 208 | |
| 209 | const BANNER_ART: &str = "\ |
| 210 | 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777 |
| 211 | 77777777322222222222222222222222222222223777389969902208431358831999699051111177777777777777 |
| 212 | 1111111125555555555555555555555511113222311159 5002 088 3081771691111111111111 |
| 213 | 1111111111111111111111111111131136841 1482853332007 05 9043332891 400811111111111 |
| 214 | 1111111111111111111111111111111201 109 304 40 00 79 100041111111111 |
| 215 | 333333255555555555555555555552392 102 503 90 7000000005 903 0000023333333333 |
| 216 | 333333245454545454545454545433381 7600000 302 61 780 109 20009533333333333 |
| 217 | 3333333333333333333333333333333402 7001 08 761 202 902 90003333333333333 |
| 218 | 2222255555555555555555555555250899901 49 304 403 08 108 300042222222222222 |
| 219 | 2222222222222222222222222222269 106 03 901 06 505 402 000052222222222222 |
| 220 | 2222255555555555555555555555299 708 1002 80 00 90852222222222222 |
| 221 | 55555555555555555555555555555560953258000866660000051140866908666600008966900065555555555555 |
| 222 | 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888"; |
| 223 | |
| 224 | const THINKING_FRAMES: &[&str] = &["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]; |
| 225 | |
| 226 | fn rich_text_spans(text: &str, base_style: Style, bold_style: Style) -> Vec<Span<'static>> { |
| 227 | let mut spans = Vec::new(); |
| 228 | |
| 229 | for (segment, is_bold) in super::parse_rich_text_segments(text) { |
| 230 | let style = if is_bold { bold_style } else { base_style }; |
| 231 | spans.push(Span::styled(segment, style)); |
| 232 | } |
| 233 | |
| 234 | if spans.is_empty() { |
| 235 | spans.push(Span::styled(String::new(), base_style)); |
| 236 | } |
| 237 | |
| 238 | spans |
| 239 | } |
| 240 | |
| 241 | impl App { |
| 242 | fn new(load_model_name: String, backend: Arc<dyn InferenceBackend>) -> Self { |
| 243 | let is_remote = backend.is_remote(); |
| 244 | let items = build_model_picker_items(); |
| 245 | let tool_calling = items |
| 246 | .iter() |
| 247 | .find(|m| m.display_name == load_model_name) |
| 248 | .map(|m| m.tool_calling) |
| 249 | .unwrap_or(true); |
| 250 | // For a remote provider the passed-in name is authoritative; the |
| 251 | // persisted local selection must not override it (or the title would |
| 252 | // show an on-device model while requests go to the cloud). |
| 253 | let current_model_name = if is_remote { |
| 254 | load_model_name.clone() |
| 255 | } else { |
| 256 | crate::setup::load_selected_model_name().unwrap_or_else(|| load_model_name.clone()) |
| 257 | }; |
| 258 | Self { |
| 259 | messages: Vec::new(), |
| 260 | input: String::new(), |
| 261 | cursor: 0, |
| 262 | scroll_offset: 0, |
| 263 | stream_rx: None, |
| 264 | stream_buf: String::new(), |
| 265 | inference_rx: None, |
| 266 | model_load_rx: None, |
| 267 | thinking: false, |
| 268 | thinking_tick: 0, |
| 269 | quit: false, |
| 270 | blink_on: true, |
| 271 | blink_counter: 0, |
| 272 | switching_model: false, |
| 273 | pending_tool_calling: None, |
| 274 | model_load_cancelled: false, |
| 275 | switching_model_id: None, |
| 276 | download_progress: None, |
| 277 | is_loading: true, |
| 278 | load_tick: 0, |
| 279 | load_error: None, |
| 280 | load_start: Instant::now(), |
| 281 | load_model_name: load_model_name.clone(), |
| 282 | show_model_picker: false, |
| 283 | model_picker_index: 0, |
| 284 | model_picker_items: items, |
| 285 | current_model_name, |
| 286 | tool_calling, |
| 287 | backend, |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | fn is_busy(&self) -> bool { |
| 292 | self.is_streaming() || self.thinking || self.switching_model |
| 293 | } |
| 294 | |
| 295 | fn switching_frame(&self) -> &'static str { |
| 296 | let idx = (self.thinking_tick as usize) % THINKING_FRAMES.len(); |
| 297 | THINKING_FRAMES[idx] |
| 298 | } |
| 299 | |
| 300 | fn is_streaming(&self) -> bool { |
| 301 | self.stream_rx.is_some() |
| 302 | } |
| 303 | |
| 304 | fn finalize_stream(&mut self) { |
| 305 | self.stream_rx = None; |
| 306 | if !self.stream_buf.is_empty() { |
| 307 | let text = std::mem::take(&mut self.stream_buf); |
| 308 | self.messages.push(ChatMessage::assistant(text)); |
| 309 | } |
| 310 | self.blink_on = false; |
| 311 | } |
| 312 | |
| 313 | fn push_stream_delta(&mut self, delta: &str) { |
| 314 | self.stream_buf.push_str(delta); |
| 315 | self.blink_counter = self.blink_counter.wrapping_add(1); |
| 316 | self.blink_on = self.blink_counter % 4 < 2; |
| 317 | } |
| 318 | |
| 319 | fn start_thinking(&mut self) { |
| 320 | self.thinking = true; |
| 321 | self.thinking_tick = 0; |
| 322 | } |
| 323 | |
| 324 | fn stop_thinking(&mut self) { |
| 325 | self.thinking = false; |
| 326 | self.inference_rx = None; |
| 327 | } |
| 328 | |
| 329 | fn tick_thinking(&mut self) { |
| 330 | self.thinking_tick = self.thinking_tick.wrapping_add(1); |
| 331 | } |
| 332 | |
| 333 | fn thinking_frame(&self) -> &'static str { |
| 334 | let idx = (self.thinking_tick as usize) % THINKING_FRAMES.len(); |
| 335 | THINKING_FRAMES[idx] |
| 336 | } |
| 337 | |
| 338 | fn tick(&mut self) { |
| 339 | self.load_tick = self.load_tick.wrapping_add(1); |
| 340 | } |
| 341 | |
| 342 | /// check how much of the model has landed on disk so far |
| 343 | fn poll_download_progress(&mut self) { |
| 344 | let Some(ref model_id) = self.switching_model_id else { |
| 345 | return; |
| 346 | }; |
| 347 | let cache_path = onde::hf_cache::model_cache_path(model_id); |
| 348 | let downloaded = cache_path |
| 349 | .as_ref() |
| 350 | .filter(|p| p.exists()) |
| 351 | .map(|p| dir_size_recursive(p)) |
| 352 | .unwrap_or(0); |
| 353 | let expected = onde::inference::models::SUPPORTED_MODEL_INFO |
| 354 | .iter() |
| 355 | .find(|m| m.id == model_id.as_str()) |
| 356 | .map(|m| m.expected_size_bytes) |
| 357 | .unwrap_or(0); |
| 358 | self.download_progress = Some((downloaded, expected)); |
| 359 | } |
| 360 | |
| 361 | /// switch to chat phase and show the welcome banner |
| 362 | fn finish_loading(&mut self) { |
| 363 | self.is_loading = false; |
| 364 | for line in BANNER_ART.lines() { |
| 365 | self.messages.push(ChatMessage::banner(line)); |
| 366 | } |
| 367 | self.messages.push(ChatMessage::system("")); |
| 368 | self.messages.push(ChatMessage::system( |
| 369 | "In this world, nothing can be said to be certain, except death and taxes. ~ Pak Sigit", |
| 370 | )); |
| 371 | self.messages.push(ChatMessage::system(format!( |
| 372 | "Current model: {}", |
| 373 | self.current_model_name |
| 374 | ))); |
| 375 | self.messages |
| 376 | .push(ChatMessage::system("Type /help for commands.")); |
| 377 | } |
| 378 | |
| 379 | /// store the error but stay in loading view so the user can read it |
| 380 | fn set_load_error(&mut self, error: String) { |
| 381 | self.load_error = Some(error); |
| 382 | // is_loading stays true so render_loading() keeps rendering. |
| 383 | } |
| 384 | |
| 385 | fn open_model_picker(&mut self, engine: &ChatEngine) { |
| 386 | let current = crate::setup::load_selected_model(); |
| 387 | let current_name = crate::setup::load_selected_model_name().unwrap_or_else(|| { |
| 388 | futures::executor::block_on(engine.info()) |
| 389 | .model_name |
| 390 | .unwrap_or_else(|| self.current_model_name.clone()) |
| 391 | }); |
| 392 | |
| 393 | self.model_picker_items = build_model_picker_items(); |
| 394 | self.model_picker_index = current |
| 395 | .as_ref() |
| 396 | .and_then(|selected| { |
| 397 | self.model_picker_items.iter().position(|item| { |
| 398 | item.config.model_id == selected.model_id |
| 399 | && item |
| 400 | .config |
| 401 | .files |
| 402 | .iter() |
| 403 | .any(|file| file == &selected.gguf_file) |
| 404 | }) |
| 405 | }) |
| 406 | .or_else(|| { |
| 407 | self.model_picker_items |
| 408 | .iter() |
| 409 | .position(|item| item.display_name == current_name) |
| 410 | }) |
| 411 | .unwrap_or(0); |
| 412 | self.show_model_picker = true; |
| 413 | } |
| 414 | |
| 415 | fn close_model_picker(&mut self) { |
| 416 | self.show_model_picker = false; |
| 417 | } |
| 418 | |
| 419 | fn move_model_picker_up(&mut self) { |
| 420 | if self.model_picker_items.is_empty() { |
| 421 | return; |
| 422 | } |
| 423 | if self.model_picker_index == 0 { |
| 424 | self.model_picker_index = self.model_picker_items.len().saturating_sub(1); |
| 425 | } else { |
| 426 | self.model_picker_index -= 1; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | fn move_model_picker_down(&mut self) { |
| 431 | if self.model_picker_items.is_empty() { |
| 432 | return; |
| 433 | } |
| 434 | self.model_picker_index = (self.model_picker_index + 1) % self.model_picker_items.len(); |
| 435 | } |
| 436 | |
| 437 | /// rough line count for scroll math |
| 438 | fn total_message_lines(&self, width: u16) -> u16 { |
| 439 | if width == 0 { |
| 440 | return 0; |
| 441 | } |
| 442 | let w = width.saturating_sub(2) as usize; |
| 443 | let mut lines: u16 = 0; |
| 444 | for msg in &self.messages { |
| 445 | lines += wrapped_line_count(&msg.text, msg.role, w); |
| 446 | } |
| 447 | if !self.stream_buf.is_empty() { |
| 448 | lines += wrapped_line_count(&self.stream_buf, Role::Assistant, w); |
| 449 | } |
| 450 | if self.thinking || self.switching_model { |
| 451 | lines += 1; |
| 452 | } |
| 453 | lines |
| 454 | } |
| 455 | |
| 456 | fn auto_scroll(&mut self, visible_height: u16, width: u16) { |
| 457 | let total = self.total_message_lines(width); |
| 458 | if total > visible_height { |
| 459 | self.scroll_offset = total - visible_height; |
| 460 | } else { |
| 461 | self.scroll_offset = 0; |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | fn wrapped_line_count(text: &str, role: Role, width: usize) -> u16 { |
| 467 | let prefix_len = match role { |
| 468 | Role::User => 6, // "you > " |
| 469 | Role::Assistant => 8, // "siGit > " |
| 470 | Role::System | Role::Banner => 0, |
| 471 | }; |
| 472 | let effective = if width > prefix_len { |
| 473 | width - prefix_len |
| 474 | } else { |
| 475 | 1 |
| 476 | }; |
| 477 | |
| 478 | let mut count: u16 = 0; |
| 479 | for line in text.split('\n') { |
| 480 | if line.is_empty() { |
| 481 | count += 1; |
| 482 | } else { |
| 483 | count += ((line.len() as f64) / (effective as f64)).ceil() as u16; |
| 484 | } |
| 485 | } |
| 486 | count.max(1) |
| 487 | } |
| 488 | |
| 489 | // ── Model picker ───────────────────────────────────────────────────────── |
| 490 | // |
| 491 | // picker data types live in crate::models so Windows (ACP-only) can use them too |
| 492 | |
| 493 | fn render_model_picker(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 494 | let popup = centered_rect(82, 72, area); |
| 495 | |
| 496 | // clear the background so text doesn't bleed through |
| 497 | frame.render_widget(Clear, popup); |
| 498 | |
| 499 | let block = Block::default() |
| 500 | .title(" Select a model… ") |
| 501 | .borders(Borders::ALL) |
| 502 | .border_style(Style::default().fg(Color::DarkGray)) |
| 503 | .style(Style::default().bg(Color::Black)); |
| 504 | |
| 505 | let inner = block.inner(popup); |
| 506 | frame.render_widget(block, popup); |
| 507 | |
| 508 | let mut lines = Vec::new(); |
| 509 | let mut last_section: Option<ModelSource> = None; |
| 510 | |
| 511 | for (index, item) in app.model_picker_items.iter().enumerate() { |
| 512 | if last_section != Some(item.source) { |
| 513 | if last_section.is_some() { |
| 514 | lines.push(Line::from("").style(Style::default().bg(Color::Black))); |
| 515 | } |
| 516 | |
| 517 | let (section_mark, section_name, section_style) = match item.source { |
| 518 | ModelSource::Onde => ( |
| 519 | "◉", |
| 520 | "Onde Inference", |
| 521 | Style::default() |
| 522 | .fg(Color::Green) |
| 523 | .bg(Color::Black) |
| 524 | .add_modifier(Modifier::BOLD), |
| 525 | ), |
| 526 | ModelSource::HuggingFace => ( |
| 527 | "○", |
| 528 | "Hugging Face cache", |
| 529 | Style::default() |
| 530 | .fg(Color::Cyan) |
| 531 | .bg(Color::Black) |
| 532 | .add_modifier(Modifier::BOLD), |
| 533 | ), |
| 534 | ModelSource::Available => ( |
| 535 | "↓", |
| 536 | "Available for download", |
| 537 | Style::default() |
| 538 | .fg(Color::Blue) |
| 539 | .bg(Color::Black) |
| 540 | .add_modifier(Modifier::BOLD), |
| 541 | ), |
| 542 | ModelSource::Fallback => ( |
| 543 | "◎", |
| 544 | "Fallback", |
| 545 | Style::default() |
| 546 | .fg(Color::Yellow) |
| 547 | .bg(Color::Black) |
| 548 | .add_modifier(Modifier::BOLD), |
| 549 | ), |
| 550 | ModelSource::Cloud => ( |
| 551 | "☁", |
| 552 | "siGit Code Cloud", |
| 553 | Style::default() |
| 554 | .fg(Color::Magenta) |
| 555 | .bg(Color::Black) |
| 556 | .add_modifier(Modifier::BOLD), |
| 557 | ), |
| 558 | }; |
| 559 | |
| 560 | lines.push( |
| 561 | Line::from(vec![ |
| 562 | Span::styled(format!("{section_mark} "), section_style), |
| 563 | Span::styled(section_name, section_style), |
| 564 | ]) |
| 565 | .style(Style::default().bg(Color::Black)), |
| 566 | ); |
| 567 | last_section = Some(item.source); |
| 568 | } |
| 569 | |
| 570 | let selected = index == app.model_picker_index; |
| 571 | let current = item.display_name == app.current_model_name; |
| 572 | let marker = if selected { "› " } else { " " }; |
| 573 | let tool_badge = if item.tool_calling { |
| 574 | " ✓ tool calling" |
| 575 | } else { |
| 576 | "" |
| 577 | }; |
| 578 | let health_badge = match item.cache_health { |
| 579 | ModelCacheHealth::Complete => "", |
| 580 | ModelCacheHealth::Incomplete => " ! incomplete cache", |
| 581 | ModelCacheHealth::NotDownloaded => " ↓ download", |
| 582 | }; |
| 583 | let current_badge = if current { " ← current" } else { "" }; |
| 584 | let disabled_badge = match item.cache_health { |
| 585 | ModelCacheHealth::Complete | ModelCacheHealth::NotDownloaded => "", |
| 586 | ModelCacheHealth::Incomplete => " (unselectable)", |
| 587 | }; |
| 588 | let brand_mark = match item.source { |
| 589 | ModelSource::Onde => "◉", |
| 590 | ModelSource::HuggingFace => "○", |
| 591 | ModelSource::Available => "↓", |
| 592 | ModelSource::Fallback => "◎", |
| 593 | ModelSource::Cloud => "☁", |
| 594 | }; |
| 595 | let source = format!(" [{} {}]", brand_mark, item.source_label); |
| 596 | |
| 597 | let base_style = if selected { |
| 598 | Style::default().fg(Color::Black).bg(Color::Green) |
| 599 | } else { |
| 600 | Style::default().fg(Color::White).bg(Color::Black) |
| 601 | }; |
| 602 | |
| 603 | let source_style = if selected { |
| 604 | Style::default().fg(Color::Black).bg(Color::Green) |
| 605 | } else { |
| 606 | match item.source { |
| 607 | ModelSource::Onde => Style::default().fg(Color::Green).bg(Color::Black), |
| 608 | ModelSource::HuggingFace => Style::default().fg(Color::Cyan).bg(Color::Black), |
| 609 | ModelSource::Available => Style::default().fg(Color::Blue).bg(Color::Black), |
| 610 | ModelSource::Fallback => Style::default().fg(Color::Yellow).bg(Color::Black), |
| 611 | ModelSource::Cloud => Style::default().fg(Color::Magenta).bg(Color::Black), |
| 612 | } |
| 613 | }; |
| 614 | |
| 615 | let health_style = if selected { |
| 616 | Style::default().fg(Color::Red).bg(Color::Green) |
| 617 | } else { |
| 618 | Style::default().fg(Color::Red).bg(Color::Black) |
| 619 | }; |
| 620 | |
| 621 | lines.push(Line::from(vec![ |
| 622 | Span::styled( |
| 623 | format!("{marker}{} {}", item.display_name, item.description), |
| 624 | base_style, |
| 625 | ), |
| 626 | Span::styled( |
| 627 | tool_badge.to_string(), |
| 628 | if selected { |
| 629 | Style::default().fg(Color::Black).bg(Color::Green) |
| 630 | } else { |
| 631 | Style::default().fg(Color::Green).bg(Color::Black) |
| 632 | }, |
| 633 | ), |
| 634 | Span::styled(health_badge.to_string(), health_style), |
| 635 | Span::styled( |
| 636 | disabled_badge.to_string(), |
| 637 | if selected { |
| 638 | Style::default().fg(Color::Black).bg(Color::Green) |
| 639 | } else { |
| 640 | Style::default().fg(Color::DarkGray).bg(Color::Black) |
| 641 | }, |
| 642 | ), |
| 643 | Span::styled( |
| 644 | current_badge.to_string(), |
| 645 | if selected { |
| 646 | Style::default().fg(Color::Black).bg(Color::Green) |
| 647 | } else { |
| 648 | Style::default().fg(Color::Cyan).bg(Color::Black) |
| 649 | }, |
| 650 | ), |
| 651 | Span::styled(source, source_style), |
| 652 | ])); |
| 653 | } |
| 654 | |
| 655 | frame.render_widget( |
| 656 | Paragraph::new(lines) |
| 657 | .wrap(Wrap { trim: false }) |
| 658 | .style(Style::default().bg(Color::Black)), |
| 659 | inner, |
| 660 | ); |
| 661 | } |
| 662 | |
| 663 | fn centered_rect( |
| 664 | percent_x: u16, |
| 665 | percent_y: u16, |
| 666 | area: ratatui::layout::Rect, |
| 667 | ) -> ratatui::layout::Rect { |
| 668 | let vertical = Layout::vertical([ |
| 669 | Constraint::Percentage((100 - percent_y) / 2), |
| 670 | Constraint::Percentage(percent_y), |
| 671 | Constraint::Percentage((100 - percent_y) / 2), |
| 672 | ]) |
| 673 | .split(area); |
| 674 | |
| 675 | Layout::horizontal([ |
| 676 | Constraint::Percentage((100 - percent_x) / 2), |
| 677 | Constraint::Percentage(percent_x), |
| 678 | Constraint::Percentage((100 - percent_x) / 2), |
| 679 | ]) |
| 680 | .split(vertical[1])[1] |
| 681 | } |
| 682 | |
| 683 | // ── Slash commands ──────────────────────────────────────────────────────── |
| 684 | |
| 685 | enum SlashCommand { |
| 686 | Help, |
| 687 | Clear, |
| 688 | Status, |
| 689 | /// picker UI, or jump straight to model N |
| 690 | Models(Option<usize>), |
| 691 | /// `/login <email> <password>` — the raw argument, parsed when executed. |
| 692 | Login(Option<String>), |
| 693 | Logout, |
| 694 | Whoami, |
| 695 | Exit, |
| 696 | Unknown(String), |
| 697 | } |
| 698 | |
| 699 | fn parse_slash(input: &str) -> Option<SlashCommand> { |
| 700 | let trimmed = input.trim(); |
| 701 | if !trimmed.starts_with('/') { |
| 702 | return None; |
| 703 | } |
| 704 | let mut parts = trimmed.splitn(2, char::is_whitespace); |
| 705 | let cmd = parts.next().unwrap_or(""); |
| 706 | let arg = parts.next().map(|s| s.trim()); |
| 707 | Some(match cmd { |
| 708 | "/help" => SlashCommand::Help, |
| 709 | "/clear" => SlashCommand::Clear, |
| 710 | "/status" => SlashCommand::Status, |
| 711 | "/models" => SlashCommand::Models(arg.and_then(|s| s.parse::<usize>().ok())), |
| 712 | "/login" => SlashCommand::Login(arg.map(str::to_string)), |
| 713 | "/logout" => SlashCommand::Logout, |
| 714 | "/whoami" => SlashCommand::Whoami, |
| 715 | "/exit" | "/quit" | "/q" => SlashCommand::Exit, |
| 716 | other => SlashCommand::Unknown(other.to_string()), |
| 717 | }) |
| 718 | } |
| 719 | |
| 720 | // ── Rendering ───────────────────────────────────────────────────────────── |
| 721 | |
| 722 | fn render(frame: &mut Frame, app: &mut App) { |
| 723 | let area = frame.area(); |
| 724 | |
| 725 | if app.is_loading { |
| 726 | let zones = Layout::vertical([ |
| 727 | Constraint::Length(1), |
| 728 | Constraint::Min(1), |
| 729 | Constraint::Length(1), |
| 730 | ]) |
| 731 | .split(area); |
| 732 | render_loading_title(frame, app, zones[0]); |
| 733 | render_loading(frame, app, zones[1]); |
| 734 | render_loading_footer(frame, zones[2]); |
| 735 | return; |
| 736 | } |
| 737 | |
| 738 | let zones = Layout::vertical([ |
| 739 | Constraint::Length(1), |
| 740 | Constraint::Min(1), |
| 741 | Constraint::Length(3), |
| 742 | Constraint::Length(1), |
| 743 | ]) |
| 744 | .split(area); |
| 745 | |
| 746 | render_title(frame, app, zones[0]); |
| 747 | render_messages(frame, app, zones[1]); |
| 748 | render_input(frame, app, zones[2]); |
| 749 | render_footer(frame, app, zones[3]); |
| 750 | |
| 751 | if app.show_model_picker { |
| 752 | render_model_picker(frame, app, area); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | fn render_title(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 757 | let model_label = format!(" siGit — {} ", app.current_model_name); |
| 758 | let tool_label = if app.tool_calling { |
| 759 | " [tools on] " |
| 760 | } else { |
| 761 | " [tools off] " |
| 762 | }; |
| 763 | let line = Line::from(vec![ |
| 764 | Span::styled( |
| 765 | model_label, |
| 766 | Style::default() |
| 767 | .fg(Color::Black) |
| 768 | .bg(Color::Green) |
| 769 | .add_modifier(Modifier::BOLD), |
| 770 | ), |
| 771 | Span::styled( |
| 772 | tool_label, |
| 773 | Style::default().fg(Color::Black).bg(Color::DarkGray), |
| 774 | ), |
| 775 | ]); |
| 776 | frame.render_widget(Paragraph::new(line), area); |
| 777 | } |
| 778 | |
| 779 | fn render_loading_title(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 780 | const SPINNER: &[&str] = &["⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷"]; |
| 781 | let spin = SPINNER[(app.load_tick as usize) % SPINNER.len()]; |
| 782 | let label = format!(" siGit {} loading {}… ", spin, app.load_model_name); |
| 783 | let line = Line::from(Span::styled( |
| 784 | label, |
| 785 | Style::default() |
| 786 | .fg(Color::Black) |
| 787 | .bg(Color::Green) |
| 788 | .add_modifier(Modifier::BOLD), |
| 789 | )); |
| 790 | frame.render_widget(Paragraph::new(line), area); |
| 791 | } |
| 792 | |
| 793 | fn render_loading(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 794 | let elapsed = app.load_start.elapsed().as_secs(); |
| 795 | let elapsed_str = if elapsed < 60 { |
| 796 | format!("{}s", elapsed) |
| 797 | } else { |
| 798 | format!("{}m {}s", elapsed / 60, elapsed % 60) |
| 799 | }; |
| 800 | |
| 801 | let content = if let Some(ref err) = app.load_error { |
| 802 | format!( |
| 803 | "\n\n ✗ Failed to load model after {}.\n\n {}\n\n Press Ctrl+C to exit.", |
| 804 | elapsed_str, err |
| 805 | ) |
| 806 | } else { |
| 807 | format!( |
| 808 | "\n\n Loading model, please wait… ({})\n\n The model is being initialised. This may take a moment on first run.", |
| 809 | elapsed_str |
| 810 | ) |
| 811 | }; |
| 812 | |
| 813 | let style = if app.load_error.is_some() { |
| 814 | Style::default().fg(Color::Red) |
| 815 | } else { |
| 816 | Style::default().fg(Color::White) |
| 817 | }; |
| 818 | |
| 819 | frame.render_widget( |
| 820 | Paragraph::new(content) |
| 821 | .style(style) |
| 822 | .wrap(Wrap { trim: false }), |
| 823 | area, |
| 824 | ); |
| 825 | } |
| 826 | |
| 827 | fn render_loading_footer(frame: &mut Frame, area: ratatui::layout::Rect) { |
| 828 | let line = Line::from(vec![ |
| 829 | Span::styled(" Ctrl+C ", Style::default().fg(Color::Black).bg(Color::Red)), |
| 830 | Span::styled(" quit", Style::default().fg(Color::DarkGray)), |
| 831 | ]); |
| 832 | frame.render_widget(Paragraph::new(line), area); |
| 833 | } |
| 834 | |
| 835 | fn render_messages(frame: &mut Frame, app: &mut App, area: ratatui::layout::Rect) { |
| 836 | let inner_width = area.width.saturating_sub(2); |
| 837 | let inner_height = area.height.saturating_sub(2); |
| 838 | |
| 839 | app.auto_scroll(inner_height, area.width); |
| 840 | |
| 841 | let block = Block::default() |
| 842 | .borders(Borders::ALL) |
| 843 | .border_style(Style::default().fg(Color::DarkGray)); |
| 844 | |
| 845 | let inner = block.inner(area); |
| 846 | frame.render_widget(block, area); |
| 847 | |
| 848 | let mut lines: Vec<Line> = Vec::new(); |
| 849 | |
| 850 | for msg in &app.messages { |
| 851 | render_chat_message(&mut lines, msg, inner_width as usize); |
| 852 | } |
| 853 | |
| 854 | if !app.stream_buf.is_empty() { |
| 855 | let fake = ChatMessage { |
| 856 | role: Role::Assistant, |
| 857 | text: app.stream_buf.clone(), |
| 858 | think_block: None, |
| 859 | }; |
| 860 | render_chat_message(&mut lines, &fake, inner_width as usize); |
| 861 | if app.blink_on |
| 862 | && let Some(last) = lines.last_mut() |
| 863 | { |
| 864 | last.spans |
| 865 | .push(Span::styled("▋", Style::default().fg(Color::Green))); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | if app.thinking { |
| 870 | lines.push(Line::from(Span::styled( |
| 871 | format!(" {} thinking…", app.thinking_frame()), |
| 872 | Style::default().fg(Color::DarkGray), |
| 873 | ))); |
| 874 | } else if app.switching_model { |
| 875 | let frame_str = app.switching_frame(); |
| 876 | let progress_str = if let Some((downloaded, expected)) = app.download_progress { |
| 877 | if expected > 0 { |
| 878 | let pct = (downloaded as f64 / expected as f64 * 100.0).min(100.0) as u8; |
| 879 | let dl_str = format_size_human(downloaded); |
| 880 | let ex_str = format_size_human(expected); |
| 881 | format!(" — {dl_str} / {ex_str} ({pct}%)") |
| 882 | } else if downloaded > 0 { |
| 883 | format!(" — {} downloaded", format_size_human(downloaded)) |
| 884 | } else { |
| 885 | String::new() |
| 886 | } |
| 887 | } else { |
| 888 | String::new() |
| 889 | }; |
| 890 | lines.push(Line::from(Span::styled( |
| 891 | format!(" {frame_str} switching model{progress_str}…"), |
| 892 | Style::default().fg(Color::DarkGray), |
| 893 | ))); |
| 894 | } |
| 895 | |
| 896 | let total_lines = lines.len() as u16; |
| 897 | let scroll = if total_lines > inner_height { |
| 898 | app.scroll_offset.min(total_lines - inner_height) |
| 899 | } else { |
| 900 | 0 |
| 901 | }; |
| 902 | |
| 903 | frame.render_widget( |
| 904 | Paragraph::new(lines) |
| 905 | .scroll((scroll, 0)) |
| 906 | .wrap(Wrap { trim: false }), |
| 907 | inner, |
| 908 | ); |
| 909 | } |
| 910 | |
| 911 | fn render_chat_message(lines: &mut Vec<Line<'static>>, msg: &ChatMessage, _width: usize) { |
| 912 | match msg.role { |
| 913 | Role::Banner => { |
| 914 | let palette = [ |
| 915 | Color::Red, |
| 916 | Color::Yellow, |
| 917 | Color::Green, |
| 918 | Color::Cyan, |
| 919 | Color::Blue, |
| 920 | Color::Magenta, |
| 921 | ]; |
| 922 | let mut spans = Vec::new(); |
| 923 | for (i, ch) in msg.text.chars().enumerate() { |
| 924 | let color = palette[i % palette.len()]; |
| 925 | spans.push(Span::styled(ch.to_string(), Style::default().fg(color))); |
| 926 | } |
| 927 | lines.push(Line::from(spans)); |
| 928 | } |
| 929 | Role::System => { |
| 930 | for text_line in msg.text.split('\n') { |
| 931 | let trimmed = text_line.trim(); |
| 932 | let (prefix, body) = if trimmed.is_empty() { |
| 933 | ("", "") |
| 934 | } else { |
| 935 | (" · ", trimmed) |
| 936 | }; |
| 937 | |
| 938 | lines.push(Line::from(vec![ |
| 939 | Span::styled( |
| 940 | prefix.to_string(), |
| 941 | Style::default() |
| 942 | .fg(Color::Rgb(90, 90, 98)) |
| 943 | .add_modifier(Modifier::DIM), |
| 944 | ), |
| 945 | Span::styled( |
| 946 | body.to_string(), |
| 947 | Style::default() |
| 948 | .fg(Color::Rgb(132, 132, 145)) |
| 949 | .add_modifier(Modifier::ITALIC | Modifier::DIM), |
| 950 | ), |
| 951 | ])); |
| 952 | } |
| 953 | } |
| 954 | Role::User => { |
| 955 | let prefix = Span::styled( |
| 956 | "you > ".to_string(), |
| 957 | Style::default() |
| 958 | .fg(Color::Green) |
| 959 | .add_modifier(Modifier::BOLD), |
| 960 | ); |
| 961 | let mut first = true; |
| 962 | for text_line in msg.text.split('\n') { |
| 963 | if first { |
| 964 | lines.push(Line::from(vec![ |
| 965 | prefix.clone(), |
| 966 | Span::raw(text_line.to_string()), |
| 967 | ])); |
| 968 | first = false; |
| 969 | } else { |
| 970 | lines.push(Line::from(Span::raw(format!(" {text_line}")))); |
| 971 | } |
| 972 | } |
| 973 | } |
| 974 | Role::Assistant => { |
| 975 | if let Some(ref think) = msg.think_block { |
| 976 | lines.push(Line::from(Span::styled( |
| 977 | " ┌ thinking ".to_string(), |
| 978 | Style::default().fg(Color::DarkGray), |
| 979 | ))); |
| 980 | for think_line in think.split('\n') { |
| 981 | lines.push(Line::from(Span::styled( |
| 982 | format!(" │ {think_line}"), |
| 983 | Style::default().fg(Color::DarkGray), |
| 984 | ))); |
| 985 | } |
| 986 | lines.push(Line::from(Span::styled( |
| 987 | " └─────────".to_string(), |
| 988 | Style::default().fg(Color::DarkGray), |
| 989 | ))); |
| 990 | } |
| 991 | |
| 992 | let prefix = Span::styled( |
| 993 | "siGit > ".to_string(), |
| 994 | Style::default() |
| 995 | .fg(Color::Cyan) |
| 996 | .add_modifier(Modifier::BOLD), |
| 997 | ); |
| 998 | let body_style = Style::default(); |
| 999 | let bold_style = Style::default().add_modifier(Modifier::BOLD); |
| 1000 | let mut first = true; |
| 1001 | for text_line in msg.text.split('\n') { |
| 1002 | if first { |
| 1003 | let mut spans = vec![prefix.clone()]; |
| 1004 | spans.extend(rich_text_spans(text_line, body_style, bold_style)); |
| 1005 | lines.push(Line::from(spans)); |
| 1006 | first = false; |
| 1007 | } else { |
| 1008 | let mut spans = vec![Span::raw(" ".to_string())]; |
| 1009 | spans.extend(rich_text_spans(text_line, body_style, bold_style)); |
| 1010 | lines.push(Line::from(spans)); |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | fn render_input(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 1018 | let block = Block::default() |
| 1019 | .borders(Borders::ALL) |
| 1020 | .border_style(Style::default().fg(Color::DarkGray)) |
| 1021 | .title(" message "); |
| 1022 | |
| 1023 | let inner = block.inner(area); |
| 1024 | frame.render_widget(block, area); |
| 1025 | |
| 1026 | let display = app.input.clone(); |
| 1027 | frame.render_widget( |
| 1028 | Paragraph::new(display.clone()).wrap(Wrap { trim: false }), |
| 1029 | inner, |
| 1030 | ); |
| 1031 | |
| 1032 | let col = (app.cursor as u16) % inner.width; |
| 1033 | let row = (app.cursor as u16) / inner.width; |
| 1034 | frame.set_cursor_position(Position { |
| 1035 | x: inner.x + col, |
| 1036 | y: inner.y + row, |
| 1037 | }); |
| 1038 | } |
| 1039 | |
| 1040 | fn render_footer(frame: &mut Frame, app: &App, area: ratatui::layout::Rect) { |
| 1041 | let mut spans = vec![ |
| 1042 | Span::styled( |
| 1043 | " Enter ", |
| 1044 | Style::default().fg(Color::Black).bg(Color::Green), |
| 1045 | ), |
| 1046 | Span::styled(" send ", Style::default().fg(Color::DarkGray)), |
| 1047 | Span::styled( |
| 1048 | " /help ", |
| 1049 | Style::default().fg(Color::Black).bg(Color::DarkGray), |
| 1050 | ), |
| 1051 | Span::styled(" commands ", Style::default().fg(Color::DarkGray)), |
| 1052 | Span::styled(" Ctrl+C ", Style::default().fg(Color::Black).bg(Color::Red)), |
| 1053 | Span::styled(" quit", Style::default().fg(Color::DarkGray)), |
| 1054 | ]; |
| 1055 | |
| 1056 | if app.thinking || app.switching_model || app.is_streaming() { |
| 1057 | spans.push(Span::styled( |
| 1058 | " (busy — Ctrl+C to cancel)", |
| 1059 | Style::default().fg(Color::Yellow), |
| 1060 | )); |
| 1061 | } |
| 1062 | |
| 1063 | frame.render_widget(Paragraph::new(Line::from(spans)), area); |
| 1064 | } |
| 1065 | |
| 1066 | fn handle_key(app: &mut App, key: KeyEvent) -> Option<String> { |
| 1067 | if key.kind != KeyEventKind::Press { |
| 1068 | return None; |
| 1069 | } |
| 1070 | |
| 1071 | if app.show_model_picker { |
| 1072 | match key.code { |
| 1073 | KeyCode::Esc => { |
| 1074 | app.close_model_picker(); |
| 1075 | return None; |
| 1076 | } |
| 1077 | KeyCode::Up => { |
| 1078 | app.move_model_picker_up(); |
| 1079 | return None; |
| 1080 | } |
| 1081 | KeyCode::Down => { |
| 1082 | app.move_model_picker_down(); |
| 1083 | return None; |
| 1084 | } |
| 1085 | KeyCode::Enter => { |
| 1086 | return Some(format!("/models {}", app.model_picker_index + 1)); |
| 1087 | } |
| 1088 | _ => return None, |
| 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | match key.code { |
| 1093 | KeyCode::Char('c') if key.modifiers.contains(KeyModifiers::CONTROL) => { |
| 1094 | app.quit = true; |
| 1095 | None |
| 1096 | } |
| 1097 | KeyCode::Char('d') if key.modifiers.contains(KeyModifiers::CONTROL) => { |
| 1098 | app.quit = true; |
| 1099 | None |
| 1100 | } |
| 1101 | KeyCode::Enter => { |
| 1102 | if app.input.trim().is_empty() { |
| 1103 | return None; |
| 1104 | } |
| 1105 | let text = app.input.drain(..).collect::<String>(); |
| 1106 | app.cursor = 0; |
| 1107 | Some(text) |
| 1108 | } |
| 1109 | KeyCode::Backspace => { |
| 1110 | if app.cursor > 0 { |
| 1111 | app.cursor -= 1; |
| 1112 | app.input.remove(app.cursor); |
| 1113 | } |
| 1114 | None |
| 1115 | } |
| 1116 | KeyCode::Delete => { |
| 1117 | if app.cursor < app.input.len() { |
| 1118 | app.input.remove(app.cursor); |
| 1119 | } |
| 1120 | None |
| 1121 | } |
| 1122 | KeyCode::Left => { |
| 1123 | app.cursor = app.cursor.saturating_sub(1); |
| 1124 | None |
| 1125 | } |
| 1126 | KeyCode::Right => { |
| 1127 | if app.cursor < app.input.len() { |
| 1128 | app.cursor += 1; |
| 1129 | } |
| 1130 | None |
| 1131 | } |
| 1132 | KeyCode::Home => { |
| 1133 | app.cursor = 0; |
| 1134 | None |
| 1135 | } |
| 1136 | KeyCode::End => { |
| 1137 | app.cursor = app.input.len(); |
| 1138 | None |
| 1139 | } |
| 1140 | KeyCode::Char(ch) => { |
| 1141 | app.input.insert(app.cursor, ch); |
| 1142 | app.cursor += 1; |
| 1143 | None |
| 1144 | } |
| 1145 | _ => None, |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | // ── Slash command execution ─────────────────────────────────────────────── |
| 1150 | |
| 1151 | async fn exec_slash<B: ratatui::backend::Backend>( |
| 1152 | app: &mut App, |
| 1153 | cmd: SlashCommand, |
| 1154 | engine: Arc<ChatEngine>, |
| 1155 | terminal: &mut ratatui::Terminal<B>, |
| 1156 | ) { |
| 1157 | match cmd { |
| 1158 | SlashCommand::Help => { |
| 1159 | app.messages.push(ChatMessage::system( |
| 1160 | "/help — show this message\n\ |
| 1161 | /models — open the model picker\n\ |
| 1162 | /models N — switch to model N\n\ |
| 1163 | /login E P — sign in to siGit Code Cloud\n\ |
| 1164 | /logout — sign out\n\ |
| 1165 | /whoami — show the signed-in account\n\ |
| 1166 | /clear — wipe conversation history\n\ |
| 1167 | /status — show engine status\n\ |
| 1168 | /exit — quit chat", |
| 1169 | )); |
| 1170 | } |
| 1171 | SlashCommand::Clear => { |
| 1172 | let cleared = engine.clear_history().await; |
| 1173 | app.messages.clear(); |
| 1174 | app.scroll_offset = 0; |
| 1175 | app.messages.push(ChatMessage::system(format!( |
| 1176 | "Cleared {cleared} turn(s). History is empty.", |
| 1177 | ))); |
| 1178 | } |
| 1179 | SlashCommand::Status => { |
| 1180 | let info = engine.as_ref().info().await; |
| 1181 | let model = info.model_name.as_deref().unwrap_or("(none)"); |
| 1182 | let mem = info.approx_memory.as_deref().unwrap_or("unknown"); |
| 1183 | app.messages.push(ChatMessage::system(format!( |
| 1184 | "status: {:?} model: {} memory: {} history: {} turns", |
| 1185 | info.status, model, mem, info.history_length, |
| 1186 | ))); |
| 1187 | } |
| 1188 | SlashCommand::Models(selection) => match selection { |
| 1189 | None => { |
| 1190 | app.open_model_picker(&engine); |
| 1191 | } |
| 1192 | Some(n) => { |
| 1193 | let idx = n.saturating_sub(1); |
| 1194 | match app.model_picker_items.get(idx).cloned() { |
| 1195 | None => { |
| 1196 | app.messages.push(ChatMessage::system(format!( |
| 1197 | "error: no model #{n} — type /models to see the list." |
| 1198 | ))); |
| 1199 | } |
| 1200 | Some(model) => { |
| 1201 | // ── siGit Code Cloud tier: no local load; sign-in gated ── |
| 1202 | if let Some(tier) = model.cloud_tier.clone() { |
| 1203 | app.close_model_picker(); |
| 1204 | match crate::provider::cloud_tier_provider(&tier) { |
| 1205 | Some(provider) => { |
| 1206 | let system_prompt = |
| 1207 | crate::system_prompt_for_model(true).to_string(); |
| 1208 | app.backend = Arc::new(OpenAiBackend::new( |
| 1209 | provider.base_url, |
| 1210 | provider.api_key, |
| 1211 | provider.model, |
| 1212 | Some(system_prompt), |
| 1213 | )); |
| 1214 | app.current_model_name = provider.display_name.clone(); |
| 1215 | app.tool_calling = true; |
| 1216 | app.messages.push(ChatMessage::system(format!( |
| 1217 | "Switched to {}.", |
| 1218 | provider.display_name |
| 1219 | ))); |
| 1220 | } |
| 1221 | None => { |
| 1222 | app.messages.push(ChatMessage::system( |
| 1223 | "siGit Code Cloud needs an account. Use \ |
| 1224 | `/login <email> <password>`, or create one at sigit.si.", |
| 1225 | )); |
| 1226 | } |
| 1227 | } |
| 1228 | return; |
| 1229 | } |
| 1230 | |
| 1231 | if model.cache_health == ModelCacheHealth::Incomplete { |
| 1232 | app.close_model_picker(); |
| 1233 | app.messages.push(ChatMessage::system(format!( |
| 1234 | "error: {} has an incomplete local cache and cannot be selected yet.", |
| 1235 | model.display_name |
| 1236 | ))); |
| 1237 | return; |
| 1238 | } |
| 1239 | |
| 1240 | // Route inference on-device; the loader thread below |
| 1241 | // fills the engine the LocalBackend reads from. |
| 1242 | app.backend = Arc::new(LocalBackend::new(Arc::clone(&engine))); |
| 1243 | |
| 1244 | let loading_msg = if model.cache_health |
| 1245 | == ModelCacheHealth::NotDownloaded |
| 1246 | { |
| 1247 | format!( |
| 1248 | "Downloading and loading {} ({})… this may take a few minutes.", |
| 1249 | model.display_name, model.description |
| 1250 | ) |
| 1251 | } else { |
| 1252 | format!("Loading {}…", model.display_name) |
| 1253 | }; |
| 1254 | |
| 1255 | app.close_model_picker(); |
| 1256 | app.messages.push(ChatMessage::system(loading_msg)); |
| 1257 | terminal.draw(|frame| render(frame, app)).ok(); |
| 1258 | |
| 1259 | let (tx, rx) = mpsc::channel(1); |
| 1260 | app.model_load_rx = Some(rx); |
| 1261 | app.switching_model = true; |
| 1262 | app.switching_model_id = Some(model.config.model_id.clone()); |
| 1263 | // Only show download progress for models not yet cached. |
| 1264 | app.download_progress = |
| 1265 | if model.cache_health == ModelCacheHealth::NotDownloaded { |
| 1266 | Some((0, 0)) |
| 1267 | } else { |
| 1268 | None |
| 1269 | }; |
| 1270 | |
| 1271 | let sampling = SamplingConfig { |
| 1272 | max_tokens: Some(model.max_tokens), |
| 1273 | ..SamplingConfig::default() |
| 1274 | }; |
| 1275 | |
| 1276 | // own thread + runtime so block_in_place doesn't starve the TUI loop |
| 1277 | let system_prompt = crate::system_prompt_for_model(model.tool_calling); |
| 1278 | let engine_handle = Arc::clone(&engine); |
| 1279 | let tool_calling = model.tool_calling; |
| 1280 | std::thread::spawn(move || { |
| 1281 | let rt = tokio::runtime::Runtime::new() |
| 1282 | .expect("failed to create model-loader runtime"); |
| 1283 | let update = rt.block_on(async move { |
| 1284 | match engine_handle |
| 1285 | .load_gguf_model( |
| 1286 | model.config.clone(), |
| 1287 | Some(system_prompt.to_string()), |
| 1288 | Some(sampling), |
| 1289 | ) |
| 1290 | .await |
| 1291 | { |
| 1292 | Ok(_) => { |
| 1293 | ModelLoadUpdate::Loaded(model.display_name.clone()) |
| 1294 | } |
| 1295 | Err(err) => ModelLoadUpdate::Error(err.to_string()), |
| 1296 | } |
| 1297 | }); |
| 1298 | // capacity-1 channel, receiver alive while switching |
| 1299 | let _ = tx.blocking_send(update); |
| 1300 | }); |
| 1301 | // applied on ModelLoadUpdate::Loaded |
| 1302 | app.pending_tool_calling = Some(tool_calling); |
| 1303 | } |
| 1304 | } |
| 1305 | } |
| 1306 | }, |
| 1307 | SlashCommand::Login(arg) => { |
| 1308 | let message = match arg.as_deref().and_then(crate::account::parse_login_args) { |
| 1309 | Some((email, password)) => { |
| 1310 | match crate::account::authenticate(&email, &password).await { |
| 1311 | Ok(email) => format!( |
| 1312 | "Signed in as {email}. siGit Code Cloud applies to your next session." |
| 1313 | ), |
| 1314 | Err(error) => format!("Login failed: {error}"), |
| 1315 | } |
| 1316 | } |
| 1317 | None => "usage: /login <email> <password>".to_string(), |
| 1318 | }; |
| 1319 | app.messages.push(ChatMessage::system(message)); |
| 1320 | } |
| 1321 | SlashCommand::Logout => { |
| 1322 | let message = crate::account::end_session().await; |
| 1323 | app.messages.push(ChatMessage::system(message)); |
| 1324 | } |
| 1325 | SlashCommand::Whoami => { |
| 1326 | let message = crate::account::status_line().await; |
| 1327 | app.messages.push(ChatMessage::system(message)); |
| 1328 | } |
| 1329 | SlashCommand::Exit => { |
| 1330 | app.quit = true; |
| 1331 | } |
| 1332 | SlashCommand::Unknown(cmd) => { |
| 1333 | app.messages |
| 1334 | .push(ChatMessage::system(format!("unknown command: {cmd}"))); |
| 1335 | } |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | // ── Background inference task ───────────────────────────────────────────── |
| 1340 | |
| 1341 | /// cap tool rounds so a confused model can't loop forever |
| 1342 | const MAX_TOOL_ROUNDS: usize = 10; |
| 1343 | |
| 1344 | fn build_tool_specs() -> Vec<ToolSpec> { |
| 1345 | crate::tools::all_tools() |
| 1346 | .into_iter() |
| 1347 | .map(|t| ToolSpec { |
| 1348 | name: t.name.to_string(), |
| 1349 | description: t.description.to_string(), |
| 1350 | parameters_schema: t.parameters_schema.to_string(), |
| 1351 | }) |
| 1352 | .collect() |
| 1353 | } |
| 1354 | |
| 1355 | /// run the tool-calling loop off the main thread, posting updates via `tx`. |
| 1356 | /// dropping `tx` signals completion to the event loop. |
| 1357 | async fn run_inference_task( |
| 1358 | backend: Arc<dyn InferenceBackend>, |
| 1359 | text: String, |
| 1360 | tx: mpsc::Sender<InferenceUpdate>, |
| 1361 | tools_enabled: bool, |
| 1362 | ) { |
| 1363 | let tools = if tools_enabled { |
| 1364 | build_tool_specs() |
| 1365 | } else { |
| 1366 | vec![] |
| 1367 | }; |
| 1368 | |
| 1369 | let mut result = match backend.send_message_with_tools(&text, &tools).await { |
| 1370 | Ok(r) => r, |
| 1371 | Err(err) => { |
| 1372 | let _ = tx.send(InferenceUpdate::Error(err)).await; |
| 1373 | return; |
| 1374 | } |
| 1375 | }; |
| 1376 | |
| 1377 | let mut round = 0; |
| 1378 | |
| 1379 | while !result.tool_calls.is_empty() && round < MAX_TOOL_ROUNDS { |
| 1380 | round += 1; |
| 1381 | log::info!("tool round {} — {} call(s)", round, result.tool_calls.len()); |
| 1382 | |
| 1383 | let mut tool_results = Vec::new(); |
| 1384 | |
| 1385 | for tc in &result.tool_calls { |
| 1386 | log::info!( |
| 1387 | " → {}({})", |
| 1388 | tc.name, |
| 1389 | tc.arguments.chars().take(120).collect::<String>() |
| 1390 | ); |
| 1391 | |
| 1392 | let _ = tx.send(InferenceUpdate::ToolUse(tc.name.clone())).await; |
| 1393 | |
| 1394 | let output = crate::tools::execute_tool(&tc.name, &tc.arguments).await; |
| 1395 | log::info!(" ← {} chars", output.len()); |
| 1396 | |
| 1397 | tool_results.push(ToolResult { |
| 1398 | tool_call_id: tc.id.clone(), |
| 1399 | content: output, |
| 1400 | }); |
| 1401 | } |
| 1402 | |
| 1403 | // on the last round, pass no tools so the model must produce text |
| 1404 | let next_tools = if round < MAX_TOOL_ROUNDS { |
| 1405 | Some(tools.as_slice()) |
| 1406 | } else { |
| 1407 | None |
| 1408 | }; |
| 1409 | |
| 1410 | match backend.send_tool_results(tool_results, next_tools).await { |
| 1411 | Ok(r) => result = r, |
| 1412 | Err(err) => { |
| 1413 | let _ = tx.send(InferenceUpdate::Error(err)).await; |
| 1414 | return; |
| 1415 | } |
| 1416 | } |
| 1417 | } |
| 1418 | |
| 1419 | if result.tool_calls.is_empty() { |
| 1420 | if result.text.is_empty() { |
| 1421 | log::warn!( |
| 1422 | "model returned empty reply — may have exhausted max_tokens on thinking" |
| 1423 | ); |
| 1424 | let _ = tx |
| 1425 | .send(InferenceUpdate::Error( |
| 1426 | "(empty response — the model may have used all tokens on internal reasoning. \ |
| 1427 | Try a shorter or simpler prompt.)" |
| 1428 | .to_string(), |
| 1429 | )) |
| 1430 | .await; |
| 1431 | } else { |
| 1432 | let _ = tx.send(InferenceUpdate::Response(result.text)).await; |
| 1433 | } |
| 1434 | } |
| 1435 | |
| 1436 | log::info!("inference complete — {} tool round(s)", round); |
| 1437 | // tx drops here — event loop gets None from rx.recv() |
| 1438 | } |
| 1439 | |
| 1440 | // ── Main loop ───────────────────────────────────────────────────────────── |
| 1441 | |
| 1442 | /// entry point — blocks until the user quits. |
| 1443 | /// caller owns terminal init/restore. `load_rx` delivers the model-load result |
| 1444 | /// from a dedicated OS thread; we poll it non-blocking each tick. |
| 1445 | pub async fn run_with<B: ratatui::backend::Backend>( |
| 1446 | terminal: &mut ratatui::Terminal<B>, |
| 1447 | engine: Arc<ChatEngine>, |
| 1448 | backend: Arc<dyn InferenceBackend>, |
| 1449 | load_rx: std_mpsc::Receiver<Result<(), String>>, |
| 1450 | load_model_name: String, |
| 1451 | ) -> Result<()> { |
| 1452 | event_loop(terminal, engine, backend, load_rx, load_model_name).await |
| 1453 | } |
| 1454 | |
| 1455 | async fn event_loop<B: ratatui::backend::Backend>( |
| 1456 | terminal: &mut ratatui::Terminal<B>, |
| 1457 | engine: Arc<ChatEngine>, |
| 1458 | backend: Arc<dyn InferenceBackend>, |
| 1459 | load_rx: std_mpsc::Receiver<Result<(), String>>, |
| 1460 | load_model_name: String, |
| 1461 | ) -> Result<()> { |
| 1462 | let mut app = App::new(load_model_name, backend); |
| 1463 | let mut event_stream = EventStream::new(); |
| 1464 | |
| 1465 | // 10 fps is plenty for spinners |
| 1466 | let mut ticker = interval(Duration::from_millis(100)); |
| 1467 | |
| 1468 | loop { |
| 1469 | // ── Poll the loader channel (non-blocking) ──────────────────────── |
| 1470 | if app.is_loading { |
| 1471 | match load_rx.try_recv() { |
| 1472 | Ok(Ok(())) => app.finish_loading(), |
| 1473 | Ok(Err(e)) => app.set_load_error(e), |
| 1474 | Err(std_mpsc::TryRecvError::Empty) => {} |
| 1475 | Err(std_mpsc::TryRecvError::Disconnected) => { |
| 1476 | app.set_load_error("Model loader thread crashed.".to_string()); |
| 1477 | } |
| 1478 | } |
| 1479 | } |
| 1480 | |
| 1481 | // redraw every iteration |
| 1482 | terminal.draw(|frame| render(frame, &mut app))?; |
| 1483 | |
| 1484 | if let Some(rx) = app.model_load_rx.as_mut() { |
| 1485 | match rx.try_recv() { |
| 1486 | Ok(ModelLoadUpdate::Loaded(model_name)) => { |
| 1487 | engine.clear_history().await; |
| 1488 | if let Some(tc) = app.pending_tool_calling.take() { |
| 1489 | app.tool_calling = tc; |
| 1490 | } |
| 1491 | app.switching_model = false; |
| 1492 | app.switching_model_id = None; |
| 1493 | app.download_progress = None; |
| 1494 | app.model_load_cancelled = false; |
| 1495 | app.model_load_rx = None; |
| 1496 | app.current_model_name = model_name.clone(); |
| 1497 | |
| 1498 | let save_result = app |
| 1499 | .model_picker_items |
| 1500 | .iter() |
| 1501 | .find(|item| item.display_name == model_name) |
| 1502 | .map(|item| crate::setup::SelectedModel { |
| 1503 | model_id: item.config.model_id.clone(), |
| 1504 | gguf_file: item |
| 1505 | .config |
| 1506 | .files |
| 1507 | .first() |
| 1508 | .cloned() |
| 1509 | .unwrap_or_else(String::new), |
| 1510 | }) |
| 1511 | .filter(|selected| !selected.gguf_file.is_empty()) |
| 1512 | .map(|selected| crate::setup::save_selected_model(&selected)) |
| 1513 | .unwrap_or_else(|| { |
| 1514 | Err(format!( |
| 1515 | "could not determine a stable identifier for {}", |
| 1516 | model_name |
| 1517 | )) |
| 1518 | }); |
| 1519 | |
| 1520 | if let Err(error) = save_result { |
| 1521 | app.messages.push(ChatMessage::system(format!( |
| 1522 | "warning: switched to {} but could not save the selection: {}", |
| 1523 | model_name, error |
| 1524 | ))); |
| 1525 | } else { |
| 1526 | app.messages |
| 1527 | .push(ChatMessage::system(format!("✓ Switched to {}", model_name))); |
| 1528 | } |
| 1529 | } |
| 1530 | Ok(ModelLoadUpdate::Error(error)) => { |
| 1531 | app.switching_model = false; |
| 1532 | app.switching_model_id = None; |
| 1533 | app.download_progress = None; |
| 1534 | app.model_load_cancelled = false; |
| 1535 | app.model_load_rx = None; |
| 1536 | app.messages |
| 1537 | .push(ChatMessage::system(format!("error loading model: {error}"))); |
| 1538 | } |
| 1539 | Err(tokio::sync::mpsc::error::TryRecvError::Empty) => {} |
| 1540 | Err(tokio::sync::mpsc::error::TryRecvError::Disconnected) => { |
| 1541 | let was_cancelled = app.model_load_cancelled; |
| 1542 | app.switching_model = false; |
| 1543 | app.switching_model_id = None; |
| 1544 | app.download_progress = None; |
| 1545 | app.model_load_cancelled = false; |
| 1546 | app.model_load_rx = None; |
| 1547 | if !was_cancelled { |
| 1548 | app.messages.push(ChatMessage::system( |
| 1549 | "error loading model: loader task disconnected".to_string(), |
| 1550 | )); |
| 1551 | } |
| 1552 | } |
| 1553 | } |
| 1554 | } |
| 1555 | |
| 1556 | if app.quit { |
| 1557 | break; |
| 1558 | } |
| 1559 | |
| 1560 | // multiplex terminal events, streaming tokens, inference updates, |
| 1561 | // and the thinking-spinner timer. |
| 1562 | tokio::select! { |
| 1563 | biased; |
| 1564 | |
| 1565 | // ── Spinner tick (loading phase only) ───────────────────────── |
| 1566 | _ = ticker.tick(), if app.is_loading => { |
| 1567 | app.tick(); |
| 1568 | } |
| 1569 | |
| 1570 | // ── Streaming LLM tokens ────────────────────────────────────── |
| 1571 | chunk = async { |
| 1572 | match app.stream_rx.as_mut() { |
| 1573 | Some(rx) => rx.recv().await, |
| 1574 | None => pending().await, |
| 1575 | } |
| 1576 | } => { |
| 1577 | match chunk { |
| 1578 | Some(chunk) => { |
| 1579 | if !chunk.delta.is_empty() { |
| 1580 | app.push_stream_delta(&chunk.delta); |
| 1581 | } |
| 1582 | if chunk.done { |
| 1583 | app.finalize_stream(); |
| 1584 | } |
| 1585 | } |
| 1586 | // sender dropped without done=true |
| 1587 | None => { |
| 1588 | app.finalize_stream(); |
| 1589 | } |
| 1590 | } |
| 1591 | } |
| 1592 | |
| 1593 | // ── inference updates from background task ─────────────────── |
| 1594 | update = async { |
| 1595 | match app.inference_rx.as_mut() { |
| 1596 | Some(rx) => rx.recv().await, |
| 1597 | None => pending().await, |
| 1598 | } |
| 1599 | } => { |
| 1600 | match update { |
| 1601 | Some(InferenceUpdate::ToolUse(name)) => { |
| 1602 | app.messages.push(ChatMessage::system(format!("🔧 {name}"))); |
| 1603 | } |
| 1604 | Some(InferenceUpdate::Response(text)) => { |
| 1605 | app.stop_thinking(); |
| 1606 | app.messages.push(ChatMessage::assistant(text)); |
| 1607 | } |
| 1608 | Some(InferenceUpdate::Error(msg)) => { |
| 1609 | app.stop_thinking(); |
| 1610 | app.messages.push(ChatMessage::system(format!("error: {msg}"))); |
| 1611 | } |
| 1612 | None => { |
| 1613 | // task finished, possibly with no text to show |
| 1614 | app.stop_thinking(); |
| 1615 | } |
| 1616 | } |
| 1617 | } |
| 1618 | |
| 1619 | // ── thinking / switching spinner tick (100ms) ──────────────── |
| 1620 | _ = async { |
| 1621 | if app.thinking || app.switching_model { |
| 1622 | tokio::time::sleep(Duration::from_millis(100)).await |
| 1623 | } else { |
| 1624 | pending().await |
| 1625 | } |
| 1626 | } => { |
| 1627 | app.tick_thinking(); |
| 1628 | // keep the progress display fresh |
| 1629 | if app.switching_model { |
| 1630 | app.poll_download_progress(); |
| 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | // ── Terminal events ─────────────────────────────────────────── |
| 1635 | maybe_event = event_stream.next() => { |
| 1636 | let Some(Ok(event)) = maybe_event else { |
| 1637 | break; |
| 1638 | }; |
| 1639 | |
| 1640 | if let Event::Key(key) = event { |
| 1641 | // loading phase — only quit keys work |
| 1642 | if app.is_loading { |
| 1643 | if key.kind == KeyEventKind::Press { |
| 1644 | let ctrl = key.modifiers.contains(KeyModifiers::CONTROL); |
| 1645 | if ctrl |
| 1646 | && (key.code == KeyCode::Char('c') |
| 1647 | || key.code == KeyCode::Char('d')) |
| 1648 | { |
| 1649 | app.quit = true; |
| 1650 | } |
| 1651 | } |
| 1652 | continue; |
| 1653 | } |
| 1654 | |
| 1655 | // busy — only cancel keys work |
| 1656 | if app.is_busy() { |
| 1657 | if key.kind == KeyEventKind::Press { |
| 1658 | let ctrl = key.modifiers.contains(KeyModifiers::CONTROL); |
| 1659 | if ctrl && (key.code == KeyCode::Char('c') || key.code == KeyCode::Char('d')) { |
| 1660 | if app.is_streaming() { |
| 1661 | app.finalize_stream(); |
| 1662 | app.messages.push(ChatMessage::system("(cancelled)")); |
| 1663 | } |
| 1664 | if app.thinking { |
| 1665 | // dropping rx kills the background task |
| 1666 | app.stop_thinking(); |
| 1667 | app.messages.push(ChatMessage::system("(cancelled)")); |
| 1668 | } |
| 1669 | if app.switching_model { |
| 1670 | // flag before drop so Disconnected handler stays quiet |
| 1671 | app.model_load_cancelled = true; |
| 1672 | app.switching_model = false; |
| 1673 | app.switching_model_id = None; |
| 1674 | app.download_progress = None; |
| 1675 | app.model_load_rx = None; |
| 1676 | app.messages |
| 1677 | .push(ChatMessage::system("(download cancelled — model switch aborted)")); |
| 1678 | } |
| 1679 | } |
| 1680 | } |
| 1681 | continue; |
| 1682 | } |
| 1683 | |
| 1684 | if let Some(text) = handle_key(&mut app, key) { |
| 1685 | if let Some(cmd) = parse_slash(&text) { |
| 1686 | exec_slash(&mut app, cmd, Arc::clone(&engine), terminal).await; |
| 1687 | continue; |
| 1688 | } |
| 1689 | |
| 1690 | // ── spawn inference ────────────────────────────── |
| 1691 | app.messages.push(ChatMessage::user(&text)); |
| 1692 | app.start_thinking(); |
| 1693 | |
| 1694 | let (tx, rx) = mpsc::channel::<InferenceUpdate>(64); |
| 1695 | app.inference_rx = Some(rx); |
| 1696 | |
| 1697 | let backend_handle = Arc::clone(&app.backend); |
| 1698 | let user_text = text.clone(); |
| 1699 | let tools_enabled = app.tool_calling; |
| 1700 | tokio::spawn(async move { |
| 1701 | run_inference_task(backend_handle, user_text, tx, tools_enabled).await; |
| 1702 | }); |
| 1703 | } |
| 1704 | } |
| 1705 | } |
| 1706 | } |
| 1707 | } |
| 1708 | |
| 1709 | Ok(()) |
| 1710 | } |
| 1711 | |
| 1712 | // ── Download progress helpers (TUI) ────────────────────────────────────── |
| 1713 | |
| 1714 | /// total bytes under `path`, following symlinks (hf-hub uses blobs + symlinks) |
| 1715 | fn dir_size_recursive(path: &std::path::Path) -> u64 { |
| 1716 | let mut total: u64 = 0; |
| 1717 | let Ok(entries) = std::fs::read_dir(path) else { |
| 1718 | return 0; |
| 1719 | }; |
| 1720 | for entry in entries.flatten() { |
| 1721 | let entry_path = entry.path(); |
| 1722 | if entry_path.is_dir() { |
| 1723 | total += dir_size_recursive(&entry_path); |
| 1724 | } else if let Ok(meta) = entry_path.metadata() { |
| 1725 | total += meta.len(); |
| 1726 | } |
| 1727 | } |
| 1728 | total |
| 1729 | } |
| 1730 | |
| 1731 | fn format_size_human(bytes: u64) -> String { |
| 1732 | const GB: u64 = 1_073_741_824; |
| 1733 | const MB: u64 = 1_048_576; |
| 1734 | const KB: u64 = 1_024; |
| 1735 | if bytes >= GB { |
| 1736 | format!("{:.2} GB", bytes as f64 / GB as f64) |
| 1737 | } else if bytes >= MB { |
| 1738 | format!("{:.1} MB", bytes as f64 / MB as f64) |
| 1739 | } else if bytes >= KB { |
| 1740 | format!("{:.0} KB", bytes as f64 / KB as f64) |
| 1741 | } else { |
| 1742 | format!("{bytes} B") |
| 1743 | } |
| 1744 | } |
| 1745 | } // end #[cfg(unix)] mod tui |
| 1746 | |
| 1747 | // re-export so callers write `chat::run_with(...)` on all platforms |
| 1748 | #[cfg(unix)] |
| 1749 | pub use tui::run_with; |
| 1750 | |
| 1751 | // ── Tests (platform-agnostic) ───────────────────────────────────────────────── |
| 1752 | |
| 1753 | #[cfg(test)] |
| 1754 | mod tests { |
| 1755 | use super::{parse_rich_text_segments, strip_think_blocks}; |
| 1756 | |
| 1757 | #[test] |
| 1758 | fn strip_think_blocks_separates_thinking_and_visible_reply() { |
| 1759 | let raw = "<think>I should inspect the code first.</think>Here is the fix."; |
| 1760 | let (thinking, visible) = strip_think_blocks(raw); |
| 1761 | |
| 1762 | assert_eq!(thinking, "I should inspect the code first."); |
| 1763 | assert_eq!(visible, "Here is the fix."); |
| 1764 | } |
| 1765 | |
| 1766 | #[test] |
| 1767 | fn strip_think_blocks_handles_unclosed_think_block() { |
| 1768 | let raw = "<think>I am still reasoning about the bug"; |
| 1769 | let (thinking, visible) = strip_think_blocks(raw); |
| 1770 | |
| 1771 | assert_eq!(thinking, "I am still reasoning about the bug"); |
| 1772 | assert_eq!(visible, ""); |
| 1773 | } |
| 1774 | |
| 1775 | #[test] |
| 1776 | fn strip_think_blocks_leaves_plain_text_untouched() { |
| 1777 | let raw = "No hidden reasoning here."; |
| 1778 | let (thinking, visible) = strip_think_blocks(raw); |
| 1779 | |
| 1780 | assert_eq!(thinking, ""); |
| 1781 | assert_eq!(visible, "No hidden reasoning here."); |
| 1782 | } |
| 1783 | |
| 1784 | #[test] |
| 1785 | fn parse_rich_text_segments_marks_bold_runs() { |
| 1786 | let segments = parse_rich_text_segments( |
| 1787 | "The current weather is **72°F** with **Partly Cloudy** conditions.", |
| 1788 | ); |
| 1789 | |
| 1790 | assert_eq!( |
| 1791 | segments, |
| 1792 | vec![ |
| 1793 | ("The current weather is ".to_string(), false), |
| 1794 | ("72°F".to_string(), true), |
| 1795 | (" with ".to_string(), false), |
| 1796 | ("Partly Cloudy".to_string(), true), |
| 1797 | (" conditions.".to_string(), false), |
| 1798 | ] |
| 1799 | ); |
| 1800 | } |
| 1801 | |
| 1802 | #[test] |
| 1803 | fn parse_rich_text_segments_treats_unclosed_marker_as_bold_to_end() { |
| 1804 | let segments = parse_rich_text_segments("Prefix **bold"); |
| 1805 | |
| 1806 | assert_eq!( |
| 1807 | segments, |
| 1808 | vec![("Prefix ".to_string(), false), ("bold".to_string(), true),] |
| 1809 | ); |
| 1810 | } |
| 1811 | } |