| 1 | //! Agent focus — one child's full conversation takes over the main |
| 2 | //! transcript area and the composer addresses that child's fork. |
| 3 | //! |
| 4 | //! Selecting a worker anywhere it is listed (the Agents rail panel, the |
| 5 | //! sub-agent cards, `/agents`) focuses it: the transcript area shows the |
| 6 | //! child's complete chat rendered with the same history cells as the main |
| 7 | //! conversation and scrolls the same way, the focused rail row carries a |
| 8 | //! left-edge marker, and the composer grows a chip naming the worker so it is |
| 9 | //! unmistakable that the next message goes to *that* fork. Esc on an empty |
| 10 | //! composer returns to the main conversation. |
| 11 | //! |
| 12 | //! Follow-ups are real runtime work, never a UI illusion: a running child |
| 13 | //! receives the text on its live input channel; an interrupted or completed |
| 14 | //! child is continued from its checkpoint on a new fork (the terminal record |
| 15 | //! is an immutable receipt), and focus follows the fork. Failed and cancelled |
| 16 | //! children answer with the exact reason they cannot continue. |
| 17 | |
| 18 | use std::time::{Duration, Instant}; |
| 19 | |
| 20 | use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; |
| 21 | use ratatui::{ |
| 22 | buffer::Buffer, |
| 23 | layout::Rect, |
| 24 | style::{Modifier, Style}, |
| 25 | text::{Line, Span}, |
| 26 | widgets::{Paragraph, Widget}, |
| 27 | }; |
| 28 | |
| 29 | use crate::tools::subagent::SubAgentStatus; |
| 30 | use crate::tui::app::App; |
| 31 | use crate::tui::history::{HistoryCell, history_cells_from_message}; |
| 32 | use codewhale_localization::MessageId; |
| 33 | use codewhale_models::Message; |
| 34 | |
| 35 | /// How often the focused transcript re-reads the child's durable artifact. |
| 36 | /// The rail's live activity line already ticks per event; the full chat only |
| 37 | /// needs to catch up at a human cadence. |
| 38 | const REFRESH_INTERVAL: Duration = Duration::from_millis(400); |
| 39 | |
| 40 | /// Focus state for one child. |
| 41 | #[derive(Debug, Clone)] |
| 42 | pub struct AgentFocus { |
| 43 | /// The worker whose fork the composer addresses. |
| 44 | pub agent_id: String, |
| 45 | /// Stable user-facing name (dispatch name, generated whale, or label). |
| 46 | pub label: String, |
| 47 | /// The child's transcript rendered as ordinary history cells. |
| 48 | pub cells: Vec<HistoryCell>, |
| 49 | /// Number of source messages the cells were built from. |
| 50 | pub source_message_count: usize, |
| 51 | /// Messages omitted from the resident tail (durable artifact absent). |
| 52 | pub omitted_messages: usize, |
| 53 | /// Local receipts appended after the source transcript: the user's own |
| 54 | /// follow-ups echoed immediately and delivery notes. |
| 55 | pub local_cells: Vec<HistoryCell>, |
| 56 | /// Scroll position from the top in visual lines; `None` follows the tail. |
| 57 | pub scroll_top: Option<usize>, |
| 58 | /// Last visible-line count, so paging keys move a screen at a time. |
| 59 | pub last_visible: usize, |
| 60 | /// Last total line count after wrapping (for scrollbar/clamping). |
| 61 | pub last_total: usize, |
| 62 | /// Number of permission receipts folded into `cells`, so a new receipt |
| 63 | /// on an unchanged message count still triggers a rebuild. |
| 64 | receipt_count: usize, |
| 65 | last_refresh: Instant, |
| 66 | } |
| 67 | |
| 68 | impl AgentFocus { |
| 69 | fn new(agent_id: String, label: String) -> Self { |
| 70 | Self { |
| 71 | agent_id, |
| 72 | label, |
| 73 | cells: Vec::new(), |
| 74 | source_message_count: 0, |
| 75 | omitted_messages: 0, |
| 76 | local_cells: Vec::new(), |
| 77 | scroll_top: None, |
| 78 | last_visible: 0, |
| 79 | last_total: 0, |
| 80 | receipt_count: 0, |
| 81 | last_refresh: Instant::now() - REFRESH_INTERVAL, |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | /// Whether the given agent is the focused one. |
| 86 | pub fn is(&self, agent_id: &str) -> bool { |
| 87 | self.agent_id == agent_id |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /// Load a child's transcript messages: the durable on-disk artifact first |
| 92 | /// (the whole chat), else the bounded resident handle. Returns the messages and |
| 93 | /// how many earlier messages the resident tail omitted. |
| 94 | pub(crate) fn resolve_agent_transcript_messages( |
| 95 | app: &App, |
| 96 | agent_id: &str, |
| 97 | ) -> (Vec<Message>, usize) { |
| 98 | if let Ok(messages) = |
| 99 | crate::tools::subagent::load_subagent_transcript_artifact(&app.workspace, agent_id) |
| 100 | && !messages.is_empty() |
| 101 | { |
| 102 | return (messages, 0); |
| 103 | } |
| 104 | use crate::tools::handle::{HandleValue, VarHandle}; |
| 105 | let lookup = VarHandle { |
| 106 | kind: "var_handle".to_string(), |
| 107 | session_id: format!("agent:{agent_id}"), |
| 108 | name: "full_transcript".to_string(), |
| 109 | type_name: String::new(), |
| 110 | length: 0, |
| 111 | repr_preview: String::new(), |
| 112 | sha256: String::new(), |
| 113 | }; |
| 114 | let Ok(store) = app.runtime_services.handle_store.try_lock() else { |
| 115 | return (Vec::new(), 0); |
| 116 | }; |
| 117 | let Some(record) = store.get(&lookup) else { |
| 118 | return (Vec::new(), 0); |
| 119 | }; |
| 120 | let HandleValue::Json(payload) = &record.value else { |
| 121 | return (Vec::new(), 0); |
| 122 | }; |
| 123 | let omitted = payload |
| 124 | .get("omitted_messages") |
| 125 | .and_then(serde_json::Value::as_u64) |
| 126 | .and_then(|value| usize::try_from(value).ok()) |
| 127 | .unwrap_or(0); |
| 128 | let messages = payload |
| 129 | .get("messages") |
| 130 | .and_then(serde_json::Value::as_array) |
| 131 | .map(|raw| { |
| 132 | raw.iter() |
| 133 | .filter_map(|value| serde_json::from_value::<Message>(value.clone()).ok()) |
| 134 | .collect::<Vec<_>>() |
| 135 | }) |
| 136 | .unwrap_or_default(); |
| 137 | (messages, omitted) |
| 138 | } |
| 139 | |
| 140 | /// The same name the rail shows for a worker: its dispatch/session name when |
| 141 | /// it has one, else the generated or labelled display name. |
| 142 | pub(crate) fn agent_display_label(app: &App, agent_id: &str) -> String { |
| 143 | app.subagent_cache |
| 144 | .iter() |
| 145 | .find(|agent| agent.agent_id == agent_id) |
| 146 | .and_then(crate::tui::sidebar::dispatched_agent_name) |
| 147 | .map(str::to_string) |
| 148 | .unwrap_or_else(|| crate::tui::agent_details::safe_agent_display_name(app, agent_id)) |
| 149 | } |
| 150 | |
| 151 | /// Render a child's messages as history cells, folding in the permission |
| 152 | /// receipts recorded for that child: each receipt lands right after the |
| 153 | /// message that carries the tool's result (or, while the call is still |
| 154 | /// running, after the tool-use block itself), so a decision reads in place. |
| 155 | fn cells_for_messages(messages: &[Message], receipts: &[(String, String)]) -> Vec<HistoryCell> { |
| 156 | use codewhale_models::ContentBlock; |
| 157 | let mut resulted: std::collections::HashSet<&str> = std::collections::HashSet::new(); |
| 158 | for message in messages { |
| 159 | for block in &message.content { |
| 160 | if let ContentBlock::ToolResult { tool_use_id, .. } = block { |
| 161 | resulted.insert(tool_use_id.as_str()); |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | let mut cells = Vec::new(); |
| 166 | for message in messages { |
| 167 | cells.extend(history_cells_from_message(message)); |
| 168 | for block in &message.content { |
| 169 | let anchor = match block { |
| 170 | ContentBlock::ToolResult { tool_use_id, .. } => Some(tool_use_id.as_str()), |
| 171 | ContentBlock::ToolUse { id, .. } if !resulted.contains(id.as_str()) => { |
| 172 | Some(id.as_str()) |
| 173 | } |
| 174 | _ => None, |
| 175 | }; |
| 176 | let Some(anchor) = anchor else { continue }; |
| 177 | for (tool_id, text) in receipts { |
| 178 | if tool_id == anchor { |
| 179 | cells.push(HistoryCell::System { |
| 180 | content: text.clone(), |
| 181 | }); |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | cells |
| 187 | } |
| 188 | |
| 189 | fn child_receipts<'a>(app: &'a App, agent_id: &str) -> &'a [(String, String)] { |
| 190 | app.child_gate_receipts |
| 191 | .get(agent_id) |
| 192 | .map_or(&[], Vec::as_slice) |
| 193 | } |
| 194 | |
| 195 | /// Focus a child: its full transcript owns the main area and the composer |
| 196 | /// addresses its fork. Re-focusing the same child is a no-op that keeps the |
| 197 | /// scroll position; focusing another child replaces the focus. |
| 198 | pub(crate) fn focus_agent(app: &mut App, agent_id: &str) { |
| 199 | if app |
| 200 | .agent_focus |
| 201 | .as_ref() |
| 202 | .is_some_and(|focus| focus.is(agent_id)) |
| 203 | { |
| 204 | app.needs_redraw = true; |
| 205 | return; |
| 206 | } |
| 207 | let label = agent_display_label(app, agent_id); |
| 208 | let mut focus = AgentFocus::new(agent_id.to_string(), label.clone()); |
| 209 | let (messages, omitted) = resolve_agent_transcript_messages(app, agent_id); |
| 210 | let receipts = child_receipts(app, agent_id); |
| 211 | focus.cells = cells_for_messages(&messages, receipts); |
| 212 | focus.receipt_count = receipts.len(); |
| 213 | focus.source_message_count = messages.len(); |
| 214 | focus.omitted_messages = omitted; |
| 215 | focus.last_refresh = Instant::now(); |
| 216 | app.agent_focus = Some(focus); |
| 217 | // The composer is now the natural owner: the next keys address the |
| 218 | // worker, and Esc leaves focus rather than the rail. |
| 219 | crate::tui::work_surface::release_focus(app); |
| 220 | app.scroll_to_bottom(); |
| 221 | let status = app |
| 222 | .tr(MessageId::AgentFocusOpened) |
| 223 | .replace("{agent}", &label); |
| 224 | app.status_message = Some(status.clone()); |
| 225 | app.push_status_toast(status, crate::tui::app::StatusToastLevel::Info, Some(4_000)); |
| 226 | app.needs_redraw = true; |
| 227 | } |
| 228 | |
| 229 | /// Return to the main conversation. Returns whether a focus was active. |
| 230 | pub(crate) fn exit_focus(app: &mut App) -> bool { |
| 231 | let Some(focus) = app.agent_focus.take() else { |
| 232 | return false; |
| 233 | }; |
| 234 | // The rail tracked this worker as its opened row while focused. |
| 235 | crate::tui::work_surface::agent_details_closed(app, &focus.agent_id); |
| 236 | app.scroll_to_bottom(); |
| 237 | let status = app.tr(MessageId::AgentFocusClosed).into_owned(); |
| 238 | app.status_message = Some(status); |
| 239 | app.needs_redraw = true; |
| 240 | true |
| 241 | } |
| 242 | |
| 243 | /// Re-read the focused child's transcript at a human cadence so live workers |
| 244 | /// stream into the focused view. Local echoes of the user's own follow-ups are |
| 245 | /// dropped once the child's own transcript carries them. |
| 246 | pub(crate) fn refresh_focus(app: &mut App) { |
| 247 | let Some(focus) = app.agent_focus.as_ref() else { |
| 248 | return; |
| 249 | }; |
| 250 | if focus.last_refresh.elapsed() < REFRESH_INTERVAL { |
| 251 | return; |
| 252 | } |
| 253 | let agent_id = focus.agent_id.clone(); |
| 254 | let (messages, omitted) = resolve_agent_transcript_messages(app, &agent_id); |
| 255 | let receipts = child_receipts(app, &agent_id).to_vec(); |
| 256 | let Some(focus) = app.agent_focus.as_mut() else { |
| 257 | return; |
| 258 | }; |
| 259 | focus.last_refresh = Instant::now(); |
| 260 | if messages.len() == focus.source_message_count |
| 261 | && omitted == focus.omitted_messages |
| 262 | && receipts.len() == focus.receipt_count |
| 263 | { |
| 264 | return; |
| 265 | } |
| 266 | let previous_count = focus.source_message_count; |
| 267 | focus.cells = cells_for_messages(&messages, &receipts); |
| 268 | focus.receipt_count = receipts.len(); |
| 269 | focus.source_message_count = messages.len(); |
| 270 | focus.omitted_messages = omitted; |
| 271 | // Drop local user echoes that the transcript now carries itself. |
| 272 | for message in messages.iter().skip(previous_count) { |
| 273 | if message.role != "user" { |
| 274 | continue; |
| 275 | } |
| 276 | let text = message_plain_text(message); |
| 277 | if let Some(index) = focus.local_cells.iter().position( |
| 278 | |cell| matches!(cell, HistoryCell::User { content } if content.trim() == text.trim()), |
| 279 | ) { |
| 280 | focus.local_cells.remove(index); |
| 281 | } |
| 282 | } |
| 283 | app.needs_redraw = true; |
| 284 | } |
| 285 | |
| 286 | fn message_plain_text(message: &Message) -> String { |
| 287 | message |
| 288 | .content |
| 289 | .iter() |
| 290 | .filter_map(|block| match block { |
| 291 | codewhale_models::ContentBlock::Text { text, .. } => Some(text.as_str()), |
| 292 | _ => None, |
| 293 | }) |
| 294 | .collect::<Vec<_>>() |
| 295 | .join("\n") |
| 296 | } |
| 297 | |
| 298 | /// Record the user's follow-up in the focused view immediately so the send is |
| 299 | /// visible before the child's transcript catches up. |
| 300 | pub(crate) fn echo_user_follow_up(app: &mut App, text: &str) { |
| 301 | if let Some(focus) = app.agent_focus.as_mut() { |
| 302 | focus.local_cells.push(HistoryCell::User { |
| 303 | content: text.to_string(), |
| 304 | }); |
| 305 | focus.scroll_top = None; |
| 306 | app.needs_redraw = true; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /// Apply a delivery receipt from the engine. When the child was continued on |
| 311 | /// a new fork, focus follows the fork so the conversation stays in one place. |
| 312 | pub(crate) fn apply_follow_up_receipt( |
| 313 | app: &mut App, |
| 314 | agent_id: &str, |
| 315 | outcome: &Result<crate::tools::subagent::UserFollowUpOutcome, String>, |
| 316 | ) { |
| 317 | let label = agent_display_label(app, agent_id); |
| 318 | let note = match outcome { |
| 319 | Ok(receipt) if receipt.resumed && receipt.target_agent_id != agent_id => { |
| 320 | let target_label = agent_display_label(app, &receipt.target_agent_id); |
| 321 | if app |
| 322 | .agent_focus |
| 323 | .as_ref() |
| 324 | .is_some_and(|focus| focus.is(agent_id)) |
| 325 | { |
| 326 | // Carry the local echoes across so the send stays visible on |
| 327 | // the fork until its transcript includes it. |
| 328 | let carried = app |
| 329 | .agent_focus |
| 330 | .as_ref() |
| 331 | .map(|focus| focus.local_cells.clone()) |
| 332 | .unwrap_or_default(); |
| 333 | app.agent_focus = None; |
| 334 | focus_agent(app, &receipt.target_agent_id); |
| 335 | if let Some(focus) = app.agent_focus.as_mut() { |
| 336 | focus.local_cells = carried; |
| 337 | } |
| 338 | } |
| 339 | app.tr(MessageId::AgentFocusFollowUpContinued) |
| 340 | .replace("{agent}", &label) |
| 341 | .replace("{target}", &target_label) |
| 342 | } |
| 343 | Ok(receipt) if receipt.delivered => app |
| 344 | .tr(MessageId::AgentFocusFollowUpDelivered) |
| 345 | .replace("{agent}", &label), |
| 346 | Ok(receipt) => app |
| 347 | .tr(MessageId::AgentFocusFollowUpFailed) |
| 348 | .replace("{agent}", &label) |
| 349 | .replace("{reason}", &receipt.note), |
| 350 | Err(reason) => app |
| 351 | .tr(MessageId::AgentFocusFollowUpFailed) |
| 352 | .replace("{agent}", &label) |
| 353 | .replace("{reason}", reason), |
| 354 | }; |
| 355 | let level = if matches!(outcome, Ok(receipt) if receipt.delivered) { |
| 356 | crate::tui::app::StatusToastLevel::Info |
| 357 | } else { |
| 358 | crate::tui::app::StatusToastLevel::Warning |
| 359 | }; |
| 360 | if let Some(focus) = app.agent_focus.as_mut() { |
| 361 | focus.local_cells.push(HistoryCell::System { |
| 362 | content: note.clone(), |
| 363 | }); |
| 364 | focus.scroll_top = None; |
| 365 | } |
| 366 | app.status_message = Some(note.clone()); |
| 367 | app.push_status_toast(note, level, Some(5_000)); |
| 368 | app.needs_redraw = true; |
| 369 | } |
| 370 | |
| 371 | /// Status word for the focused child from the live cache (glyph + word rule: |
| 372 | /// the word is always shown; color is secondary). |
| 373 | pub(crate) fn focused_status(app: &App) -> Option<(char, String)> { |
| 374 | let focus = app.agent_focus.as_ref()?; |
| 375 | let agent = app |
| 376 | .subagent_cache |
| 377 | .iter() |
| 378 | .find(|agent| agent.agent_id == focus.agent_id)?; |
| 379 | Some(match &agent.status { |
| 380 | SubAgentStatus::Running => ('●', "running".to_string()), |
| 381 | SubAgentStatus::Completed => ('✓', "done".to_string()), |
| 382 | SubAgentStatus::Interrupted(_) => ('⏸', "interrupted".to_string()), |
| 383 | SubAgentStatus::Failed(_) => ('✕', "failed".to_string()), |
| 384 | SubAgentStatus::Cancelled => ('✕', "cancelled".to_string()), |
| 385 | SubAgentStatus::BudgetExhausted => ('◆', "budget exhausted".to_string()), |
| 386 | }) |
| 387 | } |
| 388 | |
| 389 | /// One short line naming the focused worker's effective posture: its role, |
| 390 | /// whether it may write the workspace, reach the network, and run shell — |
| 391 | /// from the runtime's persisted permission snapshot, never guessed. |
| 392 | pub(crate) fn focused_posture(app: &App) -> Option<String> { |
| 393 | let focus = app.agent_focus.as_ref()?; |
| 394 | let agent = app |
| 395 | .subagent_cache |
| 396 | .iter() |
| 397 | .find(|agent| agent.agent_id == focus.agent_id)?; |
| 398 | let permissions = agent.runtime_permissions.as_ref()?; |
| 399 | let write = app.tr(if permissions.write { |
| 400 | MessageId::AgentFocusPostureWrites |
| 401 | } else { |
| 402 | MessageId::AgentFocusPostureReadOnly |
| 403 | }); |
| 404 | let network = app.tr(if permissions.network { |
| 405 | MessageId::AgentFocusPostureNetwork |
| 406 | } else { |
| 407 | MessageId::AgentFocusPostureNoNetwork |
| 408 | }); |
| 409 | let shell = app.tr(match permissions.shell.as_str() { |
| 410 | "full" => MessageId::AgentFocusPostureShellFull, |
| 411 | "read_only" => MessageId::AgentFocusPostureShellReadOnly, |
| 412 | _ => MessageId::AgentFocusPostureShellNone, |
| 413 | }); |
| 414 | Some( |
| 415 | app.tr(MessageId::AgentFocusPosture) |
| 416 | .replace("{role}", agent.agent_type.as_str()) |
| 417 | .replace("{write}", &write) |
| 418 | .replace("{network}", &network) |
| 419 | .replace("{shell}", &shell), |
| 420 | ) |
| 421 | } |
| 422 | |
| 423 | /// Whether any worker exists to list, focus, or manage this session. |
| 424 | pub(crate) fn agents_exist(app: &App) -> bool { |
| 425 | !app.subagent_cache.is_empty() || !app.agent_progress.is_empty() |
| 426 | } |
| 427 | |
| 428 | /// Shell action owned by the agent shortcuts advertised above the composer. |
| 429 | #[derive(Debug, Clone, Copy, PartialEq, Eq)] |
| 430 | pub(crate) enum AgentShellShortcut { |
| 431 | FocusAgents, |
| 432 | ManageAgents, |
| 433 | } |
| 434 | |
| 435 | /// Whether the composer currently owns the two agent shortcuts. |
| 436 | /// |
| 437 | /// This is deliberately stricter than [`agents_exist`]. A visible worker is |
| 438 | /// not enough to advertise a key when a modal, attachment, or focused inline |
| 439 | /// surface owns that same arrow. Rendering and dispatch both consume this |
| 440 | /// predicate so the footer cannot promise an action that another owner will |
| 441 | /// swallow. |
| 442 | pub(crate) fn shell_shortcuts_available(app: &App, completion_menu_open: bool) -> bool { |
| 443 | agents_exist(app) |
| 444 | && !completion_menu_open |
| 445 | && app.input.is_empty() |
| 446 | && app.view_stack.is_empty() |
| 447 | && app.selected_composer_attachment_index().is_none() |
| 448 | && !app.work_surface.focused |
| 449 | && !app |
| 450 | .workflow_panel |
| 451 | .as_ref() |
| 452 | .is_some_and(|panel| panel.keyboard_focus) |
| 453 | } |
| 454 | |
| 455 | /// Resolve a key only while the agent shortcut contract is actually active. |
| 456 | pub(crate) fn shell_shortcut( |
| 457 | app: &App, |
| 458 | key: &KeyEvent, |
| 459 | completion_menu_open: bool, |
| 460 | ) -> Option<AgentShellShortcut> { |
| 461 | if key.modifiers != KeyModifiers::NONE || !shell_shortcuts_available(app, completion_menu_open) |
| 462 | { |
| 463 | return None; |
| 464 | } |
| 465 | match key.code { |
| 466 | KeyCode::Left => Some(AgentShellShortcut::FocusAgents), |
| 467 | KeyCode::Down => Some(AgentShellShortcut::ManageAgents), |
| 468 | _ => None, |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | /// Footer hint chain fragment `← for agents · ↓ to manage` (ASCII-safe: |
| 473 | /// `<- for agents · v to manage`). Words are localized; the glyphs follow the |
| 474 | /// shell's ASCII-safe switch. |
| 475 | pub(crate) fn footer_agent_hints(app: &App) -> String { |
| 476 | let ascii = crate::tui::color_compat::ascii_safe_enabled(); |
| 477 | let (left, down) = if ascii { ("<-", "v") } else { ("←", "↓") }; |
| 478 | format!( |
| 479 | "{left} {} · {down} {}", |
| 480 | app.tr(MessageId::FooterHintForAgents), |
| 481 | app.tr(MessageId::FooterHintToManage) |
| 482 | ) |
| 483 | } |
| 484 | |
| 485 | /// `· N queued` suffix for a rail row: follow-ups the running child has not |
| 486 | /// yet taken at its next round boundary. `None` when nothing is queued. |
| 487 | pub(crate) fn queued_suffix(app: &App, agent_id: &str) -> Option<String> { |
| 488 | let count = *app.agent_queued_follow_ups.get(agent_id)?; |
| 489 | if count == 0 { |
| 490 | return None; |
| 491 | } |
| 492 | Some( |
| 493 | app.tr(MessageId::AgentRailQueuedCount) |
| 494 | .replace("{count}", &count.to_string()), |
| 495 | ) |
| 496 | } |
| 497 | |
| 498 | /// The composer chip naming the addressed fork. |
| 499 | pub(crate) fn composer_chip_text(app: &App) -> Option<String> { |
| 500 | let focus = app.agent_focus.as_ref()?; |
| 501 | Some( |
| 502 | app.tr(MessageId::AgentFocusComposerChip) |
| 503 | .replace("{agent}", &focus.label), |
| 504 | ) |
| 505 | } |
| 506 | |
| 507 | /// Empty-composer hint while focused. |
| 508 | pub(crate) fn composer_placeholder(app: &App) -> Option<String> { |
| 509 | let focus = app.agent_focus.as_ref()?; |
| 510 | Some( |
| 511 | app.tr(MessageId::AgentFocusPlaceholder) |
| 512 | .replace("{agent}", &focus.label), |
| 513 | ) |
| 514 | } |
| 515 | |
| 516 | /// Render the focused child's transcript into the main conversation area. |
| 517 | /// |
| 518 | /// Consumes the shared `pending_scroll_delta` so PageUp/PageDown, wheel, and |
| 519 | /// the jump-to-latest affordance behave exactly as they do on the main |
| 520 | /// transcript. |
| 521 | pub(crate) fn render_focus(app: &mut App, area: Rect, buf: &mut Buffer) { |
| 522 | let Some(focus) = app.agent_focus.as_ref() else { |
| 523 | return; |
| 524 | }; |
| 525 | let theme = app.ui_theme; |
| 526 | let background = Style::default().bg(theme.surface_bg); |
| 527 | buf.set_style(area, background); |
| 528 | if area.height == 0 || area.width == 0 { |
| 529 | return; |
| 530 | } |
| 531 | let (status_glyph, status_word) = focused_status(app).unwrap_or(('○', "unknown".to_string())); |
| 532 | let banner = app |
| 533 | .tr(MessageId::AgentFocusBanner) |
| 534 | .replace("{agent}", &focus.label) |
| 535 | .replace("{status}", &status_word); |
| 536 | let mut banner_spans = vec![ |
| 537 | Span::styled( |
| 538 | format!("{status_glyph} "), |
| 539 | Style::default().fg(theme.accent_action), |
| 540 | ), |
| 541 | Span::styled( |
| 542 | banner, |
| 543 | Style::default() |
| 544 | .fg(theme.accent_action) |
| 545 | .add_modifier(Modifier::BOLD), |
| 546 | ), |
| 547 | ]; |
| 548 | // The worker's effective posture, in the same dot chain: what it may do |
| 549 | // is stated where its conversation is read, not hidden in a role name. |
| 550 | if let Some(posture) = focused_posture(app) { |
| 551 | banner_spans.push(Span::styled( |
| 552 | format!(" · {posture}"), |
| 553 | Style::default().fg(theme.text_muted), |
| 554 | )); |
| 555 | } |
| 556 | let banner_line = Line::from(banner_spans); |
| 557 | let width = area.width.max(1); |
| 558 | let mut lines: Vec<Line<'static>> = Vec::new(); |
| 559 | if focus.omitted_messages > 0 { |
| 560 | lines.push(Line::from(Span::styled( |
| 561 | app.tr(MessageId::AgentFocusOmitted) |
| 562 | .replace("{count}", &focus.omitted_messages.to_string()), |
| 563 | Style::default().fg(theme.text_muted), |
| 564 | ))); |
| 565 | } |
| 566 | if focus.cells.is_empty() && focus.local_cells.is_empty() { |
| 567 | lines.push(Line::from(Span::styled( |
| 568 | app.tr(MessageId::AgentFocusNoTranscript) |
| 569 | .replace("{agent}", &focus.label), |
| 570 | Style::default().fg(theme.text_muted), |
| 571 | ))); |
| 572 | } |
| 573 | for cell in focus.cells.iter().chain(focus.local_cells.iter()) { |
| 574 | lines.extend(cell.transcript_lines(width)); |
| 575 | lines.push(Line::default()); |
| 576 | } |
| 577 | let visible = usize::from(area.height.saturating_sub(1)).max(1); |
| 578 | let total = lines.len(); |
| 579 | let max_top = total.saturating_sub(visible); |
| 580 | let delta = app.viewport.pending_scroll_delta; |
| 581 | app.viewport.pending_scroll_delta = 0; |
| 582 | let Some(focus) = app.agent_focus.as_mut() else { |
| 583 | return; |
| 584 | }; |
| 585 | let current = focus.scroll_top.unwrap_or(max_top); |
| 586 | let next = if delta < 0 { |
| 587 | current.saturating_sub(delta.unsigned_abs() as usize) |
| 588 | } else { |
| 589 | current.saturating_add(delta as usize) |
| 590 | } |
| 591 | .min(max_top); |
| 592 | focus.scroll_top = if next >= max_top { None } else { Some(next) }; |
| 593 | focus.last_visible = visible; |
| 594 | focus.last_total = total; |
| 595 | let top = focus.scroll_top.unwrap_or(max_top); |
| 596 | |
| 597 | let banner_area = Rect::new(area.x, area.y, area.width, 1); |
| 598 | Paragraph::new(banner_line) |
| 599 | .style(background) |
| 600 | .render(banner_area, buf); |
| 601 | let body_area = Rect::new( |
| 602 | area.x, |
| 603 | area.y.saturating_add(1), |
| 604 | area.width, |
| 605 | area.height.saturating_sub(1), |
| 606 | ); |
| 607 | let shown: Vec<Line<'static>> = lines.into_iter().skip(top).take(visible).collect(); |
| 608 | Paragraph::new(shown) |
| 609 | .style(background) |
| 610 | .render(body_area, buf); |
| 611 | // The focused view owns the transcript geometry for paging keys. |
| 612 | app.viewport.last_transcript_area = Some(body_area); |
| 613 | app.viewport.last_transcript_visible = visible; |
| 614 | app.viewport.last_transcript_total = total; |
| 615 | app.viewport.last_transcript_top = top; |
| 616 | } |
| 617 | |
| 618 | #[cfg(test)] |
| 619 | mod tests { |
| 620 | use super::*; |
| 621 | use crate::config::Config; |
| 622 | use crate::tui::app::TuiOptions; |
| 623 | use serde_json::json; |
| 624 | use std::path::PathBuf; |
| 625 | use tempfile::tempdir; |
| 626 | |
| 627 | fn test_app(workspace: PathBuf) -> App { |
| 628 | App::new( |
| 629 | TuiOptions { |
| 630 | model: "test-model".to_string(), |
| 631 | use_mouse_capture: true, |
| 632 | max_subagents: 4, |
| 633 | ..crate::test_support::test_tui_options(workspace) |
| 634 | }, |
| 635 | &Config::default(), |
| 636 | ) |
| 637 | } |
| 638 | |
| 639 | #[test] |
| 640 | fn agent_shell_shortcuts_only_claim_an_unowned_empty_composer() { |
| 641 | let tmp = tempdir().expect("tempdir"); |
| 642 | let mut app = test_app(tmp.path().to_path_buf()); |
| 643 | let left = KeyEvent::new(KeyCode::Left, KeyModifiers::NONE); |
| 644 | let down = KeyEvent::new(KeyCode::Down, KeyModifiers::NONE); |
| 645 | |
| 646 | assert_eq!( |
| 647 | shell_shortcut(&app, &left, false), |
| 648 | None, |
| 649 | "no agents: cursor owns Left" |
| 650 | ); |
| 651 | assert_eq!( |
| 652 | shell_shortcut(&app, &down, false), |
| 653 | None, |
| 654 | "no agents: cursor owns Down" |
| 655 | ); |
| 656 | |
| 657 | app.agent_progress |
| 658 | .insert("agent_one".to_string(), "working".to_string()); |
| 659 | assert_eq!( |
| 660 | shell_shortcut(&app, &left, false), |
| 661 | Some(AgentShellShortcut::FocusAgents) |
| 662 | ); |
| 663 | assert_eq!( |
| 664 | shell_shortcut(&app, &down, false), |
| 665 | Some(AgentShellShortcut::ManageAgents) |
| 666 | ); |
| 667 | |
| 668 | app.input = "draft".to_string(); |
| 669 | assert_eq!( |
| 670 | shell_shortcut(&app, &left, false), |
| 671 | None, |
| 672 | "text cursor keeps Left" |
| 673 | ); |
| 674 | app.input.clear(); |
| 675 | app.work_surface.focused = true; |
| 676 | assert_eq!( |
| 677 | shell_shortcut(&app, &down, false), |
| 678 | None, |
| 679 | "focused work surface keeps Down for row navigation" |
| 680 | ); |
| 681 | } |
| 682 | |
| 683 | #[test] |
| 684 | fn open_completion_menu_keeps_agent_shortcuts_out_of_its_arrows() { |
| 685 | let tmp = tempdir().expect("tempdir"); |
| 686 | let mut app = test_app(tmp.path().to_path_buf()); |
| 687 | app.agent_progress |
| 688 | .insert("agent_one".to_string(), "working".to_string()); |
| 689 | |
| 690 | assert_eq!( |
| 691 | shell_shortcut( |
| 692 | &app, |
| 693 | &KeyEvent::new(KeyCode::Left, KeyModifiers::NONE), |
| 694 | true, |
| 695 | ), |
| 696 | None |
| 697 | ); |
| 698 | assert_eq!( |
| 699 | shell_shortcut( |
| 700 | &app, |
| 701 | &KeyEvent::new(KeyCode::Down, KeyModifiers::NONE), |
| 702 | true, |
| 703 | ), |
| 704 | None |
| 705 | ); |
| 706 | assert!(!shell_shortcuts_available(&app, true)); |
| 707 | } |
| 708 | |
| 709 | fn seed_resident_transcript(app: &mut App, agent_id: &str, messages: serde_json::Value) { |
| 710 | let mut store = app |
| 711 | .runtime_services |
| 712 | .handle_store |
| 713 | .try_lock() |
| 714 | .expect("handle store"); |
| 715 | let count = messages.as_array().map(|m| m.len()).unwrap_or(0); |
| 716 | let _ = store.insert_json( |
| 717 | format!("agent:{agent_id}"), |
| 718 | "full_transcript", |
| 719 | json!({ "message_count": count, "messages": messages }), |
| 720 | ); |
| 721 | } |
| 722 | |
| 723 | fn render(app: &mut App, width: u16, height: u16) -> String { |
| 724 | let area = Rect::new(0, 0, width, height); |
| 725 | let mut buf = Buffer::empty(area); |
| 726 | render_focus(app, area, &mut buf); |
| 727 | (0..height) |
| 728 | .map(|y| { |
| 729 | (0..width) |
| 730 | .map(|x| buf[(x, y)].symbol().to_string()) |
| 731 | .collect::<String>() |
| 732 | .trim_end() |
| 733 | .to_string() |
| 734 | }) |
| 735 | .collect::<Vec<_>>() |
| 736 | .join("\n") |
| 737 | } |
| 738 | |
| 739 | #[test] |
| 740 | fn focus_renders_the_childs_full_transcript_and_the_composer_addresses_it() { |
| 741 | let tmp = tempdir().expect("tempdir"); |
| 742 | let mut app = test_app(tmp.path().to_path_buf()); |
| 743 | seed_resident_transcript( |
| 744 | &mut app, |
| 745 | "agent_alpha", |
| 746 | json!([ |
| 747 | {"role": "user", "content": [{"type": "text", "text": "Investigate the flaky test", "cache_control": null}]}, |
| 748 | {"role": "assistant", "content": [{"type": "text", "text": "Found the race in the pool", "cache_control": null}]} |
| 749 | ]), |
| 750 | ); |
| 751 | focus_agent(&mut app, "agent_alpha"); |
| 752 | let focus = app.agent_focus.as_ref().expect("focused"); |
| 753 | assert_eq!(focus.source_message_count, 2); |
| 754 | assert_eq!(focus.cells.len(), 2); |
| 755 | let screen = render(&mut app, 80, 12); |
| 756 | assert!(screen.contains("Investigate the flaky test"), "{screen}"); |
| 757 | assert!(screen.contains("Found the race in the pool"), "{screen}"); |
| 758 | assert!( |
| 759 | composer_chip_text(&app) |
| 760 | .expect("chip") |
| 761 | .contains(&focus_label(&app)), |
| 762 | "chip names the focused worker" |
| 763 | ); |
| 764 | assert!(composer_placeholder(&app).is_some()); |
| 765 | assert!(exit_focus(&mut app)); |
| 766 | assert!(app.agent_focus.is_none()); |
| 767 | assert!(composer_chip_text(&app).is_none()); |
| 768 | assert!(!exit_focus(&mut app)); |
| 769 | } |
| 770 | |
| 771 | #[test] |
| 772 | fn focus_banner_states_the_workers_effective_posture_from_the_runtime_snapshot() { |
| 773 | let tmp = tempdir().expect("tempdir"); |
| 774 | let mut app = test_app(tmp.path().to_path_buf()); |
| 775 | seed_resident_transcript( |
| 776 | &mut app, |
| 777 | "agent_scout", |
| 778 | json!([{"role": "user", "content": [{"type": "text", "text": "look around", "cache_control": null}]}]), |
| 779 | ); |
| 780 | app.subagent_cache |
| 781 | .push(crate::tools::subagent::SubAgentResult { |
| 782 | usage: None, |
| 783 | name: "agent_scout".to_string(), |
| 784 | agent_id: "agent_scout".to_string(), |
| 785 | context_mode: "fresh".to_string(), |
| 786 | fork_context: false, |
| 787 | workspace: None, |
| 788 | git_branch: None, |
| 789 | agent_type: crate::tools::subagent::FleetRole::Scout, |
| 790 | assignment: crate::tools::subagent::SubAgentAssignment { |
| 791 | objective: "look around".to_string(), |
| 792 | role: Some("explore".to_string()), |
| 793 | }, |
| 794 | model: "deepseek-v4-flash".to_string(), |
| 795 | nickname: None, |
| 796 | status: SubAgentStatus::Running, |
| 797 | worker_status: None, |
| 798 | runtime_permissions: Some(codewhale_protocol::fleet::FleetEffectivePermissions { |
| 799 | write: false, |
| 800 | network: true, |
| 801 | shell: "read_only".to_string(), |
| 802 | tool_scope: "inherit".to_string(), |
| 803 | tools: Vec::new(), |
| 804 | background: true, |
| 805 | max_spawn_depth: 1, |
| 806 | profile_id: None, |
| 807 | profile_origin: None, |
| 808 | source: "built_in".to_string(), |
| 809 | }), |
| 810 | parent_run_id: None, |
| 811 | spawn_depth: 1, |
| 812 | child_route: None, |
| 813 | result: None, |
| 814 | steps_taken: 0, |
| 815 | checkpoint: None, |
| 816 | needs_input: None, |
| 817 | duration_ms: 0, |
| 818 | started_at: None, |
| 819 | from_prior_session: false, |
| 820 | }); |
| 821 | focus_agent(&mut app, "agent_scout"); |
| 822 | let posture = focused_posture(&app).expect("posture line from the snapshot"); |
| 823 | assert_eq!(posture, "explore · read-only · network · read-only shell"); |
| 824 | let screen = render(&mut app, 100, 8); |
| 825 | assert!( |
| 826 | screen.contains("read-only · network · read-only shell"), |
| 827 | "{screen}" |
| 828 | ); |
| 829 | // No snapshot, no guess. |
| 830 | app.subagent_cache[0].runtime_permissions = None; |
| 831 | assert!(focused_posture(&app).is_none()); |
| 832 | } |
| 833 | |
| 834 | fn focus_label(app: &App) -> String { |
| 835 | app.agent_focus.as_ref().map(|f| f.label.clone()).unwrap() |
| 836 | } |
| 837 | |
| 838 | #[test] |
| 839 | fn empty_transcript_explains_instead_of_dead_ending() { |
| 840 | let tmp = tempdir().expect("tempdir"); |
| 841 | let mut app = test_app(tmp.path().to_path_buf()); |
| 842 | focus_agent(&mut app, "agent_quiet"); |
| 843 | let screen = render(&mut app, 120, 8); |
| 844 | let expected = app |
| 845 | .tr(MessageId::AgentFocusNoTranscript) |
| 846 | .replace("{agent}", &focus_label(&app)); |
| 847 | let head: String = expected.chars().take(24).collect(); |
| 848 | assert!(screen.contains(head.trim_end()), "{screen}"); |
| 849 | } |
| 850 | |
| 851 | #[test] |
| 852 | fn user_echo_is_replaced_once_the_child_transcript_carries_it() { |
| 853 | let tmp = tempdir().expect("tempdir"); |
| 854 | let mut app = test_app(tmp.path().to_path_buf()); |
| 855 | seed_resident_transcript( |
| 856 | &mut app, |
| 857 | "agent_echo", |
| 858 | json!([{"role": "assistant", "content": [{"type": "text", "text": "ready", "cache_control": null}]}]), |
| 859 | ); |
| 860 | focus_agent(&mut app, "agent_echo"); |
| 861 | echo_user_follow_up(&mut app, "please continue"); |
| 862 | assert_eq!(app.agent_focus.as_ref().unwrap().local_cells.len(), 1); |
| 863 | seed_resident_transcript( |
| 864 | &mut app, |
| 865 | "agent_echo", |
| 866 | json!([ |
| 867 | {"role": "assistant", "content": [{"type": "text", "text": "ready", "cache_control": null}]}, |
| 868 | {"role": "user", "content": [{"type": "text", "text": "please continue", "cache_control": null}]} |
| 869 | ]), |
| 870 | ); |
| 871 | // Force the cadence gate open. |
| 872 | app.agent_focus.as_mut().unwrap().last_refresh = Instant::now() - REFRESH_INTERVAL; |
| 873 | refresh_focus(&mut app); |
| 874 | let focus = app.agent_focus.as_ref().unwrap(); |
| 875 | assert_eq!(focus.source_message_count, 2); |
| 876 | assert!(focus.local_cells.is_empty(), "echo dropped once carried"); |
| 877 | } |
| 878 | |
| 879 | #[test] |
| 880 | fn scrolling_pages_through_the_focused_transcript_and_returns_to_tail() { |
| 881 | let tmp = tempdir().expect("tempdir"); |
| 882 | let mut app = test_app(tmp.path().to_path_buf()); |
| 883 | let messages: Vec<serde_json::Value> = (0..40) |
| 884 | .map(|i| json!({"role": "assistant", "content": [{"type": "text", "text": format!("line {i}"), "cache_control": null}]})) |
| 885 | .collect(); |
| 886 | seed_resident_transcript(&mut app, "agent_long", json!(messages)); |
| 887 | focus_agent(&mut app, "agent_long"); |
| 888 | let tail = render(&mut app, 60, 10); |
| 889 | assert!(tail.contains("line 39"), "{tail}"); |
| 890 | app.scroll_up(1000); |
| 891 | let head = render(&mut app, 60, 10); |
| 892 | assert!(head.contains("line 0"), "{head}"); |
| 893 | assert!(app.agent_focus.as_ref().unwrap().scroll_top.is_some()); |
| 894 | app.scroll_down(100_000); |
| 895 | let back = render(&mut app, 60, 10); |
| 896 | assert!(back.contains("line 39"), "{back}"); |
| 897 | assert!(app.agent_focus.as_ref().unwrap().scroll_top.is_none()); |
| 898 | } |
| 899 | |
| 900 | #[test] |
| 901 | fn continued_fork_moves_focus_to_the_new_agent_and_reports_it() { |
| 902 | let tmp = tempdir().expect("tempdir"); |
| 903 | let mut app = test_app(tmp.path().to_path_buf()); |
| 904 | focus_agent(&mut app, "agent_done"); |
| 905 | echo_user_follow_up(&mut app, "one more thing"); |
| 906 | let outcome = Ok(crate::tools::subagent::UserFollowUpOutcome { |
| 907 | agent_id: "agent_done".to_string(), |
| 908 | target_agent_id: "agent_fork".to_string(), |
| 909 | delivered: true, |
| 910 | resumed: true, |
| 911 | note: "continued".to_string(), |
| 912 | }); |
| 913 | apply_follow_up_receipt(&mut app, "agent_done", &outcome); |
| 914 | let focus = app.agent_focus.as_ref().expect("focus follows the fork"); |
| 915 | assert_eq!(focus.agent_id, "agent_fork"); |
| 916 | assert!( |
| 917 | focus.local_cells.iter().any( |
| 918 | |cell| matches!(cell, HistoryCell::User { content } if content == "one more thing") |
| 919 | ), |
| 920 | "echo carried across the fork" |
| 921 | ); |
| 922 | assert!( |
| 923 | focus |
| 924 | .local_cells |
| 925 | .iter() |
| 926 | .any(|cell| matches!(cell, HistoryCell::System { .. })), |
| 927 | "receipt shown in the focused view" |
| 928 | ); |
| 929 | let failed: Result<crate::tools::subagent::UserFollowUpOutcome, String> = |
| 930 | Err("status is cancelled".to_string()); |
| 931 | apply_follow_up_receipt(&mut app, "agent_fork", &failed); |
| 932 | assert!( |
| 933 | app.status_message |
| 934 | .as_deref() |
| 935 | .is_some_and(|status| status.contains("status is cancelled")) |
| 936 | ); |
| 937 | } |
| 938 | |
| 939 | #[test] |
| 940 | fn scroll_to_bottom_returns_the_focused_transcript_to_its_tail() { |
| 941 | let tmp = tempdir().expect("tempdir"); |
| 942 | let mut app = test_app(tmp.path().to_path_buf()); |
| 943 | let messages: Vec<serde_json::Value> = (0..40) |
| 944 | .map(|i| json!({"role": "assistant", "content": [{"type": "text", "text": format!("line {i}"), "cache_control": null}]})) |
| 945 | .collect(); |
| 946 | seed_resident_transcript(&mut app, "agent_tail", json!(messages)); |
| 947 | focus_agent(&mut app, "agent_tail"); |
| 948 | let _ = render(&mut app, 60, 10); |
| 949 | app.scroll_up(5); |
| 950 | let _ = render(&mut app, 60, 10); |
| 951 | assert!(app.agent_focus.as_ref().unwrap().scroll_top.is_some()); |
| 952 | |
| 953 | // The main transcript's jump-to-bottom affordances (Ctrl+End, the |
| 954 | // jump-to-latest button) route through `App::scroll_to_bottom`; the |
| 955 | // focused pane shares those keys, so it must return to its own tail. |
| 956 | app.scroll_to_bottom(); |
| 957 | let screen = render(&mut app, 60, 10); |
| 958 | assert!( |
| 959 | app.agent_focus.as_ref().unwrap().scroll_top.is_none(), |
| 960 | "jump-to-bottom must release the focused pane's pin" |
| 961 | ); |
| 962 | assert!(screen.contains("line 39"), "{screen}"); |
| 963 | } |
| 964 | |
| 965 | #[test] |
| 966 | fn main_conversation_activity_keeps_a_pinned_focused_transcript_pinned() { |
| 967 | let tmp = tempdir().expect("tempdir"); |
| 968 | let mut app = test_app(tmp.path().to_path_buf()); |
| 969 | let messages: Vec<serde_json::Value> = (0..40) |
| 970 | .map(|i| json!({"role": "assistant", "content": [{"type": "text", "text": format!("line {i}"), "cache_control": null}]})) |
| 971 | .collect(); |
| 972 | seed_resident_transcript(&mut app, "agent_pin", json!(messages)); |
| 973 | focus_agent(&mut app, "agent_pin"); |
| 974 | let _ = render(&mut app, 60, 10); |
| 975 | app.scroll_up(10); |
| 976 | let _ = render(&mut app, 60, 10); |
| 977 | assert!(app.agent_focus.as_ref().unwrap().scroll_top.is_some()); |
| 978 | |
| 979 | // Turn completion clears the per-turn scroll lock while the focused |
| 980 | // pane keeps its pin — the state the auto-follow guard must respect. |
| 981 | app.user_scrolled_during_stream = false; |
| 982 | app.add_message(HistoryCell::System { |
| 983 | content: "worker finished".to_string(), |
| 984 | }); |
| 985 | |
| 986 | assert!( |
| 987 | app.agent_focus.as_ref().unwrap().scroll_top.is_some(), |
| 988 | "main-conversation activity must not yank the pinned focused pane to its tail" |
| 989 | ); |
| 990 | } |
| 991 | |
| 992 | #[test] |
| 993 | fn focused_transcript_follows_new_child_activity_while_at_tail() { |
| 994 | let tmp = tempdir().expect("tempdir"); |
| 995 | let mut app = test_app(tmp.path().to_path_buf()); |
| 996 | let seed = |count: usize| { |
| 997 | let messages: Vec<serde_json::Value> = (0..count) |
| 998 | .map(|i| json!({"role": "assistant", "content": [{"type": "text", "text": format!("line {i}"), "cache_control": null}]})) |
| 999 | .collect(); |
| 1000 | json!(messages) |
| 1001 | }; |
| 1002 | seed_resident_transcript(&mut app, "agent_live", seed(40)); |
| 1003 | focus_agent(&mut app, "agent_live"); |
| 1004 | let first = render(&mut app, 60, 10); |
| 1005 | assert!(first.contains("line 39"), "{first}"); |
| 1006 | assert!(app.agent_focus.as_ref().unwrap().scroll_top.is_none()); |
| 1007 | |
| 1008 | // The child streams on; while the pane sits at its tail the new |
| 1009 | // activity must pull the viewport down with it. |
| 1010 | seed_resident_transcript(&mut app, "agent_live", seed(60)); |
| 1011 | app.agent_focus.as_mut().unwrap().last_refresh = Instant::now() - REFRESH_INTERVAL; |
| 1012 | refresh_focus(&mut app); |
| 1013 | let second = render(&mut app, 60, 10); |
| 1014 | assert!(second.contains("line 59"), "{second}"); |
| 1015 | assert!( |
| 1016 | app.agent_focus.as_ref().unwrap().scroll_top.is_none(), |
| 1017 | "following the tail must not flip into a pinned offset" |
| 1018 | ); |
| 1019 | } |
| 1020 | } |
| 1021 |