| 1 | //! Compaction UI state: manual/automatic compaction queueing, settlement, |
| 2 | //! receipts, and cancel behavior (TUI_MODULARIZATION.md slice 7). The engine |
| 3 | //! owns the actual summarization; this module projects its lifecycle into the |
| 4 | //! UI and never awaits the bounded engine mailbox from the event loop. |
| 5 | |
| 6 | use super::*; |
| 7 | |
| 8 | /// Queue a live compaction update without waiting on the engine mailbox. |
| 9 | /// |
| 10 | /// Config edits are valid while a turn is streaming, but awaiting a bounded |
| 11 | /// engine mailbox from the UI event loop can make the whole TUI appear frozen |
| 12 | /// when the turn is busy. A dropped refresh is safe: the next turn rebuilds |
| 13 | /// its compaction config from `App`, and the status message tells the user |
| 14 | /// whether the update was queued or deferred. |
| 15 | /// |
| 16 | /// The model and its compaction budget are one route update: both mailbox |
| 17 | /// slots are reserved before either op is sent, so a full mailbox defers the |
| 18 | /// whole update instead of applying the model without its budget (U03-05). |
| 19 | pub(crate) fn try_apply_model_and_compaction_update( |
| 20 | engine_handle: &EngineHandle, |
| 21 | compaction: crate::compaction::CompactionConfig, |
| 22 | mode: AppMode, |
| 23 | route_limits: Option<codewhale_config::route::RouteLimits>, |
| 24 | ) -> bool { |
| 25 | let Ok(model_permit) = engine_handle.tx_op.clone().try_reserve_owned() else { |
| 26 | return false; |
| 27 | }; |
| 28 | let Ok(compaction_permit) = engine_handle.tx_op.clone().try_reserve_owned() else { |
| 29 | return false; |
| 30 | }; |
| 31 | engine_handle.send_reserved_op( |
| 32 | model_permit, |
| 33 | Op::SetModel { |
| 34 | model: compaction.model.clone(), |
| 35 | mode, |
| 36 | route_limits, |
| 37 | }, |
| 38 | ); |
| 39 | engine_handle.send_reserved_op(compaction_permit, Op::SetCompaction { config: compaction }); |
| 40 | true |
| 41 | } |
| 42 | |
| 43 | pub(crate) fn set_explicit_compaction_status( |
| 44 | app: &mut App, |
| 45 | text: String, |
| 46 | level: StatusToastLevel, |
| 47 | sticky: bool, |
| 48 | ) { |
| 49 | app.status_message = Some(text.clone()); |
| 50 | // This lifecycle reducer assigns the semantic level explicitly. Mark the |
| 51 | // legacy status bridge as synchronized so it cannot add a second, |
| 52 | // keyword-classified toast with a different level on the next frame. |
| 53 | app.last_status_message_seen = Some(text.clone()); |
| 54 | if sticky { |
| 55 | app.set_sticky_status(text, level, Some(App::STICKY_ERROR_TTL_MS)); |
| 56 | } else { |
| 57 | app.push_status_toast(text, level, Some(5_000)); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /// Queue manual compaction without ever awaiting the bounded engine mailbox |
| 62 | /// from the terminal event loop. |
| 63 | /// |
| 64 | /// During an active turn, a successful send is intentionally deferred until |
| 65 | /// the engine returns to its outer operation loop. Full and closed mailboxes |
| 66 | /// are rejected immediately with an actionable receipt, so `/compact` cannot |
| 67 | /// freeze keyboard input or rendering. |
| 68 | pub(crate) fn try_queue_manual_compaction( |
| 69 | app: &mut App, |
| 70 | config: &Config, |
| 71 | engine_handle: &EngineHandle, |
| 72 | focus: Option<String>, |
| 73 | ) { |
| 74 | if app.is_compacting || app.manual_compaction_queued { |
| 75 | let text = app |
| 76 | .tr(MessageId::ContextCompactionAlreadyRunning) |
| 77 | .into_owned(); |
| 78 | add_compaction_receipt(app, &text); |
| 79 | set_explicit_compaction_status(app, text, StatusToastLevel::Warning, false); |
| 80 | return; |
| 81 | } |
| 82 | |
| 83 | let route = match validated_app_runtime_route(app, config) { |
| 84 | Ok(route) => route, |
| 85 | Err(error) => { |
| 86 | let text = app |
| 87 | .tr(MessageId::ContextCompactionRouteInvalid) |
| 88 | .replace("{error}", &error.to_string()); |
| 89 | add_compaction_receipt(app, &text); |
| 90 | set_explicit_compaction_status(app, text, StatusToastLevel::Error, true); |
| 91 | return; |
| 92 | } |
| 93 | }; |
| 94 | let mut compaction = compaction_for_validated_route(app, &route); |
| 95 | compaction.focus = focus.clone(); |
| 96 | let request_id = format!("compact_{}", &uuid::Uuid::new_v4().to_string()[..8]); |
| 97 | let op = Op::CompactContext { |
| 98 | id: request_id.clone(), |
| 99 | route: Box::new(route.into_resolved()), |
| 100 | compaction: Box::new(compaction), |
| 101 | }; |
| 102 | |
| 103 | match engine_handle.try_send(op) { |
| 104 | Ok(()) => { |
| 105 | app.manual_compaction_queued = true; |
| 106 | app.manual_compaction_id = Some(request_id); |
| 107 | let id = if app.is_loading { |
| 108 | MessageId::ContextCompactionQueued |
| 109 | } else { |
| 110 | MessageId::ContextManualCompacting |
| 111 | }; |
| 112 | let text = app.tr(id).into_owned(); |
| 113 | // Queued-behind-a-turn is a state the user must be able to find |
| 114 | // again after the 5s toast: leave it in the transcript too. |
| 115 | if app.is_loading { |
| 116 | add_compaction_receipt(app, &text); |
| 117 | } |
| 118 | set_explicit_compaction_status(app, text, StatusToastLevel::Info, false); |
| 119 | } |
| 120 | Err(error) => { |
| 121 | let full = error |
| 122 | .downcast_ref::<tokio::sync::mpsc::error::TrySendError<Op>>() |
| 123 | .is_some_and(|send_error| { |
| 124 | matches!(send_error, tokio::sync::mpsc::error::TrySendError::Full(_)) |
| 125 | }); |
| 126 | if full { |
| 127 | // A saturated mailbox is a timing accident of the active turn, |
| 128 | // not a user error. Queue client-side and let the event loop |
| 129 | // retry once the engine drains a slot; the user sees the same |
| 130 | // queued receipt as the ordinary behind-a-turn path. |
| 131 | app.manual_compaction_queued = true; |
| 132 | app.manual_compaction_id = Some(request_id); |
| 133 | app.deferred_manual_compaction = Some(focus); |
| 134 | let text = app.tr(MessageId::ContextCompactionQueued).into_owned(); |
| 135 | add_compaction_receipt(app, &text); |
| 136 | set_explicit_compaction_status(app, text, StatusToastLevel::Info, false); |
| 137 | } else { |
| 138 | let text = app.tr(MessageId::ContextCompactionQueueClosed).into_owned(); |
| 139 | add_compaction_receipt(app, &text); |
| 140 | set_explicit_compaction_status(app, text, StatusToastLevel::Error, true); |
| 141 | } |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /// Retry a manual compaction that was deferred by a full engine mailbox. |
| 147 | /// |
| 148 | /// Called once per event-loop iteration. Silent by design: the queued receipt |
| 149 | /// was already written when the request was deferred, a still-full mailbox |
| 150 | /// just waits for the next iteration, and a compaction that started or |
| 151 | /// settled in the meantime supersedes the request entirely (handled by |
| 152 | /// `apply_compaction_started`/`settle_compaction`). |
| 153 | pub(crate) fn flush_deferred_manual_compaction( |
| 154 | app: &mut App, |
| 155 | config: &Config, |
| 156 | engine_handle: &EngineHandle, |
| 157 | ) { |
| 158 | if app.deferred_manual_compaction.is_none() || app.is_compacting { |
| 159 | return; |
| 160 | } |
| 161 | let route = match validated_app_runtime_route(app, config) { |
| 162 | Ok(route) => route, |
| 163 | Err(error) => { |
| 164 | app.deferred_manual_compaction = None; |
| 165 | app.manual_compaction_queued = false; |
| 166 | app.manual_compaction_id = None; |
| 167 | let text = app |
| 168 | .tr(MessageId::ContextCompactionRouteInvalid) |
| 169 | .replace("{error}", &error.to_string()); |
| 170 | add_compaction_receipt(app, &text); |
| 171 | set_explicit_compaction_status(app, text, StatusToastLevel::Error, true); |
| 172 | return; |
| 173 | } |
| 174 | }; |
| 175 | let focus = app.deferred_manual_compaction.clone().unwrap_or_default(); |
| 176 | let Some(request_id) = app.manual_compaction_id.clone() else { |
| 177 | app.deferred_manual_compaction = None; |
| 178 | app.manual_compaction_queued = false; |
| 179 | return; |
| 180 | }; |
| 181 | let mut compaction = compaction_for_validated_route(app, &route); |
| 182 | compaction.focus = focus; |
| 183 | let op = Op::CompactContext { |
| 184 | id: request_id, |
| 185 | route: Box::new(route.into_resolved()), |
| 186 | compaction: Box::new(compaction), |
| 187 | }; |
| 188 | match engine_handle.try_send(op) { |
| 189 | Ok(()) => { |
| 190 | app.deferred_manual_compaction = None; |
| 191 | } |
| 192 | Err(error) => { |
| 193 | let full = error |
| 194 | .downcast_ref::<tokio::sync::mpsc::error::TrySendError<Op>>() |
| 195 | .is_some_and(|send_error| { |
| 196 | matches!(send_error, tokio::sync::mpsc::error::TrySendError::Full(_)) |
| 197 | }); |
| 198 | if !full { |
| 199 | app.deferred_manual_compaction = None; |
| 200 | app.manual_compaction_queued = false; |
| 201 | app.manual_compaction_id = None; |
| 202 | let text = app.tr(MessageId::ContextCompactionQueueClosed).into_owned(); |
| 203 | add_compaction_receipt(app, &text); |
| 204 | set_explicit_compaction_status(app, text, StatusToastLevel::Error, true); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | pub(crate) fn apply_compaction_started(app: &mut App, id: String, auto: bool) { |
| 211 | if app.sticky_status.as_ref().is_some_and(|status| { |
| 212 | matches!( |
| 213 | status.kind, |
| 214 | crate::tui::app::StatusToastKind::ContextPressure(_) |
| 215 | ) |
| 216 | }) { |
| 217 | app.clear_sticky_status(); |
| 218 | } |
| 219 | app.context_pressure_warning_dismissed = None; |
| 220 | if !auto { |
| 221 | app.manual_compaction_queued = false; |
| 222 | if app.manual_compaction_id.as_deref() == Some(id.as_str()) { |
| 223 | app.manual_compaction_id = None; |
| 224 | } |
| 225 | } |
| 226 | // A compaction is running; a deferred manual request is now redundant. |
| 227 | // Dropping it must also release the queued flag when the running pass is |
| 228 | // automatic, or `/compact` would report "already in progress" forever. |
| 229 | if app.deferred_manual_compaction.take().is_some() && auto { |
| 230 | app.manual_compaction_queued = false; |
| 231 | app.manual_compaction_id = None; |
| 232 | } |
| 233 | app.active_compaction = Some(ActiveCompaction { id, auto }); |
| 234 | app.is_compacting = true; |
| 235 | if !auto { |
| 236 | let text = app.tr(MessageId::ContextManualCompacting).into_owned(); |
| 237 | set_explicit_compaction_status(app, text, StatusToastLevel::Info, false); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | /// Clear the compaction-in-flight state for a terminal lifecycle event. |
| 242 | /// |
| 243 | /// An exact id match clears normally. A terminal event with NO tracked |
| 244 | /// compaction is still authoritative (the started event can be lost to a |
| 245 | /// dropped drain or session switch): without this, `is_compacting`/ |
| 246 | /// `manual_compaction_queued` stayed latched and every later `/compact` was |
| 247 | /// silently rejected as "already in progress". A stale event while a NEWER |
| 248 | /// compaction is live must not clear it (or report anything) — that live |
| 249 | /// pass gets its own terminal event. Returns whether the event settled. |
| 250 | pub(crate) fn settle_compaction(app: &mut App, id: &str, auto: bool) -> bool { |
| 251 | if app |
| 252 | .active_compaction |
| 253 | .as_ref() |
| 254 | .is_some_and(|active| active.id != id || active.auto != auto) |
| 255 | { |
| 256 | return false; |
| 257 | } |
| 258 | app.active_compaction = None; |
| 259 | app.is_compacting = false; |
| 260 | if !auto { |
| 261 | app.manual_compaction_queued = false; |
| 262 | app.manual_compaction_id = None; |
| 263 | } |
| 264 | // A settled pass makes a still-deferred manual request redundant (the |
| 265 | // context was just compacted). Dropping it releases the queued flag so a |
| 266 | // later `/compact` is not rejected as "already in progress". |
| 267 | if app.deferred_manual_compaction.take().is_some() { |
| 268 | app.manual_compaction_queued = false; |
| 269 | app.manual_compaction_id = None; |
| 270 | } |
| 271 | true |
| 272 | } |
| 273 | |
| 274 | /// Durable transcript receipt for a compaction outcome. |
| 275 | /// |
| 276 | /// Outcome feedback used to be toast-only, and the engine emits |
| 277 | /// `TurnComplete` immediately after the compaction event — both land in the |
| 278 | /// same UI drain batch, so the turn's "done" status replaced the completion |
| 279 | /// toast before a single frame was drawn. `/compact` looked like a no-op |
| 280 | /// even when the summary committed (the v0.9.6 release blocker). |
| 281 | pub(crate) fn add_compaction_receipt(app: &mut App, message: &str) { |
| 282 | app.add_message(HistoryCell::System { |
| 283 | content: message.to_string(), |
| 284 | }); |
| 285 | } |
| 286 | |
| 287 | pub(crate) fn apply_compaction_completed( |
| 288 | app: &mut App, |
| 289 | id: &str, |
| 290 | auto: bool, |
| 291 | message: String, |
| 292 | messages_before: Option<usize>, |
| 293 | messages_after: Option<usize>, |
| 294 | summary_prompt: Option<String>, |
| 295 | ) { |
| 296 | if settle_compaction(app, id, auto) { |
| 297 | // The billed prompt receipt described the pre-compaction context; |
| 298 | // after the rewrite the local estimate is the honest signal until |
| 299 | // the next model call bills the new, smaller prompt (#5577). |
| 300 | app.last_billed_input_tokens = None; |
| 301 | let keep = crate::compaction::inspect_compaction_keep(&app.api_messages); |
| 302 | let path = if summary_prompt |
| 303 | .as_deref() |
| 304 | .is_some_and(|text| !text.trim().is_empty()) |
| 305 | { |
| 306 | crate::compaction::CompactionPath::Summary |
| 307 | } else { |
| 308 | crate::compaction::CompactionPath::PruneOnly |
| 309 | }; |
| 310 | let after = messages_after.unwrap_or(app.api_messages.len()); |
| 311 | let before = messages_before.unwrap_or(after); |
| 312 | app.last_compaction = Some(crate::compaction::LastCompactionSnapshot { |
| 313 | auto, |
| 314 | coverage: crate::compaction::CompactionCoverage { |
| 315 | path, |
| 316 | last_round_messages: keep.last_round_messages, |
| 317 | last_round_tool_results: keep.last_round_tool_results, |
| 318 | last_round_assistant: keep.last_round_assistant, |
| 319 | dropped_messages: before.saturating_sub(after), |
| 320 | anchors_chars: crate::compaction::pinned_anchors_text(Some(&app.workspace)) |
| 321 | .map(|text| text.chars().count()) |
| 322 | .unwrap_or(0), |
| 323 | // Only the summary path builds a replacement history, so only |
| 324 | // it spent a verbatim budget (#5956). |
| 325 | retained_user_message_tokens: match path { |
| 326 | crate::compaction::CompactionPath::Summary => { |
| 327 | app.compaction_retained_user_message_tokens |
| 328 | } |
| 329 | crate::compaction::CompactionPath::PruneOnly => 0, |
| 330 | }, |
| 331 | operator_instructions_applied: matches!( |
| 332 | path, |
| 333 | crate::compaction::CompactionPath::Summary |
| 334 | ) && app.compaction_summary_instructions.is_some(), |
| 335 | }, |
| 336 | messages_before: before, |
| 337 | messages_after: after, |
| 338 | }); |
| 339 | // Automatic maintenance stays in the context inspector and event |
| 340 | // receipts; it does not insert a ceremony into the user's task. |
| 341 | if !auto { |
| 342 | add_compaction_receipt(app, &message); |
| 343 | set_explicit_compaction_status(app, message, StatusToastLevel::Success, false); |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | pub(crate) fn apply_compaction_failed(app: &mut App, id: &str, auto: bool, message: String) { |
| 349 | if settle_compaction(app, id, auto) { |
| 350 | add_compaction_receipt(app, &message); |
| 351 | // A pass the user asked for keeps its sticky footer error. An |
| 352 | // automatic pass is the engine's own recovery: the transcript receipt |
| 353 | // records it, and when the turn then fails its error line is the |
| 354 | // headline. Echoing the same failure in the footer made one failure |
| 355 | // read as three (experience mark 2). |
| 356 | if !auto { |
| 357 | set_explicit_compaction_status(app, message, StatusToastLevel::Error, true); |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | pub(crate) fn apply_compaction_cancelled(app: &mut App, id: &str, auto: bool, message: String) { |
| 363 | if settle_compaction(app, id, auto) { |
| 364 | add_compaction_receipt(app, &message); |
| 365 | set_explicit_compaction_status(app, message, StatusToastLevel::Info, false); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /// Esc/Ctrl+C during a compact that is serving an in-flight turn must stop |
| 370 | /// the turn. Compact-only (manual `/compact` with no model request) still |
| 371 | /// cancels just the pass. |
| 372 | #[must_use] |
| 373 | pub(crate) fn compact_interrupt_should_stop_turn(app: &App) -> bool { |
| 374 | (app.is_compacting || app.manual_compaction_queued) |
| 375 | && (app.is_loading || matches!(app.runtime_turn_status.as_deref(), Some("in_progress"))) |
| 376 | } |
| 377 | |
| 378 | /// Cancel the exact queued or running pass without cancelling an unrelated |
| 379 | /// model turn. A locally deferred request has never entered the engine, so it |
| 380 | /// can settle synchronously with no provider call; all dispatched requests |
| 381 | /// wait for the authoritative typed terminal event. |
| 382 | pub(crate) fn try_cancel_compaction(app: &mut App, engine_handle: &EngineHandle) -> bool { |
| 383 | if !app.is_compacting && !app.manual_compaction_queued { |
| 384 | return false; |
| 385 | } |
| 386 | |
| 387 | if !app.is_compacting && app.deferred_manual_compaction.take().is_some() { |
| 388 | app.manual_compaction_queued = false; |
| 389 | app.manual_compaction_id = None; |
| 390 | let message = "Making room stopped before it started".to_string(); |
| 391 | add_compaction_receipt(app, &message); |
| 392 | set_explicit_compaction_status(app, message, StatusToastLevel::Info, false); |
| 393 | return true; |
| 394 | } |
| 395 | |
| 396 | let id = app |
| 397 | .active_compaction |
| 398 | .as_ref() |
| 399 | .map(|active| active.id.clone()) |
| 400 | .or_else(|| app.manual_compaction_id.clone()); |
| 401 | let Some(id) = id else { |
| 402 | return false; |
| 403 | }; |
| 404 | |
| 405 | match engine_handle.cancel_compaction(id) { |
| 406 | Ok(()) => { |
| 407 | set_explicit_compaction_status( |
| 408 | app, |
| 409 | "Stopping making room…".to_string(), |
| 410 | StatusToastLevel::Info, |
| 411 | false, |
| 412 | ); |
| 413 | } |
| 414 | Err(error) => { |
| 415 | let message = format!("Could not stop making room: {error}"); |
| 416 | add_compaction_receipt(app, &message); |
| 417 | set_explicit_compaction_status(app, message, StatusToastLevel::Error, true); |
| 418 | } |
| 419 | } |
| 420 | true |
| 421 | } |
| 422 | |
| 423 | #[cfg(test)] |
| 424 | pub(crate) fn maybe_warn_context_pressure(app: &mut App) { |
| 425 | let config = app.compaction_config(); |
| 426 | maybe_warn_context_pressure_for_config(app, &config); |
| 427 | } |
| 428 | |
| 429 | pub(crate) fn maybe_warn_context_pressure_for_config( |
| 430 | app: &mut App, |
| 431 | config: &crate::compaction::CompactionConfig, |
| 432 | ) { |
| 433 | if config.enabled { |
| 434 | app.dismiss_context_pressure_warning(); |
| 435 | app.context_pressure_warning_dismissed = None; |
| 436 | return; |
| 437 | } |
| 438 | let max = config.effective_context_window.unwrap_or_else(|| { |
| 439 | crate::route_budget::route_context_window_tokens( |
| 440 | app.api_provider, |
| 441 | app.effective_model_for_budget(), |
| 442 | app.active_route_limits, |
| 443 | ) |
| 444 | }); |
| 445 | let Some((used, max, percent)) = context_usage_snapshot_for_window(app, max) else { |
| 446 | return; |
| 447 | }; |
| 448 | |
| 449 | let configured_threshold = app.auto_compact_threshold_percent.clamp(10.0, 100.0); |
| 450 | let warning_threshold = CONTEXT_SUGGEST_COMPACT_THRESHOLD_PERCENT.min(configured_threshold); |
| 451 | if percent < warning_threshold { |
| 452 | app.context_pressure_warning_dismissed = None; |
| 453 | if app.sticky_status.as_ref().is_some_and(|status| { |
| 454 | matches!( |
| 455 | status.kind, |
| 456 | crate::tui::app::StatusToastKind::ContextPressure(_) |
| 457 | ) |
| 458 | }) { |
| 459 | app.clear_sticky_status(); |
| 460 | } |
| 461 | app.context_pressure_warning_dismissed = None; |
| 462 | return; |
| 463 | } |
| 464 | let pressure_level = if percent >= CONTEXT_CRITICAL_THRESHOLD_PERCENT { |
| 465 | crate::context_budget::PressureLevel::Critical |
| 466 | } else if percent >= CONTEXT_WARNING_THRESHOLD_PERCENT { |
| 467 | crate::context_budget::PressureLevel::High |
| 468 | } else { |
| 469 | crate::context_budget::PressureLevel::Medium |
| 470 | }; |
| 471 | if app |
| 472 | .context_pressure_warning_dismissed |
| 473 | .is_some_and(|dismissed| pressure_level <= dismissed) |
| 474 | { |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | // #5239: the meter drives real budgets off this window, so an unverified |
| 479 | // one must say so next to the numbers that depend on it. |
| 480 | let window_note = if app.active_context_window_source.is_verified() { |
| 481 | "" |
| 482 | } else { |
| 483 | ", unverified window" |
| 484 | }; |
| 485 | |
| 486 | let recommendation = "Making room automatically is off. Turn on auto_compact or use /compact."; |
| 487 | |
| 488 | if percent >= CONTEXT_CRITICAL_THRESHOLD_PERCENT { |
| 489 | set_context_pressure_status( |
| 490 | app, |
| 491 | format!( |
| 492 | "Context critical: {percent:.0}% ({used}/{max} tokens{window_note}). {recommendation}" |
| 493 | ), |
| 494 | pressure_level, |
| 495 | ); |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | let status_prefix = if percent >= CONTEXT_WARNING_THRESHOLD_PERCENT { |
| 500 | "Context high" |
| 501 | } else { |
| 502 | "Context building" |
| 503 | }; |
| 504 | set_context_pressure_status( |
| 505 | app, |
| 506 | format!( |
| 507 | "{status_prefix}: {percent:.0}% ({used}/{max} tokens{window_note}). {recommendation}" |
| 508 | ), |
| 509 | pressure_level, |
| 510 | ); |
| 511 | } |
| 512 | |
| 513 | fn set_context_pressure_status( |
| 514 | app: &mut App, |
| 515 | text: String, |
| 516 | pressure_level: crate::context_budget::PressureLevel, |
| 517 | ) { |
| 518 | let can_replace = app.sticky_status.as_ref().is_none_or(|status| { |
| 519 | matches!( |
| 520 | status.kind, |
| 521 | crate::tui::app::StatusToastKind::ContextPressure(_) |
| 522 | ) |
| 523 | }); |
| 524 | if !can_replace { |
| 525 | return; |
| 526 | } |
| 527 | app.status_message = Some(text.clone()); |
| 528 | app.last_status_message_seen = Some(text.clone()); |
| 529 | // No TTL: this warning stays visible until compaction or explicit Esc |
| 530 | // dismissal instead of being pushed out by later transcript activity. |
| 531 | app.sticky_status = Some(crate::tui::app::StatusToast::context_pressure( |
| 532 | text, |
| 533 | pressure_level, |
| 534 | )); |
| 535 | app.needs_redraw = true; |
| 536 | } |
| 537 | |
| 538 | #[cfg(test)] |
| 539 | mod config_update_tests { |
| 540 | use super::*; |
| 541 | use crate::core::engine::mock_engine_handle; |
| 542 | use crate::core::ops::Op; |
| 543 | |
| 544 | #[tokio::test] |
| 545 | async fn live_compaction_update_queues_without_waiting_on_engine() { |
| 546 | let mut mock = mock_engine_handle(); |
| 547 | let compaction = crate::compaction::CompactionConfig { |
| 548 | enabled: false, |
| 549 | token_threshold: 123, |
| 550 | model: "deepseek-v4-flash".to_string(), |
| 551 | effective_context_window: Some(128_000), |
| 552 | cache_summary: true, |
| 553 | focus: None, |
| 554 | runtime_cost_owner: None, |
| 555 | workspace: None, |
| 556 | image_input: crate::model_profile::SupportState::Unknown, |
| 557 | summary_instructions: None, |
| 558 | retained_user_message_tokens: |
| 559 | crate::config::DEFAULT_COMPACTION_RETAINED_USER_MESSAGE_TOKENS, |
| 560 | }; |
| 561 | |
| 562 | assert!(try_apply_model_and_compaction_update( |
| 563 | &mock.handle, |
| 564 | compaction.clone(), |
| 565 | AppMode::Agent, |
| 566 | None, |
| 567 | )); |
| 568 | |
| 569 | assert!(matches!( |
| 570 | mock.rx_op.recv().await, |
| 571 | Some(Op::SetModel { |
| 572 | model, |
| 573 | mode: AppMode::Agent, |
| 574 | route_limits: None, |
| 575 | }) if model == compaction.model |
| 576 | )); |
| 577 | assert!(matches!( |
| 578 | mock.rx_op.recv().await, |
| 579 | Some(Op::SetCompaction { config }) if config == compaction |
| 580 | )); |
| 581 | } |
| 582 | |
| 583 | /// U03-05: with room for only one op, neither half of the route update |
| 584 | /// is queued; a model without its compaction budget is a half-applied |
| 585 | /// route with nothing to roll it back. |
| 586 | #[tokio::test] |
| 587 | async fn live_compaction_update_is_all_or_nothing_when_one_slot_is_free() { |
| 588 | let mut mock = mock_engine_handle(); |
| 589 | let mut fillers = 0; |
| 590 | while mock.handle.tx_op.capacity() > 1 { |
| 591 | mock.handle |
| 592 | .try_send(Op::ListSubAgents) |
| 593 | .expect("filler op fits"); |
| 594 | fillers += 1; |
| 595 | } |
| 596 | let compaction = crate::compaction::CompactionConfig { |
| 597 | model: "deepseek-v4-flash".to_string(), |
| 598 | ..crate::compaction::CompactionConfig::default() |
| 599 | }; |
| 600 | |
| 601 | assert!(!try_apply_model_and_compaction_update( |
| 602 | &mock.handle, |
| 603 | compaction, |
| 604 | AppMode::Agent, |
| 605 | None, |
| 606 | )); |
| 607 | |
| 608 | for _ in 0..fillers { |
| 609 | assert!(matches!(mock.rx_op.try_recv(), Ok(Op::ListSubAgents))); |
| 610 | } |
| 611 | assert!( |
| 612 | mock.rx_op.try_recv().is_err(), |
| 613 | "no half of the route update may be queued" |
| 614 | ); |
| 615 | } |
| 616 | } |
| 617 |