1mod connection;
2mod diff;
3mod mention;
4mod terminal;
5
6use agent_settings::AgentSettings;
7use collections::HashSet;
8pub use connection::*;
9pub use diff::*;
10use language::language_settings::FormatOnSave;
11pub use mention::*;
12use project::lsp_store::{FormatTrigger, LspFormatTarget};
13use serde::{Deserialize, Serialize};
14use settings::Settings as _;
15use task::{Shell, ShellBuilder};
16pub use terminal::*;
17
18use action_log::{ActionLog, ActionLogTelemetry};
19use agent_client_protocol::{self as acp};
20use anyhow::{Context as _, Result, anyhow};
21use editor::Bias;
22use futures::{FutureExt, channel::oneshot, future::BoxFuture};
23use gpui::{AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task, WeakEntity};
24use itertools::Itertools;
25use language::{Anchor, Buffer, BufferSnapshot, LanguageRegistry, Point, ToPoint, text_diff};
26use markdown::Markdown;
27use project::{AgentLocation, Project, git_store::GitStoreCheckpoint};
28use std::collections::HashMap;
29use std::error::Error;
30use std::fmt::{Formatter, Write};
31use std::ops::Range;
32use std::process::ExitStatus;
33use std::rc::Rc;
34use std::time::{Duration, Instant};
35use std::{fmt::Display, mem, path::PathBuf, sync::Arc};
36use ui::App;
37use util::{ResultExt, get_default_system_shell_preferring_bash, paths::PathStyle};
38use uuid::Uuid;
39
40#[derive(Debug)]
41pub struct UserMessage {
42 pub id: Option<UserMessageId>,
43 pub content: ContentBlock,
44 pub chunks: Vec<acp::ContentBlock>,
45 pub checkpoint: Option<Checkpoint>,
46}
47
48#[derive(Debug)]
49pub struct Checkpoint {
50 git_checkpoint: GitStoreCheckpoint,
51 pub show: bool,
52}
53
54impl UserMessage {
55 fn to_markdown(&self, cx: &App) -> String {
56 let mut markdown = String::new();
57 if self
58 .checkpoint
59 .as_ref()
60 .is_some_and(|checkpoint| checkpoint.show)
61 {
62 writeln!(markdown, "## User (checkpoint)").unwrap();
63 } else {
64 writeln!(markdown, "## User").unwrap();
65 }
66 writeln!(markdown).unwrap();
67 writeln!(markdown, "{}", self.content.to_markdown(cx)).unwrap();
68 writeln!(markdown).unwrap();
69 markdown
70 }
71}
72
73#[derive(Debug, PartialEq)]
74pub struct AssistantMessage {
75 pub chunks: Vec<AssistantMessageChunk>,
76}
77
78impl AssistantMessage {
79 pub fn to_markdown(&self, cx: &App) -> String {
80 format!(
81 "## Assistant\n\n{}\n\n",
82 self.chunks
83 .iter()
84 .map(|chunk| chunk.to_markdown(cx))
85 .join("\n\n")
86 )
87 }
88}
89
90#[derive(Debug, PartialEq)]
91pub enum AssistantMessageChunk {
92 Message { block: ContentBlock },
93 Thought { block: ContentBlock },
94}
95
96impl AssistantMessageChunk {
97 pub fn from_str(
98 chunk: &str,
99 language_registry: &Arc<LanguageRegistry>,
100 path_style: PathStyle,
101 cx: &mut App,
102 ) -> Self {
103 Self::Message {
104 block: ContentBlock::new(chunk.into(), language_registry, path_style, cx),
105 }
106 }
107
108 fn to_markdown(&self, cx: &App) -> String {
109 match self {
110 Self::Message { block } => block.to_markdown(cx).to_string(),
111 Self::Thought { block } => {
112 format!("<thinking>\n{}\n</thinking>", block.to_markdown(cx))
113 }
114 }
115 }
116}
117
118#[derive(Debug)]
119pub enum AgentThreadEntry {
120 UserMessage(UserMessage),
121 AssistantMessage(AssistantMessage),
122 ToolCall(ToolCall),
123}
124
125impl AgentThreadEntry {
126 pub fn to_markdown(&self, cx: &App) -> String {
127 match self {
128 Self::UserMessage(message) => message.to_markdown(cx),
129 Self::AssistantMessage(message) => message.to_markdown(cx),
130 Self::ToolCall(tool_call) => tool_call.to_markdown(cx),
131 }
132 }
133
134 pub fn user_message(&self) -> Option<&UserMessage> {
135 if let AgentThreadEntry::UserMessage(message) = self {
136 Some(message)
137 } else {
138 None
139 }
140 }
141
142 pub fn diffs(&self) -> impl Iterator<Item = &Entity<Diff>> {
143 if let AgentThreadEntry::ToolCall(call) = self {
144 itertools::Either::Left(call.diffs())
145 } else {
146 itertools::Either::Right(std::iter::empty())
147 }
148 }
149
150 pub fn terminals(&self) -> impl Iterator<Item = &Entity<Terminal>> {
151 if let AgentThreadEntry::ToolCall(call) = self {
152 itertools::Either::Left(call.terminals())
153 } else {
154 itertools::Either::Right(std::iter::empty())
155 }
156 }
157
158 pub fn location(&self, ix: usize) -> Option<(acp::ToolCallLocation, AgentLocation)> {
159 if let AgentThreadEntry::ToolCall(ToolCall {
160 locations,
161 resolved_locations,
162 ..
163 }) = self
164 {
165 Some((
166 locations.get(ix)?.clone(),
167 resolved_locations.get(ix)?.clone()?,
168 ))
169 } else {
170 None
171 }
172 }
173}
174
175#[derive(Debug)]
176pub struct ToolCall {
177 pub id: acp::ToolCallId,
178 pub label: Entity<Markdown>,
179 pub kind: acp::ToolKind,
180 pub content: Vec<ToolCallContent>,
181 pub status: ToolCallStatus,
182 pub locations: Vec<acp::ToolCallLocation>,
183 pub resolved_locations: Vec<Option<AgentLocation>>,
184 pub raw_input: Option<serde_json::Value>,
185 pub raw_output: Option<serde_json::Value>,
186}
187
188impl ToolCall {
189 fn from_acp(
190 tool_call: acp::ToolCall,
191 status: ToolCallStatus,
192 language_registry: Arc<LanguageRegistry>,
193 path_style: PathStyle,
194 terminals: &HashMap<acp::TerminalId, Entity<Terminal>>,
195 cx: &mut App,
196 ) -> Result<Self> {
197 let title = if let Some((first_line, _)) = tool_call.title.split_once("\n") {
198 first_line.to_owned() + "…"
199 } else {
200 tool_call.title
201 };
202 let mut content = Vec::with_capacity(tool_call.content.len());
203 for item in tool_call.content {
204 content.push(ToolCallContent::from_acp(
205 item,
206 language_registry.clone(),
207 path_style,
208 terminals,
209 cx,
210 )?);
211 }
212
213 let result = Self {
214 id: tool_call.id,
215 label: cx
216 .new(|cx| Markdown::new(title.into(), Some(language_registry.clone()), None, cx)),
217 kind: tool_call.kind,
218 content,
219 locations: tool_call.locations,
220 resolved_locations: Vec::default(),
221 status,
222 raw_input: tool_call.raw_input,
223 raw_output: tool_call.raw_output,
224 };
225 Ok(result)
226 }
227
228 fn update_fields(
229 &mut self,
230 fields: acp::ToolCallUpdateFields,
231 language_registry: Arc<LanguageRegistry>,
232 path_style: PathStyle,
233 terminals: &HashMap<acp::TerminalId, Entity<Terminal>>,
234 cx: &mut App,
235 ) -> Result<()> {
236 let acp::ToolCallUpdateFields {
237 kind,
238 status,
239 title,
240 content,
241 locations,
242 raw_input,
243 raw_output,
244 } = fields;
245
246 if let Some(kind) = kind {
247 self.kind = kind;
248 }
249
250 if let Some(status) = status {
251 self.status = status.into();
252 }
253
254 if let Some(title) = title {
255 self.label.update(cx, |label, cx| {
256 if let Some((first_line, _)) = title.split_once("\n") {
257 label.replace(first_line.to_owned() + "…", cx)
258 } else {
259 label.replace(title, cx);
260 }
261 });
262 }
263
264 if let Some(content) = content {
265 let new_content_len = content.len();
266 let mut content = content.into_iter();
267
268 // Reuse existing content if we can
269 for (old, new) in self.content.iter_mut().zip(content.by_ref()) {
270 old.update_from_acp(new, language_registry.clone(), path_style, terminals, cx)?;
271 }
272 for new in content {
273 self.content.push(ToolCallContent::from_acp(
274 new,
275 language_registry.clone(),
276 path_style,
277 terminals,
278 cx,
279 )?)
280 }
281 self.content.truncate(new_content_len);
282 }
283
284 if let Some(locations) = locations {
285 self.locations = locations;
286 }
287
288 if let Some(raw_input) = raw_input {
289 self.raw_input = Some(raw_input);
290 }
291
292 if let Some(raw_output) = raw_output {
293 if self.content.is_empty()
294 && let Some(markdown) = markdown_for_raw_output(&raw_output, &language_registry, cx)
295 {
296 self.content
297 .push(ToolCallContent::ContentBlock(ContentBlock::Markdown {
298 markdown,
299 }));
300 }
301 self.raw_output = Some(raw_output);
302 }
303 Ok(())
304 }
305
306 pub fn diffs(&self) -> impl Iterator<Item = &Entity<Diff>> {
307 self.content.iter().filter_map(|content| match content {
308 ToolCallContent::Diff(diff) => Some(diff),
309 ToolCallContent::ContentBlock(_) => None,
310 ToolCallContent::Terminal(_) => None,
311 })
312 }
313
314 pub fn terminals(&self) -> impl Iterator<Item = &Entity<Terminal>> {
315 self.content.iter().filter_map(|content| match content {
316 ToolCallContent::Terminal(terminal) => Some(terminal),
317 ToolCallContent::ContentBlock(_) => None,
318 ToolCallContent::Diff(_) => None,
319 })
320 }
321
322 fn to_markdown(&self, cx: &App) -> String {
323 let mut markdown = format!(
324 "**Tool Call: {}**\nStatus: {}\n\n",
325 self.label.read(cx).source(),
326 self.status
327 );
328 for content in &self.content {
329 markdown.push_str(content.to_markdown(cx).as_str());
330 markdown.push_str("\n\n");
331 }
332 markdown
333 }
334
335 async fn resolve_location(
336 location: acp::ToolCallLocation,
337 project: WeakEntity<Project>,
338 cx: &mut AsyncApp,
339 ) -> Option<ResolvedLocation> {
340 let buffer = project
341 .update(cx, |project, cx| {
342 project
343 .project_path_for_absolute_path(&location.path, cx)
344 .map(|path| project.open_buffer(path, cx))
345 })
346 .ok()??;
347 let buffer = buffer.await.log_err()?;
348 let position = buffer
349 .update(cx, |buffer, _| {
350 if let Some(row) = location.line {
351 let snapshot = buffer.snapshot();
352 let column = snapshot.indent_size_for_line(row).len;
353 let point = snapshot.clip_point(Point::new(row, column), Bias::Left);
354 snapshot.anchor_before(point)
355 } else {
356 Anchor::MIN
357 }
358 })
359 .ok()?;
360
361 Some(ResolvedLocation { buffer, position })
362 }
363
364 fn resolve_locations(
365 &self,
366 project: Entity<Project>,
367 cx: &mut App,
368 ) -> Task<Vec<Option<ResolvedLocation>>> {
369 let locations = self.locations.clone();
370 project.update(cx, |_, cx| {
371 cx.spawn(async move |project, cx| {
372 let mut new_locations = Vec::new();
373 for location in locations {
374 new_locations.push(Self::resolve_location(location, project.clone(), cx).await);
375 }
376 new_locations
377 })
378 })
379 }
380}
381
382// Separate so we can hold a strong reference to the buffer
383// for saving on the thread
384#[derive(Clone, Debug, PartialEq, Eq)]
385struct ResolvedLocation {
386 buffer: Entity<Buffer>,
387 position: Anchor,
388}
389
390impl From<&ResolvedLocation> for AgentLocation {
391 fn from(value: &ResolvedLocation) -> Self {
392 Self {
393 buffer: value.buffer.downgrade(),
394 position: value.position,
395 }
396 }
397}
398
399#[derive(Debug)]
400pub enum ToolCallStatus {
401 /// The tool call hasn't started running yet, but we start showing it to
402 /// the user.
403 Pending,
404 /// The tool call is waiting for confirmation from the user.
405 WaitingForConfirmation {
406 options: Vec<acp::PermissionOption>,
407 respond_tx: oneshot::Sender<acp::PermissionOptionId>,
408 },
409 /// The tool call is currently running.
410 InProgress,
411 /// The tool call completed successfully.
412 Completed,
413 /// The tool call failed.
414 Failed,
415 /// The user rejected the tool call.
416 Rejected,
417 /// The user canceled generation so the tool call was canceled.
418 Canceled,
419}
420
421impl From<acp::ToolCallStatus> for ToolCallStatus {
422 fn from(status: acp::ToolCallStatus) -> Self {
423 match status {
424 acp::ToolCallStatus::Pending => Self::Pending,
425 acp::ToolCallStatus::InProgress => Self::InProgress,
426 acp::ToolCallStatus::Completed => Self::Completed,
427 acp::ToolCallStatus::Failed => Self::Failed,
428 }
429 }
430}
431
432impl Display for ToolCallStatus {
433 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
434 write!(
435 f,
436 "{}",
437 match self {
438 ToolCallStatus::Pending => "Pending",
439 ToolCallStatus::WaitingForConfirmation { .. } => "Waiting for confirmation",
440 ToolCallStatus::InProgress => "In Progress",
441 ToolCallStatus::Completed => "Completed",
442 ToolCallStatus::Failed => "Failed",
443 ToolCallStatus::Rejected => "Rejected",
444 ToolCallStatus::Canceled => "Canceled",
445 }
446 )
447 }
448}
449
450#[derive(Debug, PartialEq, Clone)]
451pub enum ContentBlock {
452 Empty,
453 Markdown { markdown: Entity<Markdown> },
454 ResourceLink { resource_link: acp::ResourceLink },
455}
456
457impl ContentBlock {
458 pub fn new(
459 block: acp::ContentBlock,
460 language_registry: &Arc<LanguageRegistry>,
461 path_style: PathStyle,
462 cx: &mut App,
463 ) -> Self {
464 let mut this = Self::Empty;
465 this.append(block, language_registry, path_style, cx);
466 this
467 }
468
469 pub fn new_combined(
470 blocks: impl IntoIterator<Item = acp::ContentBlock>,
471 language_registry: Arc<LanguageRegistry>,
472 path_style: PathStyle,
473 cx: &mut App,
474 ) -> Self {
475 let mut this = Self::Empty;
476 for block in blocks {
477 this.append(block, &language_registry, path_style, cx);
478 }
479 this
480 }
481
482 pub fn append(
483 &mut self,
484 block: acp::ContentBlock,
485 language_registry: &Arc<LanguageRegistry>,
486 path_style: PathStyle,
487 cx: &mut App,
488 ) {
489 if matches!(self, ContentBlock::Empty)
490 && let acp::ContentBlock::ResourceLink(resource_link) = block
491 {
492 *self = ContentBlock::ResourceLink { resource_link };
493 return;
494 }
495
496 let new_content = self.block_string_contents(block, path_style);
497
498 match self {
499 ContentBlock::Empty => {
500 *self = Self::create_markdown_block(new_content, language_registry, cx);
501 }
502 ContentBlock::Markdown { markdown } => {
503 markdown.update(cx, |markdown, cx| markdown.append(&new_content, cx));
504 }
505 ContentBlock::ResourceLink { resource_link } => {
506 let existing_content = Self::resource_link_md(&resource_link.uri, path_style);
507 let combined = format!("{}\n{}", existing_content, new_content);
508
509 *self = Self::create_markdown_block(combined, language_registry, cx);
510 }
511 }
512 }
513
514 fn create_markdown_block(
515 content: String,
516 language_registry: &Arc<LanguageRegistry>,
517 cx: &mut App,
518 ) -> ContentBlock {
519 ContentBlock::Markdown {
520 markdown: cx
521 .new(|cx| Markdown::new(content.into(), Some(language_registry.clone()), None, cx)),
522 }
523 }
524
525 fn block_string_contents(&self, block: acp::ContentBlock, path_style: PathStyle) -> String {
526 match block {
527 acp::ContentBlock::Text(text_content) => text_content.text,
528 acp::ContentBlock::ResourceLink(resource_link) => {
529 Self::resource_link_md(&resource_link.uri, path_style)
530 }
531 acp::ContentBlock::Resource(acp::EmbeddedResource {
532 resource:
533 acp::EmbeddedResourceResource::TextResourceContents(acp::TextResourceContents {
534 uri,
535 ..
536 }),
537 ..
538 }) => Self::resource_link_md(&uri, path_style),
539 acp::ContentBlock::Image(image) => Self::image_md(&image),
540 acp::ContentBlock::Audio(_) | acp::ContentBlock::Resource(_) => String::new(),
541 }
542 }
543
544 fn resource_link_md(uri: &str, path_style: PathStyle) -> String {
545 if let Some(uri) = MentionUri::parse(uri, path_style).log_err() {
546 uri.as_link().to_string()
547 } else {
548 uri.to_string()
549 }
550 }
551
552 fn image_md(_image: &acp::ImageContent) -> String {
553 "`Image`".into()
554 }
555
556 pub fn to_markdown<'a>(&'a self, cx: &'a App) -> &'a str {
557 match self {
558 ContentBlock::Empty => "",
559 ContentBlock::Markdown { markdown } => markdown.read(cx).source(),
560 ContentBlock::ResourceLink { resource_link } => &resource_link.uri,
561 }
562 }
563
564 pub fn markdown(&self) -> Option<&Entity<Markdown>> {
565 match self {
566 ContentBlock::Empty => None,
567 ContentBlock::Markdown { markdown } => Some(markdown),
568 ContentBlock::ResourceLink { .. } => None,
569 }
570 }
571
572 pub fn resource_link(&self) -> Option<&acp::ResourceLink> {
573 match self {
574 ContentBlock::ResourceLink { resource_link } => Some(resource_link),
575 _ => None,
576 }
577 }
578}
579
580#[derive(Debug)]
581pub enum ToolCallContent {
582 ContentBlock(ContentBlock),
583 Diff(Entity<Diff>),
584 Terminal(Entity<Terminal>),
585}
586
587impl ToolCallContent {
588 pub fn from_acp(
589 content: acp::ToolCallContent,
590 language_registry: Arc<LanguageRegistry>,
591 path_style: PathStyle,
592 terminals: &HashMap<acp::TerminalId, Entity<Terminal>>,
593 cx: &mut App,
594 ) -> Result<Self> {
595 match content {
596 acp::ToolCallContent::Content { content } => Ok(Self::ContentBlock(ContentBlock::new(
597 content,
598 &language_registry,
599 path_style,
600 cx,
601 ))),
602 acp::ToolCallContent::Diff { diff } => Ok(Self::Diff(cx.new(|cx| {
603 Diff::finalized(
604 diff.path.to_string_lossy().into_owned(),
605 diff.old_text,
606 diff.new_text,
607 language_registry,
608 cx,
609 )
610 }))),
611 acp::ToolCallContent::Terminal { terminal_id } => terminals
612 .get(&terminal_id)
613 .cloned()
614 .map(Self::Terminal)
615 .ok_or_else(|| anyhow::anyhow!("Terminal with id `{}` not found", terminal_id)),
616 }
617 }
618
619 pub fn update_from_acp(
620 &mut self,
621 new: acp::ToolCallContent,
622 language_registry: Arc<LanguageRegistry>,
623 path_style: PathStyle,
624 terminals: &HashMap<acp::TerminalId, Entity<Terminal>>,
625 cx: &mut App,
626 ) -> Result<()> {
627 let needs_update = match (&self, &new) {
628 (Self::Diff(old_diff), acp::ToolCallContent::Diff { diff: new_diff }) => {
629 old_diff.read(cx).needs_update(
630 new_diff.old_text.as_deref().unwrap_or(""),
631 &new_diff.new_text,
632 cx,
633 )
634 }
635 _ => true,
636 };
637
638 if needs_update {
639 *self = Self::from_acp(new, language_registry, path_style, terminals, cx)?;
640 }
641 Ok(())
642 }
643
644 pub fn to_markdown(&self, cx: &App) -> String {
645 match self {
646 Self::ContentBlock(content) => content.to_markdown(cx).to_string(),
647 Self::Diff(diff) => diff.read(cx).to_markdown(cx),
648 Self::Terminal(terminal) => terminal.read(cx).to_markdown(cx),
649 }
650 }
651}
652
653#[derive(Debug, PartialEq)]
654pub enum ToolCallUpdate {
655 UpdateFields(acp::ToolCallUpdate),
656 UpdateDiff(ToolCallUpdateDiff),
657 UpdateTerminal(ToolCallUpdateTerminal),
658}
659
660impl ToolCallUpdate {
661 fn id(&self) -> &acp::ToolCallId {
662 match self {
663 Self::UpdateFields(update) => &update.id,
664 Self::UpdateDiff(diff) => &diff.id,
665 Self::UpdateTerminal(terminal) => &terminal.id,
666 }
667 }
668}
669
670impl From<acp::ToolCallUpdate> for ToolCallUpdate {
671 fn from(update: acp::ToolCallUpdate) -> Self {
672 Self::UpdateFields(update)
673 }
674}
675
676impl From<ToolCallUpdateDiff> for ToolCallUpdate {
677 fn from(diff: ToolCallUpdateDiff) -> Self {
678 Self::UpdateDiff(diff)
679 }
680}
681
682#[derive(Debug, PartialEq)]
683pub struct ToolCallUpdateDiff {
684 pub id: acp::ToolCallId,
685 pub diff: Entity<Diff>,
686}
687
688impl From<ToolCallUpdateTerminal> for ToolCallUpdate {
689 fn from(terminal: ToolCallUpdateTerminal) -> Self {
690 Self::UpdateTerminal(terminal)
691 }
692}
693
694#[derive(Debug, PartialEq)]
695pub struct ToolCallUpdateTerminal {
696 pub id: acp::ToolCallId,
697 pub terminal: Entity<Terminal>,
698}
699
700#[derive(Debug, Default)]
701pub struct Plan {
702 pub entries: Vec<PlanEntry>,
703}
704
705#[derive(Debug)]
706pub struct PlanStats<'a> {
707 pub in_progress_entry: Option<&'a PlanEntry>,
708 pub pending: u32,
709 pub completed: u32,
710}
711
712impl Plan {
713 pub fn is_empty(&self) -> bool {
714 self.entries.is_empty()
715 }
716
717 pub fn stats(&self) -> PlanStats<'_> {
718 let mut stats = PlanStats {
719 in_progress_entry: None,
720 pending: 0,
721 completed: 0,
722 };
723
724 for entry in &self.entries {
725 match &entry.status {
726 acp::PlanEntryStatus::Pending => {
727 stats.pending += 1;
728 }
729 acp::PlanEntryStatus::InProgress => {
730 stats.in_progress_entry = stats.in_progress_entry.or(Some(entry));
731 }
732 acp::PlanEntryStatus::Completed => {
733 stats.completed += 1;
734 }
735 }
736 }
737
738 stats
739 }
740}
741
742#[derive(Debug)]
743pub struct PlanEntry {
744 pub content: Entity<Markdown>,
745 pub priority: acp::PlanEntryPriority,
746 pub status: acp::PlanEntryStatus,
747}
748
749impl PlanEntry {
750 pub fn from_acp(entry: acp::PlanEntry, cx: &mut App) -> Self {
751 Self {
752 content: cx.new(|cx| Markdown::new(entry.content.into(), None, None, cx)),
753 priority: entry.priority,
754 status: entry.status,
755 }
756 }
757}
758
759#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
760pub struct TokenUsage {
761 pub max_tokens: u64,
762 pub used_tokens: u64,
763}
764
765impl TokenUsage {
766 pub fn ratio(&self) -> TokenUsageRatio {
767 #[cfg(debug_assertions)]
768 let warning_threshold: f32 = std::env::var("ZED_THREAD_WARNING_THRESHOLD")
769 .unwrap_or("0.8".to_string())
770 .parse()
771 .unwrap();
772 #[cfg(not(debug_assertions))]
773 let warning_threshold: f32 = 0.8;
774
775 // When the maximum is unknown because there is no selected model,
776 // avoid showing the token limit warning.
777 if self.max_tokens == 0 {
778 TokenUsageRatio::Normal
779 } else if self.used_tokens >= self.max_tokens {
780 TokenUsageRatio::Exceeded
781 } else if self.used_tokens as f32 / self.max_tokens as f32 >= warning_threshold {
782 TokenUsageRatio::Warning
783 } else {
784 TokenUsageRatio::Normal
785 }
786 }
787}
788
789#[derive(Debug, Clone, PartialEq, Eq)]
790pub enum TokenUsageRatio {
791 Normal,
792 Warning,
793 Exceeded,
794}
795
796#[derive(Debug, Clone)]
797pub struct RetryStatus {
798 pub last_error: SharedString,
799 pub attempt: usize,
800 pub max_attempts: usize,
801 pub started_at: Instant,
802 pub duration: Duration,
803}
804
805pub struct AcpThread {
806 title: SharedString,
807 entries: Vec<AgentThreadEntry>,
808 plan: Plan,
809 project: Entity<Project>,
810 action_log: Entity<ActionLog>,
811 shared_buffers: HashMap<Entity<Buffer>, BufferSnapshot>,
812 send_task: Option<Task<()>>,
813 connection: Rc<dyn AgentConnection>,
814 session_id: acp::SessionId,
815 token_usage: Option<TokenUsage>,
816 prompt_capabilities: acp::PromptCapabilities,
817 _observe_prompt_capabilities: Task<anyhow::Result<()>>,
818 terminals: HashMap<acp::TerminalId, Entity<Terminal>>,
819 pending_terminal_output: HashMap<acp::TerminalId, Vec<Vec<u8>>>,
820 pending_terminal_exit: HashMap<acp::TerminalId, acp::TerminalExitStatus>,
821}
822
823impl From<&AcpThread> for ActionLogTelemetry {
824 fn from(value: &AcpThread) -> Self {
825 Self {
826 agent_telemetry_id: value.connection().telemetry_id(),
827 session_id: value.session_id.0.clone(),
828 }
829 }
830}
831
832#[derive(Debug)]
833pub enum AcpThreadEvent {
834 NewEntry,
835 TitleUpdated,
836 TokenUsageUpdated,
837 EntryUpdated(usize),
838 EntriesRemoved(Range<usize>),
839 ToolAuthorizationRequired,
840 Retry(RetryStatus),
841 Stopped,
842 Error,
843 LoadError(LoadError),
844 PromptCapabilitiesUpdated,
845 Refusal,
846 AvailableCommandsUpdated(Vec<acp::AvailableCommand>),
847 ModeUpdated(acp::SessionModeId),
848}
849
850impl EventEmitter<AcpThreadEvent> for AcpThread {}
851
852#[derive(Debug, Clone)]
853pub enum TerminalProviderEvent {
854 Created {
855 terminal_id: acp::TerminalId,
856 label: String,
857 cwd: Option<PathBuf>,
858 output_byte_limit: Option<u64>,
859 terminal: Entity<::terminal::Terminal>,
860 },
861 Output {
862 terminal_id: acp::TerminalId,
863 data: Vec<u8>,
864 },
865 TitleChanged {
866 terminal_id: acp::TerminalId,
867 title: String,
868 },
869 Exit {
870 terminal_id: acp::TerminalId,
871 status: acp::TerminalExitStatus,
872 },
873}
874
875#[derive(Debug, Clone)]
876pub enum TerminalProviderCommand {
877 WriteInput {
878 terminal_id: acp::TerminalId,
879 bytes: Vec<u8>,
880 },
881 Resize {
882 terminal_id: acp::TerminalId,
883 cols: u16,
884 rows: u16,
885 },
886 Close {
887 terminal_id: acp::TerminalId,
888 },
889}
890
891impl AcpThread {
892 pub fn on_terminal_provider_event(
893 &mut self,
894 event: TerminalProviderEvent,
895 cx: &mut Context<Self>,
896 ) {
897 match event {
898 TerminalProviderEvent::Created {
899 terminal_id,
900 label,
901 cwd,
902 output_byte_limit,
903 terminal,
904 } => {
905 let entity = self.register_terminal_created(
906 terminal_id.clone(),
907 label,
908 cwd,
909 output_byte_limit,
910 terminal,
911 cx,
912 );
913
914 if let Some(mut chunks) = self.pending_terminal_output.remove(&terminal_id) {
915 for data in chunks.drain(..) {
916 entity.update(cx, |term, cx| {
917 term.inner().update(cx, |inner, cx| {
918 inner.write_output(&data, cx);
919 })
920 });
921 }
922 }
923
924 if let Some(_status) = self.pending_terminal_exit.remove(&terminal_id) {
925 entity.update(cx, |_term, cx| {
926 cx.notify();
927 });
928 }
929
930 cx.notify();
931 }
932 TerminalProviderEvent::Output { terminal_id, data } => {
933 if let Some(entity) = self.terminals.get(&terminal_id) {
934 entity.update(cx, |term, cx| {
935 term.inner().update(cx, |inner, cx| {
936 inner.write_output(&data, cx);
937 })
938 });
939 } else {
940 self.pending_terminal_output
941 .entry(terminal_id)
942 .or_default()
943 .push(data);
944 }
945 }
946 TerminalProviderEvent::TitleChanged { terminal_id, title } => {
947 if let Some(entity) = self.terminals.get(&terminal_id) {
948 entity.update(cx, |term, cx| {
949 term.inner().update(cx, |inner, cx| {
950 inner.breadcrumb_text = title;
951 cx.emit(::terminal::Event::BreadcrumbsChanged);
952 })
953 });
954 }
955 }
956 TerminalProviderEvent::Exit {
957 terminal_id,
958 status,
959 } => {
960 if let Some(entity) = self.terminals.get(&terminal_id) {
961 entity.update(cx, |_term, cx| {
962 cx.notify();
963 });
964 } else {
965 self.pending_terminal_exit.insert(terminal_id, status);
966 }
967 }
968 }
969 }
970}
971
972#[derive(PartialEq, Eq, Debug)]
973pub enum ThreadStatus {
974 Idle,
975 Generating,
976}
977
978#[derive(Debug, Clone)]
979pub enum LoadError {
980 Unsupported {
981 command: SharedString,
982 current_version: SharedString,
983 minimum_version: SharedString,
984 },
985 FailedToInstall(SharedString),
986 Exited {
987 status: ExitStatus,
988 },
989 Other(SharedString),
990}
991
992impl Display for LoadError {
993 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
994 match self {
995 LoadError::Unsupported {
996 command: path,
997 current_version,
998 minimum_version,
999 } => {
1000 write!(
1001 f,
1002 "version {current_version} from {path} is not supported (need at least {minimum_version})"
1003 )
1004 }
1005 LoadError::FailedToInstall(msg) => write!(f, "Failed to install: {msg}"),
1006 LoadError::Exited { status } => write!(f, "Server exited with status {status}"),
1007 LoadError::Other(msg) => write!(f, "{msg}"),
1008 }
1009 }
1010}
1011
1012impl Error for LoadError {}
1013
1014impl AcpThread {
1015 pub fn new(
1016 title: impl Into<SharedString>,
1017 connection: Rc<dyn AgentConnection>,
1018 project: Entity<Project>,
1019 action_log: Entity<ActionLog>,
1020 session_id: acp::SessionId,
1021 mut prompt_capabilities_rx: watch::Receiver<acp::PromptCapabilities>,
1022 cx: &mut Context<Self>,
1023 ) -> Self {
1024 let prompt_capabilities = prompt_capabilities_rx.borrow().clone();
1025 let task = cx.spawn::<_, anyhow::Result<()>>(async move |this, cx| {
1026 loop {
1027 let caps = prompt_capabilities_rx.recv().await?;
1028 this.update(cx, |this, cx| {
1029 this.prompt_capabilities = caps;
1030 cx.emit(AcpThreadEvent::PromptCapabilitiesUpdated);
1031 })?;
1032 }
1033 });
1034
1035 Self {
1036 action_log,
1037 shared_buffers: Default::default(),
1038 entries: Default::default(),
1039 plan: Default::default(),
1040 title: title.into(),
1041 project,
1042 send_task: None,
1043 connection,
1044 session_id,
1045 token_usage: None,
1046 prompt_capabilities,
1047 _observe_prompt_capabilities: task,
1048 terminals: HashMap::default(),
1049 pending_terminal_output: HashMap::default(),
1050 pending_terminal_exit: HashMap::default(),
1051 }
1052 }
1053
1054 pub fn prompt_capabilities(&self) -> acp::PromptCapabilities {
1055 self.prompt_capabilities.clone()
1056 }
1057
1058 pub fn connection(&self) -> &Rc<dyn AgentConnection> {
1059 &self.connection
1060 }
1061
1062 pub fn action_log(&self) -> &Entity<ActionLog> {
1063 &self.action_log
1064 }
1065
1066 pub fn project(&self) -> &Entity<Project> {
1067 &self.project
1068 }
1069
1070 pub fn title(&self) -> SharedString {
1071 self.title.clone()
1072 }
1073
1074 pub fn entries(&self) -> &[AgentThreadEntry] {
1075 &self.entries
1076 }
1077
1078 pub fn session_id(&self) -> &acp::SessionId {
1079 &self.session_id
1080 }
1081
1082 pub fn status(&self) -> ThreadStatus {
1083 if self.send_task.is_some() {
1084 ThreadStatus::Generating
1085 } else {
1086 ThreadStatus::Idle
1087 }
1088 }
1089
1090 pub fn token_usage(&self) -> Option<&TokenUsage> {
1091 self.token_usage.as_ref()
1092 }
1093
1094 pub fn has_pending_edit_tool_calls(&self) -> bool {
1095 for entry in self.entries.iter().rev() {
1096 match entry {
1097 AgentThreadEntry::UserMessage(_) => return false,
1098 AgentThreadEntry::ToolCall(
1099 call @ ToolCall {
1100 status: ToolCallStatus::InProgress | ToolCallStatus::Pending,
1101 ..
1102 },
1103 ) if call.diffs().next().is_some() => {
1104 return true;
1105 }
1106 AgentThreadEntry::ToolCall(_) | AgentThreadEntry::AssistantMessage(_) => {}
1107 }
1108 }
1109
1110 false
1111 }
1112
1113 pub fn used_tools_since_last_user_message(&self) -> bool {
1114 for entry in self.entries.iter().rev() {
1115 match entry {
1116 AgentThreadEntry::UserMessage(..) => return false,
1117 AgentThreadEntry::AssistantMessage(..) => continue,
1118 AgentThreadEntry::ToolCall(..) => return true,
1119 }
1120 }
1121
1122 false
1123 }
1124
1125 pub fn handle_session_update(
1126 &mut self,
1127 update: acp::SessionUpdate,
1128 cx: &mut Context<Self>,
1129 ) -> Result<(), acp::Error> {
1130 match update {
1131 acp::SessionUpdate::UserMessageChunk(acp::ContentChunk { content, .. }) => {
1132 self.push_user_content_block(None, content, cx);
1133 }
1134 acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk { content, .. }) => {
1135 self.push_assistant_content_block(content, false, cx);
1136 }
1137 acp::SessionUpdate::AgentThoughtChunk(acp::ContentChunk { content, .. }) => {
1138 self.push_assistant_content_block(content, true, cx);
1139 }
1140 acp::SessionUpdate::ToolCall(tool_call) => {
1141 self.upsert_tool_call(tool_call, cx)?;
1142 }
1143 acp::SessionUpdate::ToolCallUpdate(tool_call_update) => {
1144 self.update_tool_call(tool_call_update, cx)?;
1145 }
1146 acp::SessionUpdate::Plan(plan) => {
1147 self.update_plan(plan, cx);
1148 }
1149 acp::SessionUpdate::AvailableCommandsUpdate(acp::AvailableCommandsUpdate {
1150 available_commands,
1151 ..
1152 }) => cx.emit(AcpThreadEvent::AvailableCommandsUpdated(available_commands)),
1153 acp::SessionUpdate::CurrentModeUpdate(acp::CurrentModeUpdate {
1154 current_mode_id,
1155 ..
1156 }) => cx.emit(AcpThreadEvent::ModeUpdated(current_mode_id)),
1157 }
1158 Ok(())
1159 }
1160
1161 pub fn push_user_content_block(
1162 &mut self,
1163 message_id: Option<UserMessageId>,
1164 chunk: acp::ContentBlock,
1165 cx: &mut Context<Self>,
1166 ) {
1167 let language_registry = self.project.read(cx).languages().clone();
1168 let path_style = self.project.read(cx).path_style(cx);
1169 let entries_len = self.entries.len();
1170
1171 if let Some(last_entry) = self.entries.last_mut()
1172 && let AgentThreadEntry::UserMessage(UserMessage {
1173 id,
1174 content,
1175 chunks,
1176 ..
1177 }) = last_entry
1178 {
1179 *id = message_id.or(id.take());
1180 content.append(chunk.clone(), &language_registry, path_style, cx);
1181 chunks.push(chunk);
1182 let idx = entries_len - 1;
1183 cx.emit(AcpThreadEvent::EntryUpdated(idx));
1184 } else {
1185 let content = ContentBlock::new(chunk.clone(), &language_registry, path_style, cx);
1186 self.push_entry(
1187 AgentThreadEntry::UserMessage(UserMessage {
1188 id: message_id,
1189 content,
1190 chunks: vec![chunk],
1191 checkpoint: None,
1192 }),
1193 cx,
1194 );
1195 }
1196 }
1197
1198 pub fn push_assistant_content_block(
1199 &mut self,
1200 chunk: acp::ContentBlock,
1201 is_thought: bool,
1202 cx: &mut Context<Self>,
1203 ) {
1204 let language_registry = self.project.read(cx).languages().clone();
1205 let path_style = self.project.read(cx).path_style(cx);
1206 let entries_len = self.entries.len();
1207 if let Some(last_entry) = self.entries.last_mut()
1208 && let AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) = last_entry
1209 {
1210 let idx = entries_len - 1;
1211 cx.emit(AcpThreadEvent::EntryUpdated(idx));
1212 match (chunks.last_mut(), is_thought) {
1213 (Some(AssistantMessageChunk::Message { block }), false)
1214 | (Some(AssistantMessageChunk::Thought { block }), true) => {
1215 block.append(chunk, &language_registry, path_style, cx)
1216 }
1217 _ => {
1218 let block = ContentBlock::new(chunk, &language_registry, path_style, cx);
1219 if is_thought {
1220 chunks.push(AssistantMessageChunk::Thought { block })
1221 } else {
1222 chunks.push(AssistantMessageChunk::Message { block })
1223 }
1224 }
1225 }
1226 } else {
1227 let block = ContentBlock::new(chunk, &language_registry, path_style, cx);
1228 let chunk = if is_thought {
1229 AssistantMessageChunk::Thought { block }
1230 } else {
1231 AssistantMessageChunk::Message { block }
1232 };
1233
1234 self.push_entry(
1235 AgentThreadEntry::AssistantMessage(AssistantMessage {
1236 chunks: vec![chunk],
1237 }),
1238 cx,
1239 );
1240 }
1241 }
1242
1243 fn push_entry(&mut self, entry: AgentThreadEntry, cx: &mut Context<Self>) {
1244 self.entries.push(entry);
1245 cx.emit(AcpThreadEvent::NewEntry);
1246 }
1247
1248 pub fn can_set_title(&mut self, cx: &mut Context<Self>) -> bool {
1249 self.connection.set_title(&self.session_id, cx).is_some()
1250 }
1251
1252 pub fn set_title(&mut self, title: SharedString, cx: &mut Context<Self>) -> Task<Result<()>> {
1253 if title != self.title {
1254 self.title = title.clone();
1255 cx.emit(AcpThreadEvent::TitleUpdated);
1256 if let Some(set_title) = self.connection.set_title(&self.session_id, cx) {
1257 return set_title.run(title, cx);
1258 }
1259 }
1260 Task::ready(Ok(()))
1261 }
1262
1263 pub fn update_token_usage(&mut self, usage: Option<TokenUsage>, cx: &mut Context<Self>) {
1264 self.token_usage = usage;
1265 cx.emit(AcpThreadEvent::TokenUsageUpdated);
1266 }
1267
1268 pub fn update_retry_status(&mut self, status: RetryStatus, cx: &mut Context<Self>) {
1269 cx.emit(AcpThreadEvent::Retry(status));
1270 }
1271
1272 pub fn update_tool_call(
1273 &mut self,
1274 update: impl Into<ToolCallUpdate>,
1275 cx: &mut Context<Self>,
1276 ) -> Result<()> {
1277 let update = update.into();
1278 let languages = self.project.read(cx).languages().clone();
1279 let path_style = self.project.read(cx).path_style(cx);
1280
1281 let ix = match self.index_for_tool_call(update.id()) {
1282 Some(ix) => ix,
1283 None => {
1284 // Tool call not found - create a failed tool call entry
1285 let failed_tool_call = ToolCall {
1286 id: update.id().clone(),
1287 label: cx.new(|cx| Markdown::new("Tool call not found".into(), None, None, cx)),
1288 kind: acp::ToolKind::Fetch,
1289 content: vec![ToolCallContent::ContentBlock(ContentBlock::new(
1290 acp::ContentBlock::Text(acp::TextContent {
1291 text: "Tool call not found".to_string(),
1292 annotations: None,
1293 meta: None,
1294 }),
1295 &languages,
1296 path_style,
1297 cx,
1298 ))],
1299 status: ToolCallStatus::Failed,
1300 locations: Vec::new(),
1301 resolved_locations: Vec::new(),
1302 raw_input: None,
1303 raw_output: None,
1304 };
1305 self.push_entry(AgentThreadEntry::ToolCall(failed_tool_call), cx);
1306 return Ok(());
1307 }
1308 };
1309 let AgentThreadEntry::ToolCall(call) = &mut self.entries[ix] else {
1310 unreachable!()
1311 };
1312
1313 match update {
1314 ToolCallUpdate::UpdateFields(update) => {
1315 let location_updated = update.fields.locations.is_some();
1316 call.update_fields(update.fields, languages, path_style, &self.terminals, cx)?;
1317 if location_updated {
1318 self.resolve_locations(update.id, cx);
1319 }
1320 }
1321 ToolCallUpdate::UpdateDiff(update) => {
1322 call.content.clear();
1323 call.content.push(ToolCallContent::Diff(update.diff));
1324 }
1325 ToolCallUpdate::UpdateTerminal(update) => {
1326 call.content.clear();
1327 call.content
1328 .push(ToolCallContent::Terminal(update.terminal));
1329 }
1330 }
1331
1332 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1333
1334 Ok(())
1335 }
1336
1337 /// Updates a tool call if id matches an existing entry, otherwise inserts a new one.
1338 pub fn upsert_tool_call(
1339 &mut self,
1340 tool_call: acp::ToolCall,
1341 cx: &mut Context<Self>,
1342 ) -> Result<(), acp::Error> {
1343 let status = tool_call.status.into();
1344 self.upsert_tool_call_inner(tool_call.into(), status, cx)
1345 }
1346
1347 /// Fails if id does not match an existing entry.
1348 pub fn upsert_tool_call_inner(
1349 &mut self,
1350 update: acp::ToolCallUpdate,
1351 status: ToolCallStatus,
1352 cx: &mut Context<Self>,
1353 ) -> Result<(), acp::Error> {
1354 let language_registry = self.project.read(cx).languages().clone();
1355 let path_style = self.project.read(cx).path_style(cx);
1356 let id = update.id.clone();
1357
1358 let agent = self.connection().telemetry_id();
1359 let session = self.session_id();
1360 if let ToolCallStatus::Completed | ToolCallStatus::Failed = status {
1361 let status = if matches!(status, ToolCallStatus::Completed) {
1362 "completed"
1363 } else {
1364 "failed"
1365 };
1366 telemetry::event!("Agent Tool Call Completed", agent, session, status);
1367 }
1368
1369 if let Some(ix) = self.index_for_tool_call(&id) {
1370 let AgentThreadEntry::ToolCall(call) = &mut self.entries[ix] else {
1371 unreachable!()
1372 };
1373
1374 call.update_fields(
1375 update.fields,
1376 language_registry,
1377 path_style,
1378 &self.terminals,
1379 cx,
1380 )?;
1381 call.status = status;
1382
1383 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1384 } else {
1385 let call = ToolCall::from_acp(
1386 update.try_into()?,
1387 status,
1388 language_registry,
1389 self.project.read(cx).path_style(cx),
1390 &self.terminals,
1391 cx,
1392 )?;
1393 self.push_entry(AgentThreadEntry::ToolCall(call), cx);
1394 };
1395
1396 self.resolve_locations(id, cx);
1397 Ok(())
1398 }
1399
1400 fn index_for_tool_call(&self, id: &acp::ToolCallId) -> Option<usize> {
1401 self.entries
1402 .iter()
1403 .enumerate()
1404 .rev()
1405 .find_map(|(index, entry)| {
1406 if let AgentThreadEntry::ToolCall(tool_call) = entry
1407 && &tool_call.id == id
1408 {
1409 Some(index)
1410 } else {
1411 None
1412 }
1413 })
1414 }
1415
1416 fn tool_call_mut(&mut self, id: &acp::ToolCallId) -> Option<(usize, &mut ToolCall)> {
1417 // The tool call we are looking for is typically the last one, or very close to the end.
1418 // At the moment, it doesn't seem like a hashmap would be a good fit for this use case.
1419 self.entries
1420 .iter_mut()
1421 .enumerate()
1422 .rev()
1423 .find_map(|(index, tool_call)| {
1424 if let AgentThreadEntry::ToolCall(tool_call) = tool_call
1425 && &tool_call.id == id
1426 {
1427 Some((index, tool_call))
1428 } else {
1429 None
1430 }
1431 })
1432 }
1433
1434 pub fn tool_call(&mut self, id: &acp::ToolCallId) -> Option<(usize, &ToolCall)> {
1435 self.entries
1436 .iter()
1437 .enumerate()
1438 .rev()
1439 .find_map(|(index, tool_call)| {
1440 if let AgentThreadEntry::ToolCall(tool_call) = tool_call
1441 && &tool_call.id == id
1442 {
1443 Some((index, tool_call))
1444 } else {
1445 None
1446 }
1447 })
1448 }
1449
1450 pub fn resolve_locations(&mut self, id: acp::ToolCallId, cx: &mut Context<Self>) {
1451 let project = self.project.clone();
1452 let Some((_, tool_call)) = self.tool_call_mut(&id) else {
1453 return;
1454 };
1455 let task = tool_call.resolve_locations(project, cx);
1456 cx.spawn(async move |this, cx| {
1457 let resolved_locations = task.await;
1458
1459 this.update(cx, |this, cx| {
1460 let project = this.project.clone();
1461
1462 for location in resolved_locations.iter().flatten() {
1463 this.shared_buffers
1464 .insert(location.buffer.clone(), location.buffer.read(cx).snapshot());
1465 }
1466 let Some((ix, tool_call)) = this.tool_call_mut(&id) else {
1467 return;
1468 };
1469
1470 if let Some(Some(location)) = resolved_locations.last() {
1471 project.update(cx, |project, cx| {
1472 let should_ignore = if let Some(agent_location) = project
1473 .agent_location()
1474 .filter(|agent_location| agent_location.buffer == location.buffer)
1475 {
1476 let snapshot = location.buffer.read(cx).snapshot();
1477 let old_position = agent_location.position.to_point(&snapshot);
1478 let new_position = location.position.to_point(&snapshot);
1479
1480 // ignore this so that when we get updates from the edit tool
1481 // the position doesn't reset to the startof line
1482 old_position.row == new_position.row
1483 && old_position.column > new_position.column
1484 } else {
1485 false
1486 };
1487 if !should_ignore {
1488 project.set_agent_location(Some(location.into()), cx);
1489 }
1490 });
1491 }
1492
1493 let resolved_locations = resolved_locations
1494 .iter()
1495 .map(|l| l.as_ref().map(|l| AgentLocation::from(l)))
1496 .collect::<Vec<_>>();
1497
1498 if tool_call.resolved_locations != resolved_locations {
1499 tool_call.resolved_locations = resolved_locations;
1500 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1501 }
1502 })
1503 })
1504 .detach();
1505 }
1506
1507 pub fn request_tool_call_authorization(
1508 &mut self,
1509 tool_call: acp::ToolCallUpdate,
1510 options: Vec<acp::PermissionOption>,
1511 respect_always_allow_setting: bool,
1512 cx: &mut Context<Self>,
1513 ) -> Result<BoxFuture<'static, acp::RequestPermissionOutcome>> {
1514 let (tx, rx) = oneshot::channel();
1515
1516 if respect_always_allow_setting && AgentSettings::get_global(cx).always_allow_tool_actions {
1517 // Don't use AllowAlways, because then if you were to turn off always_allow_tool_actions,
1518 // some tools would (incorrectly) continue to auto-accept.
1519 if let Some(allow_once_option) = options.iter().find_map(|option| {
1520 if matches!(option.kind, acp::PermissionOptionKind::AllowOnce) {
1521 Some(option.id.clone())
1522 } else {
1523 None
1524 }
1525 }) {
1526 self.upsert_tool_call_inner(tool_call, ToolCallStatus::Pending, cx)?;
1527 return Ok(async {
1528 acp::RequestPermissionOutcome::Selected {
1529 option_id: allow_once_option,
1530 }
1531 }
1532 .boxed());
1533 }
1534 }
1535
1536 let status = ToolCallStatus::WaitingForConfirmation {
1537 options,
1538 respond_tx: tx,
1539 };
1540
1541 self.upsert_tool_call_inner(tool_call, status, cx)?;
1542 cx.emit(AcpThreadEvent::ToolAuthorizationRequired);
1543
1544 let fut = async {
1545 match rx.await {
1546 Ok(option) => acp::RequestPermissionOutcome::Selected { option_id: option },
1547 Err(oneshot::Canceled) => acp::RequestPermissionOutcome::Cancelled,
1548 }
1549 }
1550 .boxed();
1551
1552 Ok(fut)
1553 }
1554
1555 pub fn authorize_tool_call(
1556 &mut self,
1557 id: acp::ToolCallId,
1558 option_id: acp::PermissionOptionId,
1559 option_kind: acp::PermissionOptionKind,
1560 cx: &mut Context<Self>,
1561 ) {
1562 let Some((ix, call)) = self.tool_call_mut(&id) else {
1563 return;
1564 };
1565
1566 let new_status = match option_kind {
1567 acp::PermissionOptionKind::RejectOnce | acp::PermissionOptionKind::RejectAlways => {
1568 ToolCallStatus::Rejected
1569 }
1570 acp::PermissionOptionKind::AllowOnce | acp::PermissionOptionKind::AllowAlways => {
1571 ToolCallStatus::InProgress
1572 }
1573 };
1574
1575 let curr_status = mem::replace(&mut call.status, new_status);
1576
1577 if let ToolCallStatus::WaitingForConfirmation { respond_tx, .. } = curr_status {
1578 respond_tx.send(option_id).log_err();
1579 } else if cfg!(debug_assertions) {
1580 panic!("tried to authorize an already authorized tool call");
1581 }
1582
1583 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1584 }
1585
1586 pub fn first_tool_awaiting_confirmation(&self) -> Option<&ToolCall> {
1587 let mut first_tool_call = None;
1588
1589 for entry in self.entries.iter().rev() {
1590 match &entry {
1591 AgentThreadEntry::ToolCall(call) => {
1592 if let ToolCallStatus::WaitingForConfirmation { .. } = call.status {
1593 first_tool_call = Some(call);
1594 } else {
1595 continue;
1596 }
1597 }
1598 AgentThreadEntry::UserMessage(_) | AgentThreadEntry::AssistantMessage(_) => {
1599 // Reached the beginning of the turn.
1600 // If we had pending permission requests in the previous turn, they have been cancelled.
1601 break;
1602 }
1603 }
1604 }
1605
1606 first_tool_call
1607 }
1608
1609 pub fn plan(&self) -> &Plan {
1610 &self.plan
1611 }
1612
1613 pub fn update_plan(&mut self, request: acp::Plan, cx: &mut Context<Self>) {
1614 let new_entries_len = request.entries.len();
1615 let mut new_entries = request.entries.into_iter();
1616
1617 // Reuse existing markdown to prevent flickering
1618 for (old, new) in self.plan.entries.iter_mut().zip(new_entries.by_ref()) {
1619 let PlanEntry {
1620 content,
1621 priority,
1622 status,
1623 } = old;
1624 content.update(cx, |old, cx| {
1625 old.replace(new.content, cx);
1626 });
1627 *priority = new.priority;
1628 *status = new.status;
1629 }
1630 for new in new_entries {
1631 self.plan.entries.push(PlanEntry::from_acp(new, cx))
1632 }
1633 self.plan.entries.truncate(new_entries_len);
1634
1635 cx.notify();
1636 }
1637
1638 fn clear_completed_plan_entries(&mut self, cx: &mut Context<Self>) {
1639 self.plan
1640 .entries
1641 .retain(|entry| !matches!(entry.status, acp::PlanEntryStatus::Completed));
1642 cx.notify();
1643 }
1644
1645 #[cfg(any(test, feature = "test-support"))]
1646 pub fn send_raw(
1647 &mut self,
1648 message: &str,
1649 cx: &mut Context<Self>,
1650 ) -> BoxFuture<'static, Result<()>> {
1651 self.send(
1652 vec![acp::ContentBlock::Text(acp::TextContent {
1653 text: message.to_string(),
1654 annotations: None,
1655 meta: None,
1656 })],
1657 cx,
1658 )
1659 }
1660
1661 pub fn send(
1662 &mut self,
1663 message: Vec<acp::ContentBlock>,
1664 cx: &mut Context<Self>,
1665 ) -> BoxFuture<'static, Result<()>> {
1666 let block = ContentBlock::new_combined(
1667 message.clone(),
1668 self.project.read(cx).languages().clone(),
1669 self.project.read(cx).path_style(cx),
1670 cx,
1671 );
1672 let request = acp::PromptRequest {
1673 prompt: message.clone(),
1674 session_id: self.session_id.clone(),
1675 meta: None,
1676 };
1677 let git_store = self.project.read(cx).git_store().clone();
1678
1679 let message_id = if self.connection.truncate(&self.session_id, cx).is_some() {
1680 Some(UserMessageId::new())
1681 } else {
1682 None
1683 };
1684
1685 self.run_turn(cx, async move |this, cx| {
1686 this.update(cx, |this, cx| {
1687 this.push_entry(
1688 AgentThreadEntry::UserMessage(UserMessage {
1689 id: message_id.clone(),
1690 content: block,
1691 chunks: message,
1692 checkpoint: None,
1693 }),
1694 cx,
1695 );
1696 })
1697 .ok();
1698
1699 let old_checkpoint = git_store
1700 .update(cx, |git, cx| git.checkpoint(cx))?
1701 .await
1702 .context("failed to get old checkpoint")
1703 .log_err();
1704 this.update(cx, |this, cx| {
1705 if let Some((_ix, message)) = this.last_user_message() {
1706 message.checkpoint = old_checkpoint.map(|git_checkpoint| Checkpoint {
1707 git_checkpoint,
1708 show: false,
1709 });
1710 }
1711 this.connection.prompt(message_id, request, cx)
1712 })?
1713 .await
1714 })
1715 }
1716
1717 pub fn can_resume(&self, cx: &App) -> bool {
1718 self.connection.resume(&self.session_id, cx).is_some()
1719 }
1720
1721 pub fn resume(&mut self, cx: &mut Context<Self>) -> BoxFuture<'static, Result<()>> {
1722 self.run_turn(cx, async move |this, cx| {
1723 this.update(cx, |this, cx| {
1724 this.connection
1725 .resume(&this.session_id, cx)
1726 .map(|resume| resume.run(cx))
1727 })?
1728 .context("resuming a session is not supported")?
1729 .await
1730 })
1731 }
1732
1733 fn run_turn(
1734 &mut self,
1735 cx: &mut Context<Self>,
1736 f: impl 'static + AsyncFnOnce(WeakEntity<Self>, &mut AsyncApp) -> Result<acp::PromptResponse>,
1737 ) -> BoxFuture<'static, Result<()>> {
1738 self.clear_completed_plan_entries(cx);
1739
1740 let (tx, rx) = oneshot::channel();
1741 let cancel_task = self.cancel(cx);
1742
1743 self.send_task = Some(cx.spawn(async move |this, cx| {
1744 cancel_task.await;
1745 tx.send(f(this, cx).await).ok();
1746 }));
1747
1748 cx.spawn(async move |this, cx| {
1749 let response = rx.await;
1750
1751 this.update(cx, |this, cx| this.update_last_checkpoint(cx))?
1752 .await?;
1753
1754 this.update(cx, |this, cx| {
1755 this.project
1756 .update(cx, |project, cx| project.set_agent_location(None, cx));
1757 match response {
1758 Ok(Err(e)) => {
1759 this.send_task.take();
1760 cx.emit(AcpThreadEvent::Error);
1761 Err(e)
1762 }
1763 result => {
1764 let canceled = matches!(
1765 result,
1766 Ok(Ok(acp::PromptResponse {
1767 stop_reason: acp::StopReason::Cancelled,
1768 meta: None,
1769 }))
1770 );
1771
1772 // We only take the task if the current prompt wasn't canceled.
1773 //
1774 // This prompt may have been canceled because another one was sent
1775 // while it was still generating. In these cases, dropping `send_task`
1776 // would cause the next generation to be canceled.
1777 if !canceled {
1778 this.send_task.take();
1779 }
1780
1781 // Handle refusal - distinguish between user prompt and tool call refusals
1782 if let Ok(Ok(acp::PromptResponse {
1783 stop_reason: acp::StopReason::Refusal,
1784 meta: _,
1785 })) = result
1786 {
1787 if let Some((user_msg_ix, _)) = this.last_user_message() {
1788 // Check if there's a completed tool call with results after the last user message
1789 // This indicates the refusal is in response to tool output, not the user's prompt
1790 let has_completed_tool_call_after_user_msg =
1791 this.entries.iter().skip(user_msg_ix + 1).any(|entry| {
1792 if let AgentThreadEntry::ToolCall(tool_call) = entry {
1793 // Check if the tool call has completed and has output
1794 matches!(tool_call.status, ToolCallStatus::Completed)
1795 && tool_call.raw_output.is_some()
1796 } else {
1797 false
1798 }
1799 });
1800
1801 if has_completed_tool_call_after_user_msg {
1802 // Refusal is due to tool output - don't truncate, just notify
1803 // The model refused based on what the tool returned
1804 cx.emit(AcpThreadEvent::Refusal);
1805 } else {
1806 // User prompt was refused - truncate back to before the user message
1807 let range = user_msg_ix..this.entries.len();
1808 if range.start < range.end {
1809 this.entries.truncate(user_msg_ix);
1810 cx.emit(AcpThreadEvent::EntriesRemoved(range));
1811 }
1812 cx.emit(AcpThreadEvent::Refusal);
1813 }
1814 } else {
1815 // No user message found, treat as general refusal
1816 cx.emit(AcpThreadEvent::Refusal);
1817 }
1818 }
1819
1820 cx.emit(AcpThreadEvent::Stopped);
1821 Ok(())
1822 }
1823 }
1824 })?
1825 })
1826 .boxed()
1827 }
1828
1829 pub fn cancel(&mut self, cx: &mut Context<Self>) -> Task<()> {
1830 let Some(send_task) = self.send_task.take() else {
1831 return Task::ready(());
1832 };
1833
1834 for entry in self.entries.iter_mut() {
1835 if let AgentThreadEntry::ToolCall(call) = entry {
1836 let cancel = matches!(
1837 call.status,
1838 ToolCallStatus::Pending
1839 | ToolCallStatus::WaitingForConfirmation { .. }
1840 | ToolCallStatus::InProgress
1841 );
1842
1843 if cancel {
1844 call.status = ToolCallStatus::Canceled;
1845 }
1846 }
1847 }
1848
1849 self.connection.cancel(&self.session_id, cx);
1850
1851 // Wait for the send task to complete
1852 cx.foreground_executor().spawn(send_task)
1853 }
1854
1855 /// Restores the git working tree to the state at the given checkpoint (if one exists)
1856 pub fn restore_checkpoint(
1857 &mut self,
1858 id: UserMessageId,
1859 cx: &mut Context<Self>,
1860 ) -> Task<Result<()>> {
1861 let Some((_, message)) = self.user_message_mut(&id) else {
1862 return Task::ready(Err(anyhow!("message not found")));
1863 };
1864
1865 let checkpoint = message
1866 .checkpoint
1867 .as_ref()
1868 .map(|c| c.git_checkpoint.clone());
1869 let rewind = self.rewind(id.clone(), cx);
1870 let git_store = self.project.read(cx).git_store().clone();
1871
1872 cx.spawn(async move |_, cx| {
1873 rewind.await?;
1874 if let Some(checkpoint) = checkpoint {
1875 git_store
1876 .update(cx, |git, cx| git.restore_checkpoint(checkpoint, cx))?
1877 .await?;
1878 }
1879
1880 Ok(())
1881 })
1882 }
1883
1884 /// Rewinds this thread to before the entry at `index`, removing it and all
1885 /// subsequent entries while rejecting any action_log changes made from that point.
1886 /// Unlike `restore_checkpoint`, this method does not restore from git.
1887 pub fn rewind(&mut self, id: UserMessageId, cx: &mut Context<Self>) -> Task<Result<()>> {
1888 let Some(truncate) = self.connection.truncate(&self.session_id, cx) else {
1889 return Task::ready(Err(anyhow!("not supported")));
1890 };
1891
1892 let telemetry = ActionLogTelemetry::from(&*self);
1893 cx.spawn(async move |this, cx| {
1894 cx.update(|cx| truncate.run(id.clone(), cx))?.await?;
1895 this.update(cx, |this, cx| {
1896 if let Some((ix, _)) = this.user_message_mut(&id) {
1897 let range = ix..this.entries.len();
1898 this.entries.truncate(ix);
1899 cx.emit(AcpThreadEvent::EntriesRemoved(range));
1900 }
1901 this.action_log().update(cx, |action_log, cx| {
1902 action_log.reject_all_edits(Some(telemetry), cx)
1903 })
1904 })?
1905 .await;
1906 Ok(())
1907 })
1908 }
1909
1910 fn update_last_checkpoint(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
1911 let git_store = self.project.read(cx).git_store().clone();
1912
1913 let old_checkpoint = if let Some((_, message)) = self.last_user_message() {
1914 if let Some(checkpoint) = message.checkpoint.as_ref() {
1915 checkpoint.git_checkpoint.clone()
1916 } else {
1917 return Task::ready(Ok(()));
1918 }
1919 } else {
1920 return Task::ready(Ok(()));
1921 };
1922
1923 let new_checkpoint = git_store.update(cx, |git, cx| git.checkpoint(cx));
1924 cx.spawn(async move |this, cx| {
1925 let new_checkpoint = new_checkpoint
1926 .await
1927 .context("failed to get new checkpoint")
1928 .log_err();
1929 if let Some(new_checkpoint) = new_checkpoint {
1930 let equal = git_store
1931 .update(cx, |git, cx| {
1932 git.compare_checkpoints(old_checkpoint.clone(), new_checkpoint, cx)
1933 })?
1934 .await
1935 .unwrap_or(true);
1936 this.update(cx, |this, cx| {
1937 let (ix, message) = this.last_user_message().context("no user message")?;
1938 let checkpoint = message.checkpoint.as_mut().context("no checkpoint")?;
1939 checkpoint.show = !equal;
1940 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1941 anyhow::Ok(())
1942 })??;
1943 }
1944
1945 Ok(())
1946 })
1947 }
1948
1949 fn last_user_message(&mut self) -> Option<(usize, &mut UserMessage)> {
1950 self.entries
1951 .iter_mut()
1952 .enumerate()
1953 .rev()
1954 .find_map(|(ix, entry)| {
1955 if let AgentThreadEntry::UserMessage(message) = entry {
1956 Some((ix, message))
1957 } else {
1958 None
1959 }
1960 })
1961 }
1962
1963 fn user_message_mut(&mut self, id: &UserMessageId) -> Option<(usize, &mut UserMessage)> {
1964 self.entries.iter_mut().enumerate().find_map(|(ix, entry)| {
1965 if let AgentThreadEntry::UserMessage(message) = entry {
1966 if message.id.as_ref() == Some(id) {
1967 Some((ix, message))
1968 } else {
1969 None
1970 }
1971 } else {
1972 None
1973 }
1974 })
1975 }
1976
1977 pub fn read_text_file(
1978 &self,
1979 path: PathBuf,
1980 line: Option<u32>,
1981 limit: Option<u32>,
1982 reuse_shared_snapshot: bool,
1983 cx: &mut Context<Self>,
1984 ) -> Task<Result<String, acp::Error>> {
1985 // Args are 1-based, move to 0-based
1986 let line = line.unwrap_or_default().saturating_sub(1);
1987 let limit = limit.unwrap_or(u32::MAX);
1988 let project = self.project.clone();
1989 let action_log = self.action_log.clone();
1990 cx.spawn(async move |this, cx| {
1991 let load = project
1992 .update(cx, |project, cx| {
1993 let path = project
1994 .project_path_for_absolute_path(&path, cx)
1995 .ok_or_else(|| {
1996 acp::Error::resource_not_found(Some(path.display().to_string()))
1997 })?;
1998 Ok(project.open_buffer(path, cx))
1999 })
2000 .map_err(|e| acp::Error::internal_error().with_data(e.to_string()))
2001 .flatten()?;
2002
2003 let buffer = load.await?;
2004
2005 let snapshot = if reuse_shared_snapshot {
2006 this.read_with(cx, |this, _| {
2007 this.shared_buffers.get(&buffer.clone()).cloned()
2008 })
2009 .log_err()
2010 .flatten()
2011 } else {
2012 None
2013 };
2014
2015 let snapshot = if let Some(snapshot) = snapshot {
2016 snapshot
2017 } else {
2018 action_log.update(cx, |action_log, cx| {
2019 action_log.buffer_read(buffer.clone(), cx);
2020 })?;
2021
2022 let snapshot = buffer.update(cx, |buffer, _| buffer.snapshot())?;
2023 this.update(cx, |this, _| {
2024 this.shared_buffers.insert(buffer.clone(), snapshot.clone());
2025 })?;
2026 snapshot
2027 };
2028
2029 let max_point = snapshot.max_point();
2030 let start_position = Point::new(line, 0);
2031
2032 if start_position > max_point {
2033 return Err(acp::Error::invalid_params().with_data(format!(
2034 "Attempting to read beyond the end of the file, line {}:{}",
2035 max_point.row + 1,
2036 max_point.column
2037 )));
2038 }
2039
2040 let start = snapshot.anchor_before(start_position);
2041 let end = snapshot.anchor_before(Point::new(line.saturating_add(limit), 0));
2042
2043 project.update(cx, |project, cx| {
2044 project.set_agent_location(
2045 Some(AgentLocation {
2046 buffer: buffer.downgrade(),
2047 position: start,
2048 }),
2049 cx,
2050 );
2051 })?;
2052
2053 Ok(snapshot.text_for_range(start..end).collect::<String>())
2054 })
2055 }
2056
2057 pub fn write_text_file(
2058 &self,
2059 path: PathBuf,
2060 content: String,
2061 cx: &mut Context<Self>,
2062 ) -> Task<Result<()>> {
2063 let project = self.project.clone();
2064 let action_log = self.action_log.clone();
2065 cx.spawn(async move |this, cx| {
2066 let load = project.update(cx, |project, cx| {
2067 let path = project
2068 .project_path_for_absolute_path(&path, cx)
2069 .context("invalid path")?;
2070 anyhow::Ok(project.open_buffer(path, cx))
2071 });
2072 let buffer = load??.await?;
2073 let snapshot = this.update(cx, |this, cx| {
2074 this.shared_buffers
2075 .get(&buffer)
2076 .cloned()
2077 .unwrap_or_else(|| buffer.read(cx).snapshot())
2078 })?;
2079 let edits = cx
2080 .background_executor()
2081 .spawn(async move {
2082 let old_text = snapshot.text();
2083 text_diff(old_text.as_str(), &content)
2084 .into_iter()
2085 .map(|(range, replacement)| {
2086 (
2087 snapshot.anchor_after(range.start)
2088 ..snapshot.anchor_before(range.end),
2089 replacement,
2090 )
2091 })
2092 .collect::<Vec<_>>()
2093 })
2094 .await;
2095
2096 project.update(cx, |project, cx| {
2097 project.set_agent_location(
2098 Some(AgentLocation {
2099 buffer: buffer.downgrade(),
2100 position: edits
2101 .last()
2102 .map(|(range, _)| range.end)
2103 .unwrap_or(Anchor::MIN),
2104 }),
2105 cx,
2106 );
2107 })?;
2108
2109 let format_on_save = cx.update(|cx| {
2110 action_log.update(cx, |action_log, cx| {
2111 action_log.buffer_read(buffer.clone(), cx);
2112 });
2113
2114 let format_on_save = buffer.update(cx, |buffer, cx| {
2115 buffer.edit(edits, None, cx);
2116
2117 let settings = language::language_settings::language_settings(
2118 buffer.language().map(|l| l.name()),
2119 buffer.file(),
2120 cx,
2121 );
2122
2123 settings.format_on_save != FormatOnSave::Off
2124 });
2125 action_log.update(cx, |action_log, cx| {
2126 action_log.buffer_edited(buffer.clone(), cx);
2127 });
2128 format_on_save
2129 })?;
2130
2131 if format_on_save {
2132 let format_task = project.update(cx, |project, cx| {
2133 project.format(
2134 HashSet::from_iter([buffer.clone()]),
2135 LspFormatTarget::Buffers,
2136 false,
2137 FormatTrigger::Save,
2138 cx,
2139 )
2140 })?;
2141 format_task.await.log_err();
2142
2143 action_log.update(cx, |action_log, cx| {
2144 action_log.buffer_edited(buffer.clone(), cx);
2145 })?;
2146 }
2147
2148 project
2149 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
2150 .await
2151 })
2152 }
2153
2154 pub fn create_terminal(
2155 &self,
2156 command: String,
2157 args: Vec<String>,
2158 extra_env: Vec<acp::EnvVariable>,
2159 cwd: Option<PathBuf>,
2160 output_byte_limit: Option<u64>,
2161 cx: &mut Context<Self>,
2162 ) -> Task<Result<Entity<Terminal>>> {
2163 let env = match &cwd {
2164 Some(dir) => self.project.update(cx, |project, cx| {
2165 project.environment().update(cx, |env, cx| {
2166 env.directory_environment(dir.as_path().into(), cx)
2167 })
2168 }),
2169 None => Task::ready(None).shared(),
2170 };
2171 let env = cx.spawn(async move |_, _| {
2172 let mut env = env.await.unwrap_or_default();
2173 // Disables paging for `git` and hopefully other commands
2174 env.insert("PAGER".into(), "".into());
2175 for var in extra_env {
2176 env.insert(var.name, var.value);
2177 }
2178 env
2179 });
2180
2181 let project = self.project.clone();
2182 let language_registry = project.read(cx).languages().clone();
2183 let is_windows = project.read(cx).path_style(cx).is_windows();
2184
2185 let terminal_id = acp::TerminalId(Uuid::new_v4().to_string().into());
2186 let terminal_task = cx.spawn({
2187 let terminal_id = terminal_id.clone();
2188 async move |_this, cx| {
2189 let env = env.await;
2190 let shell = project
2191 .update(cx, |project, cx| {
2192 project
2193 .remote_client()
2194 .and_then(|r| r.read(cx).default_system_shell())
2195 })?
2196 .unwrap_or_else(|| get_default_system_shell_preferring_bash());
2197 let (task_command, task_args) =
2198 ShellBuilder::new(&Shell::Program(shell), is_windows)
2199 .redirect_stdin_to_dev_null()
2200 .build(Some(command.clone()), &args);
2201 let terminal = project
2202 .update(cx, |project, cx| {
2203 project.create_terminal_task(
2204 task::SpawnInTerminal {
2205 command: Some(task_command),
2206 args: task_args,
2207 cwd: cwd.clone(),
2208 env,
2209 ..Default::default()
2210 },
2211 cx,
2212 )
2213 })?
2214 .await?;
2215
2216 cx.new(|cx| {
2217 Terminal::new(
2218 terminal_id,
2219 &format!("{} {}", command, args.join(" ")),
2220 cwd,
2221 output_byte_limit.map(|l| l as usize),
2222 terminal,
2223 language_registry,
2224 cx,
2225 )
2226 })
2227 }
2228 });
2229
2230 cx.spawn(async move |this, cx| {
2231 let terminal = terminal_task.await?;
2232 this.update(cx, |this, _cx| {
2233 this.terminals.insert(terminal_id, terminal.clone());
2234 terminal
2235 })
2236 })
2237 }
2238
2239 pub fn kill_terminal(
2240 &mut self,
2241 terminal_id: acp::TerminalId,
2242 cx: &mut Context<Self>,
2243 ) -> Result<()> {
2244 self.terminals
2245 .get(&terminal_id)
2246 .context("Terminal not found")?
2247 .update(cx, |terminal, cx| {
2248 terminal.kill(cx);
2249 });
2250
2251 Ok(())
2252 }
2253
2254 pub fn release_terminal(
2255 &mut self,
2256 terminal_id: acp::TerminalId,
2257 cx: &mut Context<Self>,
2258 ) -> Result<()> {
2259 self.terminals
2260 .remove(&terminal_id)
2261 .context("Terminal not found")?
2262 .update(cx, |terminal, cx| {
2263 terminal.kill(cx);
2264 });
2265
2266 Ok(())
2267 }
2268
2269 pub fn terminal(&self, terminal_id: acp::TerminalId) -> Result<Entity<Terminal>> {
2270 self.terminals
2271 .get(&terminal_id)
2272 .context("Terminal not found")
2273 .cloned()
2274 }
2275
2276 pub fn to_markdown(&self, cx: &App) -> String {
2277 self.entries.iter().map(|e| e.to_markdown(cx)).collect()
2278 }
2279
2280 pub fn emit_load_error(&mut self, error: LoadError, cx: &mut Context<Self>) {
2281 cx.emit(AcpThreadEvent::LoadError(error));
2282 }
2283
2284 pub fn register_terminal_created(
2285 &mut self,
2286 terminal_id: acp::TerminalId,
2287 command_label: String,
2288 working_dir: Option<PathBuf>,
2289 output_byte_limit: Option<u64>,
2290 terminal: Entity<::terminal::Terminal>,
2291 cx: &mut Context<Self>,
2292 ) -> Entity<Terminal> {
2293 let language_registry = self.project.read(cx).languages().clone();
2294
2295 let entity = cx.new(|cx| {
2296 Terminal::new(
2297 terminal_id.clone(),
2298 &command_label,
2299 working_dir.clone(),
2300 output_byte_limit.map(|l| l as usize),
2301 terminal,
2302 language_registry,
2303 cx,
2304 )
2305 });
2306 self.terminals.insert(terminal_id.clone(), entity.clone());
2307 entity
2308 }
2309}
2310
2311fn markdown_for_raw_output(
2312 raw_output: &serde_json::Value,
2313 language_registry: &Arc<LanguageRegistry>,
2314 cx: &mut App,
2315) -> Option<Entity<Markdown>> {
2316 match raw_output {
2317 serde_json::Value::Null => None,
2318 serde_json::Value::Bool(value) => Some(cx.new(|cx| {
2319 Markdown::new(
2320 value.to_string().into(),
2321 Some(language_registry.clone()),
2322 None,
2323 cx,
2324 )
2325 })),
2326 serde_json::Value::Number(value) => Some(cx.new(|cx| {
2327 Markdown::new(
2328 value.to_string().into(),
2329 Some(language_registry.clone()),
2330 None,
2331 cx,
2332 )
2333 })),
2334 serde_json::Value::String(value) => Some(cx.new(|cx| {
2335 Markdown::new(
2336 value.clone().into(),
2337 Some(language_registry.clone()),
2338 None,
2339 cx,
2340 )
2341 })),
2342 value => Some(cx.new(|cx| {
2343 Markdown::new(
2344 format!("```json\n{}\n```", value).into(),
2345 Some(language_registry.clone()),
2346 None,
2347 cx,
2348 )
2349 })),
2350 }
2351}
2352
2353#[cfg(test)]
2354mod tests {
2355 use super::*;
2356 use anyhow::anyhow;
2357 use futures::{channel::mpsc, future::LocalBoxFuture, select};
2358 use gpui::{App, AsyncApp, TestAppContext, WeakEntity};
2359 use indoc::indoc;
2360 use project::{FakeFs, Fs};
2361 use rand::{distr, prelude::*};
2362 use serde_json::json;
2363 use settings::SettingsStore;
2364 use smol::stream::StreamExt as _;
2365 use std::{
2366 any::Any,
2367 cell::RefCell,
2368 path::Path,
2369 rc::Rc,
2370 sync::atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
2371 time::Duration,
2372 };
2373 use util::path;
2374
2375 fn init_test(cx: &mut TestAppContext) {
2376 env_logger::try_init().ok();
2377 cx.update(|cx| {
2378 let settings_store = SettingsStore::test(cx);
2379 cx.set_global(settings_store);
2380 });
2381 }
2382
2383 #[gpui::test]
2384 async fn test_terminal_output_buffered_before_created_renders(cx: &mut gpui::TestAppContext) {
2385 init_test(cx);
2386
2387 let fs = FakeFs::new(cx.executor());
2388 let project = Project::test(fs, [], cx).await;
2389 let connection = Rc::new(FakeAgentConnection::new());
2390 let thread = cx
2391 .update(|cx| connection.new_thread(project, std::path::Path::new(path!("/test")), cx))
2392 .await
2393 .unwrap();
2394
2395 let terminal_id = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
2396
2397 // Send Output BEFORE Created - should be buffered by acp_thread
2398 thread.update(cx, |thread, cx| {
2399 thread.on_terminal_provider_event(
2400 TerminalProviderEvent::Output {
2401 terminal_id: terminal_id.clone(),
2402 data: b"hello buffered".to_vec(),
2403 },
2404 cx,
2405 );
2406 });
2407
2408 // Create a display-only terminal and then send Created
2409 let lower = cx.new(|cx| {
2410 let builder = ::terminal::TerminalBuilder::new_display_only(
2411 ::terminal::terminal_settings::CursorShape::default(),
2412 ::terminal::terminal_settings::AlternateScroll::On,
2413 None,
2414 0,
2415 )
2416 .unwrap();
2417 builder.subscribe(cx)
2418 });
2419
2420 thread.update(cx, |thread, cx| {
2421 thread.on_terminal_provider_event(
2422 TerminalProviderEvent::Created {
2423 terminal_id: terminal_id.clone(),
2424 label: "Buffered Test".to_string(),
2425 cwd: None,
2426 output_byte_limit: None,
2427 terminal: lower.clone(),
2428 },
2429 cx,
2430 );
2431 });
2432
2433 // After Created, buffered Output should have been flushed into the renderer
2434 let content = thread.read_with(cx, |thread, cx| {
2435 let term = thread.terminal(terminal_id.clone()).unwrap();
2436 term.read_with(cx, |t, cx| t.inner().read(cx).get_content())
2437 });
2438
2439 assert!(
2440 content.contains("hello buffered"),
2441 "expected buffered output to render, got: {content}"
2442 );
2443 }
2444
2445 #[gpui::test]
2446 async fn test_terminal_output_and_exit_buffered_before_created(cx: &mut gpui::TestAppContext) {
2447 init_test(cx);
2448
2449 let fs = FakeFs::new(cx.executor());
2450 let project = Project::test(fs, [], cx).await;
2451 let connection = Rc::new(FakeAgentConnection::new());
2452 let thread = cx
2453 .update(|cx| connection.new_thread(project, std::path::Path::new(path!("/test")), cx))
2454 .await
2455 .unwrap();
2456
2457 let terminal_id = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
2458
2459 // Send Output BEFORE Created
2460 thread.update(cx, |thread, cx| {
2461 thread.on_terminal_provider_event(
2462 TerminalProviderEvent::Output {
2463 terminal_id: terminal_id.clone(),
2464 data: b"pre-exit data".to_vec(),
2465 },
2466 cx,
2467 );
2468 });
2469
2470 // Send Exit BEFORE Created
2471 thread.update(cx, |thread, cx| {
2472 thread.on_terminal_provider_event(
2473 TerminalProviderEvent::Exit {
2474 terminal_id: terminal_id.clone(),
2475 status: acp::TerminalExitStatus {
2476 exit_code: Some(0),
2477 signal: None,
2478 meta: None,
2479 },
2480 },
2481 cx,
2482 );
2483 });
2484
2485 // Now create a display-only lower-level terminal and send Created
2486 let lower = cx.new(|cx| {
2487 let builder = ::terminal::TerminalBuilder::new_display_only(
2488 ::terminal::terminal_settings::CursorShape::default(),
2489 ::terminal::terminal_settings::AlternateScroll::On,
2490 None,
2491 0,
2492 )
2493 .unwrap();
2494 builder.subscribe(cx)
2495 });
2496
2497 thread.update(cx, |thread, cx| {
2498 thread.on_terminal_provider_event(
2499 TerminalProviderEvent::Created {
2500 terminal_id: terminal_id.clone(),
2501 label: "Buffered Exit Test".to_string(),
2502 cwd: None,
2503 output_byte_limit: None,
2504 terminal: lower.clone(),
2505 },
2506 cx,
2507 );
2508 });
2509
2510 // Output should be present after Created (flushed from buffer)
2511 let content = thread.read_with(cx, |thread, cx| {
2512 let term = thread.terminal(terminal_id.clone()).unwrap();
2513 term.read_with(cx, |t, cx| t.inner().read(cx).get_content())
2514 });
2515
2516 assert!(
2517 content.contains("pre-exit data"),
2518 "expected pre-exit data to render, got: {content}"
2519 );
2520 }
2521
2522 #[gpui::test]
2523 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
2524 init_test(cx);
2525
2526 let fs = FakeFs::new(cx.executor());
2527 let project = Project::test(fs, [], cx).await;
2528 let connection = Rc::new(FakeAgentConnection::new());
2529 let thread = cx
2530 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2531 .await
2532 .unwrap();
2533
2534 // Test creating a new user message
2535 thread.update(cx, |thread, cx| {
2536 thread.push_user_content_block(
2537 None,
2538 acp::ContentBlock::Text(acp::TextContent {
2539 annotations: None,
2540 text: "Hello, ".to_string(),
2541 meta: None,
2542 }),
2543 cx,
2544 );
2545 });
2546
2547 thread.update(cx, |thread, cx| {
2548 assert_eq!(thread.entries.len(), 1);
2549 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2550 assert_eq!(user_msg.id, None);
2551 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
2552 } else {
2553 panic!("Expected UserMessage");
2554 }
2555 });
2556
2557 // Test appending to existing user message
2558 let message_1_id = UserMessageId::new();
2559 thread.update(cx, |thread, cx| {
2560 thread.push_user_content_block(
2561 Some(message_1_id.clone()),
2562 acp::ContentBlock::Text(acp::TextContent {
2563 annotations: None,
2564 text: "world!".to_string(),
2565 meta: None,
2566 }),
2567 cx,
2568 );
2569 });
2570
2571 thread.update(cx, |thread, cx| {
2572 assert_eq!(thread.entries.len(), 1);
2573 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2574 assert_eq!(user_msg.id, Some(message_1_id));
2575 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
2576 } else {
2577 panic!("Expected UserMessage");
2578 }
2579 });
2580
2581 // Test creating new user message after assistant message
2582 thread.update(cx, |thread, cx| {
2583 thread.push_assistant_content_block(
2584 acp::ContentBlock::Text(acp::TextContent {
2585 annotations: None,
2586 text: "Assistant response".to_string(),
2587 meta: None,
2588 }),
2589 false,
2590 cx,
2591 );
2592 });
2593
2594 let message_2_id = UserMessageId::new();
2595 thread.update(cx, |thread, cx| {
2596 thread.push_user_content_block(
2597 Some(message_2_id.clone()),
2598 acp::ContentBlock::Text(acp::TextContent {
2599 annotations: None,
2600 text: "New user message".to_string(),
2601 meta: None,
2602 }),
2603 cx,
2604 );
2605 });
2606
2607 thread.update(cx, |thread, cx| {
2608 assert_eq!(thread.entries.len(), 3);
2609 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
2610 assert_eq!(user_msg.id, Some(message_2_id));
2611 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
2612 } else {
2613 panic!("Expected UserMessage at index 2");
2614 }
2615 });
2616 }
2617
2618 #[gpui::test]
2619 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
2620 init_test(cx);
2621
2622 let fs = FakeFs::new(cx.executor());
2623 let project = Project::test(fs, [], cx).await;
2624 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2625 |_, thread, mut cx| {
2626 async move {
2627 thread.update(&mut cx, |thread, cx| {
2628 thread
2629 .handle_session_update(
2630 acp::SessionUpdate::AgentThoughtChunk(acp::ContentChunk {
2631 content: "Thinking ".into(),
2632 meta: None,
2633 }),
2634 cx,
2635 )
2636 .unwrap();
2637 thread
2638 .handle_session_update(
2639 acp::SessionUpdate::AgentThoughtChunk(acp::ContentChunk {
2640 content: "hard!".into(),
2641 meta: None,
2642 }),
2643 cx,
2644 )
2645 .unwrap();
2646 })?;
2647 Ok(acp::PromptResponse {
2648 stop_reason: acp::StopReason::EndTurn,
2649 meta: None,
2650 })
2651 }
2652 .boxed_local()
2653 },
2654 ));
2655
2656 let thread = cx
2657 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2658 .await
2659 .unwrap();
2660
2661 thread
2662 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
2663 .await
2664 .unwrap();
2665
2666 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
2667 assert_eq!(
2668 output,
2669 indoc! {r#"
2670 ## User
2671
2672 Hello from Zed!
2673
2674 ## Assistant
2675
2676 <thinking>
2677 Thinking hard!
2678 </thinking>
2679
2680 "#}
2681 );
2682 }
2683
2684 #[gpui::test]
2685 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
2686 init_test(cx);
2687
2688 let fs = FakeFs::new(cx.executor());
2689 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
2690 .await;
2691 let project = Project::test(fs.clone(), [], cx).await;
2692 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
2693 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
2694 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2695 move |_, thread, mut cx| {
2696 let read_file_tx = read_file_tx.clone();
2697 async move {
2698 let content = thread
2699 .update(&mut cx, |thread, cx| {
2700 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2701 })
2702 .unwrap()
2703 .await
2704 .unwrap();
2705 assert_eq!(content, "one\ntwo\nthree\n");
2706 read_file_tx.take().unwrap().send(()).unwrap();
2707 thread
2708 .update(&mut cx, |thread, cx| {
2709 thread.write_text_file(
2710 path!("/tmp/foo").into(),
2711 "one\ntwo\nthree\nfour\nfive\n".to_string(),
2712 cx,
2713 )
2714 })
2715 .unwrap()
2716 .await
2717 .unwrap();
2718 Ok(acp::PromptResponse {
2719 stop_reason: acp::StopReason::EndTurn,
2720 meta: None,
2721 })
2722 }
2723 .boxed_local()
2724 },
2725 ));
2726
2727 let (worktree, pathbuf) = project
2728 .update(cx, |project, cx| {
2729 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2730 })
2731 .await
2732 .unwrap();
2733 let buffer = project
2734 .update(cx, |project, cx| {
2735 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
2736 })
2737 .await
2738 .unwrap();
2739
2740 let thread = cx
2741 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2742 .await
2743 .unwrap();
2744
2745 let request = thread.update(cx, |thread, cx| {
2746 thread.send_raw("Extend the count in /tmp/foo", cx)
2747 });
2748 read_file_rx.await.ok();
2749 buffer.update(cx, |buffer, cx| {
2750 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
2751 });
2752 cx.run_until_parked();
2753 assert_eq!(
2754 buffer.read_with(cx, |buffer, _| buffer.text()),
2755 "zero\none\ntwo\nthree\nfour\nfive\n"
2756 );
2757 assert_eq!(
2758 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
2759 "zero\none\ntwo\nthree\nfour\nfive\n"
2760 );
2761 request.await.unwrap();
2762 }
2763
2764 #[gpui::test]
2765 async fn test_reading_from_line(cx: &mut TestAppContext) {
2766 init_test(cx);
2767
2768 let fs = FakeFs::new(cx.executor());
2769 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\nfour\n"}))
2770 .await;
2771 let project = Project::test(fs.clone(), [], cx).await;
2772 project
2773 .update(cx, |project, cx| {
2774 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2775 })
2776 .await
2777 .unwrap();
2778
2779 let connection = Rc::new(FakeAgentConnection::new());
2780
2781 let thread = cx
2782 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2783 .await
2784 .unwrap();
2785
2786 // Whole file
2787 let content = thread
2788 .update(cx, |thread, cx| {
2789 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2790 })
2791 .await
2792 .unwrap();
2793
2794 assert_eq!(content, "one\ntwo\nthree\nfour\n");
2795
2796 // Only start line
2797 let content = thread
2798 .update(cx, |thread, cx| {
2799 thread.read_text_file(path!("/tmp/foo").into(), Some(3), None, false, cx)
2800 })
2801 .await
2802 .unwrap();
2803
2804 assert_eq!(content, "three\nfour\n");
2805
2806 // Only limit
2807 let content = thread
2808 .update(cx, |thread, cx| {
2809 thread.read_text_file(path!("/tmp/foo").into(), None, Some(2), false, cx)
2810 })
2811 .await
2812 .unwrap();
2813
2814 assert_eq!(content, "one\ntwo\n");
2815
2816 // Range
2817 let content = thread
2818 .update(cx, |thread, cx| {
2819 thread.read_text_file(path!("/tmp/foo").into(), Some(2), Some(2), false, cx)
2820 })
2821 .await
2822 .unwrap();
2823
2824 assert_eq!(content, "two\nthree\n");
2825
2826 // Invalid
2827 let err = thread
2828 .update(cx, |thread, cx| {
2829 thread.read_text_file(path!("/tmp/foo").into(), Some(6), Some(2), false, cx)
2830 })
2831 .await
2832 .unwrap_err();
2833
2834 assert_eq!(
2835 err.to_string(),
2836 "Invalid params: \"Attempting to read beyond the end of the file, line 5:0\""
2837 );
2838 }
2839
2840 #[gpui::test]
2841 async fn test_reading_empty_file(cx: &mut TestAppContext) {
2842 init_test(cx);
2843
2844 let fs = FakeFs::new(cx.executor());
2845 fs.insert_tree(path!("/tmp"), json!({"foo": ""})).await;
2846 let project = Project::test(fs.clone(), [], cx).await;
2847 project
2848 .update(cx, |project, cx| {
2849 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2850 })
2851 .await
2852 .unwrap();
2853
2854 let connection = Rc::new(FakeAgentConnection::new());
2855
2856 let thread = cx
2857 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2858 .await
2859 .unwrap();
2860
2861 // Whole file
2862 let content = thread
2863 .update(cx, |thread, cx| {
2864 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2865 })
2866 .await
2867 .unwrap();
2868
2869 assert_eq!(content, "");
2870
2871 // Only start line
2872 let content = thread
2873 .update(cx, |thread, cx| {
2874 thread.read_text_file(path!("/tmp/foo").into(), Some(1), None, false, cx)
2875 })
2876 .await
2877 .unwrap();
2878
2879 assert_eq!(content, "");
2880
2881 // Only limit
2882 let content = thread
2883 .update(cx, |thread, cx| {
2884 thread.read_text_file(path!("/tmp/foo").into(), None, Some(2), false, cx)
2885 })
2886 .await
2887 .unwrap();
2888
2889 assert_eq!(content, "");
2890
2891 // Range
2892 let content = thread
2893 .update(cx, |thread, cx| {
2894 thread.read_text_file(path!("/tmp/foo").into(), Some(1), Some(1), false, cx)
2895 })
2896 .await
2897 .unwrap();
2898
2899 assert_eq!(content, "");
2900
2901 // Invalid
2902 let err = thread
2903 .update(cx, |thread, cx| {
2904 thread.read_text_file(path!("/tmp/foo").into(), Some(5), Some(2), false, cx)
2905 })
2906 .await
2907 .unwrap_err();
2908
2909 assert_eq!(
2910 err.to_string(),
2911 "Invalid params: \"Attempting to read beyond the end of the file, line 1:0\""
2912 );
2913 }
2914 #[gpui::test]
2915 async fn test_reading_non_existing_file(cx: &mut TestAppContext) {
2916 init_test(cx);
2917
2918 let fs = FakeFs::new(cx.executor());
2919 fs.insert_tree(path!("/tmp"), json!({})).await;
2920 let project = Project::test(fs.clone(), [], cx).await;
2921 project
2922 .update(cx, |project, cx| {
2923 project.find_or_create_worktree(path!("/tmp"), true, cx)
2924 })
2925 .await
2926 .unwrap();
2927
2928 let connection = Rc::new(FakeAgentConnection::new());
2929
2930 let thread = cx
2931 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2932 .await
2933 .unwrap();
2934
2935 // Out of project file
2936 let err = thread
2937 .update(cx, |thread, cx| {
2938 thread.read_text_file(path!("/foo").into(), None, None, false, cx)
2939 })
2940 .await
2941 .unwrap_err();
2942
2943 assert_eq!(err.code, acp::ErrorCode::RESOURCE_NOT_FOUND.code);
2944 }
2945
2946 #[gpui::test]
2947 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
2948 init_test(cx);
2949
2950 let fs = FakeFs::new(cx.executor());
2951 let project = Project::test(fs, [], cx).await;
2952 let id = acp::ToolCallId("test".into());
2953
2954 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2955 let id = id.clone();
2956 move |_, thread, mut cx| {
2957 let id = id.clone();
2958 async move {
2959 thread
2960 .update(&mut cx, |thread, cx| {
2961 thread.handle_session_update(
2962 acp::SessionUpdate::ToolCall(acp::ToolCall {
2963 id: id.clone(),
2964 title: "Label".into(),
2965 kind: acp::ToolKind::Fetch,
2966 status: acp::ToolCallStatus::InProgress,
2967 content: vec![],
2968 locations: vec![],
2969 raw_input: None,
2970 raw_output: None,
2971 meta: None,
2972 }),
2973 cx,
2974 )
2975 })
2976 .unwrap()
2977 .unwrap();
2978 Ok(acp::PromptResponse {
2979 stop_reason: acp::StopReason::EndTurn,
2980 meta: None,
2981 })
2982 }
2983 .boxed_local()
2984 }
2985 }));
2986
2987 let thread = cx
2988 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2989 .await
2990 .unwrap();
2991
2992 let request = thread.update(cx, |thread, cx| {
2993 thread.send_raw("Fetch https://example.com", cx)
2994 });
2995
2996 run_until_first_tool_call(&thread, cx).await;
2997
2998 thread.read_with(cx, |thread, _| {
2999 assert!(matches!(
3000 thread.entries[1],
3001 AgentThreadEntry::ToolCall(ToolCall {
3002 status: ToolCallStatus::InProgress,
3003 ..
3004 })
3005 ));
3006 });
3007
3008 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
3009
3010 thread.read_with(cx, |thread, _| {
3011 assert!(matches!(
3012 &thread.entries[1],
3013 AgentThreadEntry::ToolCall(ToolCall {
3014 status: ToolCallStatus::Canceled,
3015 ..
3016 })
3017 ));
3018 });
3019
3020 thread
3021 .update(cx, |thread, cx| {
3022 thread.handle_session_update(
3023 acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
3024 id,
3025 fields: acp::ToolCallUpdateFields {
3026 status: Some(acp::ToolCallStatus::Completed),
3027 ..Default::default()
3028 },
3029 meta: None,
3030 }),
3031 cx,
3032 )
3033 })
3034 .unwrap();
3035
3036 request.await.unwrap();
3037
3038 thread.read_with(cx, |thread, _| {
3039 assert!(matches!(
3040 thread.entries[1],
3041 AgentThreadEntry::ToolCall(ToolCall {
3042 status: ToolCallStatus::Completed,
3043 ..
3044 })
3045 ));
3046 });
3047 }
3048
3049 #[gpui::test]
3050 async fn test_no_pending_edits_if_tool_calls_are_completed(cx: &mut TestAppContext) {
3051 init_test(cx);
3052 let fs = FakeFs::new(cx.background_executor.clone());
3053 fs.insert_tree(path!("/test"), json!({})).await;
3054 let project = Project::test(fs, [path!("/test").as_ref()], cx).await;
3055
3056 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3057 move |_, thread, mut cx| {
3058 async move {
3059 thread
3060 .update(&mut cx, |thread, cx| {
3061 thread.handle_session_update(
3062 acp::SessionUpdate::ToolCall(acp::ToolCall {
3063 id: acp::ToolCallId("test".into()),
3064 title: "Label".into(),
3065 kind: acp::ToolKind::Edit,
3066 status: acp::ToolCallStatus::Completed,
3067 content: vec![acp::ToolCallContent::Diff {
3068 diff: acp::Diff {
3069 path: "/test/test.txt".into(),
3070 old_text: None,
3071 new_text: "foo".into(),
3072 meta: None,
3073 },
3074 }],
3075 locations: vec![],
3076 raw_input: None,
3077 raw_output: None,
3078 meta: None,
3079 }),
3080 cx,
3081 )
3082 })
3083 .unwrap()
3084 .unwrap();
3085 Ok(acp::PromptResponse {
3086 stop_reason: acp::StopReason::EndTurn,
3087 meta: None,
3088 })
3089 }
3090 .boxed_local()
3091 }
3092 }));
3093
3094 let thread = cx
3095 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3096 .await
3097 .unwrap();
3098
3099 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Hi".into()], cx)))
3100 .await
3101 .unwrap();
3102
3103 assert!(cx.read(|cx| !thread.read(cx).has_pending_edit_tool_calls()));
3104 }
3105
3106 #[gpui::test(iterations = 10)]
3107 async fn test_checkpoints(cx: &mut TestAppContext) {
3108 init_test(cx);
3109 let fs = FakeFs::new(cx.background_executor.clone());
3110 fs.insert_tree(
3111 path!("/test"),
3112 json!({
3113 ".git": {}
3114 }),
3115 )
3116 .await;
3117 let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
3118
3119 let simulate_changes = Arc::new(AtomicBool::new(true));
3120 let next_filename = Arc::new(AtomicUsize::new(0));
3121 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3122 let simulate_changes = simulate_changes.clone();
3123 let next_filename = next_filename.clone();
3124 let fs = fs.clone();
3125 move |request, thread, mut cx| {
3126 let fs = fs.clone();
3127 let simulate_changes = simulate_changes.clone();
3128 let next_filename = next_filename.clone();
3129 async move {
3130 if simulate_changes.load(SeqCst) {
3131 let filename = format!("/test/file-{}", next_filename.fetch_add(1, SeqCst));
3132 fs.write(Path::new(&filename), b"").await?;
3133 }
3134
3135 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
3136 panic!("expected text content block");
3137 };
3138 thread.update(&mut cx, |thread, cx| {
3139 thread
3140 .handle_session_update(
3141 acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
3142 content: content.text.to_uppercase().into(),
3143 meta: None,
3144 }),
3145 cx,
3146 )
3147 .unwrap();
3148 })?;
3149 Ok(acp::PromptResponse {
3150 stop_reason: acp::StopReason::EndTurn,
3151 meta: None,
3152 })
3153 }
3154 .boxed_local()
3155 }
3156 }));
3157 let thread = cx
3158 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3159 .await
3160 .unwrap();
3161
3162 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Lorem".into()], cx)))
3163 .await
3164 .unwrap();
3165 thread.read_with(cx, |thread, cx| {
3166 assert_eq!(
3167 thread.to_markdown(cx),
3168 indoc! {"
3169 ## User (checkpoint)
3170
3171 Lorem
3172
3173 ## Assistant
3174
3175 LOREM
3176
3177 "}
3178 );
3179 });
3180 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
3181
3182 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["ipsum".into()], cx)))
3183 .await
3184 .unwrap();
3185 thread.read_with(cx, |thread, cx| {
3186 assert_eq!(
3187 thread.to_markdown(cx),
3188 indoc! {"
3189 ## User (checkpoint)
3190
3191 Lorem
3192
3193 ## Assistant
3194
3195 LOREM
3196
3197 ## User (checkpoint)
3198
3199 ipsum
3200
3201 ## Assistant
3202
3203 IPSUM
3204
3205 "}
3206 );
3207 });
3208 assert_eq!(
3209 fs.files(),
3210 vec![
3211 Path::new(path!("/test/file-0")),
3212 Path::new(path!("/test/file-1"))
3213 ]
3214 );
3215
3216 // Checkpoint isn't stored when there are no changes.
3217 simulate_changes.store(false, SeqCst);
3218 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["dolor".into()], cx)))
3219 .await
3220 .unwrap();
3221 thread.read_with(cx, |thread, cx| {
3222 assert_eq!(
3223 thread.to_markdown(cx),
3224 indoc! {"
3225 ## User (checkpoint)
3226
3227 Lorem
3228
3229 ## Assistant
3230
3231 LOREM
3232
3233 ## User (checkpoint)
3234
3235 ipsum
3236
3237 ## Assistant
3238
3239 IPSUM
3240
3241 ## User
3242
3243 dolor
3244
3245 ## Assistant
3246
3247 DOLOR
3248
3249 "}
3250 );
3251 });
3252 assert_eq!(
3253 fs.files(),
3254 vec![
3255 Path::new(path!("/test/file-0")),
3256 Path::new(path!("/test/file-1"))
3257 ]
3258 );
3259
3260 // Rewinding the conversation truncates the history and restores the checkpoint.
3261 thread
3262 .update(cx, |thread, cx| {
3263 let AgentThreadEntry::UserMessage(message) = &thread.entries[2] else {
3264 panic!("unexpected entries {:?}", thread.entries)
3265 };
3266 thread.restore_checkpoint(message.id.clone().unwrap(), cx)
3267 })
3268 .await
3269 .unwrap();
3270 thread.read_with(cx, |thread, cx| {
3271 assert_eq!(
3272 thread.to_markdown(cx),
3273 indoc! {"
3274 ## User (checkpoint)
3275
3276 Lorem
3277
3278 ## Assistant
3279
3280 LOREM
3281
3282 "}
3283 );
3284 });
3285 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
3286 }
3287
3288 #[gpui::test]
3289 async fn test_tool_result_refusal(cx: &mut TestAppContext) {
3290 use std::sync::atomic::AtomicUsize;
3291 init_test(cx);
3292
3293 let fs = FakeFs::new(cx.executor());
3294 let project = Project::test(fs, None, cx).await;
3295
3296 // Create a connection that simulates refusal after tool result
3297 let prompt_count = Arc::new(AtomicUsize::new(0));
3298 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3299 let prompt_count = prompt_count.clone();
3300 move |_request, thread, mut cx| {
3301 let count = prompt_count.fetch_add(1, SeqCst);
3302 async move {
3303 if count == 0 {
3304 // First prompt: Generate a tool call with result
3305 thread.update(&mut cx, |thread, cx| {
3306 thread
3307 .handle_session_update(
3308 acp::SessionUpdate::ToolCall(acp::ToolCall {
3309 id: acp::ToolCallId("tool1".into()),
3310 title: "Test Tool".into(),
3311 kind: acp::ToolKind::Fetch,
3312 status: acp::ToolCallStatus::Completed,
3313 content: vec![],
3314 locations: vec![],
3315 raw_input: Some(serde_json::json!({"query": "test"})),
3316 raw_output: Some(
3317 serde_json::json!({"result": "inappropriate content"}),
3318 ),
3319 meta: None,
3320 }),
3321 cx,
3322 )
3323 .unwrap();
3324 })?;
3325
3326 // Now return refusal because of the tool result
3327 Ok(acp::PromptResponse {
3328 stop_reason: acp::StopReason::Refusal,
3329 meta: None,
3330 })
3331 } else {
3332 Ok(acp::PromptResponse {
3333 stop_reason: acp::StopReason::EndTurn,
3334 meta: None,
3335 })
3336 }
3337 }
3338 .boxed_local()
3339 }
3340 }));
3341
3342 let thread = cx
3343 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3344 .await
3345 .unwrap();
3346
3347 // Track if we see a Refusal event
3348 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
3349 let saw_refusal_event_captured = saw_refusal_event.clone();
3350 thread.update(cx, |_thread, cx| {
3351 cx.subscribe(
3352 &thread,
3353 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
3354 if matches!(event, AcpThreadEvent::Refusal) {
3355 *saw_refusal_event_captured.lock().unwrap() = true;
3356 }
3357 },
3358 )
3359 .detach();
3360 });
3361
3362 // Send a user message - this will trigger tool call and then refusal
3363 let send_task = thread.update(cx, |thread, cx| {
3364 thread.send(
3365 vec![acp::ContentBlock::Text(acp::TextContent {
3366 text: "Hello".into(),
3367 annotations: None,
3368 meta: None,
3369 })],
3370 cx,
3371 )
3372 });
3373 cx.background_executor.spawn(send_task).detach();
3374 cx.run_until_parked();
3375
3376 // Verify that:
3377 // 1. A Refusal event WAS emitted (because it's a tool result refusal, not user prompt)
3378 // 2. The user message was NOT truncated
3379 assert!(
3380 *saw_refusal_event.lock().unwrap(),
3381 "Refusal event should be emitted for tool result refusals"
3382 );
3383
3384 thread.read_with(cx, |thread, _| {
3385 let entries = thread.entries();
3386 assert!(entries.len() >= 2, "Should have user message and tool call");
3387
3388 // Verify user message is still there
3389 assert!(
3390 matches!(entries[0], AgentThreadEntry::UserMessage(_)),
3391 "User message should not be truncated"
3392 );
3393
3394 // Verify tool call is there with result
3395 if let AgentThreadEntry::ToolCall(tool_call) = &entries[1] {
3396 assert!(
3397 tool_call.raw_output.is_some(),
3398 "Tool call should have output"
3399 );
3400 } else {
3401 panic!("Expected tool call at index 1");
3402 }
3403 });
3404 }
3405
3406 #[gpui::test]
3407 async fn test_user_prompt_refusal_emits_event(cx: &mut TestAppContext) {
3408 init_test(cx);
3409
3410 let fs = FakeFs::new(cx.executor());
3411 let project = Project::test(fs, None, cx).await;
3412
3413 let refuse_next = Arc::new(AtomicBool::new(false));
3414 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3415 let refuse_next = refuse_next.clone();
3416 move |_request, _thread, _cx| {
3417 if refuse_next.load(SeqCst) {
3418 async move {
3419 Ok(acp::PromptResponse {
3420 stop_reason: acp::StopReason::Refusal,
3421 meta: None,
3422 })
3423 }
3424 .boxed_local()
3425 } else {
3426 async move {
3427 Ok(acp::PromptResponse {
3428 stop_reason: acp::StopReason::EndTurn,
3429 meta: None,
3430 })
3431 }
3432 .boxed_local()
3433 }
3434 }
3435 }));
3436
3437 let thread = cx
3438 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3439 .await
3440 .unwrap();
3441
3442 // Track if we see a Refusal event
3443 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
3444 let saw_refusal_event_captured = saw_refusal_event.clone();
3445 thread.update(cx, |_thread, cx| {
3446 cx.subscribe(
3447 &thread,
3448 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
3449 if matches!(event, AcpThreadEvent::Refusal) {
3450 *saw_refusal_event_captured.lock().unwrap() = true;
3451 }
3452 },
3453 )
3454 .detach();
3455 });
3456
3457 // Send a message that will be refused
3458 refuse_next.store(true, SeqCst);
3459 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
3460 .await
3461 .unwrap();
3462
3463 // Verify that a Refusal event WAS emitted for user prompt refusal
3464 assert!(
3465 *saw_refusal_event.lock().unwrap(),
3466 "Refusal event should be emitted for user prompt refusals"
3467 );
3468
3469 // Verify the message was truncated (user prompt refusal)
3470 thread.read_with(cx, |thread, cx| {
3471 assert_eq!(thread.to_markdown(cx), "");
3472 });
3473 }
3474
3475 #[gpui::test]
3476 async fn test_refusal(cx: &mut TestAppContext) {
3477 init_test(cx);
3478 let fs = FakeFs::new(cx.background_executor.clone());
3479 fs.insert_tree(path!("/"), json!({})).await;
3480 let project = Project::test(fs.clone(), [path!("/").as_ref()], cx).await;
3481
3482 let refuse_next = Arc::new(AtomicBool::new(false));
3483 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3484 let refuse_next = refuse_next.clone();
3485 move |request, thread, mut cx| {
3486 let refuse_next = refuse_next.clone();
3487 async move {
3488 if refuse_next.load(SeqCst) {
3489 return Ok(acp::PromptResponse {
3490 stop_reason: acp::StopReason::Refusal,
3491 meta: None,
3492 });
3493 }
3494
3495 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
3496 panic!("expected text content block");
3497 };
3498 thread.update(&mut cx, |thread, cx| {
3499 thread
3500 .handle_session_update(
3501 acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
3502 content: content.text.to_uppercase().into(),
3503 meta: None,
3504 }),
3505 cx,
3506 )
3507 .unwrap();
3508 })?;
3509 Ok(acp::PromptResponse {
3510 stop_reason: acp::StopReason::EndTurn,
3511 meta: None,
3512 })
3513 }
3514 .boxed_local()
3515 }
3516 }));
3517 let thread = cx
3518 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3519 .await
3520 .unwrap();
3521
3522 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
3523 .await
3524 .unwrap();
3525 thread.read_with(cx, |thread, cx| {
3526 assert_eq!(
3527 thread.to_markdown(cx),
3528 indoc! {"
3529 ## User
3530
3531 hello
3532
3533 ## Assistant
3534
3535 HELLO
3536
3537 "}
3538 );
3539 });
3540
3541 // Simulate refusing the second message. The message should be truncated
3542 // when a user prompt is refused.
3543 refuse_next.store(true, SeqCst);
3544 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["world".into()], cx)))
3545 .await
3546 .unwrap();
3547 thread.read_with(cx, |thread, cx| {
3548 assert_eq!(
3549 thread.to_markdown(cx),
3550 indoc! {"
3551 ## User
3552
3553 hello
3554
3555 ## Assistant
3556
3557 HELLO
3558
3559 "}
3560 );
3561 });
3562 }
3563
3564 async fn run_until_first_tool_call(
3565 thread: &Entity<AcpThread>,
3566 cx: &mut TestAppContext,
3567 ) -> usize {
3568 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
3569
3570 let subscription = cx.update(|cx| {
3571 cx.subscribe(thread, move |thread, _, cx| {
3572 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
3573 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
3574 return tx.try_send(ix).unwrap();
3575 }
3576 }
3577 })
3578 });
3579
3580 select! {
3581 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
3582 panic!("Timeout waiting for tool call")
3583 }
3584 ix = rx.next().fuse() => {
3585 drop(subscription);
3586 ix.unwrap()
3587 }
3588 }
3589 }
3590
3591 #[derive(Clone, Default)]
3592 struct FakeAgentConnection {
3593 auth_methods: Vec<acp::AuthMethod>,
3594 sessions: Arc<parking_lot::Mutex<HashMap<acp::SessionId, WeakEntity<AcpThread>>>>,
3595 on_user_message: Option<
3596 Rc<
3597 dyn Fn(
3598 acp::PromptRequest,
3599 WeakEntity<AcpThread>,
3600 AsyncApp,
3601 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3602 + 'static,
3603 >,
3604 >,
3605 }
3606
3607 impl FakeAgentConnection {
3608 fn new() -> Self {
3609 Self {
3610 auth_methods: Vec::new(),
3611 on_user_message: None,
3612 sessions: Arc::default(),
3613 }
3614 }
3615
3616 #[expect(unused)]
3617 fn with_auth_methods(mut self, auth_methods: Vec<acp::AuthMethod>) -> Self {
3618 self.auth_methods = auth_methods;
3619 self
3620 }
3621
3622 fn on_user_message(
3623 mut self,
3624 handler: impl Fn(
3625 acp::PromptRequest,
3626 WeakEntity<AcpThread>,
3627 AsyncApp,
3628 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3629 + 'static,
3630 ) -> Self {
3631 self.on_user_message.replace(Rc::new(handler));
3632 self
3633 }
3634 }
3635
3636 impl AgentConnection for FakeAgentConnection {
3637 fn telemetry_id(&self) -> &'static str {
3638 "fake"
3639 }
3640
3641 fn auth_methods(&self) -> &[acp::AuthMethod] {
3642 &self.auth_methods
3643 }
3644
3645 fn new_thread(
3646 self: Rc<Self>,
3647 project: Entity<Project>,
3648 _cwd: &Path,
3649 cx: &mut App,
3650 ) -> Task<gpui::Result<Entity<AcpThread>>> {
3651 let session_id = acp::SessionId(
3652 rand::rng()
3653 .sample_iter(&distr::Alphanumeric)
3654 .take(7)
3655 .map(char::from)
3656 .collect::<String>()
3657 .into(),
3658 );
3659 let action_log = cx.new(|_| ActionLog::new(project.clone()));
3660 let thread = cx.new(|cx| {
3661 AcpThread::new(
3662 "Test",
3663 self.clone(),
3664 project,
3665 action_log,
3666 session_id.clone(),
3667 watch::Receiver::constant(acp::PromptCapabilities {
3668 image: true,
3669 audio: true,
3670 embedded_context: true,
3671 meta: None,
3672 }),
3673 cx,
3674 )
3675 });
3676 self.sessions.lock().insert(session_id, thread.downgrade());
3677 Task::ready(Ok(thread))
3678 }
3679
3680 fn authenticate(&self, method: acp::AuthMethodId, _cx: &mut App) -> Task<gpui::Result<()>> {
3681 if self.auth_methods().iter().any(|m| m.id == method) {
3682 Task::ready(Ok(()))
3683 } else {
3684 Task::ready(Err(anyhow!("Invalid Auth Method")))
3685 }
3686 }
3687
3688 fn prompt(
3689 &self,
3690 _id: Option<UserMessageId>,
3691 params: acp::PromptRequest,
3692 cx: &mut App,
3693 ) -> Task<gpui::Result<acp::PromptResponse>> {
3694 let sessions = self.sessions.lock();
3695 let thread = sessions.get(¶ms.session_id).unwrap();
3696 if let Some(handler) = &self.on_user_message {
3697 let handler = handler.clone();
3698 let thread = thread.clone();
3699 cx.spawn(async move |cx| handler(params, thread, cx.clone()).await)
3700 } else {
3701 Task::ready(Ok(acp::PromptResponse {
3702 stop_reason: acp::StopReason::EndTurn,
3703 meta: None,
3704 }))
3705 }
3706 }
3707
3708 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
3709 let sessions = self.sessions.lock();
3710 let thread = sessions.get(session_id).unwrap().clone();
3711
3712 cx.spawn(async move |cx| {
3713 thread
3714 .update(cx, |thread, cx| thread.cancel(cx))
3715 .unwrap()
3716 .await
3717 })
3718 .detach();
3719 }
3720
3721 fn truncate(
3722 &self,
3723 session_id: &acp::SessionId,
3724 _cx: &App,
3725 ) -> Option<Rc<dyn AgentSessionTruncate>> {
3726 Some(Rc::new(FakeAgentSessionEditor {
3727 _session_id: session_id.clone(),
3728 }))
3729 }
3730
3731 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3732 self
3733 }
3734 }
3735
3736 struct FakeAgentSessionEditor {
3737 _session_id: acp::SessionId,
3738 }
3739
3740 impl AgentSessionTruncate for FakeAgentSessionEditor {
3741 fn run(&self, _message_id: UserMessageId, _cx: &mut App) -> Task<Result<()>> {
3742 Task::ready(Ok(()))
3743 }
3744 }
3745
3746 #[gpui::test]
3747 async fn test_tool_call_not_found_creates_failed_entry(cx: &mut TestAppContext) {
3748 init_test(cx);
3749
3750 let fs = FakeFs::new(cx.executor());
3751 let project = Project::test(fs, [], cx).await;
3752 let connection = Rc::new(FakeAgentConnection::new());
3753 let thread = cx
3754 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3755 .await
3756 .unwrap();
3757
3758 // Try to update a tool call that doesn't exist
3759 let nonexistent_id = acp::ToolCallId("nonexistent-tool-call".into());
3760 thread.update(cx, |thread, cx| {
3761 let result = thread.handle_session_update(
3762 acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
3763 id: nonexistent_id.clone(),
3764 fields: acp::ToolCallUpdateFields {
3765 status: Some(acp::ToolCallStatus::Completed),
3766 ..Default::default()
3767 },
3768 meta: None,
3769 }),
3770 cx,
3771 );
3772
3773 // The update should succeed (not return an error)
3774 assert!(result.is_ok());
3775
3776 // There should now be exactly one entry in the thread
3777 assert_eq!(thread.entries.len(), 1);
3778
3779 // The entry should be a failed tool call
3780 if let AgentThreadEntry::ToolCall(tool_call) = &thread.entries[0] {
3781 assert_eq!(tool_call.id, nonexistent_id);
3782 assert!(matches!(tool_call.status, ToolCallStatus::Failed));
3783 assert_eq!(tool_call.kind, acp::ToolKind::Fetch);
3784
3785 // Check that the content contains the error message
3786 assert_eq!(tool_call.content.len(), 1);
3787 if let ToolCallContent::ContentBlock(content_block) = &tool_call.content[0] {
3788 match content_block {
3789 ContentBlock::Markdown { markdown } => {
3790 let markdown_text = markdown.read(cx).source();
3791 assert!(markdown_text.contains("Tool call not found"));
3792 }
3793 ContentBlock::Empty => panic!("Expected markdown content, got empty"),
3794 ContentBlock::ResourceLink { .. } => {
3795 panic!("Expected markdown content, got resource link")
3796 }
3797 }
3798 } else {
3799 panic!("Expected ContentBlock, got: {:?}", tool_call.content[0]);
3800 }
3801 } else {
3802 panic!("Expected ToolCall entry, got: {:?}", thread.entries[0]);
3803 }
3804 });
3805 }
3806}