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 Project::init_settings(cx);
2381 language::init(cx);
2382 });
2383 }
2384
2385 #[gpui::test]
2386 async fn test_terminal_output_buffered_before_created_renders(cx: &mut gpui::TestAppContext) {
2387 init_test(cx);
2388
2389 let fs = FakeFs::new(cx.executor());
2390 let project = Project::test(fs, [], cx).await;
2391 let connection = Rc::new(FakeAgentConnection::new());
2392 let thread = cx
2393 .update(|cx| connection.new_thread(project, std::path::Path::new(path!("/test")), cx))
2394 .await
2395 .unwrap();
2396
2397 let terminal_id = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
2398
2399 // Send Output BEFORE Created - should be buffered by acp_thread
2400 thread.update(cx, |thread, cx| {
2401 thread.on_terminal_provider_event(
2402 TerminalProviderEvent::Output {
2403 terminal_id: terminal_id.clone(),
2404 data: b"hello buffered".to_vec(),
2405 },
2406 cx,
2407 );
2408 });
2409
2410 // Create a display-only terminal and then send Created
2411 let lower = cx.new(|cx| {
2412 let builder = ::terminal::TerminalBuilder::new_display_only(
2413 ::terminal::terminal_settings::CursorShape::default(),
2414 ::terminal::terminal_settings::AlternateScroll::On,
2415 None,
2416 0,
2417 )
2418 .unwrap();
2419 builder.subscribe(cx)
2420 });
2421
2422 thread.update(cx, |thread, cx| {
2423 thread.on_terminal_provider_event(
2424 TerminalProviderEvent::Created {
2425 terminal_id: terminal_id.clone(),
2426 label: "Buffered Test".to_string(),
2427 cwd: None,
2428 output_byte_limit: None,
2429 terminal: lower.clone(),
2430 },
2431 cx,
2432 );
2433 });
2434
2435 // After Created, buffered Output should have been flushed into the renderer
2436 let content = thread.read_with(cx, |thread, cx| {
2437 let term = thread.terminal(terminal_id.clone()).unwrap();
2438 term.read_with(cx, |t, cx| t.inner().read(cx).get_content())
2439 });
2440
2441 assert!(
2442 content.contains("hello buffered"),
2443 "expected buffered output to render, got: {content}"
2444 );
2445 }
2446
2447 #[gpui::test]
2448 async fn test_terminal_output_and_exit_buffered_before_created(cx: &mut gpui::TestAppContext) {
2449 init_test(cx);
2450
2451 let fs = FakeFs::new(cx.executor());
2452 let project = Project::test(fs, [], cx).await;
2453 let connection = Rc::new(FakeAgentConnection::new());
2454 let thread = cx
2455 .update(|cx| connection.new_thread(project, std::path::Path::new(path!("/test")), cx))
2456 .await
2457 .unwrap();
2458
2459 let terminal_id = acp::TerminalId(uuid::Uuid::new_v4().to_string().into());
2460
2461 // Send Output BEFORE Created
2462 thread.update(cx, |thread, cx| {
2463 thread.on_terminal_provider_event(
2464 TerminalProviderEvent::Output {
2465 terminal_id: terminal_id.clone(),
2466 data: b"pre-exit data".to_vec(),
2467 },
2468 cx,
2469 );
2470 });
2471
2472 // Send Exit BEFORE Created
2473 thread.update(cx, |thread, cx| {
2474 thread.on_terminal_provider_event(
2475 TerminalProviderEvent::Exit {
2476 terminal_id: terminal_id.clone(),
2477 status: acp::TerminalExitStatus {
2478 exit_code: Some(0),
2479 signal: None,
2480 meta: None,
2481 },
2482 },
2483 cx,
2484 );
2485 });
2486
2487 // Now create a display-only lower-level terminal and send Created
2488 let lower = cx.new(|cx| {
2489 let builder = ::terminal::TerminalBuilder::new_display_only(
2490 ::terminal::terminal_settings::CursorShape::default(),
2491 ::terminal::terminal_settings::AlternateScroll::On,
2492 None,
2493 0,
2494 )
2495 .unwrap();
2496 builder.subscribe(cx)
2497 });
2498
2499 thread.update(cx, |thread, cx| {
2500 thread.on_terminal_provider_event(
2501 TerminalProviderEvent::Created {
2502 terminal_id: terminal_id.clone(),
2503 label: "Buffered Exit Test".to_string(),
2504 cwd: None,
2505 output_byte_limit: None,
2506 terminal: lower.clone(),
2507 },
2508 cx,
2509 );
2510 });
2511
2512 // Output should be present after Created (flushed from buffer)
2513 let content = thread.read_with(cx, |thread, cx| {
2514 let term = thread.terminal(terminal_id.clone()).unwrap();
2515 term.read_with(cx, |t, cx| t.inner().read(cx).get_content())
2516 });
2517
2518 assert!(
2519 content.contains("pre-exit data"),
2520 "expected pre-exit data to render, got: {content}"
2521 );
2522 }
2523
2524 #[gpui::test]
2525 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
2526 init_test(cx);
2527
2528 let fs = FakeFs::new(cx.executor());
2529 let project = Project::test(fs, [], cx).await;
2530 let connection = Rc::new(FakeAgentConnection::new());
2531 let thread = cx
2532 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2533 .await
2534 .unwrap();
2535
2536 // Test creating a new user message
2537 thread.update(cx, |thread, cx| {
2538 thread.push_user_content_block(
2539 None,
2540 acp::ContentBlock::Text(acp::TextContent {
2541 annotations: None,
2542 text: "Hello, ".to_string(),
2543 meta: None,
2544 }),
2545 cx,
2546 );
2547 });
2548
2549 thread.update(cx, |thread, cx| {
2550 assert_eq!(thread.entries.len(), 1);
2551 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2552 assert_eq!(user_msg.id, None);
2553 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
2554 } else {
2555 panic!("Expected UserMessage");
2556 }
2557 });
2558
2559 // Test appending to existing user message
2560 let message_1_id = UserMessageId::new();
2561 thread.update(cx, |thread, cx| {
2562 thread.push_user_content_block(
2563 Some(message_1_id.clone()),
2564 acp::ContentBlock::Text(acp::TextContent {
2565 annotations: None,
2566 text: "world!".to_string(),
2567 meta: None,
2568 }),
2569 cx,
2570 );
2571 });
2572
2573 thread.update(cx, |thread, cx| {
2574 assert_eq!(thread.entries.len(), 1);
2575 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2576 assert_eq!(user_msg.id, Some(message_1_id));
2577 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
2578 } else {
2579 panic!("Expected UserMessage");
2580 }
2581 });
2582
2583 // Test creating new user message after assistant message
2584 thread.update(cx, |thread, cx| {
2585 thread.push_assistant_content_block(
2586 acp::ContentBlock::Text(acp::TextContent {
2587 annotations: None,
2588 text: "Assistant response".to_string(),
2589 meta: None,
2590 }),
2591 false,
2592 cx,
2593 );
2594 });
2595
2596 let message_2_id = UserMessageId::new();
2597 thread.update(cx, |thread, cx| {
2598 thread.push_user_content_block(
2599 Some(message_2_id.clone()),
2600 acp::ContentBlock::Text(acp::TextContent {
2601 annotations: None,
2602 text: "New user message".to_string(),
2603 meta: None,
2604 }),
2605 cx,
2606 );
2607 });
2608
2609 thread.update(cx, |thread, cx| {
2610 assert_eq!(thread.entries.len(), 3);
2611 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
2612 assert_eq!(user_msg.id, Some(message_2_id));
2613 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
2614 } else {
2615 panic!("Expected UserMessage at index 2");
2616 }
2617 });
2618 }
2619
2620 #[gpui::test]
2621 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
2622 init_test(cx);
2623
2624 let fs = FakeFs::new(cx.executor());
2625 let project = Project::test(fs, [], cx).await;
2626 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2627 |_, thread, mut cx| {
2628 async move {
2629 thread.update(&mut cx, |thread, cx| {
2630 thread
2631 .handle_session_update(
2632 acp::SessionUpdate::AgentThoughtChunk(acp::ContentChunk {
2633 content: "Thinking ".into(),
2634 meta: None,
2635 }),
2636 cx,
2637 )
2638 .unwrap();
2639 thread
2640 .handle_session_update(
2641 acp::SessionUpdate::AgentThoughtChunk(acp::ContentChunk {
2642 content: "hard!".into(),
2643 meta: None,
2644 }),
2645 cx,
2646 )
2647 .unwrap();
2648 })?;
2649 Ok(acp::PromptResponse {
2650 stop_reason: acp::StopReason::EndTurn,
2651 meta: None,
2652 })
2653 }
2654 .boxed_local()
2655 },
2656 ));
2657
2658 let thread = cx
2659 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2660 .await
2661 .unwrap();
2662
2663 thread
2664 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
2665 .await
2666 .unwrap();
2667
2668 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
2669 assert_eq!(
2670 output,
2671 indoc! {r#"
2672 ## User
2673
2674 Hello from Zed!
2675
2676 ## Assistant
2677
2678 <thinking>
2679 Thinking hard!
2680 </thinking>
2681
2682 "#}
2683 );
2684 }
2685
2686 #[gpui::test]
2687 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
2688 init_test(cx);
2689
2690 let fs = FakeFs::new(cx.executor());
2691 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
2692 .await;
2693 let project = Project::test(fs.clone(), [], cx).await;
2694 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
2695 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
2696 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2697 move |_, thread, mut cx| {
2698 let read_file_tx = read_file_tx.clone();
2699 async move {
2700 let content = thread
2701 .update(&mut cx, |thread, cx| {
2702 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2703 })
2704 .unwrap()
2705 .await
2706 .unwrap();
2707 assert_eq!(content, "one\ntwo\nthree\n");
2708 read_file_tx.take().unwrap().send(()).unwrap();
2709 thread
2710 .update(&mut cx, |thread, cx| {
2711 thread.write_text_file(
2712 path!("/tmp/foo").into(),
2713 "one\ntwo\nthree\nfour\nfive\n".to_string(),
2714 cx,
2715 )
2716 })
2717 .unwrap()
2718 .await
2719 .unwrap();
2720 Ok(acp::PromptResponse {
2721 stop_reason: acp::StopReason::EndTurn,
2722 meta: None,
2723 })
2724 }
2725 .boxed_local()
2726 },
2727 ));
2728
2729 let (worktree, pathbuf) = project
2730 .update(cx, |project, cx| {
2731 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2732 })
2733 .await
2734 .unwrap();
2735 let buffer = project
2736 .update(cx, |project, cx| {
2737 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
2738 })
2739 .await
2740 .unwrap();
2741
2742 let thread = cx
2743 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2744 .await
2745 .unwrap();
2746
2747 let request = thread.update(cx, |thread, cx| {
2748 thread.send_raw("Extend the count in /tmp/foo", cx)
2749 });
2750 read_file_rx.await.ok();
2751 buffer.update(cx, |buffer, cx| {
2752 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
2753 });
2754 cx.run_until_parked();
2755 assert_eq!(
2756 buffer.read_with(cx, |buffer, _| buffer.text()),
2757 "zero\none\ntwo\nthree\nfour\nfive\n"
2758 );
2759 assert_eq!(
2760 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
2761 "zero\none\ntwo\nthree\nfour\nfive\n"
2762 );
2763 request.await.unwrap();
2764 }
2765
2766 #[gpui::test]
2767 async fn test_reading_from_line(cx: &mut TestAppContext) {
2768 init_test(cx);
2769
2770 let fs = FakeFs::new(cx.executor());
2771 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\nfour\n"}))
2772 .await;
2773 let project = Project::test(fs.clone(), [], cx).await;
2774 project
2775 .update(cx, |project, cx| {
2776 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2777 })
2778 .await
2779 .unwrap();
2780
2781 let connection = Rc::new(FakeAgentConnection::new());
2782
2783 let thread = cx
2784 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2785 .await
2786 .unwrap();
2787
2788 // Whole file
2789 let content = thread
2790 .update(cx, |thread, cx| {
2791 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2792 })
2793 .await
2794 .unwrap();
2795
2796 assert_eq!(content, "one\ntwo\nthree\nfour\n");
2797
2798 // Only start line
2799 let content = thread
2800 .update(cx, |thread, cx| {
2801 thread.read_text_file(path!("/tmp/foo").into(), Some(3), None, false, cx)
2802 })
2803 .await
2804 .unwrap();
2805
2806 assert_eq!(content, "three\nfour\n");
2807
2808 // Only limit
2809 let content = thread
2810 .update(cx, |thread, cx| {
2811 thread.read_text_file(path!("/tmp/foo").into(), None, Some(2), false, cx)
2812 })
2813 .await
2814 .unwrap();
2815
2816 assert_eq!(content, "one\ntwo\n");
2817
2818 // Range
2819 let content = thread
2820 .update(cx, |thread, cx| {
2821 thread.read_text_file(path!("/tmp/foo").into(), Some(2), Some(2), false, cx)
2822 })
2823 .await
2824 .unwrap();
2825
2826 assert_eq!(content, "two\nthree\n");
2827
2828 // Invalid
2829 let err = thread
2830 .update(cx, |thread, cx| {
2831 thread.read_text_file(path!("/tmp/foo").into(), Some(6), Some(2), false, cx)
2832 })
2833 .await
2834 .unwrap_err();
2835
2836 assert_eq!(
2837 err.to_string(),
2838 "Invalid params: \"Attempting to read beyond the end of the file, line 5:0\""
2839 );
2840 }
2841
2842 #[gpui::test]
2843 async fn test_reading_empty_file(cx: &mut TestAppContext) {
2844 init_test(cx);
2845
2846 let fs = FakeFs::new(cx.executor());
2847 fs.insert_tree(path!("/tmp"), json!({"foo": ""})).await;
2848 let project = Project::test(fs.clone(), [], cx).await;
2849 project
2850 .update(cx, |project, cx| {
2851 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2852 })
2853 .await
2854 .unwrap();
2855
2856 let connection = Rc::new(FakeAgentConnection::new());
2857
2858 let thread = cx
2859 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2860 .await
2861 .unwrap();
2862
2863 // Whole file
2864 let content = thread
2865 .update(cx, |thread, cx| {
2866 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2867 })
2868 .await
2869 .unwrap();
2870
2871 assert_eq!(content, "");
2872
2873 // Only start line
2874 let content = thread
2875 .update(cx, |thread, cx| {
2876 thread.read_text_file(path!("/tmp/foo").into(), Some(1), None, false, cx)
2877 })
2878 .await
2879 .unwrap();
2880
2881 assert_eq!(content, "");
2882
2883 // Only limit
2884 let content = thread
2885 .update(cx, |thread, cx| {
2886 thread.read_text_file(path!("/tmp/foo").into(), None, Some(2), false, cx)
2887 })
2888 .await
2889 .unwrap();
2890
2891 assert_eq!(content, "");
2892
2893 // Range
2894 let content = thread
2895 .update(cx, |thread, cx| {
2896 thread.read_text_file(path!("/tmp/foo").into(), Some(1), Some(1), false, cx)
2897 })
2898 .await
2899 .unwrap();
2900
2901 assert_eq!(content, "");
2902
2903 // Invalid
2904 let err = thread
2905 .update(cx, |thread, cx| {
2906 thread.read_text_file(path!("/tmp/foo").into(), Some(5), Some(2), false, cx)
2907 })
2908 .await
2909 .unwrap_err();
2910
2911 assert_eq!(
2912 err.to_string(),
2913 "Invalid params: \"Attempting to read beyond the end of the file, line 1:0\""
2914 );
2915 }
2916 #[gpui::test]
2917 async fn test_reading_non_existing_file(cx: &mut TestAppContext) {
2918 init_test(cx);
2919
2920 let fs = FakeFs::new(cx.executor());
2921 fs.insert_tree(path!("/tmp"), json!({})).await;
2922 let project = Project::test(fs.clone(), [], cx).await;
2923 project
2924 .update(cx, |project, cx| {
2925 project.find_or_create_worktree(path!("/tmp"), true, cx)
2926 })
2927 .await
2928 .unwrap();
2929
2930 let connection = Rc::new(FakeAgentConnection::new());
2931
2932 let thread = cx
2933 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2934 .await
2935 .unwrap();
2936
2937 // Out of project file
2938 let err = thread
2939 .update(cx, |thread, cx| {
2940 thread.read_text_file(path!("/foo").into(), None, None, false, cx)
2941 })
2942 .await
2943 .unwrap_err();
2944
2945 assert_eq!(err.code, acp::ErrorCode::RESOURCE_NOT_FOUND.code);
2946 }
2947
2948 #[gpui::test]
2949 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
2950 init_test(cx);
2951
2952 let fs = FakeFs::new(cx.executor());
2953 let project = Project::test(fs, [], cx).await;
2954 let id = acp::ToolCallId("test".into());
2955
2956 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2957 let id = id.clone();
2958 move |_, thread, mut cx| {
2959 let id = id.clone();
2960 async move {
2961 thread
2962 .update(&mut cx, |thread, cx| {
2963 thread.handle_session_update(
2964 acp::SessionUpdate::ToolCall(acp::ToolCall {
2965 id: id.clone(),
2966 title: "Label".into(),
2967 kind: acp::ToolKind::Fetch,
2968 status: acp::ToolCallStatus::InProgress,
2969 content: vec![],
2970 locations: vec![],
2971 raw_input: None,
2972 raw_output: None,
2973 meta: None,
2974 }),
2975 cx,
2976 )
2977 })
2978 .unwrap()
2979 .unwrap();
2980 Ok(acp::PromptResponse {
2981 stop_reason: acp::StopReason::EndTurn,
2982 meta: None,
2983 })
2984 }
2985 .boxed_local()
2986 }
2987 }));
2988
2989 let thread = cx
2990 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2991 .await
2992 .unwrap();
2993
2994 let request = thread.update(cx, |thread, cx| {
2995 thread.send_raw("Fetch https://example.com", cx)
2996 });
2997
2998 run_until_first_tool_call(&thread, cx).await;
2999
3000 thread.read_with(cx, |thread, _| {
3001 assert!(matches!(
3002 thread.entries[1],
3003 AgentThreadEntry::ToolCall(ToolCall {
3004 status: ToolCallStatus::InProgress,
3005 ..
3006 })
3007 ));
3008 });
3009
3010 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
3011
3012 thread.read_with(cx, |thread, _| {
3013 assert!(matches!(
3014 &thread.entries[1],
3015 AgentThreadEntry::ToolCall(ToolCall {
3016 status: ToolCallStatus::Canceled,
3017 ..
3018 })
3019 ));
3020 });
3021
3022 thread
3023 .update(cx, |thread, cx| {
3024 thread.handle_session_update(
3025 acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
3026 id,
3027 fields: acp::ToolCallUpdateFields {
3028 status: Some(acp::ToolCallStatus::Completed),
3029 ..Default::default()
3030 },
3031 meta: None,
3032 }),
3033 cx,
3034 )
3035 })
3036 .unwrap();
3037
3038 request.await.unwrap();
3039
3040 thread.read_with(cx, |thread, _| {
3041 assert!(matches!(
3042 thread.entries[1],
3043 AgentThreadEntry::ToolCall(ToolCall {
3044 status: ToolCallStatus::Completed,
3045 ..
3046 })
3047 ));
3048 });
3049 }
3050
3051 #[gpui::test]
3052 async fn test_no_pending_edits_if_tool_calls_are_completed(cx: &mut TestAppContext) {
3053 init_test(cx);
3054 let fs = FakeFs::new(cx.background_executor.clone());
3055 fs.insert_tree(path!("/test"), json!({})).await;
3056 let project = Project::test(fs, [path!("/test").as_ref()], cx).await;
3057
3058 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3059 move |_, thread, mut cx| {
3060 async move {
3061 thread
3062 .update(&mut cx, |thread, cx| {
3063 thread.handle_session_update(
3064 acp::SessionUpdate::ToolCall(acp::ToolCall {
3065 id: acp::ToolCallId("test".into()),
3066 title: "Label".into(),
3067 kind: acp::ToolKind::Edit,
3068 status: acp::ToolCallStatus::Completed,
3069 content: vec![acp::ToolCallContent::Diff {
3070 diff: acp::Diff {
3071 path: "/test/test.txt".into(),
3072 old_text: None,
3073 new_text: "foo".into(),
3074 meta: None,
3075 },
3076 }],
3077 locations: vec![],
3078 raw_input: None,
3079 raw_output: None,
3080 meta: None,
3081 }),
3082 cx,
3083 )
3084 })
3085 .unwrap()
3086 .unwrap();
3087 Ok(acp::PromptResponse {
3088 stop_reason: acp::StopReason::EndTurn,
3089 meta: None,
3090 })
3091 }
3092 .boxed_local()
3093 }
3094 }));
3095
3096 let thread = cx
3097 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3098 .await
3099 .unwrap();
3100
3101 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Hi".into()], cx)))
3102 .await
3103 .unwrap();
3104
3105 assert!(cx.read(|cx| !thread.read(cx).has_pending_edit_tool_calls()));
3106 }
3107
3108 #[gpui::test(iterations = 10)]
3109 async fn test_checkpoints(cx: &mut TestAppContext) {
3110 init_test(cx);
3111 let fs = FakeFs::new(cx.background_executor.clone());
3112 fs.insert_tree(
3113 path!("/test"),
3114 json!({
3115 ".git": {}
3116 }),
3117 )
3118 .await;
3119 let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
3120
3121 let simulate_changes = Arc::new(AtomicBool::new(true));
3122 let next_filename = Arc::new(AtomicUsize::new(0));
3123 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3124 let simulate_changes = simulate_changes.clone();
3125 let next_filename = next_filename.clone();
3126 let fs = fs.clone();
3127 move |request, thread, mut cx| {
3128 let fs = fs.clone();
3129 let simulate_changes = simulate_changes.clone();
3130 let next_filename = next_filename.clone();
3131 async move {
3132 if simulate_changes.load(SeqCst) {
3133 let filename = format!("/test/file-{}", next_filename.fetch_add(1, SeqCst));
3134 fs.write(Path::new(&filename), b"").await?;
3135 }
3136
3137 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
3138 panic!("expected text content block");
3139 };
3140 thread.update(&mut cx, |thread, cx| {
3141 thread
3142 .handle_session_update(
3143 acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
3144 content: content.text.to_uppercase().into(),
3145 meta: None,
3146 }),
3147 cx,
3148 )
3149 .unwrap();
3150 })?;
3151 Ok(acp::PromptResponse {
3152 stop_reason: acp::StopReason::EndTurn,
3153 meta: None,
3154 })
3155 }
3156 .boxed_local()
3157 }
3158 }));
3159 let thread = cx
3160 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3161 .await
3162 .unwrap();
3163
3164 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Lorem".into()], cx)))
3165 .await
3166 .unwrap();
3167 thread.read_with(cx, |thread, cx| {
3168 assert_eq!(
3169 thread.to_markdown(cx),
3170 indoc! {"
3171 ## User (checkpoint)
3172
3173 Lorem
3174
3175 ## Assistant
3176
3177 LOREM
3178
3179 "}
3180 );
3181 });
3182 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
3183
3184 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["ipsum".into()], cx)))
3185 .await
3186 .unwrap();
3187 thread.read_with(cx, |thread, cx| {
3188 assert_eq!(
3189 thread.to_markdown(cx),
3190 indoc! {"
3191 ## User (checkpoint)
3192
3193 Lorem
3194
3195 ## Assistant
3196
3197 LOREM
3198
3199 ## User (checkpoint)
3200
3201 ipsum
3202
3203 ## Assistant
3204
3205 IPSUM
3206
3207 "}
3208 );
3209 });
3210 assert_eq!(
3211 fs.files(),
3212 vec![
3213 Path::new(path!("/test/file-0")),
3214 Path::new(path!("/test/file-1"))
3215 ]
3216 );
3217
3218 // Checkpoint isn't stored when there are no changes.
3219 simulate_changes.store(false, SeqCst);
3220 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["dolor".into()], cx)))
3221 .await
3222 .unwrap();
3223 thread.read_with(cx, |thread, cx| {
3224 assert_eq!(
3225 thread.to_markdown(cx),
3226 indoc! {"
3227 ## User (checkpoint)
3228
3229 Lorem
3230
3231 ## Assistant
3232
3233 LOREM
3234
3235 ## User (checkpoint)
3236
3237 ipsum
3238
3239 ## Assistant
3240
3241 IPSUM
3242
3243 ## User
3244
3245 dolor
3246
3247 ## Assistant
3248
3249 DOLOR
3250
3251 "}
3252 );
3253 });
3254 assert_eq!(
3255 fs.files(),
3256 vec![
3257 Path::new(path!("/test/file-0")),
3258 Path::new(path!("/test/file-1"))
3259 ]
3260 );
3261
3262 // Rewinding the conversation truncates the history and restores the checkpoint.
3263 thread
3264 .update(cx, |thread, cx| {
3265 let AgentThreadEntry::UserMessage(message) = &thread.entries[2] else {
3266 panic!("unexpected entries {:?}", thread.entries)
3267 };
3268 thread.restore_checkpoint(message.id.clone().unwrap(), cx)
3269 })
3270 .await
3271 .unwrap();
3272 thread.read_with(cx, |thread, cx| {
3273 assert_eq!(
3274 thread.to_markdown(cx),
3275 indoc! {"
3276 ## User (checkpoint)
3277
3278 Lorem
3279
3280 ## Assistant
3281
3282 LOREM
3283
3284 "}
3285 );
3286 });
3287 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
3288 }
3289
3290 #[gpui::test]
3291 async fn test_tool_result_refusal(cx: &mut TestAppContext) {
3292 use std::sync::atomic::AtomicUsize;
3293 init_test(cx);
3294
3295 let fs = FakeFs::new(cx.executor());
3296 let project = Project::test(fs, None, cx).await;
3297
3298 // Create a connection that simulates refusal after tool result
3299 let prompt_count = Arc::new(AtomicUsize::new(0));
3300 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3301 let prompt_count = prompt_count.clone();
3302 move |_request, thread, mut cx| {
3303 let count = prompt_count.fetch_add(1, SeqCst);
3304 async move {
3305 if count == 0 {
3306 // First prompt: Generate a tool call with result
3307 thread.update(&mut cx, |thread, cx| {
3308 thread
3309 .handle_session_update(
3310 acp::SessionUpdate::ToolCall(acp::ToolCall {
3311 id: acp::ToolCallId("tool1".into()),
3312 title: "Test Tool".into(),
3313 kind: acp::ToolKind::Fetch,
3314 status: acp::ToolCallStatus::Completed,
3315 content: vec![],
3316 locations: vec![],
3317 raw_input: Some(serde_json::json!({"query": "test"})),
3318 raw_output: Some(
3319 serde_json::json!({"result": "inappropriate content"}),
3320 ),
3321 meta: None,
3322 }),
3323 cx,
3324 )
3325 .unwrap();
3326 })?;
3327
3328 // Now return refusal because of the tool result
3329 Ok(acp::PromptResponse {
3330 stop_reason: acp::StopReason::Refusal,
3331 meta: None,
3332 })
3333 } else {
3334 Ok(acp::PromptResponse {
3335 stop_reason: acp::StopReason::EndTurn,
3336 meta: None,
3337 })
3338 }
3339 }
3340 .boxed_local()
3341 }
3342 }));
3343
3344 let thread = cx
3345 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3346 .await
3347 .unwrap();
3348
3349 // Track if we see a Refusal event
3350 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
3351 let saw_refusal_event_captured = saw_refusal_event.clone();
3352 thread.update(cx, |_thread, cx| {
3353 cx.subscribe(
3354 &thread,
3355 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
3356 if matches!(event, AcpThreadEvent::Refusal) {
3357 *saw_refusal_event_captured.lock().unwrap() = true;
3358 }
3359 },
3360 )
3361 .detach();
3362 });
3363
3364 // Send a user message - this will trigger tool call and then refusal
3365 let send_task = thread.update(cx, |thread, cx| {
3366 thread.send(
3367 vec![acp::ContentBlock::Text(acp::TextContent {
3368 text: "Hello".into(),
3369 annotations: None,
3370 meta: None,
3371 })],
3372 cx,
3373 )
3374 });
3375 cx.background_executor.spawn(send_task).detach();
3376 cx.run_until_parked();
3377
3378 // Verify that:
3379 // 1. A Refusal event WAS emitted (because it's a tool result refusal, not user prompt)
3380 // 2. The user message was NOT truncated
3381 assert!(
3382 *saw_refusal_event.lock().unwrap(),
3383 "Refusal event should be emitted for tool result refusals"
3384 );
3385
3386 thread.read_with(cx, |thread, _| {
3387 let entries = thread.entries();
3388 assert!(entries.len() >= 2, "Should have user message and tool call");
3389
3390 // Verify user message is still there
3391 assert!(
3392 matches!(entries[0], AgentThreadEntry::UserMessage(_)),
3393 "User message should not be truncated"
3394 );
3395
3396 // Verify tool call is there with result
3397 if let AgentThreadEntry::ToolCall(tool_call) = &entries[1] {
3398 assert!(
3399 tool_call.raw_output.is_some(),
3400 "Tool call should have output"
3401 );
3402 } else {
3403 panic!("Expected tool call at index 1");
3404 }
3405 });
3406 }
3407
3408 #[gpui::test]
3409 async fn test_user_prompt_refusal_emits_event(cx: &mut TestAppContext) {
3410 init_test(cx);
3411
3412 let fs = FakeFs::new(cx.executor());
3413 let project = Project::test(fs, None, cx).await;
3414
3415 let refuse_next = Arc::new(AtomicBool::new(false));
3416 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3417 let refuse_next = refuse_next.clone();
3418 move |_request, _thread, _cx| {
3419 if refuse_next.load(SeqCst) {
3420 async move {
3421 Ok(acp::PromptResponse {
3422 stop_reason: acp::StopReason::Refusal,
3423 meta: None,
3424 })
3425 }
3426 .boxed_local()
3427 } else {
3428 async move {
3429 Ok(acp::PromptResponse {
3430 stop_reason: acp::StopReason::EndTurn,
3431 meta: None,
3432 })
3433 }
3434 .boxed_local()
3435 }
3436 }
3437 }));
3438
3439 let thread = cx
3440 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3441 .await
3442 .unwrap();
3443
3444 // Track if we see a Refusal event
3445 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
3446 let saw_refusal_event_captured = saw_refusal_event.clone();
3447 thread.update(cx, |_thread, cx| {
3448 cx.subscribe(
3449 &thread,
3450 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
3451 if matches!(event, AcpThreadEvent::Refusal) {
3452 *saw_refusal_event_captured.lock().unwrap() = true;
3453 }
3454 },
3455 )
3456 .detach();
3457 });
3458
3459 // Send a message that will be refused
3460 refuse_next.store(true, SeqCst);
3461 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
3462 .await
3463 .unwrap();
3464
3465 // Verify that a Refusal event WAS emitted for user prompt refusal
3466 assert!(
3467 *saw_refusal_event.lock().unwrap(),
3468 "Refusal event should be emitted for user prompt refusals"
3469 );
3470
3471 // Verify the message was truncated (user prompt refusal)
3472 thread.read_with(cx, |thread, cx| {
3473 assert_eq!(thread.to_markdown(cx), "");
3474 });
3475 }
3476
3477 #[gpui::test]
3478 async fn test_refusal(cx: &mut TestAppContext) {
3479 init_test(cx);
3480 let fs = FakeFs::new(cx.background_executor.clone());
3481 fs.insert_tree(path!("/"), json!({})).await;
3482 let project = Project::test(fs.clone(), [path!("/").as_ref()], cx).await;
3483
3484 let refuse_next = Arc::new(AtomicBool::new(false));
3485 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
3486 let refuse_next = refuse_next.clone();
3487 move |request, thread, mut cx| {
3488 let refuse_next = refuse_next.clone();
3489 async move {
3490 if refuse_next.load(SeqCst) {
3491 return Ok(acp::PromptResponse {
3492 stop_reason: acp::StopReason::Refusal,
3493 meta: None,
3494 });
3495 }
3496
3497 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
3498 panic!("expected text content block");
3499 };
3500 thread.update(&mut cx, |thread, cx| {
3501 thread
3502 .handle_session_update(
3503 acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
3504 content: content.text.to_uppercase().into(),
3505 meta: None,
3506 }),
3507 cx,
3508 )
3509 .unwrap();
3510 })?;
3511 Ok(acp::PromptResponse {
3512 stop_reason: acp::StopReason::EndTurn,
3513 meta: None,
3514 })
3515 }
3516 .boxed_local()
3517 }
3518 }));
3519 let thread = cx
3520 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3521 .await
3522 .unwrap();
3523
3524 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
3525 .await
3526 .unwrap();
3527 thread.read_with(cx, |thread, cx| {
3528 assert_eq!(
3529 thread.to_markdown(cx),
3530 indoc! {"
3531 ## User
3532
3533 hello
3534
3535 ## Assistant
3536
3537 HELLO
3538
3539 "}
3540 );
3541 });
3542
3543 // Simulate refusing the second message. The message should be truncated
3544 // when a user prompt is refused.
3545 refuse_next.store(true, SeqCst);
3546 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["world".into()], cx)))
3547 .await
3548 .unwrap();
3549 thread.read_with(cx, |thread, cx| {
3550 assert_eq!(
3551 thread.to_markdown(cx),
3552 indoc! {"
3553 ## User
3554
3555 hello
3556
3557 ## Assistant
3558
3559 HELLO
3560
3561 "}
3562 );
3563 });
3564 }
3565
3566 async fn run_until_first_tool_call(
3567 thread: &Entity<AcpThread>,
3568 cx: &mut TestAppContext,
3569 ) -> usize {
3570 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
3571
3572 let subscription = cx.update(|cx| {
3573 cx.subscribe(thread, move |thread, _, cx| {
3574 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
3575 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
3576 return tx.try_send(ix).unwrap();
3577 }
3578 }
3579 })
3580 });
3581
3582 select! {
3583 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
3584 panic!("Timeout waiting for tool call")
3585 }
3586 ix = rx.next().fuse() => {
3587 drop(subscription);
3588 ix.unwrap()
3589 }
3590 }
3591 }
3592
3593 #[derive(Clone, Default)]
3594 struct FakeAgentConnection {
3595 auth_methods: Vec<acp::AuthMethod>,
3596 sessions: Arc<parking_lot::Mutex<HashMap<acp::SessionId, WeakEntity<AcpThread>>>>,
3597 on_user_message: Option<
3598 Rc<
3599 dyn Fn(
3600 acp::PromptRequest,
3601 WeakEntity<AcpThread>,
3602 AsyncApp,
3603 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3604 + 'static,
3605 >,
3606 >,
3607 }
3608
3609 impl FakeAgentConnection {
3610 fn new() -> Self {
3611 Self {
3612 auth_methods: Vec::new(),
3613 on_user_message: None,
3614 sessions: Arc::default(),
3615 }
3616 }
3617
3618 #[expect(unused)]
3619 fn with_auth_methods(mut self, auth_methods: Vec<acp::AuthMethod>) -> Self {
3620 self.auth_methods = auth_methods;
3621 self
3622 }
3623
3624 fn on_user_message(
3625 mut self,
3626 handler: impl Fn(
3627 acp::PromptRequest,
3628 WeakEntity<AcpThread>,
3629 AsyncApp,
3630 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3631 + 'static,
3632 ) -> Self {
3633 self.on_user_message.replace(Rc::new(handler));
3634 self
3635 }
3636 }
3637
3638 impl AgentConnection for FakeAgentConnection {
3639 fn telemetry_id(&self) -> &'static str {
3640 "fake"
3641 }
3642
3643 fn auth_methods(&self) -> &[acp::AuthMethod] {
3644 &self.auth_methods
3645 }
3646
3647 fn new_thread(
3648 self: Rc<Self>,
3649 project: Entity<Project>,
3650 _cwd: &Path,
3651 cx: &mut App,
3652 ) -> Task<gpui::Result<Entity<AcpThread>>> {
3653 let session_id = acp::SessionId(
3654 rand::rng()
3655 .sample_iter(&distr::Alphanumeric)
3656 .take(7)
3657 .map(char::from)
3658 .collect::<String>()
3659 .into(),
3660 );
3661 let action_log = cx.new(|_| ActionLog::new(project.clone()));
3662 let thread = cx.new(|cx| {
3663 AcpThread::new(
3664 "Test",
3665 self.clone(),
3666 project,
3667 action_log,
3668 session_id.clone(),
3669 watch::Receiver::constant(acp::PromptCapabilities {
3670 image: true,
3671 audio: true,
3672 embedded_context: true,
3673 meta: None,
3674 }),
3675 cx,
3676 )
3677 });
3678 self.sessions.lock().insert(session_id, thread.downgrade());
3679 Task::ready(Ok(thread))
3680 }
3681
3682 fn authenticate(&self, method: acp::AuthMethodId, _cx: &mut App) -> Task<gpui::Result<()>> {
3683 if self.auth_methods().iter().any(|m| m.id == method) {
3684 Task::ready(Ok(()))
3685 } else {
3686 Task::ready(Err(anyhow!("Invalid Auth Method")))
3687 }
3688 }
3689
3690 fn prompt(
3691 &self,
3692 _id: Option<UserMessageId>,
3693 params: acp::PromptRequest,
3694 cx: &mut App,
3695 ) -> Task<gpui::Result<acp::PromptResponse>> {
3696 let sessions = self.sessions.lock();
3697 let thread = sessions.get(¶ms.session_id).unwrap();
3698 if let Some(handler) = &self.on_user_message {
3699 let handler = handler.clone();
3700 let thread = thread.clone();
3701 cx.spawn(async move |cx| handler(params, thread, cx.clone()).await)
3702 } else {
3703 Task::ready(Ok(acp::PromptResponse {
3704 stop_reason: acp::StopReason::EndTurn,
3705 meta: None,
3706 }))
3707 }
3708 }
3709
3710 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
3711 let sessions = self.sessions.lock();
3712 let thread = sessions.get(session_id).unwrap().clone();
3713
3714 cx.spawn(async move |cx| {
3715 thread
3716 .update(cx, |thread, cx| thread.cancel(cx))
3717 .unwrap()
3718 .await
3719 })
3720 .detach();
3721 }
3722
3723 fn truncate(
3724 &self,
3725 session_id: &acp::SessionId,
3726 _cx: &App,
3727 ) -> Option<Rc<dyn AgentSessionTruncate>> {
3728 Some(Rc::new(FakeAgentSessionEditor {
3729 _session_id: session_id.clone(),
3730 }))
3731 }
3732
3733 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3734 self
3735 }
3736 }
3737
3738 struct FakeAgentSessionEditor {
3739 _session_id: acp::SessionId,
3740 }
3741
3742 impl AgentSessionTruncate for FakeAgentSessionEditor {
3743 fn run(&self, _message_id: UserMessageId, _cx: &mut App) -> Task<Result<()>> {
3744 Task::ready(Ok(()))
3745 }
3746 }
3747
3748 #[gpui::test]
3749 async fn test_tool_call_not_found_creates_failed_entry(cx: &mut TestAppContext) {
3750 init_test(cx);
3751
3752 let fs = FakeFs::new(cx.executor());
3753 let project = Project::test(fs, [], cx).await;
3754 let connection = Rc::new(FakeAgentConnection::new());
3755 let thread = cx
3756 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
3757 .await
3758 .unwrap();
3759
3760 // Try to update a tool call that doesn't exist
3761 let nonexistent_id = acp::ToolCallId("nonexistent-tool-call".into());
3762 thread.update(cx, |thread, cx| {
3763 let result = thread.handle_session_update(
3764 acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
3765 id: nonexistent_id.clone(),
3766 fields: acp::ToolCallUpdateFields {
3767 status: Some(acp::ToolCallStatus::Completed),
3768 ..Default::default()
3769 },
3770 meta: None,
3771 }),
3772 cx,
3773 );
3774
3775 // The update should succeed (not return an error)
3776 assert!(result.is_ok());
3777
3778 // There should now be exactly one entry in the thread
3779 assert_eq!(thread.entries.len(), 1);
3780
3781 // The entry should be a failed tool call
3782 if let AgentThreadEntry::ToolCall(tool_call) = &thread.entries[0] {
3783 assert_eq!(tool_call.id, nonexistent_id);
3784 assert!(matches!(tool_call.status, ToolCallStatus::Failed));
3785 assert_eq!(tool_call.kind, acp::ToolKind::Fetch);
3786
3787 // Check that the content contains the error message
3788 assert_eq!(tool_call.content.len(), 1);
3789 if let ToolCallContent::ContentBlock(content_block) = &tool_call.content[0] {
3790 match content_block {
3791 ContentBlock::Markdown { markdown } => {
3792 let markdown_text = markdown.read(cx).source();
3793 assert!(markdown_text.contains("Tool call not found"));
3794 }
3795 ContentBlock::Empty => panic!("Expected markdown content, got empty"),
3796 ContentBlock::ResourceLink { .. } => {
3797 panic!("Expected markdown content, got resource link")
3798 }
3799 }
3800 } else {
3801 panic!("Expected ContentBlock, got: {:?}", tool_call.content[0]);
3802 }
3803 } else {
3804 panic!("Expected ToolCall entry, got: {:?}", thread.entries[0]);
3805 }
3806 });
3807 }
3808}