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