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 /// Rewinds this thread to before the entry at `index`, removing it and all
1644 /// subsequent entries while reverting any changes made from that point.
1645 pub fn rewind(&mut self, id: UserMessageId, cx: &mut Context<Self>) -> Task<Result<()>> {
1646 let Some(truncate) = self.connection.truncate(&self.session_id, cx) else {
1647 return Task::ready(Err(anyhow!("not supported")));
1648 };
1649 let Some(message) = self.user_message(&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
1658 let git_store = self.project.read(cx).git_store().clone();
1659 cx.spawn(async move |this, cx| {
1660 if let Some(checkpoint) = checkpoint {
1661 git_store
1662 .update(cx, |git, cx| git.restore_checkpoint(checkpoint, cx))?
1663 .await?;
1664 }
1665
1666 cx.update(|cx| truncate.run(id.clone(), cx))?.await?;
1667 this.update(cx, |this, cx| {
1668 if let Some((ix, _)) = this.user_message_mut(&id) {
1669 let range = ix..this.entries.len();
1670 this.entries.truncate(ix);
1671 cx.emit(AcpThreadEvent::EntriesRemoved(range));
1672 }
1673 })
1674 })
1675 }
1676
1677 fn update_last_checkpoint(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
1678 let git_store = self.project.read(cx).git_store().clone();
1679
1680 let old_checkpoint = if let Some((_, message)) = self.last_user_message() {
1681 if let Some(checkpoint) = message.checkpoint.as_ref() {
1682 checkpoint.git_checkpoint.clone()
1683 } else {
1684 return Task::ready(Ok(()));
1685 }
1686 } else {
1687 return Task::ready(Ok(()));
1688 };
1689
1690 let new_checkpoint = git_store.update(cx, |git, cx| git.checkpoint(cx));
1691 cx.spawn(async move |this, cx| {
1692 let new_checkpoint = new_checkpoint
1693 .await
1694 .context("failed to get new checkpoint")
1695 .log_err();
1696 if let Some(new_checkpoint) = new_checkpoint {
1697 let equal = git_store
1698 .update(cx, |git, cx| {
1699 git.compare_checkpoints(old_checkpoint.clone(), new_checkpoint, cx)
1700 })?
1701 .await
1702 .unwrap_or(true);
1703 this.update(cx, |this, cx| {
1704 let (ix, message) = this.last_user_message().context("no user message")?;
1705 let checkpoint = message.checkpoint.as_mut().context("no checkpoint")?;
1706 checkpoint.show = !equal;
1707 cx.emit(AcpThreadEvent::EntryUpdated(ix));
1708 anyhow::Ok(())
1709 })??;
1710 }
1711
1712 Ok(())
1713 })
1714 }
1715
1716 fn last_user_message(&mut self) -> Option<(usize, &mut UserMessage)> {
1717 self.entries
1718 .iter_mut()
1719 .enumerate()
1720 .rev()
1721 .find_map(|(ix, entry)| {
1722 if let AgentThreadEntry::UserMessage(message) = entry {
1723 Some((ix, message))
1724 } else {
1725 None
1726 }
1727 })
1728 }
1729
1730 fn user_message(&self, id: &UserMessageId) -> Option<&UserMessage> {
1731 self.entries.iter().find_map(|entry| {
1732 if let AgentThreadEntry::UserMessage(message) = entry {
1733 if message.id.as_ref() == Some(id) {
1734 Some(message)
1735 } else {
1736 None
1737 }
1738 } else {
1739 None
1740 }
1741 })
1742 }
1743
1744 fn user_message_mut(&mut self, id: &UserMessageId) -> Option<(usize, &mut UserMessage)> {
1745 self.entries.iter_mut().enumerate().find_map(|(ix, entry)| {
1746 if let AgentThreadEntry::UserMessage(message) = entry {
1747 if message.id.as_ref() == Some(id) {
1748 Some((ix, message))
1749 } else {
1750 None
1751 }
1752 } else {
1753 None
1754 }
1755 })
1756 }
1757
1758 pub fn read_text_file(
1759 &self,
1760 path: PathBuf,
1761 line: Option<u32>,
1762 limit: Option<u32>,
1763 reuse_shared_snapshot: bool,
1764 cx: &mut Context<Self>,
1765 ) -> Task<Result<String>> {
1766 let project = self.project.clone();
1767 let action_log = self.action_log.clone();
1768 cx.spawn(async move |this, cx| {
1769 let load = project.update(cx, |project, cx| {
1770 let path = project
1771 .project_path_for_absolute_path(&path, cx)
1772 .context("invalid path")?;
1773 anyhow::Ok(project.open_buffer(path, cx))
1774 });
1775 let buffer = load??.await?;
1776
1777 let snapshot = if reuse_shared_snapshot {
1778 this.read_with(cx, |this, _| {
1779 this.shared_buffers.get(&buffer.clone()).cloned()
1780 })
1781 .log_err()
1782 .flatten()
1783 } else {
1784 None
1785 };
1786
1787 let snapshot = if let Some(snapshot) = snapshot {
1788 snapshot
1789 } else {
1790 action_log.update(cx, |action_log, cx| {
1791 action_log.buffer_read(buffer.clone(), cx);
1792 })?;
1793 project.update(cx, |project, cx| {
1794 let position = buffer
1795 .read(cx)
1796 .snapshot()
1797 .anchor_before(Point::new(line.unwrap_or_default(), 0));
1798 project.set_agent_location(
1799 Some(AgentLocation {
1800 buffer: buffer.downgrade(),
1801 position,
1802 }),
1803 cx,
1804 );
1805 })?;
1806
1807 buffer.update(cx, |buffer, _| buffer.snapshot())?
1808 };
1809
1810 this.update(cx, |this, _| {
1811 let text = snapshot.text();
1812 this.shared_buffers.insert(buffer.clone(), snapshot);
1813 if line.is_none() && limit.is_none() {
1814 return Ok(text);
1815 }
1816 let limit = limit.unwrap_or(u32::MAX) as usize;
1817 let Some(line) = line else {
1818 return Ok(text.lines().take(limit).collect::<String>());
1819 };
1820
1821 let count = text.lines().count();
1822 if count < line as usize {
1823 anyhow::bail!("There are only {} lines", count);
1824 }
1825 Ok(text
1826 .lines()
1827 .skip(line as usize + 1)
1828 .take(limit)
1829 .collect::<String>())
1830 })?
1831 })
1832 }
1833
1834 pub fn write_text_file(
1835 &self,
1836 path: PathBuf,
1837 content: String,
1838 cx: &mut Context<Self>,
1839 ) -> Task<Result<()>> {
1840 let project = self.project.clone();
1841 let action_log = self.action_log.clone();
1842 cx.spawn(async move |this, cx| {
1843 let load = project.update(cx, |project, cx| {
1844 let path = project
1845 .project_path_for_absolute_path(&path, cx)
1846 .context("invalid path")?;
1847 anyhow::Ok(project.open_buffer(path, cx))
1848 });
1849 let buffer = load??.await?;
1850 let snapshot = this.update(cx, |this, cx| {
1851 this.shared_buffers
1852 .get(&buffer)
1853 .cloned()
1854 .unwrap_or_else(|| buffer.read(cx).snapshot())
1855 })?;
1856 let edits = cx
1857 .background_executor()
1858 .spawn(async move {
1859 let old_text = snapshot.text();
1860 text_diff(old_text.as_str(), &content)
1861 .into_iter()
1862 .map(|(range, replacement)| {
1863 (
1864 snapshot.anchor_after(range.start)
1865 ..snapshot.anchor_before(range.end),
1866 replacement,
1867 )
1868 })
1869 .collect::<Vec<_>>()
1870 })
1871 .await;
1872
1873 project.update(cx, |project, cx| {
1874 project.set_agent_location(
1875 Some(AgentLocation {
1876 buffer: buffer.downgrade(),
1877 position: edits
1878 .last()
1879 .map(|(range, _)| range.end)
1880 .unwrap_or(Anchor::MIN),
1881 }),
1882 cx,
1883 );
1884 })?;
1885
1886 let format_on_save = cx.update(|cx| {
1887 action_log.update(cx, |action_log, cx| {
1888 action_log.buffer_read(buffer.clone(), cx);
1889 });
1890
1891 let format_on_save = buffer.update(cx, |buffer, cx| {
1892 buffer.edit(edits, None, cx);
1893
1894 let settings = language::language_settings::language_settings(
1895 buffer.language().map(|l| l.name()),
1896 buffer.file(),
1897 cx,
1898 );
1899
1900 settings.format_on_save != FormatOnSave::Off
1901 });
1902 action_log.update(cx, |action_log, cx| {
1903 action_log.buffer_edited(buffer.clone(), cx);
1904 });
1905 format_on_save
1906 })?;
1907
1908 if format_on_save {
1909 let format_task = project.update(cx, |project, cx| {
1910 project.format(
1911 HashSet::from_iter([buffer.clone()]),
1912 LspFormatTarget::Buffers,
1913 false,
1914 FormatTrigger::Save,
1915 cx,
1916 )
1917 })?;
1918 format_task.await.log_err();
1919
1920 action_log.update(cx, |action_log, cx| {
1921 action_log.buffer_edited(buffer.clone(), cx);
1922 })?;
1923 }
1924
1925 project
1926 .update(cx, |project, cx| project.save_buffer(buffer, cx))?
1927 .await
1928 })
1929 }
1930
1931 pub fn create_terminal(
1932 &self,
1933 mut command: String,
1934 args: Vec<String>,
1935 extra_env: Vec<acp::EnvVariable>,
1936 cwd: Option<PathBuf>,
1937 output_byte_limit: Option<u64>,
1938 cx: &mut Context<Self>,
1939 ) -> Task<Result<Entity<Terminal>>> {
1940 for arg in args {
1941 command.push(' ');
1942 command.push_str(&arg);
1943 }
1944
1945 let shell_command = if cfg!(windows) {
1946 format!("$null | & {{{}}}", command.replace("\"", "'"))
1947 } else if let Some(cwd) = cwd.as_ref().and_then(|cwd| cwd.as_os_str().to_str()) {
1948 // Make sure once we're *inside* the shell, we cd into `cwd`
1949 format!("(cd {cwd}; {}) </dev/null", command)
1950 } else {
1951 format!("({}) </dev/null", command)
1952 };
1953 let args = vec!["-c".into(), shell_command];
1954
1955 let env = match &cwd {
1956 Some(dir) => self.project.update(cx, |project, cx| {
1957 project.directory_environment(dir.as_path().into(), cx)
1958 }),
1959 None => Task::ready(None).shared(),
1960 };
1961
1962 let env = cx.spawn(async move |_, _| {
1963 let mut env = env.await.unwrap_or_default();
1964 if cfg!(unix) {
1965 env.insert("PAGER".into(), "cat".into());
1966 }
1967 for var in extra_env {
1968 env.insert(var.name, var.value);
1969 }
1970 env
1971 });
1972
1973 let project = self.project.clone();
1974 let language_registry = project.read(cx).languages().clone();
1975 let determine_shell = self.determine_shell.clone();
1976
1977 let terminal_id = acp::TerminalId(Uuid::new_v4().to_string().into());
1978 let terminal_task = cx.spawn({
1979 let terminal_id = terminal_id.clone();
1980 async move |_this, cx| {
1981 let program = determine_shell.await;
1982 let env = env.await;
1983 let terminal = project
1984 .update(cx, |project, cx| {
1985 project.create_terminal_task(
1986 task::SpawnInTerminal {
1987 command: Some(program),
1988 args,
1989 cwd: cwd.clone(),
1990 env,
1991 ..Default::default()
1992 },
1993 cx,
1994 )
1995 })?
1996 .await?;
1997
1998 cx.new(|cx| {
1999 Terminal::new(
2000 terminal_id,
2001 command,
2002 cwd,
2003 output_byte_limit.map(|l| l as usize),
2004 terminal,
2005 language_registry,
2006 cx,
2007 )
2008 })
2009 }
2010 });
2011
2012 cx.spawn(async move |this, cx| {
2013 let terminal = terminal_task.await?;
2014 this.update(cx, |this, _cx| {
2015 this.terminals.insert(terminal_id, terminal.clone());
2016 terminal
2017 })
2018 })
2019 }
2020
2021 pub fn kill_terminal(
2022 &mut self,
2023 terminal_id: acp::TerminalId,
2024 cx: &mut Context<Self>,
2025 ) -> Result<()> {
2026 self.terminals
2027 .get(&terminal_id)
2028 .context("Terminal not found")?
2029 .update(cx, |terminal, cx| {
2030 terminal.kill(cx);
2031 });
2032
2033 Ok(())
2034 }
2035
2036 pub fn release_terminal(
2037 &mut self,
2038 terminal_id: acp::TerminalId,
2039 cx: &mut Context<Self>,
2040 ) -> Result<()> {
2041 self.terminals
2042 .remove(&terminal_id)
2043 .context("Terminal not found")?
2044 .update(cx, |terminal, cx| {
2045 terminal.kill(cx);
2046 });
2047
2048 Ok(())
2049 }
2050
2051 pub fn terminal(&self, terminal_id: acp::TerminalId) -> Result<Entity<Terminal>> {
2052 self.terminals
2053 .get(&terminal_id)
2054 .context("Terminal not found")
2055 .cloned()
2056 }
2057
2058 pub fn to_markdown(&self, cx: &App) -> String {
2059 self.entries.iter().map(|e| e.to_markdown(cx)).collect()
2060 }
2061
2062 pub fn emit_load_error(&mut self, error: LoadError, cx: &mut Context<Self>) {
2063 cx.emit(AcpThreadEvent::LoadError(error));
2064 }
2065}
2066
2067fn markdown_for_raw_output(
2068 raw_output: &serde_json::Value,
2069 language_registry: &Arc<LanguageRegistry>,
2070 cx: &mut App,
2071) -> Option<Entity<Markdown>> {
2072 match raw_output {
2073 serde_json::Value::Null => None,
2074 serde_json::Value::Bool(value) => Some(cx.new(|cx| {
2075 Markdown::new(
2076 value.to_string().into(),
2077 Some(language_registry.clone()),
2078 None,
2079 cx,
2080 )
2081 })),
2082 serde_json::Value::Number(value) => Some(cx.new(|cx| {
2083 Markdown::new(
2084 value.to_string().into(),
2085 Some(language_registry.clone()),
2086 None,
2087 cx,
2088 )
2089 })),
2090 serde_json::Value::String(value) => Some(cx.new(|cx| {
2091 Markdown::new(
2092 value.clone().into(),
2093 Some(language_registry.clone()),
2094 None,
2095 cx,
2096 )
2097 })),
2098 value => Some(cx.new(|cx| {
2099 Markdown::new(
2100 format!("```json\n{}\n```", value).into(),
2101 Some(language_registry.clone()),
2102 None,
2103 cx,
2104 )
2105 })),
2106 }
2107}
2108
2109#[cfg(test)]
2110mod tests {
2111 use super::*;
2112 use anyhow::anyhow;
2113 use futures::{channel::mpsc, future::LocalBoxFuture, select};
2114 use gpui::{App, AsyncApp, TestAppContext, WeakEntity};
2115 use indoc::indoc;
2116 use project::{FakeFs, Fs};
2117 use rand::{distr, prelude::*};
2118 use serde_json::json;
2119 use settings::SettingsStore;
2120 use smol::stream::StreamExt as _;
2121 use std::{
2122 any::Any,
2123 cell::RefCell,
2124 path::Path,
2125 rc::Rc,
2126 sync::atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
2127 time::Duration,
2128 };
2129 use util::path;
2130
2131 fn init_test(cx: &mut TestAppContext) {
2132 env_logger::try_init().ok();
2133 cx.update(|cx| {
2134 let settings_store = SettingsStore::test(cx);
2135 cx.set_global(settings_store);
2136 Project::init_settings(cx);
2137 language::init(cx);
2138 });
2139 }
2140
2141 #[gpui::test]
2142 async fn test_push_user_content_block(cx: &mut gpui::TestAppContext) {
2143 init_test(cx);
2144
2145 let fs = FakeFs::new(cx.executor());
2146 let project = Project::test(fs, [], cx).await;
2147 let connection = Rc::new(FakeAgentConnection::new());
2148 let thread = cx
2149 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2150 .await
2151 .unwrap();
2152
2153 // Test creating a new user message
2154 thread.update(cx, |thread, cx| {
2155 thread.push_user_content_block(
2156 None,
2157 acp::ContentBlock::Text(acp::TextContent {
2158 annotations: None,
2159 text: "Hello, ".to_string(),
2160 }),
2161 cx,
2162 );
2163 });
2164
2165 thread.update(cx, |thread, cx| {
2166 assert_eq!(thread.entries.len(), 1);
2167 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2168 assert_eq!(user_msg.id, None);
2169 assert_eq!(user_msg.content.to_markdown(cx), "Hello, ");
2170 } else {
2171 panic!("Expected UserMessage");
2172 }
2173 });
2174
2175 // Test appending to existing user message
2176 let message_1_id = UserMessageId::new();
2177 thread.update(cx, |thread, cx| {
2178 thread.push_user_content_block(
2179 Some(message_1_id.clone()),
2180 acp::ContentBlock::Text(acp::TextContent {
2181 annotations: None,
2182 text: "world!".to_string(),
2183 }),
2184 cx,
2185 );
2186 });
2187
2188 thread.update(cx, |thread, cx| {
2189 assert_eq!(thread.entries.len(), 1);
2190 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[0] {
2191 assert_eq!(user_msg.id, Some(message_1_id));
2192 assert_eq!(user_msg.content.to_markdown(cx), "Hello, world!");
2193 } else {
2194 panic!("Expected UserMessage");
2195 }
2196 });
2197
2198 // Test creating new user message after assistant message
2199 thread.update(cx, |thread, cx| {
2200 thread.push_assistant_content_block(
2201 acp::ContentBlock::Text(acp::TextContent {
2202 annotations: None,
2203 text: "Assistant response".to_string(),
2204 }),
2205 false,
2206 cx,
2207 );
2208 });
2209
2210 let message_2_id = UserMessageId::new();
2211 thread.update(cx, |thread, cx| {
2212 thread.push_user_content_block(
2213 Some(message_2_id.clone()),
2214 acp::ContentBlock::Text(acp::TextContent {
2215 annotations: None,
2216 text: "New user message".to_string(),
2217 }),
2218 cx,
2219 );
2220 });
2221
2222 thread.update(cx, |thread, cx| {
2223 assert_eq!(thread.entries.len(), 3);
2224 if let AgentThreadEntry::UserMessage(user_msg) = &thread.entries[2] {
2225 assert_eq!(user_msg.id, Some(message_2_id));
2226 assert_eq!(user_msg.content.to_markdown(cx), "New user message");
2227 } else {
2228 panic!("Expected UserMessage at index 2");
2229 }
2230 });
2231 }
2232
2233 #[gpui::test]
2234 async fn test_thinking_concatenation(cx: &mut gpui::TestAppContext) {
2235 init_test(cx);
2236
2237 let fs = FakeFs::new(cx.executor());
2238 let project = Project::test(fs, [], cx).await;
2239 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2240 |_, thread, mut cx| {
2241 async move {
2242 thread.update(&mut cx, |thread, cx| {
2243 thread
2244 .handle_session_update(
2245 acp::SessionUpdate::AgentThoughtChunk {
2246 content: "Thinking ".into(),
2247 },
2248 cx,
2249 )
2250 .unwrap();
2251 thread
2252 .handle_session_update(
2253 acp::SessionUpdate::AgentThoughtChunk {
2254 content: "hard!".into(),
2255 },
2256 cx,
2257 )
2258 .unwrap();
2259 })?;
2260 Ok(acp::PromptResponse {
2261 stop_reason: acp::StopReason::EndTurn,
2262 })
2263 }
2264 .boxed_local()
2265 },
2266 ));
2267
2268 let thread = cx
2269 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2270 .await
2271 .unwrap();
2272
2273 thread
2274 .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
2275 .await
2276 .unwrap();
2277
2278 let output = thread.read_with(cx, |thread, cx| thread.to_markdown(cx));
2279 assert_eq!(
2280 output,
2281 indoc! {r#"
2282 ## User
2283
2284 Hello from Zed!
2285
2286 ## Assistant
2287
2288 <thinking>
2289 Thinking hard!
2290 </thinking>
2291
2292 "#}
2293 );
2294 }
2295
2296 #[gpui::test]
2297 async fn test_edits_concurrently_to_user(cx: &mut TestAppContext) {
2298 init_test(cx);
2299
2300 let fs = FakeFs::new(cx.executor());
2301 fs.insert_tree(path!("/tmp"), json!({"foo": "one\ntwo\nthree\n"}))
2302 .await;
2303 let project = Project::test(fs.clone(), [], cx).await;
2304 let (read_file_tx, read_file_rx) = oneshot::channel::<()>();
2305 let read_file_tx = Rc::new(RefCell::new(Some(read_file_tx)));
2306 let connection = Rc::new(FakeAgentConnection::new().on_user_message(
2307 move |_, thread, mut cx| {
2308 let read_file_tx = read_file_tx.clone();
2309 async move {
2310 let content = thread
2311 .update(&mut cx, |thread, cx| {
2312 thread.read_text_file(path!("/tmp/foo").into(), None, None, false, cx)
2313 })
2314 .unwrap()
2315 .await
2316 .unwrap();
2317 assert_eq!(content, "one\ntwo\nthree\n");
2318 read_file_tx.take().unwrap().send(()).unwrap();
2319 thread
2320 .update(&mut cx, |thread, cx| {
2321 thread.write_text_file(
2322 path!("/tmp/foo").into(),
2323 "one\ntwo\nthree\nfour\nfive\n".to_string(),
2324 cx,
2325 )
2326 })
2327 .unwrap()
2328 .await
2329 .unwrap();
2330 Ok(acp::PromptResponse {
2331 stop_reason: acp::StopReason::EndTurn,
2332 })
2333 }
2334 .boxed_local()
2335 },
2336 ));
2337
2338 let (worktree, pathbuf) = project
2339 .update(cx, |project, cx| {
2340 project.find_or_create_worktree(path!("/tmp/foo"), true, cx)
2341 })
2342 .await
2343 .unwrap();
2344 let buffer = project
2345 .update(cx, |project, cx| {
2346 project.open_buffer((worktree.read(cx).id(), pathbuf), cx)
2347 })
2348 .await
2349 .unwrap();
2350
2351 let thread = cx
2352 .update(|cx| connection.new_thread(project, Path::new(path!("/tmp")), cx))
2353 .await
2354 .unwrap();
2355
2356 let request = thread.update(cx, |thread, cx| {
2357 thread.send_raw("Extend the count in /tmp/foo", cx)
2358 });
2359 read_file_rx.await.ok();
2360 buffer.update(cx, |buffer, cx| {
2361 buffer.edit([(0..0, "zero\n".to_string())], None, cx);
2362 });
2363 cx.run_until_parked();
2364 assert_eq!(
2365 buffer.read_with(cx, |buffer, _| buffer.text()),
2366 "zero\none\ntwo\nthree\nfour\nfive\n"
2367 );
2368 assert_eq!(
2369 String::from_utf8(fs.read_file_sync(path!("/tmp/foo")).unwrap()).unwrap(),
2370 "zero\none\ntwo\nthree\nfour\nfive\n"
2371 );
2372 request.await.unwrap();
2373 }
2374
2375 #[gpui::test]
2376 async fn test_succeeding_canceled_toolcall(cx: &mut TestAppContext) {
2377 init_test(cx);
2378
2379 let fs = FakeFs::new(cx.executor());
2380 let project = Project::test(fs, [], cx).await;
2381 let id = acp::ToolCallId("test".into());
2382
2383 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2384 let id = id.clone();
2385 move |_, thread, mut cx| {
2386 let id = id.clone();
2387 async move {
2388 thread
2389 .update(&mut cx, |thread, cx| {
2390 thread.handle_session_update(
2391 acp::SessionUpdate::ToolCall(acp::ToolCall {
2392 id: id.clone(),
2393 title: "Label".into(),
2394 kind: acp::ToolKind::Fetch,
2395 status: acp::ToolCallStatus::InProgress,
2396 content: vec![],
2397 locations: vec![],
2398 raw_input: None,
2399 raw_output: None,
2400 }),
2401 cx,
2402 )
2403 })
2404 .unwrap()
2405 .unwrap();
2406 Ok(acp::PromptResponse {
2407 stop_reason: acp::StopReason::EndTurn,
2408 })
2409 }
2410 .boxed_local()
2411 }
2412 }));
2413
2414 let thread = cx
2415 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2416 .await
2417 .unwrap();
2418
2419 let request = thread.update(cx, |thread, cx| {
2420 thread.send_raw("Fetch https://example.com", cx)
2421 });
2422
2423 run_until_first_tool_call(&thread, cx).await;
2424
2425 thread.read_with(cx, |thread, _| {
2426 assert!(matches!(
2427 thread.entries[1],
2428 AgentThreadEntry::ToolCall(ToolCall {
2429 status: ToolCallStatus::InProgress,
2430 ..
2431 })
2432 ));
2433 });
2434
2435 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
2436
2437 thread.read_with(cx, |thread, _| {
2438 assert!(matches!(
2439 &thread.entries[1],
2440 AgentThreadEntry::ToolCall(ToolCall {
2441 status: ToolCallStatus::Canceled,
2442 ..
2443 })
2444 ));
2445 });
2446
2447 thread
2448 .update(cx, |thread, cx| {
2449 thread.handle_session_update(
2450 acp::SessionUpdate::ToolCallUpdate(acp::ToolCallUpdate {
2451 id,
2452 fields: acp::ToolCallUpdateFields {
2453 status: Some(acp::ToolCallStatus::Completed),
2454 ..Default::default()
2455 },
2456 }),
2457 cx,
2458 )
2459 })
2460 .unwrap();
2461
2462 request.await.unwrap();
2463
2464 thread.read_with(cx, |thread, _| {
2465 assert!(matches!(
2466 thread.entries[1],
2467 AgentThreadEntry::ToolCall(ToolCall {
2468 status: ToolCallStatus::Completed,
2469 ..
2470 })
2471 ));
2472 });
2473 }
2474
2475 #[gpui::test]
2476 async fn test_no_pending_edits_if_tool_calls_are_completed(cx: &mut TestAppContext) {
2477 init_test(cx);
2478 let fs = FakeFs::new(cx.background_executor.clone());
2479 fs.insert_tree(path!("/test"), json!({})).await;
2480 let project = Project::test(fs, [path!("/test").as_ref()], cx).await;
2481
2482 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2483 move |_, thread, mut cx| {
2484 async move {
2485 thread
2486 .update(&mut cx, |thread, cx| {
2487 thread.handle_session_update(
2488 acp::SessionUpdate::ToolCall(acp::ToolCall {
2489 id: acp::ToolCallId("test".into()),
2490 title: "Label".into(),
2491 kind: acp::ToolKind::Edit,
2492 status: acp::ToolCallStatus::Completed,
2493 content: vec![acp::ToolCallContent::Diff {
2494 diff: acp::Diff {
2495 path: "/test/test.txt".into(),
2496 old_text: None,
2497 new_text: "foo".into(),
2498 },
2499 }],
2500 locations: vec![],
2501 raw_input: None,
2502 raw_output: None,
2503 }),
2504 cx,
2505 )
2506 })
2507 .unwrap()
2508 .unwrap();
2509 Ok(acp::PromptResponse {
2510 stop_reason: acp::StopReason::EndTurn,
2511 })
2512 }
2513 .boxed_local()
2514 }
2515 }));
2516
2517 let thread = cx
2518 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2519 .await
2520 .unwrap();
2521
2522 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Hi".into()], cx)))
2523 .await
2524 .unwrap();
2525
2526 assert!(cx.read(|cx| !thread.read(cx).has_pending_edit_tool_calls()));
2527 }
2528
2529 #[gpui::test(iterations = 10)]
2530 async fn test_checkpoints(cx: &mut TestAppContext) {
2531 init_test(cx);
2532 let fs = FakeFs::new(cx.background_executor.clone());
2533 fs.insert_tree(
2534 path!("/test"),
2535 json!({
2536 ".git": {}
2537 }),
2538 )
2539 .await;
2540 let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
2541
2542 let simulate_changes = Arc::new(AtomicBool::new(true));
2543 let next_filename = Arc::new(AtomicUsize::new(0));
2544 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2545 let simulate_changes = simulate_changes.clone();
2546 let next_filename = next_filename.clone();
2547 let fs = fs.clone();
2548 move |request, thread, mut cx| {
2549 let fs = fs.clone();
2550 let simulate_changes = simulate_changes.clone();
2551 let next_filename = next_filename.clone();
2552 async move {
2553 if simulate_changes.load(SeqCst) {
2554 let filename = format!("/test/file-{}", next_filename.fetch_add(1, SeqCst));
2555 fs.write(Path::new(&filename), b"").await?;
2556 }
2557
2558 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
2559 panic!("expected text content block");
2560 };
2561 thread.update(&mut cx, |thread, cx| {
2562 thread
2563 .handle_session_update(
2564 acp::SessionUpdate::AgentMessageChunk {
2565 content: content.text.to_uppercase().into(),
2566 },
2567 cx,
2568 )
2569 .unwrap();
2570 })?;
2571 Ok(acp::PromptResponse {
2572 stop_reason: acp::StopReason::EndTurn,
2573 })
2574 }
2575 .boxed_local()
2576 }
2577 }));
2578 let thread = cx
2579 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2580 .await
2581 .unwrap();
2582
2583 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["Lorem".into()], cx)))
2584 .await
2585 .unwrap();
2586 thread.read_with(cx, |thread, cx| {
2587 assert_eq!(
2588 thread.to_markdown(cx),
2589 indoc! {"
2590 ## User (checkpoint)
2591
2592 Lorem
2593
2594 ## Assistant
2595
2596 LOREM
2597
2598 "}
2599 );
2600 });
2601 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
2602
2603 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["ipsum".into()], cx)))
2604 .await
2605 .unwrap();
2606 thread.read_with(cx, |thread, cx| {
2607 assert_eq!(
2608 thread.to_markdown(cx),
2609 indoc! {"
2610 ## User (checkpoint)
2611
2612 Lorem
2613
2614 ## Assistant
2615
2616 LOREM
2617
2618 ## User (checkpoint)
2619
2620 ipsum
2621
2622 ## Assistant
2623
2624 IPSUM
2625
2626 "}
2627 );
2628 });
2629 assert_eq!(
2630 fs.files(),
2631 vec![
2632 Path::new(path!("/test/file-0")),
2633 Path::new(path!("/test/file-1"))
2634 ]
2635 );
2636
2637 // Checkpoint isn't stored when there are no changes.
2638 simulate_changes.store(false, SeqCst);
2639 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["dolor".into()], cx)))
2640 .await
2641 .unwrap();
2642 thread.read_with(cx, |thread, cx| {
2643 assert_eq!(
2644 thread.to_markdown(cx),
2645 indoc! {"
2646 ## User (checkpoint)
2647
2648 Lorem
2649
2650 ## Assistant
2651
2652 LOREM
2653
2654 ## User (checkpoint)
2655
2656 ipsum
2657
2658 ## Assistant
2659
2660 IPSUM
2661
2662 ## User
2663
2664 dolor
2665
2666 ## Assistant
2667
2668 DOLOR
2669
2670 "}
2671 );
2672 });
2673 assert_eq!(
2674 fs.files(),
2675 vec![
2676 Path::new(path!("/test/file-0")),
2677 Path::new(path!("/test/file-1"))
2678 ]
2679 );
2680
2681 // Rewinding the conversation truncates the history and restores the checkpoint.
2682 thread
2683 .update(cx, |thread, cx| {
2684 let AgentThreadEntry::UserMessage(message) = &thread.entries[2] else {
2685 panic!("unexpected entries {:?}", thread.entries)
2686 };
2687 thread.rewind(message.id.clone().unwrap(), cx)
2688 })
2689 .await
2690 .unwrap();
2691 thread.read_with(cx, |thread, cx| {
2692 assert_eq!(
2693 thread.to_markdown(cx),
2694 indoc! {"
2695 ## User (checkpoint)
2696
2697 Lorem
2698
2699 ## Assistant
2700
2701 LOREM
2702
2703 "}
2704 );
2705 });
2706 assert_eq!(fs.files(), vec![Path::new(path!("/test/file-0"))]);
2707 }
2708
2709 #[gpui::test]
2710 async fn test_tool_result_refusal(cx: &mut TestAppContext) {
2711 use std::sync::atomic::AtomicUsize;
2712 init_test(cx);
2713
2714 let fs = FakeFs::new(cx.executor());
2715 let project = Project::test(fs, None, cx).await;
2716
2717 // Create a connection that simulates refusal after tool result
2718 let prompt_count = Arc::new(AtomicUsize::new(0));
2719 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2720 let prompt_count = prompt_count.clone();
2721 move |_request, thread, mut cx| {
2722 let count = prompt_count.fetch_add(1, SeqCst);
2723 async move {
2724 if count == 0 {
2725 // First prompt: Generate a tool call with result
2726 thread.update(&mut cx, |thread, cx| {
2727 thread
2728 .handle_session_update(
2729 acp::SessionUpdate::ToolCall(acp::ToolCall {
2730 id: acp::ToolCallId("tool1".into()),
2731 title: "Test Tool".into(),
2732 kind: acp::ToolKind::Fetch,
2733 status: acp::ToolCallStatus::Completed,
2734 content: vec![],
2735 locations: vec![],
2736 raw_input: Some(serde_json::json!({"query": "test"})),
2737 raw_output: Some(
2738 serde_json::json!({"result": "inappropriate content"}),
2739 ),
2740 }),
2741 cx,
2742 )
2743 .unwrap();
2744 })?;
2745
2746 // Now return refusal because of the tool result
2747 Ok(acp::PromptResponse {
2748 stop_reason: acp::StopReason::Refusal,
2749 })
2750 } else {
2751 Ok(acp::PromptResponse {
2752 stop_reason: acp::StopReason::EndTurn,
2753 })
2754 }
2755 }
2756 .boxed_local()
2757 }
2758 }));
2759
2760 let thread = cx
2761 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2762 .await
2763 .unwrap();
2764
2765 // Track if we see a Refusal event
2766 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
2767 let saw_refusal_event_captured = saw_refusal_event.clone();
2768 thread.update(cx, |_thread, cx| {
2769 cx.subscribe(
2770 &thread,
2771 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
2772 if matches!(event, AcpThreadEvent::Refusal) {
2773 *saw_refusal_event_captured.lock().unwrap() = true;
2774 }
2775 },
2776 )
2777 .detach();
2778 });
2779
2780 // Send a user message - this will trigger tool call and then refusal
2781 let send_task = thread.update(cx, |thread, cx| {
2782 thread.send(
2783 vec![acp::ContentBlock::Text(acp::TextContent {
2784 text: "Hello".into(),
2785 annotations: None,
2786 })],
2787 cx,
2788 )
2789 });
2790 cx.background_executor.spawn(send_task).detach();
2791 cx.run_until_parked();
2792
2793 // Verify that:
2794 // 1. A Refusal event WAS emitted (because it's a tool result refusal, not user prompt)
2795 // 2. The user message was NOT truncated
2796 assert!(
2797 *saw_refusal_event.lock().unwrap(),
2798 "Refusal event should be emitted for tool result refusals"
2799 );
2800
2801 thread.read_with(cx, |thread, _| {
2802 let entries = thread.entries();
2803 assert!(entries.len() >= 2, "Should have user message and tool call");
2804
2805 // Verify user message is still there
2806 assert!(
2807 matches!(entries[0], AgentThreadEntry::UserMessage(_)),
2808 "User message should not be truncated"
2809 );
2810
2811 // Verify tool call is there with result
2812 if let AgentThreadEntry::ToolCall(tool_call) = &entries[1] {
2813 assert!(
2814 tool_call.raw_output.is_some(),
2815 "Tool call should have output"
2816 );
2817 } else {
2818 panic!("Expected tool call at index 1");
2819 }
2820 });
2821 }
2822
2823 #[gpui::test]
2824 async fn test_user_prompt_refusal_emits_event(cx: &mut TestAppContext) {
2825 init_test(cx);
2826
2827 let fs = FakeFs::new(cx.executor());
2828 let project = Project::test(fs, None, cx).await;
2829
2830 let refuse_next = Arc::new(AtomicBool::new(false));
2831 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2832 let refuse_next = refuse_next.clone();
2833 move |_request, _thread, _cx| {
2834 if refuse_next.load(SeqCst) {
2835 async move {
2836 Ok(acp::PromptResponse {
2837 stop_reason: acp::StopReason::Refusal,
2838 })
2839 }
2840 .boxed_local()
2841 } else {
2842 async move {
2843 Ok(acp::PromptResponse {
2844 stop_reason: acp::StopReason::EndTurn,
2845 })
2846 }
2847 .boxed_local()
2848 }
2849 }
2850 }));
2851
2852 let thread = cx
2853 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2854 .await
2855 .unwrap();
2856
2857 // Track if we see a Refusal event
2858 let saw_refusal_event = Arc::new(std::sync::Mutex::new(false));
2859 let saw_refusal_event_captured = saw_refusal_event.clone();
2860 thread.update(cx, |_thread, cx| {
2861 cx.subscribe(
2862 &thread,
2863 move |_thread, _event_thread, event: &AcpThreadEvent, _cx| {
2864 if matches!(event, AcpThreadEvent::Refusal) {
2865 *saw_refusal_event_captured.lock().unwrap() = true;
2866 }
2867 },
2868 )
2869 .detach();
2870 });
2871
2872 // Send a message that will be refused
2873 refuse_next.store(true, SeqCst);
2874 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
2875 .await
2876 .unwrap();
2877
2878 // Verify that a Refusal event WAS emitted for user prompt refusal
2879 assert!(
2880 *saw_refusal_event.lock().unwrap(),
2881 "Refusal event should be emitted for user prompt refusals"
2882 );
2883
2884 // Verify the message was truncated (user prompt refusal)
2885 thread.read_with(cx, |thread, cx| {
2886 assert_eq!(thread.to_markdown(cx), "");
2887 });
2888 }
2889
2890 #[gpui::test]
2891 async fn test_refusal(cx: &mut TestAppContext) {
2892 init_test(cx);
2893 let fs = FakeFs::new(cx.background_executor.clone());
2894 fs.insert_tree(path!("/"), json!({})).await;
2895 let project = Project::test(fs.clone(), [path!("/").as_ref()], cx).await;
2896
2897 let refuse_next = Arc::new(AtomicBool::new(false));
2898 let connection = Rc::new(FakeAgentConnection::new().on_user_message({
2899 let refuse_next = refuse_next.clone();
2900 move |request, thread, mut cx| {
2901 let refuse_next = refuse_next.clone();
2902 async move {
2903 if refuse_next.load(SeqCst) {
2904 return Ok(acp::PromptResponse {
2905 stop_reason: acp::StopReason::Refusal,
2906 });
2907 }
2908
2909 let acp::ContentBlock::Text(content) = &request.prompt[0] else {
2910 panic!("expected text content block");
2911 };
2912 thread.update(&mut cx, |thread, cx| {
2913 thread
2914 .handle_session_update(
2915 acp::SessionUpdate::AgentMessageChunk {
2916 content: content.text.to_uppercase().into(),
2917 },
2918 cx,
2919 )
2920 .unwrap();
2921 })?;
2922 Ok(acp::PromptResponse {
2923 stop_reason: acp::StopReason::EndTurn,
2924 })
2925 }
2926 .boxed_local()
2927 }
2928 }));
2929 let thread = cx
2930 .update(|cx| connection.new_thread(project, Path::new(path!("/test")), cx))
2931 .await
2932 .unwrap();
2933
2934 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx)))
2935 .await
2936 .unwrap();
2937 thread.read_with(cx, |thread, cx| {
2938 assert_eq!(
2939 thread.to_markdown(cx),
2940 indoc! {"
2941 ## User
2942
2943 hello
2944
2945 ## Assistant
2946
2947 HELLO
2948
2949 "}
2950 );
2951 });
2952
2953 // Simulate refusing the second message. The message should be truncated
2954 // when a user prompt is refused.
2955 refuse_next.store(true, SeqCst);
2956 cx.update(|cx| thread.update(cx, |thread, cx| thread.send(vec!["world".into()], cx)))
2957 .await
2958 .unwrap();
2959 thread.read_with(cx, |thread, cx| {
2960 assert_eq!(
2961 thread.to_markdown(cx),
2962 indoc! {"
2963 ## User
2964
2965 hello
2966
2967 ## Assistant
2968
2969 HELLO
2970
2971 "}
2972 );
2973 });
2974 }
2975
2976 async fn run_until_first_tool_call(
2977 thread: &Entity<AcpThread>,
2978 cx: &mut TestAppContext,
2979 ) -> usize {
2980 let (mut tx, mut rx) = mpsc::channel::<usize>(1);
2981
2982 let subscription = cx.update(|cx| {
2983 cx.subscribe(thread, move |thread, _, cx| {
2984 for (ix, entry) in thread.read(cx).entries.iter().enumerate() {
2985 if matches!(entry, AgentThreadEntry::ToolCall(_)) {
2986 return tx.try_send(ix).unwrap();
2987 }
2988 }
2989 })
2990 });
2991
2992 select! {
2993 _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
2994 panic!("Timeout waiting for tool call")
2995 }
2996 ix = rx.next().fuse() => {
2997 drop(subscription);
2998 ix.unwrap()
2999 }
3000 }
3001 }
3002
3003 #[derive(Clone, Default)]
3004 struct FakeAgentConnection {
3005 auth_methods: Vec<acp::AuthMethod>,
3006 sessions: Arc<parking_lot::Mutex<HashMap<acp::SessionId, WeakEntity<AcpThread>>>>,
3007 on_user_message: Option<
3008 Rc<
3009 dyn Fn(
3010 acp::PromptRequest,
3011 WeakEntity<AcpThread>,
3012 AsyncApp,
3013 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3014 + 'static,
3015 >,
3016 >,
3017 }
3018
3019 impl FakeAgentConnection {
3020 fn new() -> Self {
3021 Self {
3022 auth_methods: Vec::new(),
3023 on_user_message: None,
3024 sessions: Arc::default(),
3025 }
3026 }
3027
3028 #[expect(unused)]
3029 fn with_auth_methods(mut self, auth_methods: Vec<acp::AuthMethod>) -> Self {
3030 self.auth_methods = auth_methods;
3031 self
3032 }
3033
3034 fn on_user_message(
3035 mut self,
3036 handler: impl Fn(
3037 acp::PromptRequest,
3038 WeakEntity<AcpThread>,
3039 AsyncApp,
3040 ) -> LocalBoxFuture<'static, Result<acp::PromptResponse>>
3041 + 'static,
3042 ) -> Self {
3043 self.on_user_message.replace(Rc::new(handler));
3044 self
3045 }
3046 }
3047
3048 impl AgentConnection for FakeAgentConnection {
3049 fn auth_methods(&self) -> &[acp::AuthMethod] {
3050 &self.auth_methods
3051 }
3052
3053 fn new_thread(
3054 self: Rc<Self>,
3055 project: Entity<Project>,
3056 _cwd: &Path,
3057 cx: &mut App,
3058 ) -> Task<gpui::Result<Entity<AcpThread>>> {
3059 let session_id = acp::SessionId(
3060 rand::rng()
3061 .sample_iter(&distr::Alphanumeric)
3062 .take(7)
3063 .map(char::from)
3064 .collect::<String>()
3065 .into(),
3066 );
3067 let action_log = cx.new(|_| ActionLog::new(project.clone()));
3068 let thread = cx.new(|cx| {
3069 AcpThread::new(
3070 "Test",
3071 self.clone(),
3072 project,
3073 action_log,
3074 session_id.clone(),
3075 watch::Receiver::constant(acp::PromptCapabilities {
3076 image: true,
3077 audio: true,
3078 embedded_context: true,
3079 }),
3080 cx,
3081 )
3082 });
3083 self.sessions.lock().insert(session_id, thread.downgrade());
3084 Task::ready(Ok(thread))
3085 }
3086
3087 fn authenticate(&self, method: acp::AuthMethodId, _cx: &mut App) -> Task<gpui::Result<()>> {
3088 if self.auth_methods().iter().any(|m| m.id == method) {
3089 Task::ready(Ok(()))
3090 } else {
3091 Task::ready(Err(anyhow!("Invalid Auth Method")))
3092 }
3093 }
3094
3095 fn prompt(
3096 &self,
3097 _id: Option<UserMessageId>,
3098 params: acp::PromptRequest,
3099 cx: &mut App,
3100 ) -> Task<gpui::Result<acp::PromptResponse>> {
3101 let sessions = self.sessions.lock();
3102 let thread = sessions.get(¶ms.session_id).unwrap();
3103 if let Some(handler) = &self.on_user_message {
3104 let handler = handler.clone();
3105 let thread = thread.clone();
3106 cx.spawn(async move |cx| handler(params, thread, cx.clone()).await)
3107 } else {
3108 Task::ready(Ok(acp::PromptResponse {
3109 stop_reason: acp::StopReason::EndTurn,
3110 }))
3111 }
3112 }
3113
3114 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
3115 let sessions = self.sessions.lock();
3116 let thread = sessions.get(session_id).unwrap().clone();
3117
3118 cx.spawn(async move |cx| {
3119 thread
3120 .update(cx, |thread, cx| thread.cancel(cx))
3121 .unwrap()
3122 .await
3123 })
3124 .detach();
3125 }
3126
3127 fn truncate(
3128 &self,
3129 session_id: &acp::SessionId,
3130 _cx: &App,
3131 ) -> Option<Rc<dyn AgentSessionTruncate>> {
3132 Some(Rc::new(FakeAgentSessionEditor {
3133 _session_id: session_id.clone(),
3134 }))
3135 }
3136
3137 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3138 self
3139 }
3140 }
3141
3142 struct FakeAgentSessionEditor {
3143 _session_id: acp::SessionId,
3144 }
3145
3146 impl AgentSessionTruncate for FakeAgentSessionEditor {
3147 fn run(&self, _message_id: UserMessageId, _cx: &mut App) -> Task<Result<()>> {
3148 Task::ready(Ok(()))
3149 }
3150 }
3151}