1mod db;
2mod edit_agent;
3mod legacy_thread;
4mod native_agent_server;
5pub mod outline;
6mod pattern_extraction;
7mod templates;
8#[cfg(test)]
9mod tests;
10mod thread;
11mod thread_store;
12mod tool_permissions;
13mod tools;
14
15use context_server::ContextServerId;
16pub use db::*;
17use itertools::Itertools;
18pub use native_agent_server::NativeAgentServer;
19pub use pattern_extraction::*;
20pub use shell_command_parser::extract_commands;
21pub use templates::*;
22pub use thread::*;
23pub use thread_store::*;
24pub use tool_permissions::*;
25pub use tools::*;
26
27use acp_thread::{
28 AcpThread, AgentModelSelector, AgentSessionInfo, AgentSessionList, AgentSessionListRequest,
29 AgentSessionListResponse, TokenUsageRatio, UserMessageId,
30};
31use agent_client_protocol as acp;
32use anyhow::{Context as _, Result, anyhow};
33use chrono::{DateTime, Utc};
34use collections::{HashMap, HashSet, IndexMap};
35use fs::Fs;
36use futures::channel::{mpsc, oneshot};
37use futures::future::Shared;
38use futures::{FutureExt as _, StreamExt as _, future};
39use gpui::{
40 App, AppContext, AsyncApp, Context, Entity, EntityId, SharedString, Subscription, Task,
41 WeakEntity,
42};
43use language_model::{IconOrSvg, LanguageModel, LanguageModelProvider, LanguageModelRegistry};
44use project::{AgentId, Project, ProjectItem, ProjectPath, Worktree};
45use prompt_store::{
46 ProjectContext, PromptStore, RULES_FILE_NAMES, RulesFileContext, UserRulesContext,
47 WorktreeContext,
48};
49use serde::{Deserialize, Serialize};
50use settings::{LanguageModelSelection, update_settings_file};
51use std::any::Any;
52use std::path::PathBuf;
53use std::rc::Rc;
54use std::sync::{Arc, LazyLock};
55use util::ResultExt;
56use util::path_list::PathList;
57use util::rel_path::RelPath;
58
59#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
60pub struct ProjectSnapshot {
61 pub worktree_snapshots: Vec<project::telemetry_snapshot::TelemetryWorktreeSnapshot>,
62 pub timestamp: DateTime<Utc>,
63}
64
65pub struct RulesLoadingError {
66 pub message: SharedString,
67}
68
69struct ProjectState {
70 project: Entity<Project>,
71 project_context: Entity<ProjectContext>,
72 project_context_needs_refresh: watch::Sender<()>,
73 _maintain_project_context: Task<Result<()>>,
74 context_server_registry: Entity<ContextServerRegistry>,
75 _subscriptions: Vec<Subscription>,
76}
77
78/// Holds both the internal Thread and the AcpThread for a session
79struct Session {
80 /// The internal thread that processes messages
81 thread: Entity<Thread>,
82 /// The ACP thread that handles protocol communication
83 acp_thread: Entity<acp_thread::AcpThread>,
84 project_id: EntityId,
85 pending_save: Task<Result<()>>,
86 _subscriptions: Vec<Subscription>,
87}
88
89pub struct LanguageModels {
90 /// Access language model by ID
91 models: HashMap<acp::ModelId, Arc<dyn LanguageModel>>,
92 /// Cached list for returning language model information
93 model_list: acp_thread::AgentModelList,
94 refresh_models_rx: watch::Receiver<()>,
95 refresh_models_tx: watch::Sender<()>,
96 _authenticate_all_providers_task: Task<()>,
97}
98
99impl LanguageModels {
100 fn new(cx: &mut App) -> Self {
101 let (refresh_models_tx, refresh_models_rx) = watch::channel(());
102
103 let mut this = Self {
104 models: HashMap::default(),
105 model_list: acp_thread::AgentModelList::Grouped(IndexMap::default()),
106 refresh_models_rx,
107 refresh_models_tx,
108 _authenticate_all_providers_task: Self::authenticate_all_language_model_providers(cx),
109 };
110 this.refresh_list(cx);
111 this
112 }
113
114 fn refresh_list(&mut self, cx: &App) {
115 let providers = LanguageModelRegistry::global(cx)
116 .read(cx)
117 .visible_providers()
118 .into_iter()
119 .filter(|provider| provider.is_authenticated(cx))
120 .collect::<Vec<_>>();
121
122 let mut language_model_list = IndexMap::default();
123 let mut recommended_models = HashSet::default();
124
125 let mut recommended = Vec::new();
126 for provider in &providers {
127 for model in provider.recommended_models(cx) {
128 recommended_models.insert((model.provider_id(), model.id()));
129 recommended.push(Self::map_language_model_to_info(&model, provider));
130 }
131 }
132 if !recommended.is_empty() {
133 language_model_list.insert(
134 acp_thread::AgentModelGroupName("Recommended".into()),
135 recommended,
136 );
137 }
138
139 let mut models = HashMap::default();
140 for provider in providers {
141 let mut provider_models = Vec::new();
142 for model in provider.provided_models(cx) {
143 let model_info = Self::map_language_model_to_info(&model, &provider);
144 let model_id = model_info.id.clone();
145 provider_models.push(model_info);
146 models.insert(model_id, model);
147 }
148 if !provider_models.is_empty() {
149 language_model_list.insert(
150 acp_thread::AgentModelGroupName(provider.name().0.clone()),
151 provider_models,
152 );
153 }
154 }
155
156 self.models = models;
157 self.model_list = acp_thread::AgentModelList::Grouped(language_model_list);
158 self.refresh_models_tx.send(()).ok();
159 }
160
161 fn watch(&self) -> watch::Receiver<()> {
162 self.refresh_models_rx.clone()
163 }
164
165 pub fn model_from_id(&self, model_id: &acp::ModelId) -> Option<Arc<dyn LanguageModel>> {
166 self.models.get(model_id).cloned()
167 }
168
169 fn map_language_model_to_info(
170 model: &Arc<dyn LanguageModel>,
171 provider: &Arc<dyn LanguageModelProvider>,
172 ) -> acp_thread::AgentModelInfo {
173 acp_thread::AgentModelInfo {
174 id: Self::model_id(model),
175 name: model.name().0,
176 description: None,
177 icon: Some(match provider.icon() {
178 IconOrSvg::Svg(path) => acp_thread::AgentModelIcon::Path(path),
179 IconOrSvg::Icon(name) => acp_thread::AgentModelIcon::Named(name),
180 }),
181 is_latest: model.is_latest(),
182 cost: model.model_cost_info().map(|cost| cost.to_shared_string()),
183 }
184 }
185
186 fn model_id(model: &Arc<dyn LanguageModel>) -> acp::ModelId {
187 acp::ModelId::new(format!("{}/{}", model.provider_id().0, model.id().0))
188 }
189
190 fn authenticate_all_language_model_providers(cx: &mut App) -> Task<()> {
191 let authenticate_all_providers = LanguageModelRegistry::global(cx)
192 .read(cx)
193 .visible_providers()
194 .iter()
195 .map(|provider| (provider.id(), provider.name(), provider.authenticate(cx)))
196 .collect::<Vec<_>>();
197
198 cx.background_spawn(async move {
199 for (provider_id, provider_name, authenticate_task) in authenticate_all_providers {
200 if let Err(err) = authenticate_task.await {
201 match err {
202 language_model::AuthenticateError::CredentialsNotFound => {
203 // Since we're authenticating these providers in the
204 // background for the purposes of populating the
205 // language selector, we don't care about providers
206 // where the credentials are not found.
207 }
208 language_model::AuthenticateError::ConnectionRefused => {
209 // Not logging connection refused errors as they are mostly from LM Studio's noisy auth failures.
210 // LM Studio only has one auth method (endpoint call) which fails for users who haven't enabled it.
211 // TODO: Better manage LM Studio auth logic to avoid these noisy failures.
212 }
213 _ => {
214 // Some providers have noisy failure states that we
215 // don't want to spam the logs with every time the
216 // language model selector is initialized.
217 //
218 // Ideally these should have more clear failure modes
219 // that we know are safe to ignore here, like what we do
220 // with `CredentialsNotFound` above.
221 match provider_id.0.as_ref() {
222 "lmstudio" | "ollama" => {
223 // LM Studio and Ollama both make fetch requests to the local APIs to determine if they are "authenticated".
224 //
225 // These fail noisily, so we don't log them.
226 }
227 "copilot_chat" => {
228 // Copilot Chat returns an error if Copilot is not enabled, so we don't log those errors.
229 }
230 _ => {
231 log::error!(
232 "Failed to authenticate provider: {}: {err:#}",
233 provider_name.0
234 );
235 }
236 }
237 }
238 }
239 }
240 }
241 })
242 }
243}
244
245pub struct NativeAgent {
246 /// Session ID -> Session mapping
247 sessions: HashMap<acp::SessionId, Session>,
248 thread_store: Entity<ThreadStore>,
249 /// Project-specific state keyed by project EntityId
250 projects: HashMap<EntityId, ProjectState>,
251 /// Shared templates for all threads
252 templates: Arc<Templates>,
253 /// Cached model information
254 models: LanguageModels,
255 prompt_store: Option<Entity<PromptStore>>,
256 fs: Arc<dyn Fs>,
257 _subscriptions: Vec<Subscription>,
258}
259
260impl NativeAgent {
261 pub fn new(
262 thread_store: Entity<ThreadStore>,
263 templates: Arc<Templates>,
264 prompt_store: Option<Entity<PromptStore>>,
265 fs: Arc<dyn Fs>,
266 cx: &mut App,
267 ) -> Entity<NativeAgent> {
268 log::debug!("Creating new NativeAgent");
269
270 cx.new(|cx| {
271 let mut subscriptions = vec![cx.subscribe(
272 &LanguageModelRegistry::global(cx),
273 Self::handle_models_updated_event,
274 )];
275 if let Some(prompt_store) = prompt_store.as_ref() {
276 subscriptions.push(cx.subscribe(prompt_store, Self::handle_prompts_updated_event))
277 }
278
279 Self {
280 sessions: HashMap::default(),
281 thread_store,
282 projects: HashMap::default(),
283 templates,
284 models: LanguageModels::new(cx),
285 prompt_store,
286 fs,
287 _subscriptions: subscriptions,
288 }
289 })
290 }
291
292 fn new_session(
293 &mut self,
294 project: Entity<Project>,
295 cx: &mut Context<Self>,
296 ) -> Entity<AcpThread> {
297 let project_id = self.get_or_create_project_state(&project, cx);
298 let project_state = &self.projects[&project_id];
299
300 let registry = LanguageModelRegistry::read_global(cx);
301 let available_count = registry.available_models(cx).count();
302 log::debug!("Total available models: {}", available_count);
303
304 let default_model = registry.default_model().and_then(|default_model| {
305 self.models
306 .model_from_id(&LanguageModels::model_id(&default_model.model))
307 });
308 let thread = cx.new(|cx| {
309 Thread::new(
310 project,
311 project_state.project_context.clone(),
312 project_state.context_server_registry.clone(),
313 self.templates.clone(),
314 default_model,
315 cx,
316 )
317 });
318
319 self.register_session(thread, project_id, cx)
320 }
321
322 fn register_session(
323 &mut self,
324 thread_handle: Entity<Thread>,
325 project_id: EntityId,
326 cx: &mut Context<Self>,
327 ) -> Entity<AcpThread> {
328 let connection = Rc::new(NativeAgentConnection(cx.entity()));
329
330 let thread = thread_handle.read(cx);
331 let session_id = thread.id().clone();
332 let parent_session_id = thread.parent_thread_id();
333 let title = thread.title();
334 let draft_prompt = thread.draft_prompt().map(Vec::from);
335 let scroll_position = thread.ui_scroll_position();
336 let token_usage = thread.latest_token_usage();
337 let project = thread.project.clone();
338 let action_log = thread.action_log.clone();
339 let prompt_capabilities_rx = thread.prompt_capabilities_rx.clone();
340 let acp_thread = cx.new(|cx| {
341 let mut acp_thread = acp_thread::AcpThread::new(
342 parent_session_id,
343 title,
344 None,
345 connection,
346 project.clone(),
347 action_log.clone(),
348 session_id.clone(),
349 prompt_capabilities_rx,
350 cx,
351 );
352 acp_thread.set_draft_prompt(draft_prompt);
353 acp_thread.set_ui_scroll_position(scroll_position);
354 acp_thread.update_token_usage(token_usage, cx);
355 acp_thread
356 });
357
358 let registry = LanguageModelRegistry::read_global(cx);
359 let summarization_model = registry.thread_summary_model().map(|c| c.model);
360
361 let weak = cx.weak_entity();
362 let weak_thread = thread_handle.downgrade();
363 thread_handle.update(cx, |thread, cx| {
364 thread.set_summarization_model(summarization_model, cx);
365 thread.add_default_tools(
366 Rc::new(NativeThreadEnvironment {
367 acp_thread: acp_thread.downgrade(),
368 thread: weak_thread,
369 agent: weak,
370 }) as _,
371 cx,
372 )
373 });
374
375 let subscriptions = vec![
376 cx.subscribe(&thread_handle, Self::handle_thread_title_updated),
377 cx.subscribe(&thread_handle, Self::handle_thread_token_usage_updated),
378 cx.observe(&thread_handle, move |this, thread, cx| {
379 this.save_thread(thread, cx)
380 }),
381 ];
382
383 self.sessions.insert(
384 session_id,
385 Session {
386 thread: thread_handle,
387 acp_thread: acp_thread.clone(),
388 project_id,
389 _subscriptions: subscriptions,
390 pending_save: Task::ready(Ok(())),
391 },
392 );
393
394 self.update_available_commands_for_project(project_id, cx);
395
396 acp_thread
397 }
398
399 pub fn models(&self) -> &LanguageModels {
400 &self.models
401 }
402
403 fn get_or_create_project_state(
404 &mut self,
405 project: &Entity<Project>,
406 cx: &mut Context<Self>,
407 ) -> EntityId {
408 let project_id = project.entity_id();
409 if self.projects.contains_key(&project_id) {
410 return project_id;
411 }
412
413 let project_context = cx.new(|_| ProjectContext::new(vec![], vec![]));
414 self.register_project_with_initial_context(project.clone(), project_context, cx);
415 if let Some(state) = self.projects.get_mut(&project_id) {
416 state.project_context_needs_refresh.send(()).ok();
417 }
418 project_id
419 }
420
421 fn register_project_with_initial_context(
422 &mut self,
423 project: Entity<Project>,
424 project_context: Entity<ProjectContext>,
425 cx: &mut Context<Self>,
426 ) {
427 let project_id = project.entity_id();
428
429 let context_server_store = project.read(cx).context_server_store();
430 let context_server_registry =
431 cx.new(|cx| ContextServerRegistry::new(context_server_store.clone(), cx));
432
433 let subscriptions = vec![
434 cx.subscribe(&project, Self::handle_project_event),
435 cx.subscribe(
436 &context_server_store,
437 Self::handle_context_server_store_updated,
438 ),
439 cx.subscribe(
440 &context_server_registry,
441 Self::handle_context_server_registry_event,
442 ),
443 ];
444
445 let (project_context_needs_refresh_tx, project_context_needs_refresh_rx) =
446 watch::channel(());
447
448 self.projects.insert(
449 project_id,
450 ProjectState {
451 project,
452 project_context,
453 project_context_needs_refresh: project_context_needs_refresh_tx,
454 _maintain_project_context: cx.spawn(async move |this, cx| {
455 Self::maintain_project_context(
456 this,
457 project_id,
458 project_context_needs_refresh_rx,
459 cx,
460 )
461 .await
462 }),
463 context_server_registry,
464 _subscriptions: subscriptions,
465 },
466 );
467 }
468
469 fn session_project_state(&self, session_id: &acp::SessionId) -> Option<&ProjectState> {
470 self.sessions
471 .get(session_id)
472 .and_then(|session| self.projects.get(&session.project_id))
473 }
474
475 async fn maintain_project_context(
476 this: WeakEntity<Self>,
477 project_id: EntityId,
478 mut needs_refresh: watch::Receiver<()>,
479 cx: &mut AsyncApp,
480 ) -> Result<()> {
481 while needs_refresh.changed().await.is_ok() {
482 let project_context = this
483 .update(cx, |this, cx| {
484 let state = this
485 .projects
486 .get(&project_id)
487 .context("project state not found")?;
488 anyhow::Ok(Self::build_project_context(
489 &state.project,
490 this.prompt_store.as_ref(),
491 cx,
492 ))
493 })??
494 .await;
495 this.update(cx, |this, cx| {
496 if let Some(state) = this.projects.get(&project_id) {
497 state
498 .project_context
499 .update(cx, |current_project_context, _cx| {
500 *current_project_context = project_context;
501 });
502 }
503 })?;
504 }
505
506 Ok(())
507 }
508
509 fn build_project_context(
510 project: &Entity<Project>,
511 prompt_store: Option<&Entity<PromptStore>>,
512 cx: &mut App,
513 ) -> Task<ProjectContext> {
514 let worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
515 let worktree_tasks = worktrees
516 .into_iter()
517 .map(|worktree| {
518 Self::load_worktree_info_for_system_prompt(worktree, project.clone(), cx)
519 })
520 .collect::<Vec<_>>();
521 let default_user_rules_task = if let Some(prompt_store) = prompt_store.as_ref() {
522 prompt_store.read_with(cx, |prompt_store, cx| {
523 let prompts = prompt_store.default_prompt_metadata();
524 let load_tasks = prompts.into_iter().map(|prompt_metadata| {
525 let contents = prompt_store.load(prompt_metadata.id, cx);
526 async move { (contents.await, prompt_metadata) }
527 });
528 cx.background_spawn(future::join_all(load_tasks))
529 })
530 } else {
531 Task::ready(vec![])
532 };
533
534 cx.spawn(async move |_cx| {
535 let (worktrees, default_user_rules) =
536 future::join(future::join_all(worktree_tasks), default_user_rules_task).await;
537
538 let worktrees = worktrees
539 .into_iter()
540 .map(|(worktree, _rules_error)| {
541 // TODO: show error message
542 // if let Some(rules_error) = rules_error {
543 // this.update(cx, |_, cx| cx.emit(rules_error)).ok();
544 // }
545 worktree
546 })
547 .collect::<Vec<_>>();
548
549 let default_user_rules = default_user_rules
550 .into_iter()
551 .flat_map(|(contents, prompt_metadata)| match contents {
552 Ok(contents) => Some(UserRulesContext {
553 uuid: prompt_metadata.id.as_user()?,
554 title: prompt_metadata.title.map(|title| title.to_string()),
555 contents,
556 }),
557 Err(_err) => {
558 // TODO: show error message
559 // this.update(cx, |_, cx| {
560 // cx.emit(RulesLoadingError {
561 // message: format!("{err:?}").into(),
562 // });
563 // })
564 // .ok();
565 None
566 }
567 })
568 .collect::<Vec<_>>();
569
570 ProjectContext::new(worktrees, default_user_rules)
571 })
572 }
573
574 fn load_worktree_info_for_system_prompt(
575 worktree: Entity<Worktree>,
576 project: Entity<Project>,
577 cx: &mut App,
578 ) -> Task<(WorktreeContext, Option<RulesLoadingError>)> {
579 let tree = worktree.read(cx);
580 let root_name = tree.root_name_str().into();
581 let abs_path = tree.abs_path();
582
583 let mut context = WorktreeContext {
584 root_name,
585 abs_path,
586 rules_file: None,
587 };
588
589 let rules_task = Self::load_worktree_rules_file(worktree, project, cx);
590 let Some(rules_task) = rules_task else {
591 return Task::ready((context, None));
592 };
593
594 cx.spawn(async move |_| {
595 let (rules_file, rules_file_error) = match rules_task.await {
596 Ok(rules_file) => (Some(rules_file), None),
597 Err(err) => (
598 None,
599 Some(RulesLoadingError {
600 message: format!("{err}").into(),
601 }),
602 ),
603 };
604 context.rules_file = rules_file;
605 (context, rules_file_error)
606 })
607 }
608
609 fn load_worktree_rules_file(
610 worktree: Entity<Worktree>,
611 project: Entity<Project>,
612 cx: &mut App,
613 ) -> Option<Task<Result<RulesFileContext>>> {
614 let worktree = worktree.read(cx);
615 let worktree_id = worktree.id();
616 let selected_rules_file = RULES_FILE_NAMES
617 .into_iter()
618 .filter_map(|name| {
619 worktree
620 .entry_for_path(RelPath::unix(name).unwrap())
621 .filter(|entry| entry.is_file())
622 .map(|entry| entry.path.clone())
623 })
624 .next();
625
626 // Note that Cline supports `.clinerules` being a directory, but that is not currently
627 // supported. This doesn't seem to occur often in GitHub repositories.
628 selected_rules_file.map(|path_in_worktree| {
629 let project_path = ProjectPath {
630 worktree_id,
631 path: path_in_worktree.clone(),
632 };
633 let buffer_task =
634 project.update(cx, |project, cx| project.open_buffer(project_path, cx));
635 let rope_task = cx.spawn(async move |cx| {
636 let buffer = buffer_task.await?;
637 let (project_entry_id, rope) = buffer.read_with(cx, |buffer, cx| {
638 let project_entry_id = buffer.entry_id(cx).context("buffer has no file")?;
639 anyhow::Ok((project_entry_id, buffer.as_rope().clone()))
640 })?;
641 anyhow::Ok((project_entry_id, rope))
642 });
643 // Build a string from the rope on a background thread.
644 cx.background_spawn(async move {
645 let (project_entry_id, rope) = rope_task.await?;
646 anyhow::Ok(RulesFileContext {
647 path_in_worktree,
648 text: rope.to_string().trim().to_string(),
649 project_entry_id: project_entry_id.to_usize(),
650 })
651 })
652 })
653 }
654
655 fn handle_thread_title_updated(
656 &mut self,
657 thread: Entity<Thread>,
658 _: &TitleUpdated,
659 cx: &mut Context<Self>,
660 ) {
661 let session_id = thread.read(cx).id();
662 let Some(session) = self.sessions.get(session_id) else {
663 return;
664 };
665
666 let thread = thread.downgrade();
667 let acp_thread = session.acp_thread.downgrade();
668 cx.spawn(async move |_, cx| {
669 let title = thread.read_with(cx, |thread, _| thread.title())?;
670 if let Some(title) = title {
671 let task =
672 acp_thread.update(cx, |acp_thread, cx| acp_thread.set_title(title, cx))?;
673 task.await?;
674 }
675 anyhow::Ok(())
676 })
677 .detach_and_log_err(cx);
678 }
679
680 fn handle_thread_token_usage_updated(
681 &mut self,
682 thread: Entity<Thread>,
683 usage: &TokenUsageUpdated,
684 cx: &mut Context<Self>,
685 ) {
686 let Some(session) = self.sessions.get(thread.read(cx).id()) else {
687 return;
688 };
689 session.acp_thread.update(cx, |acp_thread, cx| {
690 acp_thread.update_token_usage(usage.0.clone(), cx);
691 });
692 }
693
694 fn handle_project_event(
695 &mut self,
696 project: Entity<Project>,
697 event: &project::Event,
698 _cx: &mut Context<Self>,
699 ) {
700 let project_id = project.entity_id();
701 let Some(state) = self.projects.get_mut(&project_id) else {
702 return;
703 };
704 match event {
705 project::Event::WorktreeAdded(_) | project::Event::WorktreeRemoved(_) => {
706 state.project_context_needs_refresh.send(()).ok();
707 }
708 project::Event::WorktreeUpdatedEntries(_, items) => {
709 if items.iter().any(|(path, _, _)| {
710 RULES_FILE_NAMES
711 .iter()
712 .any(|name| path.as_ref() == RelPath::unix(name).unwrap())
713 }) {
714 state.project_context_needs_refresh.send(()).ok();
715 }
716 }
717 _ => {}
718 }
719 }
720
721 fn handle_prompts_updated_event(
722 &mut self,
723 _prompt_store: Entity<PromptStore>,
724 _event: &prompt_store::PromptsUpdatedEvent,
725 _cx: &mut Context<Self>,
726 ) {
727 for state in self.projects.values_mut() {
728 state.project_context_needs_refresh.send(()).ok();
729 }
730 }
731
732 fn handle_models_updated_event(
733 &mut self,
734 _registry: Entity<LanguageModelRegistry>,
735 event: &language_model::Event,
736 cx: &mut Context<Self>,
737 ) {
738 self.models.refresh_list(cx);
739
740 let registry = LanguageModelRegistry::read_global(cx);
741 let default_model = registry.default_model().map(|m| m.model);
742 let summarization_model = registry.thread_summary_model().map(|m| m.model);
743
744 for session in self.sessions.values_mut() {
745 session.thread.update(cx, |thread, cx| {
746 if thread.model().is_none()
747 && let Some(model) = default_model.clone()
748 {
749 thread.set_model(model, cx);
750 cx.notify();
751 }
752 if let Some(model) = summarization_model.clone() {
753 if thread.summarization_model().is_none()
754 || matches!(event, language_model::Event::ThreadSummaryModelChanged)
755 {
756 thread.set_summarization_model(Some(model), cx);
757 }
758 }
759 });
760 }
761 }
762
763 fn handle_context_server_store_updated(
764 &mut self,
765 store: Entity<project::context_server_store::ContextServerStore>,
766 _event: &project::context_server_store::ServerStatusChangedEvent,
767 cx: &mut Context<Self>,
768 ) {
769 let project_id = self.projects.iter().find_map(|(id, state)| {
770 if *state.context_server_registry.read(cx).server_store() == store {
771 Some(*id)
772 } else {
773 None
774 }
775 });
776 if let Some(project_id) = project_id {
777 self.update_available_commands_for_project(project_id, cx);
778 }
779 }
780
781 fn handle_context_server_registry_event(
782 &mut self,
783 registry: Entity<ContextServerRegistry>,
784 event: &ContextServerRegistryEvent,
785 cx: &mut Context<Self>,
786 ) {
787 match event {
788 ContextServerRegistryEvent::ToolsChanged => {}
789 ContextServerRegistryEvent::PromptsChanged => {
790 let project_id = self.projects.iter().find_map(|(id, state)| {
791 if state.context_server_registry == registry {
792 Some(*id)
793 } else {
794 None
795 }
796 });
797 if let Some(project_id) = project_id {
798 self.update_available_commands_for_project(project_id, cx);
799 }
800 }
801 }
802 }
803
804 fn update_available_commands_for_project(&self, project_id: EntityId, cx: &mut Context<Self>) {
805 let available_commands =
806 Self::build_available_commands_for_project(self.projects.get(&project_id), cx);
807 for session in self.sessions.values() {
808 if session.project_id != project_id {
809 continue;
810 }
811 session.acp_thread.update(cx, |thread, cx| {
812 thread
813 .handle_session_update(
814 acp::SessionUpdate::AvailableCommandsUpdate(
815 acp::AvailableCommandsUpdate::new(available_commands.clone()),
816 ),
817 cx,
818 )
819 .log_err();
820 });
821 }
822 }
823
824 fn build_available_commands_for_project(
825 project_state: Option<&ProjectState>,
826 cx: &App,
827 ) -> Vec<acp::AvailableCommand> {
828 let Some(state) = project_state else {
829 return vec![];
830 };
831 let registry = state.context_server_registry.read(cx);
832
833 let mut prompt_name_counts: HashMap<&str, usize> = HashMap::default();
834 for context_server_prompt in registry.prompts() {
835 *prompt_name_counts
836 .entry(context_server_prompt.prompt.name.as_str())
837 .or_insert(0) += 1;
838 }
839
840 registry
841 .prompts()
842 .flat_map(|context_server_prompt| {
843 let prompt = &context_server_prompt.prompt;
844
845 let should_prefix = prompt_name_counts
846 .get(prompt.name.as_str())
847 .copied()
848 .unwrap_or(0)
849 > 1;
850
851 let name = if should_prefix {
852 format!("{}.{}", context_server_prompt.server_id, prompt.name)
853 } else {
854 prompt.name.clone()
855 };
856
857 let mut command = acp::AvailableCommand::new(
858 name,
859 prompt.description.clone().unwrap_or_default(),
860 );
861
862 match prompt.arguments.as_deref() {
863 Some([arg]) => {
864 let hint = format!("<{}>", arg.name);
865
866 command = command.input(acp::AvailableCommandInput::Unstructured(
867 acp::UnstructuredCommandInput::new(hint),
868 ));
869 }
870 Some([]) | None => {}
871 Some(_) => {
872 // skip >1 argument commands since we don't support them yet
873 return None;
874 }
875 }
876
877 Some(command)
878 })
879 .collect()
880 }
881
882 pub fn load_thread(
883 &mut self,
884 id: acp::SessionId,
885 project: Entity<Project>,
886 cx: &mut Context<Self>,
887 ) -> Task<Result<Entity<Thread>>> {
888 let database_future = ThreadsDatabase::connect(cx);
889 cx.spawn(async move |this, cx| {
890 let database = database_future.await.map_err(|err| anyhow!(err))?;
891 let db_thread = database
892 .load_thread(id.clone())
893 .await?
894 .with_context(|| format!("no thread found with ID: {id:?}"))?;
895
896 this.update(cx, |this, cx| {
897 let project_id = this.get_or_create_project_state(&project, cx);
898 let project_state = this
899 .projects
900 .get(&project_id)
901 .context("project state not found")?;
902 let summarization_model = LanguageModelRegistry::read_global(cx)
903 .thread_summary_model()
904 .map(|c| c.model);
905
906 Ok(cx.new(|cx| {
907 let mut thread = Thread::from_db(
908 id.clone(),
909 db_thread,
910 project_state.project.clone(),
911 project_state.project_context.clone(),
912 project_state.context_server_registry.clone(),
913 this.templates.clone(),
914 cx,
915 );
916 thread.set_summarization_model(summarization_model, cx);
917 thread
918 }))
919 })?
920 })
921 }
922
923 pub fn open_thread(
924 &mut self,
925 id: acp::SessionId,
926 project: Entity<Project>,
927 cx: &mut Context<Self>,
928 ) -> Task<Result<Entity<AcpThread>>> {
929 if let Some(session) = self.sessions.get(&id) {
930 return Task::ready(Ok(session.acp_thread.clone()));
931 }
932
933 let task = self.load_thread(id, project.clone(), cx);
934 cx.spawn(async move |this, cx| {
935 let thread = task.await?;
936 let acp_thread = this.update(cx, |this, cx| {
937 let project_id = this.get_or_create_project_state(&project, cx);
938 this.register_session(thread.clone(), project_id, cx)
939 })?;
940 let events = thread.update(cx, |thread, cx| thread.replay(cx));
941 cx.update(|cx| {
942 NativeAgentConnection::handle_thread_events(events, acp_thread.downgrade(), cx)
943 })
944 .await?;
945 acp_thread.update(cx, |thread, cx| {
946 thread.snapshot_completed_plan(cx);
947 });
948 Ok(acp_thread)
949 })
950 }
951
952 pub fn thread_summary(
953 &mut self,
954 id: acp::SessionId,
955 project: Entity<Project>,
956 cx: &mut Context<Self>,
957 ) -> Task<Result<SharedString>> {
958 let thread = self.open_thread(id.clone(), project, cx);
959 cx.spawn(async move |this, cx| {
960 let acp_thread = thread.await?;
961 let result = this
962 .update(cx, |this, cx| {
963 this.sessions
964 .get(&id)
965 .unwrap()
966 .thread
967 .update(cx, |thread, cx| thread.summary(cx))
968 })?
969 .await
970 .context("Failed to generate summary")?;
971 drop(acp_thread);
972 Ok(result)
973 })
974 }
975
976 fn save_thread(&mut self, thread: Entity<Thread>, cx: &mut Context<Self>) {
977 if thread.read(cx).is_empty() {
978 return;
979 }
980
981 let id = thread.read(cx).id().clone();
982 let Some(session) = self.sessions.get_mut(&id) else {
983 return;
984 };
985
986 let project_id = session.project_id;
987 let Some(state) = self.projects.get(&project_id) else {
988 return;
989 };
990
991 let folder_paths = PathList::new(
992 &state
993 .project
994 .read(cx)
995 .visible_worktrees(cx)
996 .map(|worktree| worktree.read(cx).abs_path().to_path_buf())
997 .collect::<Vec<_>>(),
998 );
999
1000 let draft_prompt = session.acp_thread.read(cx).draft_prompt().map(Vec::from);
1001 let database_future = ThreadsDatabase::connect(cx);
1002 let db_thread = thread.update(cx, |thread, cx| {
1003 thread.set_draft_prompt(draft_prompt);
1004 thread.to_db(cx)
1005 });
1006 let thread_store = self.thread_store.clone();
1007 session.pending_save = cx.spawn(async move |_, cx| {
1008 let Some(database) = database_future.await.map_err(|err| anyhow!(err)).log_err() else {
1009 return Ok(());
1010 };
1011 let db_thread = db_thread.await;
1012 database
1013 .save_thread(id, db_thread, folder_paths)
1014 .await
1015 .log_err();
1016 thread_store.update(cx, |store, cx| store.reload(cx));
1017 Ok(())
1018 });
1019 }
1020
1021 fn send_mcp_prompt(
1022 &self,
1023 message_id: UserMessageId,
1024 session_id: acp::SessionId,
1025 prompt_name: String,
1026 server_id: ContextServerId,
1027 arguments: HashMap<String, String>,
1028 original_content: Vec<acp::ContentBlock>,
1029 cx: &mut Context<Self>,
1030 ) -> Task<Result<acp::PromptResponse>> {
1031 let Some(state) = self.session_project_state(&session_id) else {
1032 return Task::ready(Err(anyhow!("Project state not found for session")));
1033 };
1034 let server_store = state
1035 .context_server_registry
1036 .read(cx)
1037 .server_store()
1038 .clone();
1039 let path_style = state.project.read(cx).path_style(cx);
1040
1041 cx.spawn(async move |this, cx| {
1042 let prompt =
1043 crate::get_prompt(&server_store, &server_id, &prompt_name, arguments, cx).await?;
1044
1045 let (acp_thread, thread) = this.update(cx, |this, _cx| {
1046 let session = this
1047 .sessions
1048 .get(&session_id)
1049 .context("Failed to get session")?;
1050 anyhow::Ok((session.acp_thread.clone(), session.thread.clone()))
1051 })??;
1052
1053 let mut last_is_user = true;
1054
1055 thread.update(cx, |thread, cx| {
1056 thread.push_acp_user_block(
1057 message_id,
1058 original_content.into_iter().skip(1),
1059 path_style,
1060 cx,
1061 );
1062 });
1063
1064 for message in prompt.messages {
1065 let context_server::types::PromptMessage { role, content } = message;
1066 let block = mcp_message_content_to_acp_content_block(content);
1067
1068 match role {
1069 context_server::types::Role::User => {
1070 let id = acp_thread::UserMessageId::new();
1071
1072 acp_thread.update(cx, |acp_thread, cx| {
1073 acp_thread.push_user_content_block_with_indent(
1074 Some(id.clone()),
1075 block.clone(),
1076 true,
1077 cx,
1078 );
1079 });
1080
1081 thread.update(cx, |thread, cx| {
1082 thread.push_acp_user_block(id, [block], path_style, cx);
1083 });
1084 }
1085 context_server::types::Role::Assistant => {
1086 acp_thread.update(cx, |acp_thread, cx| {
1087 acp_thread.push_assistant_content_block_with_indent(
1088 block.clone(),
1089 false,
1090 true,
1091 cx,
1092 );
1093 });
1094
1095 thread.update(cx, |thread, cx| {
1096 thread.push_acp_agent_block(block, cx);
1097 });
1098 }
1099 }
1100
1101 last_is_user = role == context_server::types::Role::User;
1102 }
1103
1104 let response_stream = thread.update(cx, |thread, cx| {
1105 if last_is_user {
1106 thread.send_existing(cx)
1107 } else {
1108 // Resume if MCP prompt did not end with a user message
1109 thread.resume(cx)
1110 }
1111 })?;
1112
1113 cx.update(|cx| {
1114 NativeAgentConnection::handle_thread_events(
1115 response_stream,
1116 acp_thread.downgrade(),
1117 cx,
1118 )
1119 })
1120 .await
1121 })
1122 }
1123}
1124
1125/// Wrapper struct that implements the AgentConnection trait
1126#[derive(Clone)]
1127pub struct NativeAgentConnection(pub Entity<NativeAgent>);
1128
1129impl NativeAgentConnection {
1130 pub fn thread(&self, session_id: &acp::SessionId, cx: &App) -> Option<Entity<Thread>> {
1131 self.0
1132 .read(cx)
1133 .sessions
1134 .get(session_id)
1135 .map(|session| session.thread.clone())
1136 }
1137
1138 pub fn load_thread(
1139 &self,
1140 id: acp::SessionId,
1141 project: Entity<Project>,
1142 cx: &mut App,
1143 ) -> Task<Result<Entity<Thread>>> {
1144 self.0
1145 .update(cx, |this, cx| this.load_thread(id, project, cx))
1146 }
1147
1148 fn run_turn(
1149 &self,
1150 session_id: acp::SessionId,
1151 cx: &mut App,
1152 f: impl 'static
1153 + FnOnce(Entity<Thread>, &mut App) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>,
1154 ) -> Task<Result<acp::PromptResponse>> {
1155 let Some((thread, acp_thread)) = self.0.update(cx, |agent, _cx| {
1156 agent
1157 .sessions
1158 .get_mut(&session_id)
1159 .map(|s| (s.thread.clone(), s.acp_thread.clone()))
1160 }) else {
1161 return Task::ready(Err(anyhow!("Session not found")));
1162 };
1163 log::debug!("Found session for: {}", session_id);
1164
1165 let response_stream = match f(thread, cx) {
1166 Ok(stream) => stream,
1167 Err(err) => return Task::ready(Err(err)),
1168 };
1169 Self::handle_thread_events(response_stream, acp_thread.downgrade(), cx)
1170 }
1171
1172 fn handle_thread_events(
1173 mut events: mpsc::UnboundedReceiver<Result<ThreadEvent>>,
1174 acp_thread: WeakEntity<AcpThread>,
1175 cx: &App,
1176 ) -> Task<Result<acp::PromptResponse>> {
1177 cx.spawn(async move |cx| {
1178 // Handle response stream and forward to session.acp_thread
1179 while let Some(result) = events.next().await {
1180 match result {
1181 Ok(event) => {
1182 log::trace!("Received completion event: {:?}", event);
1183
1184 match event {
1185 ThreadEvent::UserMessage(message) => {
1186 acp_thread.update(cx, |thread, cx| {
1187 for content in message.content {
1188 thread.push_user_content_block(
1189 Some(message.id.clone()),
1190 content.into(),
1191 cx,
1192 );
1193 }
1194 })?;
1195 }
1196 ThreadEvent::AgentText(text) => {
1197 acp_thread.update(cx, |thread, cx| {
1198 thread.push_assistant_content_block(text.into(), false, cx)
1199 })?;
1200 }
1201 ThreadEvent::AgentThinking(text) => {
1202 acp_thread.update(cx, |thread, cx| {
1203 thread.push_assistant_content_block(text.into(), true, cx)
1204 })?;
1205 }
1206 ThreadEvent::ToolCallAuthorization(ToolCallAuthorization {
1207 tool_call,
1208 options,
1209 response,
1210 context: _,
1211 }) => {
1212 let outcome_task = acp_thread.update(cx, |thread, cx| {
1213 thread.request_tool_call_authorization(tool_call, options, cx)
1214 })??;
1215 cx.background_spawn(async move {
1216 if let acp_thread::RequestPermissionOutcome::Selected(outcome) =
1217 outcome_task.await
1218 {
1219 response
1220 .send(outcome)
1221 .map(|_| anyhow!("authorization receiver was dropped"))
1222 .log_err();
1223 }
1224 })
1225 .detach();
1226 }
1227 ThreadEvent::ToolCall(tool_call) => {
1228 acp_thread.update(cx, |thread, cx| {
1229 thread.upsert_tool_call(tool_call, cx)
1230 })??;
1231 }
1232 ThreadEvent::ToolCallUpdate(update) => {
1233 acp_thread.update(cx, |thread, cx| {
1234 thread.update_tool_call(update, cx)
1235 })??;
1236 }
1237 ThreadEvent::Plan(plan) => {
1238 acp_thread.update(cx, |thread, cx| thread.update_plan(plan, cx))?;
1239 }
1240 ThreadEvent::SubagentSpawned(session_id) => {
1241 acp_thread.update(cx, |thread, cx| {
1242 thread.subagent_spawned(session_id, cx);
1243 })?;
1244 }
1245 ThreadEvent::Retry(status) => {
1246 acp_thread.update(cx, |thread, cx| {
1247 thread.update_retry_status(status, cx)
1248 })?;
1249 }
1250 ThreadEvent::Stop(stop_reason) => {
1251 log::debug!("Assistant message complete: {:?}", stop_reason);
1252 return Ok(acp::PromptResponse::new(stop_reason));
1253 }
1254 }
1255 }
1256 Err(e) => {
1257 log::error!("Error in model response stream: {:?}", e);
1258 return Err(e);
1259 }
1260 }
1261 }
1262
1263 log::debug!("Response stream completed");
1264 anyhow::Ok(acp::PromptResponse::new(acp::StopReason::EndTurn))
1265 })
1266 }
1267}
1268
1269struct Command<'a> {
1270 prompt_name: &'a str,
1271 arg_value: &'a str,
1272 explicit_server_id: Option<&'a str>,
1273}
1274
1275impl<'a> Command<'a> {
1276 fn parse(prompt: &'a [acp::ContentBlock]) -> Option<Self> {
1277 let acp::ContentBlock::Text(text_content) = prompt.first()? else {
1278 return None;
1279 };
1280 let text = text_content.text.trim();
1281 let command = text.strip_prefix('/')?;
1282 let (command, arg_value) = command
1283 .split_once(char::is_whitespace)
1284 .unwrap_or((command, ""));
1285
1286 if let Some((server_id, prompt_name)) = command.split_once('.') {
1287 Some(Self {
1288 prompt_name,
1289 arg_value,
1290 explicit_server_id: Some(server_id),
1291 })
1292 } else {
1293 Some(Self {
1294 prompt_name: command,
1295 arg_value,
1296 explicit_server_id: None,
1297 })
1298 }
1299 }
1300}
1301
1302struct NativeAgentModelSelector {
1303 session_id: acp::SessionId,
1304 connection: NativeAgentConnection,
1305}
1306
1307impl acp_thread::AgentModelSelector for NativeAgentModelSelector {
1308 fn list_models(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelList>> {
1309 log::debug!("NativeAgentConnection::list_models called");
1310 let list = self.connection.0.read(cx).models.model_list.clone();
1311 Task::ready(if list.is_empty() {
1312 Err(anyhow::anyhow!("No models available"))
1313 } else {
1314 Ok(list)
1315 })
1316 }
1317
1318 fn select_model(&self, model_id: acp::ModelId, cx: &mut App) -> Task<Result<()>> {
1319 log::debug!(
1320 "Setting model for session {}: {}",
1321 self.session_id,
1322 model_id
1323 );
1324 let Some(thread) = self
1325 .connection
1326 .0
1327 .read(cx)
1328 .sessions
1329 .get(&self.session_id)
1330 .map(|session| session.thread.clone())
1331 else {
1332 return Task::ready(Err(anyhow!("Session not found")));
1333 };
1334
1335 let Some(model) = self.connection.0.read(cx).models.model_from_id(&model_id) else {
1336 return Task::ready(Err(anyhow!("Invalid model ID {}", model_id)));
1337 };
1338
1339 // We want to reset the effort level when switching models, as the currently-selected effort level may
1340 // not be compatible.
1341 let effort = model
1342 .default_effort_level()
1343 .map(|effort_level| effort_level.value.to_string());
1344
1345 thread.update(cx, |thread, cx| {
1346 thread.set_model(model.clone(), cx);
1347 thread.set_thinking_effort(effort.clone(), cx);
1348 thread.set_thinking_enabled(model.supports_thinking(), cx);
1349 });
1350
1351 update_settings_file(
1352 self.connection.0.read(cx).fs.clone(),
1353 cx,
1354 move |settings, cx| {
1355 let provider = model.provider_id().0.to_string();
1356 let model = model.id().0.to_string();
1357 let enable_thinking = thread.read(cx).thinking_enabled();
1358 let speed = thread.read(cx).speed();
1359 settings
1360 .agent
1361 .get_or_insert_default()
1362 .set_model(LanguageModelSelection {
1363 provider: provider.into(),
1364 model,
1365 enable_thinking,
1366 effort,
1367 speed,
1368 });
1369 },
1370 );
1371
1372 Task::ready(Ok(()))
1373 }
1374
1375 fn selected_model(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelInfo>> {
1376 let Some(thread) = self
1377 .connection
1378 .0
1379 .read(cx)
1380 .sessions
1381 .get(&self.session_id)
1382 .map(|session| session.thread.clone())
1383 else {
1384 return Task::ready(Err(anyhow!("Session not found")));
1385 };
1386 let Some(model) = thread.read(cx).model() else {
1387 return Task::ready(Err(anyhow!("Model not found")));
1388 };
1389 let Some(provider) = LanguageModelRegistry::read_global(cx).provider(&model.provider_id())
1390 else {
1391 return Task::ready(Err(anyhow!("Provider not found")));
1392 };
1393 Task::ready(Ok(LanguageModels::map_language_model_to_info(
1394 model, &provider,
1395 )))
1396 }
1397
1398 fn watch(&self, cx: &mut App) -> Option<watch::Receiver<()>> {
1399 Some(self.connection.0.read(cx).models.watch())
1400 }
1401
1402 fn should_render_footer(&self) -> bool {
1403 true
1404 }
1405}
1406
1407pub static ZED_AGENT_ID: LazyLock<AgentId> = LazyLock::new(|| AgentId::new("Zed Agent"));
1408
1409impl acp_thread::AgentConnection for NativeAgentConnection {
1410 fn agent_id(&self) -> AgentId {
1411 ZED_AGENT_ID.clone()
1412 }
1413
1414 fn telemetry_id(&self) -> SharedString {
1415 "zed".into()
1416 }
1417
1418 fn new_session(
1419 self: Rc<Self>,
1420 project: Entity<Project>,
1421 work_dirs: PathList,
1422 cx: &mut App,
1423 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1424 log::debug!("Creating new thread for project at: {work_dirs:?}");
1425 Task::ready(Ok(self
1426 .0
1427 .update(cx, |agent, cx| agent.new_session(project, cx))))
1428 }
1429
1430 fn supports_load_session(&self) -> bool {
1431 true
1432 }
1433
1434 fn load_session(
1435 self: Rc<Self>,
1436 session_id: acp::SessionId,
1437 project: Entity<Project>,
1438 _work_dirs: PathList,
1439 _title: Option<SharedString>,
1440 cx: &mut App,
1441 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1442 self.0
1443 .update(cx, |agent, cx| agent.open_thread(session_id, project, cx))
1444 }
1445
1446 fn supports_close_session(&self) -> bool {
1447 true
1448 }
1449
1450 fn close_session(
1451 self: Rc<Self>,
1452 session_id: &acp::SessionId,
1453 cx: &mut App,
1454 ) -> Task<Result<()>> {
1455 self.0.update(cx, |agent, cx| {
1456 let thread = agent.sessions.get(session_id).map(|s| s.thread.clone());
1457 if let Some(thread) = thread {
1458 agent.save_thread(thread, cx);
1459 }
1460
1461 let Some(session) = agent.sessions.remove(session_id) else {
1462 return Task::ready(Ok(()));
1463 };
1464 let project_id = session.project_id;
1465
1466 let has_remaining = agent.sessions.values().any(|s| s.project_id == project_id);
1467 if !has_remaining {
1468 agent.projects.remove(&project_id);
1469 }
1470
1471 session.pending_save
1472 })
1473 }
1474
1475 fn auth_methods(&self) -> &[acp::AuthMethod] {
1476 &[] // No auth for in-process
1477 }
1478
1479 fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
1480 Task::ready(Ok(()))
1481 }
1482
1483 fn model_selector(&self, session_id: &acp::SessionId) -> Option<Rc<dyn AgentModelSelector>> {
1484 Some(Rc::new(NativeAgentModelSelector {
1485 session_id: session_id.clone(),
1486 connection: self.clone(),
1487 }) as Rc<dyn AgentModelSelector>)
1488 }
1489
1490 fn prompt(
1491 &self,
1492 id: Option<acp_thread::UserMessageId>,
1493 params: acp::PromptRequest,
1494 cx: &mut App,
1495 ) -> Task<Result<acp::PromptResponse>> {
1496 let id = id.expect("UserMessageId is required");
1497 let session_id = params.session_id.clone();
1498 log::info!("Received prompt request for session: {}", session_id);
1499 log::debug!("Prompt blocks count: {}", params.prompt.len());
1500
1501 let Some(project_state) = self.0.read(cx).session_project_state(&session_id) else {
1502 return Task::ready(Err(anyhow::anyhow!("Session not found")));
1503 };
1504
1505 if let Some(parsed_command) = Command::parse(¶ms.prompt) {
1506 let registry = project_state.context_server_registry.read(cx);
1507
1508 let explicit_server_id = parsed_command
1509 .explicit_server_id
1510 .map(|server_id| ContextServerId(server_id.into()));
1511
1512 if let Some(prompt) =
1513 registry.find_prompt(explicit_server_id.as_ref(), parsed_command.prompt_name)
1514 {
1515 let arguments = if !parsed_command.arg_value.is_empty()
1516 && let Some(arg_name) = prompt
1517 .prompt
1518 .arguments
1519 .as_ref()
1520 .and_then(|args| args.first())
1521 .map(|arg| arg.name.clone())
1522 {
1523 HashMap::from_iter([(arg_name, parsed_command.arg_value.to_string())])
1524 } else {
1525 Default::default()
1526 };
1527
1528 let prompt_name = prompt.prompt.name.clone();
1529 let server_id = prompt.server_id.clone();
1530
1531 return self.0.update(cx, |agent, cx| {
1532 agent.send_mcp_prompt(
1533 id,
1534 session_id.clone(),
1535 prompt_name,
1536 server_id,
1537 arguments,
1538 params.prompt,
1539 cx,
1540 )
1541 });
1542 }
1543 };
1544
1545 let path_style = project_state.project.read(cx).path_style(cx);
1546
1547 self.run_turn(session_id, cx, move |thread, cx| {
1548 let content: Vec<UserMessageContent> = params
1549 .prompt
1550 .into_iter()
1551 .map(|block| UserMessageContent::from_content_block(block, path_style))
1552 .collect::<Vec<_>>();
1553 log::debug!("Converted prompt to message: {} chars", content.len());
1554 log::debug!("Message id: {:?}", id);
1555 log::debug!("Message content: {:?}", content);
1556
1557 thread.update(cx, |thread, cx| thread.send(id, content, cx))
1558 })
1559 }
1560
1561 fn retry(
1562 &self,
1563 session_id: &acp::SessionId,
1564 _cx: &App,
1565 ) -> Option<Rc<dyn acp_thread::AgentSessionRetry>> {
1566 Some(Rc::new(NativeAgentSessionRetry {
1567 connection: self.clone(),
1568 session_id: session_id.clone(),
1569 }) as _)
1570 }
1571
1572 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
1573 log::info!("Cancelling on session: {}", session_id);
1574 self.0.update(cx, |agent, cx| {
1575 if let Some(session) = agent.sessions.get(session_id) {
1576 session
1577 .thread
1578 .update(cx, |thread, cx| thread.cancel(cx))
1579 .detach();
1580 }
1581 });
1582 }
1583
1584 fn truncate(
1585 &self,
1586 session_id: &acp::SessionId,
1587 cx: &App,
1588 ) -> Option<Rc<dyn acp_thread::AgentSessionTruncate>> {
1589 self.0.read_with(cx, |agent, _cx| {
1590 agent.sessions.get(session_id).map(|session| {
1591 Rc::new(NativeAgentSessionTruncate {
1592 thread: session.thread.clone(),
1593 acp_thread: session.acp_thread.downgrade(),
1594 }) as _
1595 })
1596 })
1597 }
1598
1599 fn set_title(
1600 &self,
1601 session_id: &acp::SessionId,
1602 cx: &App,
1603 ) -> Option<Rc<dyn acp_thread::AgentSessionSetTitle>> {
1604 self.0.read_with(cx, |agent, _cx| {
1605 agent
1606 .sessions
1607 .get(session_id)
1608 .filter(|s| !s.thread.read(cx).is_subagent())
1609 .map(|session| {
1610 Rc::new(NativeAgentSessionSetTitle {
1611 thread: session.thread.clone(),
1612 }) as _
1613 })
1614 })
1615 }
1616
1617 fn session_list(&self, cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
1618 let thread_store = self.0.read(cx).thread_store.clone();
1619 Some(Rc::new(NativeAgentSessionList::new(thread_store, cx)) as _)
1620 }
1621
1622 fn telemetry(&self) -> Option<Rc<dyn acp_thread::AgentTelemetry>> {
1623 Some(Rc::new(self.clone()) as Rc<dyn acp_thread::AgentTelemetry>)
1624 }
1625
1626 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1627 self
1628 }
1629}
1630
1631impl acp_thread::AgentTelemetry for NativeAgentConnection {
1632 fn thread_data(
1633 &self,
1634 session_id: &acp::SessionId,
1635 cx: &mut App,
1636 ) -> Task<Result<serde_json::Value>> {
1637 let Some(session) = self.0.read(cx).sessions.get(session_id) else {
1638 return Task::ready(Err(anyhow!("Session not found")));
1639 };
1640
1641 let task = session.thread.read(cx).to_db(cx);
1642 cx.background_spawn(async move {
1643 serde_json::to_value(task.await).context("Failed to serialize thread")
1644 })
1645 }
1646}
1647
1648pub struct NativeAgentSessionList {
1649 thread_store: Entity<ThreadStore>,
1650 updates_tx: smol::channel::Sender<acp_thread::SessionListUpdate>,
1651 updates_rx: smol::channel::Receiver<acp_thread::SessionListUpdate>,
1652 _subscription: Subscription,
1653}
1654
1655impl NativeAgentSessionList {
1656 fn new(thread_store: Entity<ThreadStore>, cx: &mut App) -> Self {
1657 let (tx, rx) = smol::channel::unbounded();
1658 let this_tx = tx.clone();
1659 let subscription = cx.observe(&thread_store, move |_, _| {
1660 this_tx
1661 .try_send(acp_thread::SessionListUpdate::Refresh)
1662 .ok();
1663 });
1664 Self {
1665 thread_store,
1666 updates_tx: tx,
1667 updates_rx: rx,
1668 _subscription: subscription,
1669 }
1670 }
1671
1672 pub fn thread_store(&self) -> &Entity<ThreadStore> {
1673 &self.thread_store
1674 }
1675}
1676
1677impl AgentSessionList for NativeAgentSessionList {
1678 fn list_sessions(
1679 &self,
1680 _request: AgentSessionListRequest,
1681 cx: &mut App,
1682 ) -> Task<Result<AgentSessionListResponse>> {
1683 let sessions = self
1684 .thread_store
1685 .read(cx)
1686 .entries()
1687 .map(|entry| AgentSessionInfo::from(&entry))
1688 .collect();
1689 Task::ready(Ok(AgentSessionListResponse::new(sessions)))
1690 }
1691
1692 fn supports_delete(&self) -> bool {
1693 true
1694 }
1695
1696 fn delete_session(&self, session_id: &acp::SessionId, cx: &mut App) -> Task<Result<()>> {
1697 self.thread_store
1698 .update(cx, |store, cx| store.delete_thread(session_id.clone(), cx))
1699 }
1700
1701 fn delete_sessions(&self, cx: &mut App) -> Task<Result<()>> {
1702 self.thread_store
1703 .update(cx, |store, cx| store.delete_threads(cx))
1704 }
1705
1706 fn watch(
1707 &self,
1708 _cx: &mut App,
1709 ) -> Option<smol::channel::Receiver<acp_thread::SessionListUpdate>> {
1710 Some(self.updates_rx.clone())
1711 }
1712
1713 fn notify_refresh(&self) {
1714 self.updates_tx
1715 .try_send(acp_thread::SessionListUpdate::Refresh)
1716 .ok();
1717 }
1718
1719 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1720 self
1721 }
1722}
1723
1724struct NativeAgentSessionTruncate {
1725 thread: Entity<Thread>,
1726 acp_thread: WeakEntity<AcpThread>,
1727}
1728
1729impl acp_thread::AgentSessionTruncate for NativeAgentSessionTruncate {
1730 fn run(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
1731 match self.thread.update(cx, |thread, cx| {
1732 thread.truncate(message_id.clone(), cx)?;
1733 Ok(thread.latest_token_usage())
1734 }) {
1735 Ok(usage) => {
1736 self.acp_thread
1737 .update(cx, |thread, cx| {
1738 thread.update_token_usage(usage, cx);
1739 })
1740 .ok();
1741 Task::ready(Ok(()))
1742 }
1743 Err(error) => Task::ready(Err(error)),
1744 }
1745 }
1746}
1747
1748struct NativeAgentSessionRetry {
1749 connection: NativeAgentConnection,
1750 session_id: acp::SessionId,
1751}
1752
1753impl acp_thread::AgentSessionRetry for NativeAgentSessionRetry {
1754 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
1755 self.connection
1756 .run_turn(self.session_id.clone(), cx, |thread, cx| {
1757 thread.update(cx, |thread, cx| thread.resume(cx))
1758 })
1759 }
1760}
1761
1762struct NativeAgentSessionSetTitle {
1763 thread: Entity<Thread>,
1764}
1765
1766impl acp_thread::AgentSessionSetTitle for NativeAgentSessionSetTitle {
1767 fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>> {
1768 self.thread
1769 .update(cx, |thread, cx| thread.set_title(title, cx));
1770 Task::ready(Ok(()))
1771 }
1772}
1773
1774pub struct NativeThreadEnvironment {
1775 agent: WeakEntity<NativeAgent>,
1776 thread: WeakEntity<Thread>,
1777 acp_thread: WeakEntity<AcpThread>,
1778}
1779
1780impl NativeThreadEnvironment {
1781 pub(crate) fn create_subagent_thread(
1782 &self,
1783 label: String,
1784 cx: &mut App,
1785 ) -> Result<Rc<dyn SubagentHandle>> {
1786 let Some(parent_thread_entity) = self.thread.upgrade() else {
1787 anyhow::bail!("Parent thread no longer exists".to_string());
1788 };
1789 let parent_thread = parent_thread_entity.read(cx);
1790 let current_depth = parent_thread.depth();
1791 let parent_session_id = parent_thread.id().clone();
1792
1793 if current_depth >= MAX_SUBAGENT_DEPTH {
1794 return Err(anyhow!(
1795 "Maximum subagent depth ({}) reached",
1796 MAX_SUBAGENT_DEPTH
1797 ));
1798 }
1799
1800 let subagent_thread: Entity<Thread> = cx.new(|cx| {
1801 let mut thread = Thread::new_subagent(&parent_thread_entity, cx);
1802 thread.set_title(label.into(), cx);
1803 thread
1804 });
1805
1806 let session_id = subagent_thread.read(cx).id().clone();
1807
1808 let acp_thread = self
1809 .agent
1810 .update(cx, |agent, cx| -> Result<Entity<AcpThread>> {
1811 let project_id = agent
1812 .sessions
1813 .get(&parent_session_id)
1814 .map(|s| s.project_id)
1815 .context("parent session not found")?;
1816 Ok(agent.register_session(subagent_thread.clone(), project_id, cx))
1817 })??;
1818
1819 let depth = current_depth + 1;
1820
1821 telemetry::event!(
1822 "Subagent Started",
1823 session = parent_thread_entity.read(cx).id().to_string(),
1824 subagent_session = session_id.to_string(),
1825 depth,
1826 is_resumed = false,
1827 );
1828
1829 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1830 }
1831
1832 pub(crate) fn resume_subagent_thread(
1833 &self,
1834 session_id: acp::SessionId,
1835 cx: &mut App,
1836 ) -> Result<Rc<dyn SubagentHandle>> {
1837 let (subagent_thread, acp_thread) = self.agent.update(cx, |agent, _cx| {
1838 let session = agent
1839 .sessions
1840 .get(&session_id)
1841 .ok_or_else(|| anyhow!("No subagent session found with id {session_id}"))?;
1842 anyhow::Ok((session.thread.clone(), session.acp_thread.clone()))
1843 })??;
1844
1845 let depth = subagent_thread.read(cx).depth();
1846
1847 if let Some(parent_thread_entity) = self.thread.upgrade() {
1848 telemetry::event!(
1849 "Subagent Started",
1850 session = parent_thread_entity.read(cx).id().to_string(),
1851 subagent_session = session_id.to_string(),
1852 depth,
1853 is_resumed = true,
1854 );
1855 }
1856
1857 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1858 }
1859
1860 fn prompt_subagent(
1861 &self,
1862 session_id: acp::SessionId,
1863 subagent_thread: Entity<Thread>,
1864 acp_thread: Entity<acp_thread::AcpThread>,
1865 ) -> Result<Rc<dyn SubagentHandle>> {
1866 let Some(parent_thread_entity) = self.thread.upgrade() else {
1867 anyhow::bail!("Parent thread no longer exists".to_string());
1868 };
1869 Ok(Rc::new(NativeSubagentHandle::new(
1870 session_id,
1871 subagent_thread,
1872 acp_thread,
1873 parent_thread_entity,
1874 )) as _)
1875 }
1876}
1877
1878impl ThreadEnvironment for NativeThreadEnvironment {
1879 fn create_terminal(
1880 &self,
1881 command: String,
1882 cwd: Option<PathBuf>,
1883 output_byte_limit: Option<u64>,
1884 cx: &mut AsyncApp,
1885 ) -> Task<Result<Rc<dyn TerminalHandle>>> {
1886 let task = self.acp_thread.update(cx, |thread, cx| {
1887 thread.create_terminal(command, vec![], vec![], cwd, output_byte_limit, cx)
1888 });
1889
1890 let acp_thread = self.acp_thread.clone();
1891 cx.spawn(async move |cx| {
1892 let terminal = task?.await?;
1893
1894 let (drop_tx, drop_rx) = oneshot::channel();
1895 let terminal_id = terminal.read_with(cx, |terminal, _cx| terminal.id().clone());
1896
1897 cx.spawn(async move |cx| {
1898 drop_rx.await.ok();
1899 acp_thread.update(cx, |thread, cx| thread.release_terminal(terminal_id, cx))
1900 })
1901 .detach();
1902
1903 let handle = AcpTerminalHandle {
1904 terminal,
1905 _drop_tx: Some(drop_tx),
1906 };
1907
1908 Ok(Rc::new(handle) as _)
1909 })
1910 }
1911
1912 fn create_subagent(&self, label: String, cx: &mut App) -> Result<Rc<dyn SubagentHandle>> {
1913 self.create_subagent_thread(label, cx)
1914 }
1915
1916 fn resume_subagent(
1917 &self,
1918 session_id: acp::SessionId,
1919 cx: &mut App,
1920 ) -> Result<Rc<dyn SubagentHandle>> {
1921 self.resume_subagent_thread(session_id, cx)
1922 }
1923}
1924
1925#[derive(Debug, Clone)]
1926enum SubagentPromptResult {
1927 Completed,
1928 Cancelled,
1929 ContextWindowWarning,
1930 Error(String),
1931}
1932
1933pub struct NativeSubagentHandle {
1934 session_id: acp::SessionId,
1935 parent_thread: WeakEntity<Thread>,
1936 subagent_thread: Entity<Thread>,
1937 acp_thread: Entity<acp_thread::AcpThread>,
1938}
1939
1940impl NativeSubagentHandle {
1941 fn new(
1942 session_id: acp::SessionId,
1943 subagent_thread: Entity<Thread>,
1944 acp_thread: Entity<acp_thread::AcpThread>,
1945 parent_thread_entity: Entity<Thread>,
1946 ) -> Self {
1947 NativeSubagentHandle {
1948 session_id,
1949 subagent_thread,
1950 parent_thread: parent_thread_entity.downgrade(),
1951 acp_thread,
1952 }
1953 }
1954}
1955
1956impl SubagentHandle for NativeSubagentHandle {
1957 fn id(&self) -> acp::SessionId {
1958 self.session_id.clone()
1959 }
1960
1961 fn num_entries(&self, cx: &App) -> usize {
1962 self.acp_thread.read(cx).entries().len()
1963 }
1964
1965 fn send(&self, message: String, cx: &AsyncApp) -> Task<Result<String>> {
1966 let thread = self.subagent_thread.clone();
1967 let acp_thread = self.acp_thread.clone();
1968 let subagent_session_id = self.session_id.clone();
1969 let parent_thread = self.parent_thread.clone();
1970
1971 cx.spawn(async move |cx| {
1972 let (task, _subscription) = cx.update(|cx| {
1973 let ratio_before_prompt = thread
1974 .read(cx)
1975 .latest_token_usage()
1976 .map(|usage| usage.ratio());
1977
1978 parent_thread
1979 .update(cx, |parent_thread, _cx| {
1980 parent_thread.register_running_subagent(thread.downgrade())
1981 })
1982 .ok();
1983
1984 let task = acp_thread.update(cx, |acp_thread, cx| {
1985 acp_thread.send(vec![message.into()], cx)
1986 });
1987
1988 let (token_limit_tx, token_limit_rx) = oneshot::channel::<()>();
1989 let mut token_limit_tx = Some(token_limit_tx);
1990
1991 let subscription = cx.subscribe(
1992 &thread,
1993 move |_thread, event: &TokenUsageUpdated, _cx| {
1994 if let Some(usage) = &event.0 {
1995 let old_ratio = ratio_before_prompt
1996 .clone()
1997 .unwrap_or(TokenUsageRatio::Normal);
1998 let new_ratio = usage.ratio();
1999 if old_ratio == TokenUsageRatio::Normal
2000 && new_ratio == TokenUsageRatio::Warning
2001 {
2002 if let Some(tx) = token_limit_tx.take() {
2003 tx.send(()).ok();
2004 }
2005 }
2006 }
2007 },
2008 );
2009
2010 let wait_for_prompt = cx
2011 .background_spawn(async move {
2012 futures::select! {
2013 response = task.fuse() => match response {
2014 Ok(Some(response)) => {
2015 match response.stop_reason {
2016 acp::StopReason::Cancelled => SubagentPromptResult::Cancelled,
2017 acp::StopReason::MaxTokens => SubagentPromptResult::Error("The agent reached the maximum number of tokens.".into()),
2018 acp::StopReason::MaxTurnRequests => SubagentPromptResult::Error("The agent reached the maximum number of allowed requests between user turns. Try prompting again.".into()),
2019 acp::StopReason::Refusal => SubagentPromptResult::Error("The agent refused to process that prompt. Try again.".into()),
2020 acp::StopReason::EndTurn | _ => SubagentPromptResult::Completed,
2021 }
2022 }
2023 Ok(None) => SubagentPromptResult::Error("No response from the agent. You can try messaging again.".into()),
2024 Err(error) => SubagentPromptResult::Error(error.to_string()),
2025 },
2026 _ = token_limit_rx.fuse() => SubagentPromptResult::ContextWindowWarning,
2027 }
2028 });
2029
2030 (wait_for_prompt, subscription)
2031 });
2032
2033 let result = match task.await {
2034 SubagentPromptResult::Completed => thread.read_with(cx, |thread, _cx| {
2035 thread
2036 .last_message()
2037 .and_then(|message| {
2038 let content = message.as_agent_message()?
2039 .content
2040 .iter()
2041 .filter_map(|c| match c {
2042 AgentMessageContent::Text(text) => Some(text.as_str()),
2043 _ => None,
2044 })
2045 .join("\n\n");
2046 if content.is_empty() {
2047 None
2048 } else {
2049 Some( content)
2050 }
2051 })
2052 .context("No response from subagent")
2053 }),
2054 SubagentPromptResult::Cancelled => Err(anyhow!("User canceled")),
2055 SubagentPromptResult::Error(message) => Err(anyhow!("{message}")),
2056 SubagentPromptResult::ContextWindowWarning => {
2057 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
2058 Err(anyhow!(
2059 "The agent is nearing the end of its context window and has been \
2060 stopped. You can prompt the thread again to have the agent wrap up \
2061 or hand off its work."
2062 ))
2063 }
2064 };
2065
2066 parent_thread
2067 .update(cx, |parent_thread, cx| {
2068 parent_thread.unregister_running_subagent(&subagent_session_id, cx)
2069 })
2070 .ok();
2071
2072 result
2073 })
2074 }
2075}
2076
2077pub struct AcpTerminalHandle {
2078 terminal: Entity<acp_thread::Terminal>,
2079 _drop_tx: Option<oneshot::Sender<()>>,
2080}
2081
2082impl TerminalHandle for AcpTerminalHandle {
2083 fn id(&self, cx: &AsyncApp) -> Result<acp::TerminalId> {
2084 Ok(self.terminal.read_with(cx, |term, _cx| term.id().clone()))
2085 }
2086
2087 fn wait_for_exit(&self, cx: &AsyncApp) -> Result<Shared<Task<acp::TerminalExitStatus>>> {
2088 Ok(self
2089 .terminal
2090 .read_with(cx, |term, _cx| term.wait_for_exit()))
2091 }
2092
2093 fn current_output(&self, cx: &AsyncApp) -> Result<acp::TerminalOutputResponse> {
2094 Ok(self
2095 .terminal
2096 .read_with(cx, |term, cx| term.current_output(cx)))
2097 }
2098
2099 fn kill(&self, cx: &AsyncApp) -> Result<()> {
2100 cx.update(|cx| {
2101 self.terminal.update(cx, |terminal, cx| {
2102 terminal.kill(cx);
2103 });
2104 });
2105 Ok(())
2106 }
2107
2108 fn was_stopped_by_user(&self, cx: &AsyncApp) -> Result<bool> {
2109 Ok(self
2110 .terminal
2111 .read_with(cx, |term, _cx| term.was_stopped_by_user()))
2112 }
2113}
2114
2115#[cfg(test)]
2116mod internal_tests {
2117 use std::path::Path;
2118
2119 use super::*;
2120 use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelInfo, MentionUri};
2121 use fs::FakeFs;
2122 use gpui::TestAppContext;
2123 use indoc::formatdoc;
2124 use language_model::fake_provider::{FakeLanguageModel, FakeLanguageModelProvider};
2125 use language_model::{
2126 LanguageModelCompletionEvent, LanguageModelProviderId, LanguageModelProviderName,
2127 };
2128 use serde_json::json;
2129 use settings::SettingsStore;
2130 use util::{path, rel_path::rel_path};
2131
2132 #[gpui::test]
2133 async fn test_maintaining_project_context(cx: &mut TestAppContext) {
2134 init_test(cx);
2135 let fs = FakeFs::new(cx.executor());
2136 fs.insert_tree(
2137 "/",
2138 json!({
2139 "a": {}
2140 }),
2141 )
2142 .await;
2143 let project = Project::test(fs.clone(), [], cx).await;
2144 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2145 let agent =
2146 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2147
2148 // Creating a session registers the project and triggers context building.
2149 let connection = NativeAgentConnection(agent.clone());
2150 let _acp_thread = cx
2151 .update(|cx| {
2152 Rc::new(connection).new_session(
2153 project.clone(),
2154 PathList::new(&[Path::new("/")]),
2155 cx,
2156 )
2157 })
2158 .await
2159 .unwrap();
2160 cx.run_until_parked();
2161
2162 let thread = agent.read_with(cx, |agent, _cx| {
2163 agent.sessions.values().next().unwrap().thread.clone()
2164 });
2165
2166 agent.read_with(cx, |agent, cx| {
2167 let project_id = project.entity_id();
2168 let state = agent.projects.get(&project_id).unwrap();
2169 assert_eq!(state.project_context.read(cx).worktrees, vec![]);
2170 assert_eq!(thread.read(cx).project_context().read(cx).worktrees, vec![]);
2171 });
2172
2173 let worktree = project
2174 .update(cx, |project, cx| project.create_worktree("/a", true, cx))
2175 .await
2176 .unwrap();
2177 cx.run_until_parked();
2178 agent.read_with(cx, |agent, cx| {
2179 let project_id = project.entity_id();
2180 let state = agent.projects.get(&project_id).unwrap();
2181 let expected_worktrees = vec![WorktreeContext {
2182 root_name: "a".into(),
2183 abs_path: Path::new("/a").into(),
2184 rules_file: None,
2185 }];
2186 assert_eq!(state.project_context.read(cx).worktrees, expected_worktrees);
2187 assert_eq!(
2188 thread.read(cx).project_context().read(cx).worktrees,
2189 expected_worktrees
2190 );
2191 });
2192
2193 // Creating `/a/.rules` updates the project context.
2194 fs.insert_file("/a/.rules", Vec::new()).await;
2195 cx.run_until_parked();
2196 agent.read_with(cx, |agent, cx| {
2197 let project_id = project.entity_id();
2198 let state = agent.projects.get(&project_id).unwrap();
2199 let rules_entry = worktree
2200 .read(cx)
2201 .entry_for_path(rel_path(".rules"))
2202 .unwrap();
2203 let expected_worktrees = vec![WorktreeContext {
2204 root_name: "a".into(),
2205 abs_path: Path::new("/a").into(),
2206 rules_file: Some(RulesFileContext {
2207 path_in_worktree: rel_path(".rules").into(),
2208 text: "".into(),
2209 project_entry_id: rules_entry.id.to_usize(),
2210 }),
2211 }];
2212 assert_eq!(state.project_context.read(cx).worktrees, expected_worktrees);
2213 assert_eq!(
2214 thread.read(cx).project_context().read(cx).worktrees,
2215 expected_worktrees
2216 );
2217 });
2218 }
2219
2220 #[gpui::test]
2221 async fn test_listing_models(cx: &mut TestAppContext) {
2222 init_test(cx);
2223 let fs = FakeFs::new(cx.executor());
2224 fs.insert_tree("/", json!({ "a": {} })).await;
2225 let project = Project::test(fs.clone(), [], cx).await;
2226 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2227 let connection =
2228 NativeAgentConnection(cx.update(|cx| {
2229 NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx)
2230 }));
2231
2232 // Create a thread/session
2233 let acp_thread = cx
2234 .update(|cx| {
2235 Rc::new(connection.clone()).new_session(
2236 project.clone(),
2237 PathList::new(&[Path::new("/a")]),
2238 cx,
2239 )
2240 })
2241 .await
2242 .unwrap();
2243
2244 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2245
2246 let models = cx
2247 .update(|cx| {
2248 connection
2249 .model_selector(&session_id)
2250 .unwrap()
2251 .list_models(cx)
2252 })
2253 .await
2254 .unwrap();
2255
2256 let acp_thread::AgentModelList::Grouped(models) = models else {
2257 panic!("Unexpected model group");
2258 };
2259 assert_eq!(
2260 models,
2261 IndexMap::from_iter([(
2262 AgentModelGroupName("Fake".into()),
2263 vec![AgentModelInfo {
2264 id: acp::ModelId::new("fake/fake"),
2265 name: "Fake".into(),
2266 description: None,
2267 icon: Some(acp_thread::AgentModelIcon::Named(
2268 ui::IconName::ZedAssistant
2269 )),
2270 is_latest: false,
2271 cost: None,
2272 }]
2273 )])
2274 );
2275 }
2276
2277 #[gpui::test]
2278 async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
2279 init_test(cx);
2280 let fs = FakeFs::new(cx.executor());
2281 fs.create_dir(paths::settings_file().parent().unwrap())
2282 .await
2283 .unwrap();
2284 fs.insert_file(
2285 paths::settings_file(),
2286 json!({
2287 "agent": {
2288 "default_model": {
2289 "provider": "foo",
2290 "model": "bar"
2291 }
2292 }
2293 })
2294 .to_string()
2295 .into_bytes(),
2296 )
2297 .await;
2298 let project = Project::test(fs.clone(), [], cx).await;
2299
2300 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2301
2302 // Create the agent and connection
2303 let agent =
2304 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2305 let connection = NativeAgentConnection(agent.clone());
2306
2307 // Create a thread/session
2308 let acp_thread = cx
2309 .update(|cx| {
2310 Rc::new(connection.clone()).new_session(
2311 project.clone(),
2312 PathList::new(&[Path::new("/a")]),
2313 cx,
2314 )
2315 })
2316 .await
2317 .unwrap();
2318
2319 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2320
2321 // Select a model
2322 let selector = connection.model_selector(&session_id).unwrap();
2323 let model_id = acp::ModelId::new("fake/fake");
2324 cx.update(|cx| selector.select_model(model_id.clone(), cx))
2325 .await
2326 .unwrap();
2327
2328 // Verify the thread has the selected model
2329 agent.read_with(cx, |agent, _| {
2330 let session = agent.sessions.get(&session_id).unwrap();
2331 session.thread.read_with(cx, |thread, _| {
2332 assert_eq!(thread.model().unwrap().id().0, "fake");
2333 });
2334 });
2335
2336 cx.run_until_parked();
2337
2338 // Verify settings file was updated
2339 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2340 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2341
2342 // Check that the agent settings contain the selected model
2343 assert_eq!(
2344 settings_json["agent"]["default_model"]["model"],
2345 json!("fake")
2346 );
2347 assert_eq!(
2348 settings_json["agent"]["default_model"]["provider"],
2349 json!("fake")
2350 );
2351
2352 // Register a thinking model and select it.
2353 cx.update(|cx| {
2354 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2355 "fake-corp",
2356 "fake-thinking",
2357 "Fake Thinking",
2358 true,
2359 ));
2360 let thinking_provider = Arc::new(
2361 FakeLanguageModelProvider::new(
2362 LanguageModelProviderId::from("fake-corp".to_string()),
2363 LanguageModelProviderName::from("Fake Corp".to_string()),
2364 )
2365 .with_models(vec![thinking_model]),
2366 );
2367 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2368 registry.register_provider(thinking_provider, cx);
2369 });
2370 });
2371 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2372
2373 let selector = connection.model_selector(&session_id).unwrap();
2374 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2375 .await
2376 .unwrap();
2377 cx.run_until_parked();
2378
2379 // Verify enable_thinking was written to settings as true.
2380 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2381 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2382 assert_eq!(
2383 settings_json["agent"]["default_model"]["enable_thinking"],
2384 json!(true),
2385 "selecting a thinking model should persist enable_thinking: true to settings"
2386 );
2387 }
2388
2389 #[gpui::test]
2390 async fn test_select_model_updates_thinking_enabled(cx: &mut TestAppContext) {
2391 init_test(cx);
2392 let fs = FakeFs::new(cx.executor());
2393 fs.create_dir(paths::settings_file().parent().unwrap())
2394 .await
2395 .unwrap();
2396 fs.insert_file(paths::settings_file(), b"{}".to_vec()).await;
2397 let project = Project::test(fs.clone(), [], cx).await;
2398
2399 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2400 let agent =
2401 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2402 let connection = NativeAgentConnection(agent.clone());
2403
2404 let acp_thread = cx
2405 .update(|cx| {
2406 Rc::new(connection.clone()).new_session(
2407 project.clone(),
2408 PathList::new(&[Path::new("/a")]),
2409 cx,
2410 )
2411 })
2412 .await
2413 .unwrap();
2414 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2415
2416 // Register a second provider with a thinking model.
2417 cx.update(|cx| {
2418 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2419 "fake-corp",
2420 "fake-thinking",
2421 "Fake Thinking",
2422 true,
2423 ));
2424 let thinking_provider = Arc::new(
2425 FakeLanguageModelProvider::new(
2426 LanguageModelProviderId::from("fake-corp".to_string()),
2427 LanguageModelProviderName::from("Fake Corp".to_string()),
2428 )
2429 .with_models(vec![thinking_model]),
2430 );
2431 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2432 registry.register_provider(thinking_provider, cx);
2433 });
2434 });
2435 // Refresh the agent's model list so it picks up the new provider.
2436 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2437
2438 // Thread starts with thinking_enabled = false (the default).
2439 agent.read_with(cx, |agent, _| {
2440 let session = agent.sessions.get(&session_id).unwrap();
2441 session.thread.read_with(cx, |thread, _| {
2442 assert!(!thread.thinking_enabled(), "thinking defaults to false");
2443 });
2444 });
2445
2446 // Select the thinking model via select_model.
2447 let selector = connection.model_selector(&session_id).unwrap();
2448 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2449 .await
2450 .unwrap();
2451
2452 // select_model should have enabled thinking based on the model's supports_thinking().
2453 agent.read_with(cx, |agent, _| {
2454 let session = agent.sessions.get(&session_id).unwrap();
2455 session.thread.read_with(cx, |thread, _| {
2456 assert!(
2457 thread.thinking_enabled(),
2458 "select_model should enable thinking when model supports it"
2459 );
2460 });
2461 });
2462
2463 // Switch back to the non-thinking model.
2464 let selector = connection.model_selector(&session_id).unwrap();
2465 cx.update(|cx| selector.select_model(acp::ModelId::new("fake/fake"), cx))
2466 .await
2467 .unwrap();
2468
2469 // select_model should have disabled thinking.
2470 agent.read_with(cx, |agent, _| {
2471 let session = agent.sessions.get(&session_id).unwrap();
2472 session.thread.read_with(cx, |thread, _| {
2473 assert!(
2474 !thread.thinking_enabled(),
2475 "select_model should disable thinking when model does not support it"
2476 );
2477 });
2478 });
2479 }
2480
2481 #[gpui::test]
2482 async fn test_summarization_model_survives_transient_registry_clearing(
2483 cx: &mut TestAppContext,
2484 ) {
2485 init_test(cx);
2486 let fs = FakeFs::new(cx.executor());
2487 fs.insert_tree("/", json!({ "a": {} })).await;
2488 let project = Project::test(fs.clone(), [], cx).await;
2489
2490 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2491 let agent =
2492 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2493 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2494
2495 let acp_thread = cx
2496 .update(|cx| {
2497 connection.clone().new_session(
2498 project.clone(),
2499 PathList::new(&[Path::new("/a")]),
2500 cx,
2501 )
2502 })
2503 .await
2504 .unwrap();
2505 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2506
2507 let thread = agent.read_with(cx, |agent, _| {
2508 agent.sessions.get(&session_id).unwrap().thread.clone()
2509 });
2510
2511 thread.read_with(cx, |thread, _| {
2512 assert!(
2513 thread.summarization_model().is_some(),
2514 "session should have a summarization model from the test registry"
2515 );
2516 });
2517
2518 // Simulate what happens during a provider blip:
2519 // update_active_language_model_from_settings calls set_default_model(None)
2520 // when it can't resolve the model, clearing all fallbacks.
2521 cx.update(|cx| {
2522 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2523 registry.set_default_model(None, cx);
2524 });
2525 });
2526 cx.run_until_parked();
2527
2528 thread.read_with(cx, |thread, _| {
2529 assert!(
2530 thread.summarization_model().is_some(),
2531 "summarization model should survive a transient default model clearing"
2532 );
2533 });
2534 }
2535
2536 #[gpui::test]
2537 async fn test_loaded_thread_preserves_thinking_enabled(cx: &mut TestAppContext) {
2538 init_test(cx);
2539 let fs = FakeFs::new(cx.executor());
2540 fs.insert_tree("/", json!({ "a": {} })).await;
2541 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2542 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2543 let agent = cx.update(|cx| {
2544 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2545 });
2546 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2547
2548 // Register a thinking model.
2549 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2550 "fake-corp",
2551 "fake-thinking",
2552 "Fake Thinking",
2553 true,
2554 ));
2555 let thinking_provider = Arc::new(
2556 FakeLanguageModelProvider::new(
2557 LanguageModelProviderId::from("fake-corp".to_string()),
2558 LanguageModelProviderName::from("Fake Corp".to_string()),
2559 )
2560 .with_models(vec![thinking_model.clone()]),
2561 );
2562 cx.update(|cx| {
2563 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2564 registry.register_provider(thinking_provider, cx);
2565 });
2566 });
2567 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2568
2569 // Create a thread and select the thinking model.
2570 let acp_thread = cx
2571 .update(|cx| {
2572 connection.clone().new_session(
2573 project.clone(),
2574 PathList::new(&[Path::new("/a")]),
2575 cx,
2576 )
2577 })
2578 .await
2579 .unwrap();
2580 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2581
2582 let selector = connection.model_selector(&session_id).unwrap();
2583 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2584 .await
2585 .unwrap();
2586
2587 // Verify thinking is enabled after selecting the thinking model.
2588 let thread = agent.read_with(cx, |agent, _| {
2589 agent.sessions.get(&session_id).unwrap().thread.clone()
2590 });
2591 thread.read_with(cx, |thread, _| {
2592 assert!(
2593 thread.thinking_enabled(),
2594 "thinking should be enabled after selecting thinking model"
2595 );
2596 });
2597
2598 // Send a message so the thread gets persisted.
2599 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2600 let send = cx.foreground_executor().spawn(send);
2601 cx.run_until_parked();
2602
2603 thinking_model.send_last_completion_stream_text_chunk("Response.");
2604 thinking_model.end_last_completion_stream();
2605
2606 send.await.unwrap();
2607 cx.run_until_parked();
2608
2609 // Close the session so it can be reloaded from disk.
2610 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2611 .await
2612 .unwrap();
2613 drop(thread);
2614 drop(acp_thread);
2615 agent.read_with(cx, |agent, _| {
2616 assert!(agent.sessions.is_empty());
2617 });
2618
2619 // Reload the thread and verify thinking_enabled is still true.
2620 let reloaded_acp_thread = agent
2621 .update(cx, |agent, cx| {
2622 agent.open_thread(session_id.clone(), project.clone(), cx)
2623 })
2624 .await
2625 .unwrap();
2626 let reloaded_thread = agent.read_with(cx, |agent, _| {
2627 agent.sessions.get(&session_id).unwrap().thread.clone()
2628 });
2629 reloaded_thread.read_with(cx, |thread, _| {
2630 assert!(
2631 thread.thinking_enabled(),
2632 "thinking_enabled should be preserved when reloading a thread with a thinking model"
2633 );
2634 });
2635
2636 drop(reloaded_acp_thread);
2637 }
2638
2639 #[gpui::test]
2640 async fn test_loaded_thread_preserves_model(cx: &mut TestAppContext) {
2641 init_test(cx);
2642 let fs = FakeFs::new(cx.executor());
2643 fs.insert_tree("/", json!({ "a": {} })).await;
2644 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2645 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2646 let agent = cx.update(|cx| {
2647 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2648 });
2649 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2650
2651 // Register a model where id() != name(), like real Anthropic models
2652 // (e.g. id="claude-sonnet-4-5-thinking-latest", name="Claude Sonnet 4.5 Thinking").
2653 let model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2654 "fake-corp",
2655 "custom-model-id",
2656 "Custom Model Display Name",
2657 false,
2658 ));
2659 let provider = Arc::new(
2660 FakeLanguageModelProvider::new(
2661 LanguageModelProviderId::from("fake-corp".to_string()),
2662 LanguageModelProviderName::from("Fake Corp".to_string()),
2663 )
2664 .with_models(vec![model.clone()]),
2665 );
2666 cx.update(|cx| {
2667 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2668 registry.register_provider(provider, cx);
2669 });
2670 });
2671 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2672
2673 // Create a thread and select the model.
2674 let acp_thread = cx
2675 .update(|cx| {
2676 connection.clone().new_session(
2677 project.clone(),
2678 PathList::new(&[Path::new("/a")]),
2679 cx,
2680 )
2681 })
2682 .await
2683 .unwrap();
2684 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2685
2686 let selector = connection.model_selector(&session_id).unwrap();
2687 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/custom-model-id"), cx))
2688 .await
2689 .unwrap();
2690
2691 let thread = agent.read_with(cx, |agent, _| {
2692 agent.sessions.get(&session_id).unwrap().thread.clone()
2693 });
2694 thread.read_with(cx, |thread, _| {
2695 assert_eq!(
2696 thread.model().unwrap().id().0.as_ref(),
2697 "custom-model-id",
2698 "model should be set before persisting"
2699 );
2700 });
2701
2702 // Send a message so the thread gets persisted.
2703 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2704 let send = cx.foreground_executor().spawn(send);
2705 cx.run_until_parked();
2706
2707 model.send_last_completion_stream_text_chunk("Response.");
2708 model.end_last_completion_stream();
2709
2710 send.await.unwrap();
2711 cx.run_until_parked();
2712
2713 // Close the session so it can be reloaded from disk.
2714 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2715 .await
2716 .unwrap();
2717 drop(thread);
2718 drop(acp_thread);
2719 agent.read_with(cx, |agent, _| {
2720 assert!(agent.sessions.is_empty());
2721 });
2722
2723 // Reload the thread and verify the model was preserved.
2724 let reloaded_acp_thread = agent
2725 .update(cx, |agent, cx| {
2726 agent.open_thread(session_id.clone(), project.clone(), cx)
2727 })
2728 .await
2729 .unwrap();
2730 let reloaded_thread = agent.read_with(cx, |agent, _| {
2731 agent.sessions.get(&session_id).unwrap().thread.clone()
2732 });
2733 reloaded_thread.read_with(cx, |thread, _| {
2734 let reloaded_model = thread
2735 .model()
2736 .expect("model should be present after reload");
2737 assert_eq!(
2738 reloaded_model.id().0.as_ref(),
2739 "custom-model-id",
2740 "reloaded thread should have the same model, not fall back to the default"
2741 );
2742 });
2743
2744 drop(reloaded_acp_thread);
2745 }
2746
2747 #[gpui::test]
2748 async fn test_save_load_thread(cx: &mut TestAppContext) {
2749 init_test(cx);
2750 let fs = FakeFs::new(cx.executor());
2751 fs.insert_tree(
2752 "/",
2753 json!({
2754 "a": {
2755 "b.md": "Lorem"
2756 }
2757 }),
2758 )
2759 .await;
2760 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2761 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2762 let agent = cx.update(|cx| {
2763 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2764 });
2765 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2766
2767 let acp_thread = cx
2768 .update(|cx| {
2769 connection
2770 .clone()
2771 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
2772 })
2773 .await
2774 .unwrap();
2775 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2776 let thread = agent.read_with(cx, |agent, _| {
2777 agent.sessions.get(&session_id).unwrap().thread.clone()
2778 });
2779
2780 // Ensure empty threads are not saved, even if they get mutated.
2781 let model = Arc::new(FakeLanguageModel::default());
2782 let summary_model = Arc::new(FakeLanguageModel::default());
2783 thread.update(cx, |thread, cx| {
2784 thread.set_model(model.clone(), cx);
2785 thread.set_summarization_model(Some(summary_model.clone()), cx);
2786 });
2787 cx.run_until_parked();
2788 assert_eq!(thread_entries(&thread_store, cx), vec![]);
2789
2790 let send = acp_thread.update(cx, |thread, cx| {
2791 thread.send(
2792 vec![
2793 "What does ".into(),
2794 acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
2795 "b.md",
2796 MentionUri::File {
2797 abs_path: path!("/a/b.md").into(),
2798 }
2799 .to_uri()
2800 .to_string(),
2801 )),
2802 " mean?".into(),
2803 ],
2804 cx,
2805 )
2806 });
2807 let send = cx.foreground_executor().spawn(send);
2808 cx.run_until_parked();
2809
2810 model.send_last_completion_stream_text_chunk("Lorem.");
2811 model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
2812 language_model::TokenUsage {
2813 input_tokens: 150,
2814 output_tokens: 75,
2815 ..Default::default()
2816 },
2817 ));
2818 model.end_last_completion_stream();
2819 cx.run_until_parked();
2820 summary_model
2821 .send_last_completion_stream_text_chunk(&format!("Explaining {}", path!("/a/b.md")));
2822 summary_model.end_last_completion_stream();
2823
2824 send.await.unwrap();
2825 let uri = MentionUri::File {
2826 abs_path: path!("/a/b.md").into(),
2827 }
2828 .to_uri();
2829 acp_thread.read_with(cx, |thread, cx| {
2830 assert_eq!(
2831 thread.to_markdown(cx),
2832 formatdoc! {"
2833 ## User
2834
2835 What does [@b.md]({uri}) mean?
2836
2837 ## Assistant
2838
2839 Lorem.
2840
2841 "}
2842 )
2843 });
2844
2845 cx.run_until_parked();
2846
2847 // Set a draft prompt with rich content blocks and scroll position
2848 // AFTER run_until_parked, so the only save that captures these
2849 // changes is the one performed by close_session itself.
2850 let draft_blocks = vec![
2851 acp::ContentBlock::Text(acp::TextContent::new("Check out ")),
2852 acp::ContentBlock::ResourceLink(acp::ResourceLink::new("b.md", uri.to_string())),
2853 acp::ContentBlock::Text(acp::TextContent::new(" please")),
2854 ];
2855 acp_thread.update(cx, |thread, _cx| {
2856 thread.set_draft_prompt(Some(draft_blocks.clone()));
2857 });
2858 thread.update(cx, |thread, _cx| {
2859 thread.set_ui_scroll_position(Some(gpui::ListOffset {
2860 item_ix: 5,
2861 offset_in_item: gpui::px(12.5),
2862 }));
2863 });
2864
2865 // Close the session so it can be reloaded from disk.
2866 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2867 .await
2868 .unwrap();
2869 drop(thread);
2870 drop(acp_thread);
2871 agent.read_with(cx, |agent, _| {
2872 assert_eq!(agent.sessions.keys().cloned().collect::<Vec<_>>(), []);
2873 });
2874
2875 // Ensure the thread can be reloaded from disk.
2876 assert_eq!(
2877 thread_entries(&thread_store, cx),
2878 vec![(
2879 session_id.clone(),
2880 format!("Explaining {}", path!("/a/b.md"))
2881 )]
2882 );
2883 let acp_thread = agent
2884 .update(cx, |agent, cx| {
2885 agent.open_thread(session_id.clone(), project.clone(), cx)
2886 })
2887 .await
2888 .unwrap();
2889 acp_thread.read_with(cx, |thread, cx| {
2890 assert_eq!(
2891 thread.to_markdown(cx),
2892 formatdoc! {"
2893 ## User
2894
2895 What does [@b.md]({uri}) mean?
2896
2897 ## Assistant
2898
2899 Lorem.
2900
2901 "}
2902 )
2903 });
2904
2905 // Ensure the draft prompt with rich content blocks survived the round-trip.
2906 acp_thread.read_with(cx, |thread, _| {
2907 assert_eq!(thread.draft_prompt(), Some(draft_blocks.as_slice()));
2908 });
2909
2910 // Ensure token usage survived the round-trip.
2911 acp_thread.read_with(cx, |thread, _| {
2912 let usage = thread
2913 .token_usage()
2914 .expect("token usage should be restored after reload");
2915 assert_eq!(usage.input_tokens, 150);
2916 assert_eq!(usage.output_tokens, 75);
2917 });
2918
2919 // Ensure scroll position survived the round-trip.
2920 acp_thread.read_with(cx, |thread, _| {
2921 let scroll = thread
2922 .ui_scroll_position()
2923 .expect("scroll position should be restored after reload");
2924 assert_eq!(scroll.item_ix, 5);
2925 assert_eq!(scroll.offset_in_item, gpui::px(12.5));
2926 });
2927 }
2928
2929 #[gpui::test]
2930 async fn test_close_session_saves_thread(cx: &mut TestAppContext) {
2931 init_test(cx);
2932 let fs = FakeFs::new(cx.executor());
2933 fs.insert_tree(
2934 "/",
2935 json!({
2936 "a": {
2937 "file.txt": "hello"
2938 }
2939 }),
2940 )
2941 .await;
2942 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2943 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2944 let agent = cx.update(|cx| {
2945 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2946 });
2947 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2948
2949 let acp_thread = cx
2950 .update(|cx| {
2951 connection
2952 .clone()
2953 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
2954 })
2955 .await
2956 .unwrap();
2957 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2958 let thread = agent.read_with(cx, |agent, _| {
2959 agent.sessions.get(&session_id).unwrap().thread.clone()
2960 });
2961
2962 let model = Arc::new(FakeLanguageModel::default());
2963 thread.update(cx, |thread, cx| {
2964 thread.set_model(model.clone(), cx);
2965 });
2966
2967 // Send a message so the thread is non-empty (empty threads aren't saved).
2968 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx));
2969 let send = cx.foreground_executor().spawn(send);
2970 cx.run_until_parked();
2971
2972 model.send_last_completion_stream_text_chunk("world");
2973 model.end_last_completion_stream();
2974 send.await.unwrap();
2975 cx.run_until_parked();
2976
2977 // Set a draft prompt WITHOUT calling run_until_parked afterwards.
2978 // This means no observe-triggered save has run for this change.
2979 // The only way this data gets persisted is if close_session
2980 // itself performs the save.
2981 let draft_blocks = vec![acp::ContentBlock::Text(acp::TextContent::new(
2982 "unsaved draft",
2983 ))];
2984 acp_thread.update(cx, |thread, _cx| {
2985 thread.set_draft_prompt(Some(draft_blocks.clone()));
2986 });
2987
2988 // Close the session immediately — no run_until_parked in between.
2989 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2990 .await
2991 .unwrap();
2992 cx.run_until_parked();
2993
2994 // Reopen and verify the draft prompt was saved.
2995 let reloaded = agent
2996 .update(cx, |agent, cx| {
2997 agent.open_thread(session_id.clone(), project.clone(), cx)
2998 })
2999 .await
3000 .unwrap();
3001 reloaded.read_with(cx, |thread, _| {
3002 assert_eq!(
3003 thread.draft_prompt(),
3004 Some(draft_blocks.as_slice()),
3005 "close_session must save the thread; draft prompt was lost"
3006 );
3007 });
3008 }
3009
3010 #[gpui::test]
3011 async fn test_rapid_title_changes_do_not_loop(cx: &mut TestAppContext) {
3012 // Regression test: rapid title changes must not cause a propagation loop
3013 // between Thread and AcpThread via handle_thread_title_updated.
3014 init_test(cx);
3015 let fs = FakeFs::new(cx.executor());
3016 fs.insert_tree("/", json!({ "a": {} })).await;
3017 let project = Project::test(fs.clone(), [], cx).await;
3018 let thread_store = cx.new(|cx| ThreadStore::new(cx));
3019 let agent = cx.update(|cx| {
3020 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
3021 });
3022 let connection = Rc::new(NativeAgentConnection(agent.clone()));
3023
3024 let acp_thread = cx
3025 .update(|cx| {
3026 connection
3027 .clone()
3028 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
3029 })
3030 .await
3031 .unwrap();
3032
3033 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
3034 let thread = agent.read_with(cx, |agent, _| {
3035 agent.sessions.get(&session_id).unwrap().thread.clone()
3036 });
3037
3038 let title_updated_count = Rc::new(std::cell::RefCell::new(0usize));
3039 cx.update(|cx| {
3040 let count = title_updated_count.clone();
3041 cx.subscribe(
3042 &thread,
3043 move |_entity: Entity<Thread>, _event: &TitleUpdated, _cx: &mut App| {
3044 let new_count = {
3045 let mut count = count.borrow_mut();
3046 *count += 1;
3047 *count
3048 };
3049 assert!(
3050 new_count <= 2,
3051 "TitleUpdated fired {new_count} times; \
3052 title updates are looping"
3053 );
3054 },
3055 )
3056 .detach();
3057 });
3058
3059 thread.update(cx, |thread, cx| thread.set_title("first".into(), cx));
3060 thread.update(cx, |thread, cx| thread.set_title("second".into(), cx));
3061
3062 cx.run_until_parked();
3063
3064 thread.read_with(cx, |thread, _| {
3065 assert_eq!(thread.title(), Some("second".into()));
3066 });
3067 acp_thread.read_with(cx, |acp_thread, _| {
3068 assert_eq!(acp_thread.title(), Some("second".into()));
3069 });
3070
3071 assert_eq!(*title_updated_count.borrow(), 2);
3072 }
3073
3074 fn thread_entries(
3075 thread_store: &Entity<ThreadStore>,
3076 cx: &mut TestAppContext,
3077 ) -> Vec<(acp::SessionId, String)> {
3078 thread_store.read_with(cx, |store, _| {
3079 store
3080 .entries()
3081 .map(|entry| (entry.id.clone(), entry.title.to_string()))
3082 .collect::<Vec<_>>()
3083 })
3084 }
3085
3086 fn init_test(cx: &mut TestAppContext) {
3087 env_logger::try_init().ok();
3088 cx.update(|cx| {
3089 let settings_store = SettingsStore::test(cx);
3090 cx.set_global(settings_store);
3091
3092 LanguageModelRegistry::test(cx);
3093 });
3094 }
3095}
3096
3097fn mcp_message_content_to_acp_content_block(
3098 content: context_server::types::MessageContent,
3099) -> acp::ContentBlock {
3100 match content {
3101 context_server::types::MessageContent::Text {
3102 text,
3103 annotations: _,
3104 } => text.into(),
3105 context_server::types::MessageContent::Image {
3106 data,
3107 mime_type,
3108 annotations: _,
3109 } => acp::ContentBlock::Image(acp::ImageContent::new(data, mime_type)),
3110 context_server::types::MessageContent::Audio {
3111 data,
3112 mime_type,
3113 annotations: _,
3114 } => acp::ContentBlock::Audio(acp::AudioContent::new(data, mime_type)),
3115 context_server::types::MessageContent::Resource {
3116 resource,
3117 annotations: _,
3118 } => {
3119 let mut link =
3120 acp::ResourceLink::new(resource.uri.to_string(), resource.uri.to_string());
3121 if let Some(mime_type) = resource.mime_type {
3122 link = link.mime_type(mime_type);
3123 }
3124 acp::ContentBlock::ResourceLink(link)
3125 }
3126 }
3127}