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 Ok(acp_thread)
946 })
947 }
948
949 pub fn thread_summary(
950 &mut self,
951 id: acp::SessionId,
952 project: Entity<Project>,
953 cx: &mut Context<Self>,
954 ) -> Task<Result<SharedString>> {
955 let thread = self.open_thread(id.clone(), project, cx);
956 cx.spawn(async move |this, cx| {
957 let acp_thread = thread.await?;
958 let result = this
959 .update(cx, |this, cx| {
960 this.sessions
961 .get(&id)
962 .unwrap()
963 .thread
964 .update(cx, |thread, cx| thread.summary(cx))
965 })?
966 .await
967 .context("Failed to generate summary")?;
968 drop(acp_thread);
969 Ok(result)
970 })
971 }
972
973 fn save_thread(&mut self, thread: Entity<Thread>, cx: &mut Context<Self>) {
974 if thread.read(cx).is_empty() {
975 return;
976 }
977
978 let id = thread.read(cx).id().clone();
979 let Some(session) = self.sessions.get_mut(&id) else {
980 return;
981 };
982
983 let project_id = session.project_id;
984 let Some(state) = self.projects.get(&project_id) else {
985 return;
986 };
987
988 let folder_paths = PathList::new(
989 &state
990 .project
991 .read(cx)
992 .visible_worktrees(cx)
993 .map(|worktree| worktree.read(cx).abs_path().to_path_buf())
994 .collect::<Vec<_>>(),
995 );
996
997 let draft_prompt = session.acp_thread.read(cx).draft_prompt().map(Vec::from);
998 let database_future = ThreadsDatabase::connect(cx);
999 let db_thread = thread.update(cx, |thread, cx| {
1000 thread.set_draft_prompt(draft_prompt);
1001 thread.to_db(cx)
1002 });
1003 let thread_store = self.thread_store.clone();
1004 session.pending_save = cx.spawn(async move |_, cx| {
1005 let Some(database) = database_future.await.map_err(|err| anyhow!(err)).log_err() else {
1006 return Ok(());
1007 };
1008 let db_thread = db_thread.await;
1009 database
1010 .save_thread(id, db_thread, folder_paths)
1011 .await
1012 .log_err();
1013 thread_store.update(cx, |store, cx| store.reload(cx));
1014 Ok(())
1015 });
1016 }
1017
1018 fn send_mcp_prompt(
1019 &self,
1020 message_id: UserMessageId,
1021 session_id: acp::SessionId,
1022 prompt_name: String,
1023 server_id: ContextServerId,
1024 arguments: HashMap<String, String>,
1025 original_content: Vec<acp::ContentBlock>,
1026 cx: &mut Context<Self>,
1027 ) -> Task<Result<acp::PromptResponse>> {
1028 let Some(state) = self.session_project_state(&session_id) else {
1029 return Task::ready(Err(anyhow!("Project state not found for session")));
1030 };
1031 let server_store = state
1032 .context_server_registry
1033 .read(cx)
1034 .server_store()
1035 .clone();
1036 let path_style = state.project.read(cx).path_style(cx);
1037
1038 cx.spawn(async move |this, cx| {
1039 let prompt =
1040 crate::get_prompt(&server_store, &server_id, &prompt_name, arguments, cx).await?;
1041
1042 let (acp_thread, thread) = this.update(cx, |this, _cx| {
1043 let session = this
1044 .sessions
1045 .get(&session_id)
1046 .context("Failed to get session")?;
1047 anyhow::Ok((session.acp_thread.clone(), session.thread.clone()))
1048 })??;
1049
1050 let mut last_is_user = true;
1051
1052 thread.update(cx, |thread, cx| {
1053 thread.push_acp_user_block(
1054 message_id,
1055 original_content.into_iter().skip(1),
1056 path_style,
1057 cx,
1058 );
1059 });
1060
1061 for message in prompt.messages {
1062 let context_server::types::PromptMessage { role, content } = message;
1063 let block = mcp_message_content_to_acp_content_block(content);
1064
1065 match role {
1066 context_server::types::Role::User => {
1067 let id = acp_thread::UserMessageId::new();
1068
1069 acp_thread.update(cx, |acp_thread, cx| {
1070 acp_thread.push_user_content_block_with_indent(
1071 Some(id.clone()),
1072 block.clone(),
1073 true,
1074 cx,
1075 );
1076 });
1077
1078 thread.update(cx, |thread, cx| {
1079 thread.push_acp_user_block(id, [block], path_style, cx);
1080 });
1081 }
1082 context_server::types::Role::Assistant => {
1083 acp_thread.update(cx, |acp_thread, cx| {
1084 acp_thread.push_assistant_content_block_with_indent(
1085 block.clone(),
1086 false,
1087 true,
1088 cx,
1089 );
1090 });
1091
1092 thread.update(cx, |thread, cx| {
1093 thread.push_acp_agent_block(block, cx);
1094 });
1095 }
1096 }
1097
1098 last_is_user = role == context_server::types::Role::User;
1099 }
1100
1101 let response_stream = thread.update(cx, |thread, cx| {
1102 if last_is_user {
1103 thread.send_existing(cx)
1104 } else {
1105 // Resume if MCP prompt did not end with a user message
1106 thread.resume(cx)
1107 }
1108 })?;
1109
1110 cx.update(|cx| {
1111 NativeAgentConnection::handle_thread_events(
1112 response_stream,
1113 acp_thread.downgrade(),
1114 cx,
1115 )
1116 })
1117 .await
1118 })
1119 }
1120}
1121
1122/// Wrapper struct that implements the AgentConnection trait
1123#[derive(Clone)]
1124pub struct NativeAgentConnection(pub Entity<NativeAgent>);
1125
1126impl NativeAgentConnection {
1127 pub fn thread(&self, session_id: &acp::SessionId, cx: &App) -> Option<Entity<Thread>> {
1128 self.0
1129 .read(cx)
1130 .sessions
1131 .get(session_id)
1132 .map(|session| session.thread.clone())
1133 }
1134
1135 pub fn load_thread(
1136 &self,
1137 id: acp::SessionId,
1138 project: Entity<Project>,
1139 cx: &mut App,
1140 ) -> Task<Result<Entity<Thread>>> {
1141 self.0
1142 .update(cx, |this, cx| this.load_thread(id, project, cx))
1143 }
1144
1145 fn run_turn(
1146 &self,
1147 session_id: acp::SessionId,
1148 cx: &mut App,
1149 f: impl 'static
1150 + FnOnce(Entity<Thread>, &mut App) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>,
1151 ) -> Task<Result<acp::PromptResponse>> {
1152 let Some((thread, acp_thread)) = self.0.update(cx, |agent, _cx| {
1153 agent
1154 .sessions
1155 .get_mut(&session_id)
1156 .map(|s| (s.thread.clone(), s.acp_thread.clone()))
1157 }) else {
1158 return Task::ready(Err(anyhow!("Session not found")));
1159 };
1160 log::debug!("Found session for: {}", session_id);
1161
1162 let response_stream = match f(thread, cx) {
1163 Ok(stream) => stream,
1164 Err(err) => return Task::ready(Err(err)),
1165 };
1166 Self::handle_thread_events(response_stream, acp_thread.downgrade(), cx)
1167 }
1168
1169 fn handle_thread_events(
1170 mut events: mpsc::UnboundedReceiver<Result<ThreadEvent>>,
1171 acp_thread: WeakEntity<AcpThread>,
1172 cx: &App,
1173 ) -> Task<Result<acp::PromptResponse>> {
1174 cx.spawn(async move |cx| {
1175 // Handle response stream and forward to session.acp_thread
1176 while let Some(result) = events.next().await {
1177 match result {
1178 Ok(event) => {
1179 log::trace!("Received completion event: {:?}", event);
1180
1181 match event {
1182 ThreadEvent::UserMessage(message) => {
1183 acp_thread.update(cx, |thread, cx| {
1184 for content in message.content {
1185 thread.push_user_content_block(
1186 Some(message.id.clone()),
1187 content.into(),
1188 cx,
1189 );
1190 }
1191 })?;
1192 }
1193 ThreadEvent::AgentText(text) => {
1194 acp_thread.update(cx, |thread, cx| {
1195 thread.push_assistant_content_block(text.into(), false, cx)
1196 })?;
1197 }
1198 ThreadEvent::AgentThinking(text) => {
1199 acp_thread.update(cx, |thread, cx| {
1200 thread.push_assistant_content_block(text.into(), true, cx)
1201 })?;
1202 }
1203 ThreadEvent::ToolCallAuthorization(ToolCallAuthorization {
1204 tool_call,
1205 options,
1206 response,
1207 context: _,
1208 }) => {
1209 let outcome_task = acp_thread.update(cx, |thread, cx| {
1210 thread.request_tool_call_authorization(tool_call, options, cx)
1211 })??;
1212 cx.background_spawn(async move {
1213 if let acp_thread::RequestPermissionOutcome::Selected(outcome) =
1214 outcome_task.await
1215 {
1216 response
1217 .send(outcome)
1218 .map(|_| anyhow!("authorization receiver was dropped"))
1219 .log_err();
1220 }
1221 })
1222 .detach();
1223 }
1224 ThreadEvent::ToolCall(tool_call) => {
1225 acp_thread.update(cx, |thread, cx| {
1226 thread.upsert_tool_call(tool_call, cx)
1227 })??;
1228 }
1229 ThreadEvent::ToolCallUpdate(update) => {
1230 acp_thread.update(cx, |thread, cx| {
1231 thread.update_tool_call(update, cx)
1232 })??;
1233 }
1234 ThreadEvent::Plan(plan) => {
1235 acp_thread.update(cx, |thread, cx| thread.update_plan(plan, cx))?;
1236 }
1237 ThreadEvent::SubagentSpawned(session_id) => {
1238 acp_thread.update(cx, |thread, cx| {
1239 thread.subagent_spawned(session_id, cx);
1240 })?;
1241 }
1242 ThreadEvent::Retry(status) => {
1243 acp_thread.update(cx, |thread, cx| {
1244 thread.update_retry_status(status, cx)
1245 })?;
1246 }
1247 ThreadEvent::Stop(stop_reason) => {
1248 log::debug!("Assistant message complete: {:?}", stop_reason);
1249 return Ok(acp::PromptResponse::new(stop_reason));
1250 }
1251 }
1252 }
1253 Err(e) => {
1254 log::error!("Error in model response stream: {:?}", e);
1255 return Err(e);
1256 }
1257 }
1258 }
1259
1260 log::debug!("Response stream completed");
1261 anyhow::Ok(acp::PromptResponse::new(acp::StopReason::EndTurn))
1262 })
1263 }
1264}
1265
1266struct Command<'a> {
1267 prompt_name: &'a str,
1268 arg_value: &'a str,
1269 explicit_server_id: Option<&'a str>,
1270}
1271
1272impl<'a> Command<'a> {
1273 fn parse(prompt: &'a [acp::ContentBlock]) -> Option<Self> {
1274 let acp::ContentBlock::Text(text_content) = prompt.first()? else {
1275 return None;
1276 };
1277 let text = text_content.text.trim();
1278 let command = text.strip_prefix('/')?;
1279 let (command, arg_value) = command
1280 .split_once(char::is_whitespace)
1281 .unwrap_or((command, ""));
1282
1283 if let Some((server_id, prompt_name)) = command.split_once('.') {
1284 Some(Self {
1285 prompt_name,
1286 arg_value,
1287 explicit_server_id: Some(server_id),
1288 })
1289 } else {
1290 Some(Self {
1291 prompt_name: command,
1292 arg_value,
1293 explicit_server_id: None,
1294 })
1295 }
1296 }
1297}
1298
1299struct NativeAgentModelSelector {
1300 session_id: acp::SessionId,
1301 connection: NativeAgentConnection,
1302}
1303
1304impl acp_thread::AgentModelSelector for NativeAgentModelSelector {
1305 fn list_models(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelList>> {
1306 log::debug!("NativeAgentConnection::list_models called");
1307 let list = self.connection.0.read(cx).models.model_list.clone();
1308 Task::ready(if list.is_empty() {
1309 Err(anyhow::anyhow!("No models available"))
1310 } else {
1311 Ok(list)
1312 })
1313 }
1314
1315 fn select_model(&self, model_id: acp::ModelId, cx: &mut App) -> Task<Result<()>> {
1316 log::debug!(
1317 "Setting model for session {}: {}",
1318 self.session_id,
1319 model_id
1320 );
1321 let Some(thread) = self
1322 .connection
1323 .0
1324 .read(cx)
1325 .sessions
1326 .get(&self.session_id)
1327 .map(|session| session.thread.clone())
1328 else {
1329 return Task::ready(Err(anyhow!("Session not found")));
1330 };
1331
1332 let Some(model) = self.connection.0.read(cx).models.model_from_id(&model_id) else {
1333 return Task::ready(Err(anyhow!("Invalid model ID {}", model_id)));
1334 };
1335
1336 // We want to reset the effort level when switching models, as the currently-selected effort level may
1337 // not be compatible.
1338 let effort = model
1339 .default_effort_level()
1340 .map(|effort_level| effort_level.value.to_string());
1341
1342 thread.update(cx, |thread, cx| {
1343 thread.set_model(model.clone(), cx);
1344 thread.set_thinking_effort(effort.clone(), cx);
1345 thread.set_thinking_enabled(model.supports_thinking(), cx);
1346 });
1347
1348 update_settings_file(
1349 self.connection.0.read(cx).fs.clone(),
1350 cx,
1351 move |settings, cx| {
1352 let provider = model.provider_id().0.to_string();
1353 let model = model.id().0.to_string();
1354 let enable_thinking = thread.read(cx).thinking_enabled();
1355 settings
1356 .agent
1357 .get_or_insert_default()
1358 .set_model(LanguageModelSelection {
1359 provider: provider.into(),
1360 model,
1361 enable_thinking,
1362 effort,
1363 });
1364 },
1365 );
1366
1367 Task::ready(Ok(()))
1368 }
1369
1370 fn selected_model(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelInfo>> {
1371 let Some(thread) = self
1372 .connection
1373 .0
1374 .read(cx)
1375 .sessions
1376 .get(&self.session_id)
1377 .map(|session| session.thread.clone())
1378 else {
1379 return Task::ready(Err(anyhow!("Session not found")));
1380 };
1381 let Some(model) = thread.read(cx).model() else {
1382 return Task::ready(Err(anyhow!("Model not found")));
1383 };
1384 let Some(provider) = LanguageModelRegistry::read_global(cx).provider(&model.provider_id())
1385 else {
1386 return Task::ready(Err(anyhow!("Provider not found")));
1387 };
1388 Task::ready(Ok(LanguageModels::map_language_model_to_info(
1389 model, &provider,
1390 )))
1391 }
1392
1393 fn watch(&self, cx: &mut App) -> Option<watch::Receiver<()>> {
1394 Some(self.connection.0.read(cx).models.watch())
1395 }
1396
1397 fn should_render_footer(&self) -> bool {
1398 true
1399 }
1400}
1401
1402pub static ZED_AGENT_ID: LazyLock<AgentId> = LazyLock::new(|| AgentId::new("Zed Agent"));
1403
1404impl acp_thread::AgentConnection for NativeAgentConnection {
1405 fn agent_id(&self) -> AgentId {
1406 ZED_AGENT_ID.clone()
1407 }
1408
1409 fn telemetry_id(&self) -> SharedString {
1410 "zed".into()
1411 }
1412
1413 fn new_session(
1414 self: Rc<Self>,
1415 project: Entity<Project>,
1416 work_dirs: PathList,
1417 cx: &mut App,
1418 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1419 log::debug!("Creating new thread for project at: {work_dirs:?}");
1420 Task::ready(Ok(self
1421 .0
1422 .update(cx, |agent, cx| agent.new_session(project, cx))))
1423 }
1424
1425 fn supports_load_session(&self) -> bool {
1426 true
1427 }
1428
1429 fn load_session(
1430 self: Rc<Self>,
1431 session_id: acp::SessionId,
1432 project: Entity<Project>,
1433 _work_dirs: PathList,
1434 _title: Option<SharedString>,
1435 cx: &mut App,
1436 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1437 self.0
1438 .update(cx, |agent, cx| agent.open_thread(session_id, project, cx))
1439 }
1440
1441 fn supports_close_session(&self) -> bool {
1442 true
1443 }
1444
1445 fn close_session(
1446 self: Rc<Self>,
1447 session_id: &acp::SessionId,
1448 cx: &mut App,
1449 ) -> Task<Result<()>> {
1450 self.0.update(cx, |agent, cx| {
1451 let thread = agent.sessions.get(session_id).map(|s| s.thread.clone());
1452 if let Some(thread) = thread {
1453 agent.save_thread(thread, cx);
1454 }
1455
1456 let Some(session) = agent.sessions.remove(session_id) else {
1457 return Task::ready(Ok(()));
1458 };
1459 let project_id = session.project_id;
1460
1461 let has_remaining = agent.sessions.values().any(|s| s.project_id == project_id);
1462 if !has_remaining {
1463 agent.projects.remove(&project_id);
1464 }
1465
1466 session.pending_save
1467 })
1468 }
1469
1470 fn auth_methods(&self) -> &[acp::AuthMethod] {
1471 &[] // No auth for in-process
1472 }
1473
1474 fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
1475 Task::ready(Ok(()))
1476 }
1477
1478 fn model_selector(&self, session_id: &acp::SessionId) -> Option<Rc<dyn AgentModelSelector>> {
1479 Some(Rc::new(NativeAgentModelSelector {
1480 session_id: session_id.clone(),
1481 connection: self.clone(),
1482 }) as Rc<dyn AgentModelSelector>)
1483 }
1484
1485 fn prompt(
1486 &self,
1487 id: Option<acp_thread::UserMessageId>,
1488 params: acp::PromptRequest,
1489 cx: &mut App,
1490 ) -> Task<Result<acp::PromptResponse>> {
1491 let id = id.expect("UserMessageId is required");
1492 let session_id = params.session_id.clone();
1493 log::info!("Received prompt request for session: {}", session_id);
1494 log::debug!("Prompt blocks count: {}", params.prompt.len());
1495
1496 let Some(project_state) = self.0.read(cx).session_project_state(&session_id) else {
1497 return Task::ready(Err(anyhow::anyhow!("Session not found")));
1498 };
1499
1500 if let Some(parsed_command) = Command::parse(¶ms.prompt) {
1501 let registry = project_state.context_server_registry.read(cx);
1502
1503 let explicit_server_id = parsed_command
1504 .explicit_server_id
1505 .map(|server_id| ContextServerId(server_id.into()));
1506
1507 if let Some(prompt) =
1508 registry.find_prompt(explicit_server_id.as_ref(), parsed_command.prompt_name)
1509 {
1510 let arguments = if !parsed_command.arg_value.is_empty()
1511 && let Some(arg_name) = prompt
1512 .prompt
1513 .arguments
1514 .as_ref()
1515 .and_then(|args| args.first())
1516 .map(|arg| arg.name.clone())
1517 {
1518 HashMap::from_iter([(arg_name, parsed_command.arg_value.to_string())])
1519 } else {
1520 Default::default()
1521 };
1522
1523 let prompt_name = prompt.prompt.name.clone();
1524 let server_id = prompt.server_id.clone();
1525
1526 return self.0.update(cx, |agent, cx| {
1527 agent.send_mcp_prompt(
1528 id,
1529 session_id.clone(),
1530 prompt_name,
1531 server_id,
1532 arguments,
1533 params.prompt,
1534 cx,
1535 )
1536 });
1537 }
1538 };
1539
1540 let path_style = project_state.project.read(cx).path_style(cx);
1541
1542 self.run_turn(session_id, cx, move |thread, cx| {
1543 let content: Vec<UserMessageContent> = params
1544 .prompt
1545 .into_iter()
1546 .map(|block| UserMessageContent::from_content_block(block, path_style))
1547 .collect::<Vec<_>>();
1548 log::debug!("Converted prompt to message: {} chars", content.len());
1549 log::debug!("Message id: {:?}", id);
1550 log::debug!("Message content: {:?}", content);
1551
1552 thread.update(cx, |thread, cx| thread.send(id, content, cx))
1553 })
1554 }
1555
1556 fn retry(
1557 &self,
1558 session_id: &acp::SessionId,
1559 _cx: &App,
1560 ) -> Option<Rc<dyn acp_thread::AgentSessionRetry>> {
1561 Some(Rc::new(NativeAgentSessionRetry {
1562 connection: self.clone(),
1563 session_id: session_id.clone(),
1564 }) as _)
1565 }
1566
1567 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
1568 log::info!("Cancelling on session: {}", session_id);
1569 self.0.update(cx, |agent, cx| {
1570 if let Some(session) = agent.sessions.get(session_id) {
1571 session
1572 .thread
1573 .update(cx, |thread, cx| thread.cancel(cx))
1574 .detach();
1575 }
1576 });
1577 }
1578
1579 fn truncate(
1580 &self,
1581 session_id: &acp::SessionId,
1582 cx: &App,
1583 ) -> Option<Rc<dyn acp_thread::AgentSessionTruncate>> {
1584 self.0.read_with(cx, |agent, _cx| {
1585 agent.sessions.get(session_id).map(|session| {
1586 Rc::new(NativeAgentSessionTruncate {
1587 thread: session.thread.clone(),
1588 acp_thread: session.acp_thread.downgrade(),
1589 }) as _
1590 })
1591 })
1592 }
1593
1594 fn set_title(
1595 &self,
1596 session_id: &acp::SessionId,
1597 cx: &App,
1598 ) -> Option<Rc<dyn acp_thread::AgentSessionSetTitle>> {
1599 self.0.read_with(cx, |agent, _cx| {
1600 agent
1601 .sessions
1602 .get(session_id)
1603 .filter(|s| !s.thread.read(cx).is_subagent())
1604 .map(|session| {
1605 Rc::new(NativeAgentSessionSetTitle {
1606 thread: session.thread.clone(),
1607 }) as _
1608 })
1609 })
1610 }
1611
1612 fn session_list(&self, cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
1613 let thread_store = self.0.read(cx).thread_store.clone();
1614 Some(Rc::new(NativeAgentSessionList::new(thread_store, cx)) as _)
1615 }
1616
1617 fn telemetry(&self) -> Option<Rc<dyn acp_thread::AgentTelemetry>> {
1618 Some(Rc::new(self.clone()) as Rc<dyn acp_thread::AgentTelemetry>)
1619 }
1620
1621 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1622 self
1623 }
1624}
1625
1626impl acp_thread::AgentTelemetry for NativeAgentConnection {
1627 fn thread_data(
1628 &self,
1629 session_id: &acp::SessionId,
1630 cx: &mut App,
1631 ) -> Task<Result<serde_json::Value>> {
1632 let Some(session) = self.0.read(cx).sessions.get(session_id) else {
1633 return Task::ready(Err(anyhow!("Session not found")));
1634 };
1635
1636 let task = session.thread.read(cx).to_db(cx);
1637 cx.background_spawn(async move {
1638 serde_json::to_value(task.await).context("Failed to serialize thread")
1639 })
1640 }
1641}
1642
1643pub struct NativeAgentSessionList {
1644 thread_store: Entity<ThreadStore>,
1645 updates_tx: smol::channel::Sender<acp_thread::SessionListUpdate>,
1646 updates_rx: smol::channel::Receiver<acp_thread::SessionListUpdate>,
1647 _subscription: Subscription,
1648}
1649
1650impl NativeAgentSessionList {
1651 fn new(thread_store: Entity<ThreadStore>, cx: &mut App) -> Self {
1652 let (tx, rx) = smol::channel::unbounded();
1653 let this_tx = tx.clone();
1654 let subscription = cx.observe(&thread_store, move |_, _| {
1655 this_tx
1656 .try_send(acp_thread::SessionListUpdate::Refresh)
1657 .ok();
1658 });
1659 Self {
1660 thread_store,
1661 updates_tx: tx,
1662 updates_rx: rx,
1663 _subscription: subscription,
1664 }
1665 }
1666
1667 pub fn thread_store(&self) -> &Entity<ThreadStore> {
1668 &self.thread_store
1669 }
1670}
1671
1672impl AgentSessionList for NativeAgentSessionList {
1673 fn list_sessions(
1674 &self,
1675 _request: AgentSessionListRequest,
1676 cx: &mut App,
1677 ) -> Task<Result<AgentSessionListResponse>> {
1678 let sessions = self
1679 .thread_store
1680 .read(cx)
1681 .entries()
1682 .map(|entry| AgentSessionInfo::from(&entry))
1683 .collect();
1684 Task::ready(Ok(AgentSessionListResponse::new(sessions)))
1685 }
1686
1687 fn supports_delete(&self) -> bool {
1688 true
1689 }
1690
1691 fn delete_session(&self, session_id: &acp::SessionId, cx: &mut App) -> Task<Result<()>> {
1692 self.thread_store
1693 .update(cx, |store, cx| store.delete_thread(session_id.clone(), cx))
1694 }
1695
1696 fn delete_sessions(&self, cx: &mut App) -> Task<Result<()>> {
1697 self.thread_store
1698 .update(cx, |store, cx| store.delete_threads(cx))
1699 }
1700
1701 fn watch(
1702 &self,
1703 _cx: &mut App,
1704 ) -> Option<smol::channel::Receiver<acp_thread::SessionListUpdate>> {
1705 Some(self.updates_rx.clone())
1706 }
1707
1708 fn notify_refresh(&self) {
1709 self.updates_tx
1710 .try_send(acp_thread::SessionListUpdate::Refresh)
1711 .ok();
1712 }
1713
1714 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1715 self
1716 }
1717}
1718
1719struct NativeAgentSessionTruncate {
1720 thread: Entity<Thread>,
1721 acp_thread: WeakEntity<AcpThread>,
1722}
1723
1724impl acp_thread::AgentSessionTruncate for NativeAgentSessionTruncate {
1725 fn run(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
1726 match self.thread.update(cx, |thread, cx| {
1727 thread.truncate(message_id.clone(), cx)?;
1728 Ok(thread.latest_token_usage())
1729 }) {
1730 Ok(usage) => {
1731 self.acp_thread
1732 .update(cx, |thread, cx| {
1733 thread.update_token_usage(usage, cx);
1734 })
1735 .ok();
1736 Task::ready(Ok(()))
1737 }
1738 Err(error) => Task::ready(Err(error)),
1739 }
1740 }
1741}
1742
1743struct NativeAgentSessionRetry {
1744 connection: NativeAgentConnection,
1745 session_id: acp::SessionId,
1746}
1747
1748impl acp_thread::AgentSessionRetry for NativeAgentSessionRetry {
1749 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
1750 self.connection
1751 .run_turn(self.session_id.clone(), cx, |thread, cx| {
1752 thread.update(cx, |thread, cx| thread.resume(cx))
1753 })
1754 }
1755}
1756
1757struct NativeAgentSessionSetTitle {
1758 thread: Entity<Thread>,
1759}
1760
1761impl acp_thread::AgentSessionSetTitle for NativeAgentSessionSetTitle {
1762 fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>> {
1763 self.thread
1764 .update(cx, |thread, cx| thread.set_title(title, cx));
1765 Task::ready(Ok(()))
1766 }
1767}
1768
1769pub struct NativeThreadEnvironment {
1770 agent: WeakEntity<NativeAgent>,
1771 thread: WeakEntity<Thread>,
1772 acp_thread: WeakEntity<AcpThread>,
1773}
1774
1775impl NativeThreadEnvironment {
1776 pub(crate) fn create_subagent_thread(
1777 &self,
1778 label: String,
1779 cx: &mut App,
1780 ) -> Result<Rc<dyn SubagentHandle>> {
1781 let Some(parent_thread_entity) = self.thread.upgrade() else {
1782 anyhow::bail!("Parent thread no longer exists".to_string());
1783 };
1784 let parent_thread = parent_thread_entity.read(cx);
1785 let current_depth = parent_thread.depth();
1786 let parent_session_id = parent_thread.id().clone();
1787
1788 if current_depth >= MAX_SUBAGENT_DEPTH {
1789 return Err(anyhow!(
1790 "Maximum subagent depth ({}) reached",
1791 MAX_SUBAGENT_DEPTH
1792 ));
1793 }
1794
1795 let subagent_thread: Entity<Thread> = cx.new(|cx| {
1796 let mut thread = Thread::new_subagent(&parent_thread_entity, cx);
1797 thread.set_title(label.into(), cx);
1798 thread
1799 });
1800
1801 let session_id = subagent_thread.read(cx).id().clone();
1802
1803 let acp_thread = self
1804 .agent
1805 .update(cx, |agent, cx| -> Result<Entity<AcpThread>> {
1806 let project_id = agent
1807 .sessions
1808 .get(&parent_session_id)
1809 .map(|s| s.project_id)
1810 .context("parent session not found")?;
1811 Ok(agent.register_session(subagent_thread.clone(), project_id, cx))
1812 })??;
1813
1814 let depth = current_depth + 1;
1815
1816 telemetry::event!(
1817 "Subagent Started",
1818 session = parent_thread_entity.read(cx).id().to_string(),
1819 subagent_session = session_id.to_string(),
1820 depth,
1821 is_resumed = false,
1822 );
1823
1824 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1825 }
1826
1827 pub(crate) fn resume_subagent_thread(
1828 &self,
1829 session_id: acp::SessionId,
1830 cx: &mut App,
1831 ) -> Result<Rc<dyn SubagentHandle>> {
1832 let (subagent_thread, acp_thread) = self.agent.update(cx, |agent, _cx| {
1833 let session = agent
1834 .sessions
1835 .get(&session_id)
1836 .ok_or_else(|| anyhow!("No subagent session found with id {session_id}"))?;
1837 anyhow::Ok((session.thread.clone(), session.acp_thread.clone()))
1838 })??;
1839
1840 let depth = subagent_thread.read(cx).depth();
1841
1842 if let Some(parent_thread_entity) = self.thread.upgrade() {
1843 telemetry::event!(
1844 "Subagent Started",
1845 session = parent_thread_entity.read(cx).id().to_string(),
1846 subagent_session = session_id.to_string(),
1847 depth,
1848 is_resumed = true,
1849 );
1850 }
1851
1852 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1853 }
1854
1855 fn prompt_subagent(
1856 &self,
1857 session_id: acp::SessionId,
1858 subagent_thread: Entity<Thread>,
1859 acp_thread: Entity<acp_thread::AcpThread>,
1860 ) -> Result<Rc<dyn SubagentHandle>> {
1861 let Some(parent_thread_entity) = self.thread.upgrade() else {
1862 anyhow::bail!("Parent thread no longer exists".to_string());
1863 };
1864 Ok(Rc::new(NativeSubagentHandle::new(
1865 session_id,
1866 subagent_thread,
1867 acp_thread,
1868 parent_thread_entity,
1869 )) as _)
1870 }
1871}
1872
1873impl ThreadEnvironment for NativeThreadEnvironment {
1874 fn create_terminal(
1875 &self,
1876 command: String,
1877 cwd: Option<PathBuf>,
1878 output_byte_limit: Option<u64>,
1879 cx: &mut AsyncApp,
1880 ) -> Task<Result<Rc<dyn TerminalHandle>>> {
1881 let task = self.acp_thread.update(cx, |thread, cx| {
1882 thread.create_terminal(command, vec![], vec![], cwd, output_byte_limit, cx)
1883 });
1884
1885 let acp_thread = self.acp_thread.clone();
1886 cx.spawn(async move |cx| {
1887 let terminal = task?.await?;
1888
1889 let (drop_tx, drop_rx) = oneshot::channel();
1890 let terminal_id = terminal.read_with(cx, |terminal, _cx| terminal.id().clone());
1891
1892 cx.spawn(async move |cx| {
1893 drop_rx.await.ok();
1894 acp_thread.update(cx, |thread, cx| thread.release_terminal(terminal_id, cx))
1895 })
1896 .detach();
1897
1898 let handle = AcpTerminalHandle {
1899 terminal,
1900 _drop_tx: Some(drop_tx),
1901 };
1902
1903 Ok(Rc::new(handle) as _)
1904 })
1905 }
1906
1907 fn create_subagent(&self, label: String, cx: &mut App) -> Result<Rc<dyn SubagentHandle>> {
1908 self.create_subagent_thread(label, cx)
1909 }
1910
1911 fn resume_subagent(
1912 &self,
1913 session_id: acp::SessionId,
1914 cx: &mut App,
1915 ) -> Result<Rc<dyn SubagentHandle>> {
1916 self.resume_subagent_thread(session_id, cx)
1917 }
1918}
1919
1920#[derive(Debug, Clone)]
1921enum SubagentPromptResult {
1922 Completed,
1923 Cancelled,
1924 ContextWindowWarning,
1925 Error(String),
1926}
1927
1928pub struct NativeSubagentHandle {
1929 session_id: acp::SessionId,
1930 parent_thread: WeakEntity<Thread>,
1931 subagent_thread: Entity<Thread>,
1932 acp_thread: Entity<acp_thread::AcpThread>,
1933}
1934
1935impl NativeSubagentHandle {
1936 fn new(
1937 session_id: acp::SessionId,
1938 subagent_thread: Entity<Thread>,
1939 acp_thread: Entity<acp_thread::AcpThread>,
1940 parent_thread_entity: Entity<Thread>,
1941 ) -> Self {
1942 NativeSubagentHandle {
1943 session_id,
1944 subagent_thread,
1945 parent_thread: parent_thread_entity.downgrade(),
1946 acp_thread,
1947 }
1948 }
1949}
1950
1951impl SubagentHandle for NativeSubagentHandle {
1952 fn id(&self) -> acp::SessionId {
1953 self.session_id.clone()
1954 }
1955
1956 fn num_entries(&self, cx: &App) -> usize {
1957 self.acp_thread.read(cx).entries().len()
1958 }
1959
1960 fn send(&self, message: String, cx: &AsyncApp) -> Task<Result<String>> {
1961 let thread = self.subagent_thread.clone();
1962 let acp_thread = self.acp_thread.clone();
1963 let subagent_session_id = self.session_id.clone();
1964 let parent_thread = self.parent_thread.clone();
1965
1966 cx.spawn(async move |cx| {
1967 let (task, _subscription) = cx.update(|cx| {
1968 let ratio_before_prompt = thread
1969 .read(cx)
1970 .latest_token_usage()
1971 .map(|usage| usage.ratio());
1972
1973 parent_thread
1974 .update(cx, |parent_thread, _cx| {
1975 parent_thread.register_running_subagent(thread.downgrade())
1976 })
1977 .ok();
1978
1979 let task = acp_thread.update(cx, |acp_thread, cx| {
1980 acp_thread.send(vec![message.into()], cx)
1981 });
1982
1983 let (token_limit_tx, token_limit_rx) = oneshot::channel::<()>();
1984 let mut token_limit_tx = Some(token_limit_tx);
1985
1986 let subscription = cx.subscribe(
1987 &thread,
1988 move |_thread, event: &TokenUsageUpdated, _cx| {
1989 if let Some(usage) = &event.0 {
1990 let old_ratio = ratio_before_prompt
1991 .clone()
1992 .unwrap_or(TokenUsageRatio::Normal);
1993 let new_ratio = usage.ratio();
1994 if old_ratio == TokenUsageRatio::Normal
1995 && new_ratio == TokenUsageRatio::Warning
1996 {
1997 if let Some(tx) = token_limit_tx.take() {
1998 tx.send(()).ok();
1999 }
2000 }
2001 }
2002 },
2003 );
2004
2005 let wait_for_prompt = cx
2006 .background_spawn(async move {
2007 futures::select! {
2008 response = task.fuse() => match response {
2009 Ok(Some(response)) => {
2010 match response.stop_reason {
2011 acp::StopReason::Cancelled => SubagentPromptResult::Cancelled,
2012 acp::StopReason::MaxTokens => SubagentPromptResult::Error("The agent reached the maximum number of tokens.".into()),
2013 acp::StopReason::MaxTurnRequests => SubagentPromptResult::Error("The agent reached the maximum number of allowed requests between user turns. Try prompting again.".into()),
2014 acp::StopReason::Refusal => SubagentPromptResult::Error("The agent refused to process that prompt. Try again.".into()),
2015 acp::StopReason::EndTurn | _ => SubagentPromptResult::Completed,
2016 }
2017 }
2018 Ok(None) => SubagentPromptResult::Error("No response from the agent. You can try messaging again.".into()),
2019 Err(error) => SubagentPromptResult::Error(error.to_string()),
2020 },
2021 _ = token_limit_rx.fuse() => SubagentPromptResult::ContextWindowWarning,
2022 }
2023 });
2024
2025 (wait_for_prompt, subscription)
2026 });
2027
2028 let result = match task.await {
2029 SubagentPromptResult::Completed => thread.read_with(cx, |thread, _cx| {
2030 thread
2031 .last_message()
2032 .and_then(|message| {
2033 let content = message.as_agent_message()?
2034 .content
2035 .iter()
2036 .filter_map(|c| match c {
2037 AgentMessageContent::Text(text) => Some(text.as_str()),
2038 _ => None,
2039 })
2040 .join("\n\n");
2041 if content.is_empty() {
2042 None
2043 } else {
2044 Some( content)
2045 }
2046 })
2047 .context("No response from subagent")
2048 }),
2049 SubagentPromptResult::Cancelled => Err(anyhow!("User canceled")),
2050 SubagentPromptResult::Error(message) => Err(anyhow!("{message}")),
2051 SubagentPromptResult::ContextWindowWarning => {
2052 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
2053 Err(anyhow!(
2054 "The agent is nearing the end of its context window and has been \
2055 stopped. You can prompt the thread again to have the agent wrap up \
2056 or hand off its work."
2057 ))
2058 }
2059 };
2060
2061 parent_thread
2062 .update(cx, |parent_thread, cx| {
2063 parent_thread.unregister_running_subagent(&subagent_session_id, cx)
2064 })
2065 .ok();
2066
2067 result
2068 })
2069 }
2070}
2071
2072pub struct AcpTerminalHandle {
2073 terminal: Entity<acp_thread::Terminal>,
2074 _drop_tx: Option<oneshot::Sender<()>>,
2075}
2076
2077impl TerminalHandle for AcpTerminalHandle {
2078 fn id(&self, cx: &AsyncApp) -> Result<acp::TerminalId> {
2079 Ok(self.terminal.read_with(cx, |term, _cx| term.id().clone()))
2080 }
2081
2082 fn wait_for_exit(&self, cx: &AsyncApp) -> Result<Shared<Task<acp::TerminalExitStatus>>> {
2083 Ok(self
2084 .terminal
2085 .read_with(cx, |term, _cx| term.wait_for_exit()))
2086 }
2087
2088 fn current_output(&self, cx: &AsyncApp) -> Result<acp::TerminalOutputResponse> {
2089 Ok(self
2090 .terminal
2091 .read_with(cx, |term, cx| term.current_output(cx)))
2092 }
2093
2094 fn kill(&self, cx: &AsyncApp) -> Result<()> {
2095 cx.update(|cx| {
2096 self.terminal.update(cx, |terminal, cx| {
2097 terminal.kill(cx);
2098 });
2099 });
2100 Ok(())
2101 }
2102
2103 fn was_stopped_by_user(&self, cx: &AsyncApp) -> Result<bool> {
2104 Ok(self
2105 .terminal
2106 .read_with(cx, |term, _cx| term.was_stopped_by_user()))
2107 }
2108}
2109
2110#[cfg(test)]
2111mod internal_tests {
2112 use std::path::Path;
2113
2114 use super::*;
2115 use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelInfo, MentionUri};
2116 use fs::FakeFs;
2117 use gpui::TestAppContext;
2118 use indoc::formatdoc;
2119 use language_model::fake_provider::{FakeLanguageModel, FakeLanguageModelProvider};
2120 use language_model::{
2121 LanguageModelCompletionEvent, LanguageModelProviderId, LanguageModelProviderName,
2122 };
2123 use serde_json::json;
2124 use settings::SettingsStore;
2125 use util::{path, rel_path::rel_path};
2126
2127 #[gpui::test]
2128 async fn test_maintaining_project_context(cx: &mut TestAppContext) {
2129 init_test(cx);
2130 let fs = FakeFs::new(cx.executor());
2131 fs.insert_tree(
2132 "/",
2133 json!({
2134 "a": {}
2135 }),
2136 )
2137 .await;
2138 let project = Project::test(fs.clone(), [], cx).await;
2139 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2140 let agent =
2141 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2142
2143 // Creating a session registers the project and triggers context building.
2144 let connection = NativeAgentConnection(agent.clone());
2145 let _acp_thread = cx
2146 .update(|cx| {
2147 Rc::new(connection).new_session(
2148 project.clone(),
2149 PathList::new(&[Path::new("/")]),
2150 cx,
2151 )
2152 })
2153 .await
2154 .unwrap();
2155 cx.run_until_parked();
2156
2157 let thread = agent.read_with(cx, |agent, _cx| {
2158 agent.sessions.values().next().unwrap().thread.clone()
2159 });
2160
2161 agent.read_with(cx, |agent, cx| {
2162 let project_id = project.entity_id();
2163 let state = agent.projects.get(&project_id).unwrap();
2164 assert_eq!(state.project_context.read(cx).worktrees, vec![]);
2165 assert_eq!(thread.read(cx).project_context().read(cx).worktrees, vec![]);
2166 });
2167
2168 let worktree = project
2169 .update(cx, |project, cx| project.create_worktree("/a", true, cx))
2170 .await
2171 .unwrap();
2172 cx.run_until_parked();
2173 agent.read_with(cx, |agent, cx| {
2174 let project_id = project.entity_id();
2175 let state = agent.projects.get(&project_id).unwrap();
2176 let expected_worktrees = vec![WorktreeContext {
2177 root_name: "a".into(),
2178 abs_path: Path::new("/a").into(),
2179 rules_file: None,
2180 }];
2181 assert_eq!(state.project_context.read(cx).worktrees, expected_worktrees);
2182 assert_eq!(
2183 thread.read(cx).project_context().read(cx).worktrees,
2184 expected_worktrees
2185 );
2186 });
2187
2188 // Creating `/a/.rules` updates the project context.
2189 fs.insert_file("/a/.rules", Vec::new()).await;
2190 cx.run_until_parked();
2191 agent.read_with(cx, |agent, cx| {
2192 let project_id = project.entity_id();
2193 let state = agent.projects.get(&project_id).unwrap();
2194 let rules_entry = worktree
2195 .read(cx)
2196 .entry_for_path(rel_path(".rules"))
2197 .unwrap();
2198 let expected_worktrees = vec![WorktreeContext {
2199 root_name: "a".into(),
2200 abs_path: Path::new("/a").into(),
2201 rules_file: Some(RulesFileContext {
2202 path_in_worktree: rel_path(".rules").into(),
2203 text: "".into(),
2204 project_entry_id: rules_entry.id.to_usize(),
2205 }),
2206 }];
2207 assert_eq!(state.project_context.read(cx).worktrees, expected_worktrees);
2208 assert_eq!(
2209 thread.read(cx).project_context().read(cx).worktrees,
2210 expected_worktrees
2211 );
2212 });
2213 }
2214
2215 #[gpui::test]
2216 async fn test_listing_models(cx: &mut TestAppContext) {
2217 init_test(cx);
2218 let fs = FakeFs::new(cx.executor());
2219 fs.insert_tree("/", json!({ "a": {} })).await;
2220 let project = Project::test(fs.clone(), [], cx).await;
2221 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2222 let connection =
2223 NativeAgentConnection(cx.update(|cx| {
2224 NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx)
2225 }));
2226
2227 // Create a thread/session
2228 let acp_thread = cx
2229 .update(|cx| {
2230 Rc::new(connection.clone()).new_session(
2231 project.clone(),
2232 PathList::new(&[Path::new("/a")]),
2233 cx,
2234 )
2235 })
2236 .await
2237 .unwrap();
2238
2239 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2240
2241 let models = cx
2242 .update(|cx| {
2243 connection
2244 .model_selector(&session_id)
2245 .unwrap()
2246 .list_models(cx)
2247 })
2248 .await
2249 .unwrap();
2250
2251 let acp_thread::AgentModelList::Grouped(models) = models else {
2252 panic!("Unexpected model group");
2253 };
2254 assert_eq!(
2255 models,
2256 IndexMap::from_iter([(
2257 AgentModelGroupName("Fake".into()),
2258 vec![AgentModelInfo {
2259 id: acp::ModelId::new("fake/fake"),
2260 name: "Fake".into(),
2261 description: None,
2262 icon: Some(acp_thread::AgentModelIcon::Named(
2263 ui::IconName::ZedAssistant
2264 )),
2265 is_latest: false,
2266 cost: None,
2267 }]
2268 )])
2269 );
2270 }
2271
2272 #[gpui::test]
2273 async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
2274 init_test(cx);
2275 let fs = FakeFs::new(cx.executor());
2276 fs.create_dir(paths::settings_file().parent().unwrap())
2277 .await
2278 .unwrap();
2279 fs.insert_file(
2280 paths::settings_file(),
2281 json!({
2282 "agent": {
2283 "default_model": {
2284 "provider": "foo",
2285 "model": "bar"
2286 }
2287 }
2288 })
2289 .to_string()
2290 .into_bytes(),
2291 )
2292 .await;
2293 let project = Project::test(fs.clone(), [], cx).await;
2294
2295 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2296
2297 // Create the agent and connection
2298 let agent =
2299 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2300 let connection = NativeAgentConnection(agent.clone());
2301
2302 // Create a thread/session
2303 let acp_thread = cx
2304 .update(|cx| {
2305 Rc::new(connection.clone()).new_session(
2306 project.clone(),
2307 PathList::new(&[Path::new("/a")]),
2308 cx,
2309 )
2310 })
2311 .await
2312 .unwrap();
2313
2314 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2315
2316 // Select a model
2317 let selector = connection.model_selector(&session_id).unwrap();
2318 let model_id = acp::ModelId::new("fake/fake");
2319 cx.update(|cx| selector.select_model(model_id.clone(), cx))
2320 .await
2321 .unwrap();
2322
2323 // Verify the thread has the selected model
2324 agent.read_with(cx, |agent, _| {
2325 let session = agent.sessions.get(&session_id).unwrap();
2326 session.thread.read_with(cx, |thread, _| {
2327 assert_eq!(thread.model().unwrap().id().0, "fake");
2328 });
2329 });
2330
2331 cx.run_until_parked();
2332
2333 // Verify settings file was updated
2334 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2335 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2336
2337 // Check that the agent settings contain the selected model
2338 assert_eq!(
2339 settings_json["agent"]["default_model"]["model"],
2340 json!("fake")
2341 );
2342 assert_eq!(
2343 settings_json["agent"]["default_model"]["provider"],
2344 json!("fake")
2345 );
2346
2347 // Register a thinking model and select it.
2348 cx.update(|cx| {
2349 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2350 "fake-corp",
2351 "fake-thinking",
2352 "Fake Thinking",
2353 true,
2354 ));
2355 let thinking_provider = Arc::new(
2356 FakeLanguageModelProvider::new(
2357 LanguageModelProviderId::from("fake-corp".to_string()),
2358 LanguageModelProviderName::from("Fake Corp".to_string()),
2359 )
2360 .with_models(vec![thinking_model]),
2361 );
2362 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2363 registry.register_provider(thinking_provider, cx);
2364 });
2365 });
2366 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2367
2368 let selector = connection.model_selector(&session_id).unwrap();
2369 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2370 .await
2371 .unwrap();
2372 cx.run_until_parked();
2373
2374 // Verify enable_thinking was written to settings as true.
2375 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2376 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2377 assert_eq!(
2378 settings_json["agent"]["default_model"]["enable_thinking"],
2379 json!(true),
2380 "selecting a thinking model should persist enable_thinking: true to settings"
2381 );
2382 }
2383
2384 #[gpui::test]
2385 async fn test_select_model_updates_thinking_enabled(cx: &mut TestAppContext) {
2386 init_test(cx);
2387 let fs = FakeFs::new(cx.executor());
2388 fs.create_dir(paths::settings_file().parent().unwrap())
2389 .await
2390 .unwrap();
2391 fs.insert_file(paths::settings_file(), b"{}".to_vec()).await;
2392 let project = Project::test(fs.clone(), [], cx).await;
2393
2394 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2395 let agent =
2396 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2397 let connection = NativeAgentConnection(agent.clone());
2398
2399 let acp_thread = cx
2400 .update(|cx| {
2401 Rc::new(connection.clone()).new_session(
2402 project.clone(),
2403 PathList::new(&[Path::new("/a")]),
2404 cx,
2405 )
2406 })
2407 .await
2408 .unwrap();
2409 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2410
2411 // Register a second provider with a thinking model.
2412 cx.update(|cx| {
2413 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2414 "fake-corp",
2415 "fake-thinking",
2416 "Fake Thinking",
2417 true,
2418 ));
2419 let thinking_provider = Arc::new(
2420 FakeLanguageModelProvider::new(
2421 LanguageModelProviderId::from("fake-corp".to_string()),
2422 LanguageModelProviderName::from("Fake Corp".to_string()),
2423 )
2424 .with_models(vec![thinking_model]),
2425 );
2426 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2427 registry.register_provider(thinking_provider, cx);
2428 });
2429 });
2430 // Refresh the agent's model list so it picks up the new provider.
2431 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2432
2433 // Thread starts with thinking_enabled = false (the default).
2434 agent.read_with(cx, |agent, _| {
2435 let session = agent.sessions.get(&session_id).unwrap();
2436 session.thread.read_with(cx, |thread, _| {
2437 assert!(!thread.thinking_enabled(), "thinking defaults to false");
2438 });
2439 });
2440
2441 // Select the thinking model via select_model.
2442 let selector = connection.model_selector(&session_id).unwrap();
2443 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2444 .await
2445 .unwrap();
2446
2447 // select_model should have enabled thinking based on the model's supports_thinking().
2448 agent.read_with(cx, |agent, _| {
2449 let session = agent.sessions.get(&session_id).unwrap();
2450 session.thread.read_with(cx, |thread, _| {
2451 assert!(
2452 thread.thinking_enabled(),
2453 "select_model should enable thinking when model supports it"
2454 );
2455 });
2456 });
2457
2458 // Switch back to the non-thinking model.
2459 let selector = connection.model_selector(&session_id).unwrap();
2460 cx.update(|cx| selector.select_model(acp::ModelId::new("fake/fake"), cx))
2461 .await
2462 .unwrap();
2463
2464 // select_model should have disabled thinking.
2465 agent.read_with(cx, |agent, _| {
2466 let session = agent.sessions.get(&session_id).unwrap();
2467 session.thread.read_with(cx, |thread, _| {
2468 assert!(
2469 !thread.thinking_enabled(),
2470 "select_model should disable thinking when model does not support it"
2471 );
2472 });
2473 });
2474 }
2475
2476 #[gpui::test]
2477 async fn test_summarization_model_survives_transient_registry_clearing(
2478 cx: &mut TestAppContext,
2479 ) {
2480 init_test(cx);
2481 let fs = FakeFs::new(cx.executor());
2482 fs.insert_tree("/", json!({ "a": {} })).await;
2483 let project = Project::test(fs.clone(), [], cx).await;
2484
2485 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2486 let agent =
2487 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2488 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2489
2490 let acp_thread = cx
2491 .update(|cx| {
2492 connection.clone().new_session(
2493 project.clone(),
2494 PathList::new(&[Path::new("/a")]),
2495 cx,
2496 )
2497 })
2498 .await
2499 .unwrap();
2500 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2501
2502 let thread = agent.read_with(cx, |agent, _| {
2503 agent.sessions.get(&session_id).unwrap().thread.clone()
2504 });
2505
2506 thread.read_with(cx, |thread, _| {
2507 assert!(
2508 thread.summarization_model().is_some(),
2509 "session should have a summarization model from the test registry"
2510 );
2511 });
2512
2513 // Simulate what happens during a provider blip:
2514 // update_active_language_model_from_settings calls set_default_model(None)
2515 // when it can't resolve the model, clearing all fallbacks.
2516 cx.update(|cx| {
2517 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2518 registry.set_default_model(None, cx);
2519 });
2520 });
2521 cx.run_until_parked();
2522
2523 thread.read_with(cx, |thread, _| {
2524 assert!(
2525 thread.summarization_model().is_some(),
2526 "summarization model should survive a transient default model clearing"
2527 );
2528 });
2529 }
2530
2531 #[gpui::test]
2532 async fn test_loaded_thread_preserves_thinking_enabled(cx: &mut TestAppContext) {
2533 init_test(cx);
2534 let fs = FakeFs::new(cx.executor());
2535 fs.insert_tree("/", json!({ "a": {} })).await;
2536 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2537 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2538 let agent = cx.update(|cx| {
2539 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2540 });
2541 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2542
2543 // Register a thinking model.
2544 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2545 "fake-corp",
2546 "fake-thinking",
2547 "Fake Thinking",
2548 true,
2549 ));
2550 let thinking_provider = Arc::new(
2551 FakeLanguageModelProvider::new(
2552 LanguageModelProviderId::from("fake-corp".to_string()),
2553 LanguageModelProviderName::from("Fake Corp".to_string()),
2554 )
2555 .with_models(vec![thinking_model.clone()]),
2556 );
2557 cx.update(|cx| {
2558 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2559 registry.register_provider(thinking_provider, cx);
2560 });
2561 });
2562 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2563
2564 // Create a thread and select the thinking model.
2565 let acp_thread = cx
2566 .update(|cx| {
2567 connection.clone().new_session(
2568 project.clone(),
2569 PathList::new(&[Path::new("/a")]),
2570 cx,
2571 )
2572 })
2573 .await
2574 .unwrap();
2575 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2576
2577 let selector = connection.model_selector(&session_id).unwrap();
2578 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2579 .await
2580 .unwrap();
2581
2582 // Verify thinking is enabled after selecting the thinking model.
2583 let thread = agent.read_with(cx, |agent, _| {
2584 agent.sessions.get(&session_id).unwrap().thread.clone()
2585 });
2586 thread.read_with(cx, |thread, _| {
2587 assert!(
2588 thread.thinking_enabled(),
2589 "thinking should be enabled after selecting thinking model"
2590 );
2591 });
2592
2593 // Send a message so the thread gets persisted.
2594 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2595 let send = cx.foreground_executor().spawn(send);
2596 cx.run_until_parked();
2597
2598 thinking_model.send_last_completion_stream_text_chunk("Response.");
2599 thinking_model.end_last_completion_stream();
2600
2601 send.await.unwrap();
2602 cx.run_until_parked();
2603
2604 // Close the session so it can be reloaded from disk.
2605 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2606 .await
2607 .unwrap();
2608 drop(thread);
2609 drop(acp_thread);
2610 agent.read_with(cx, |agent, _| {
2611 assert!(agent.sessions.is_empty());
2612 });
2613
2614 // Reload the thread and verify thinking_enabled is still true.
2615 let reloaded_acp_thread = agent
2616 .update(cx, |agent, cx| {
2617 agent.open_thread(session_id.clone(), project.clone(), cx)
2618 })
2619 .await
2620 .unwrap();
2621 let reloaded_thread = agent.read_with(cx, |agent, _| {
2622 agent.sessions.get(&session_id).unwrap().thread.clone()
2623 });
2624 reloaded_thread.read_with(cx, |thread, _| {
2625 assert!(
2626 thread.thinking_enabled(),
2627 "thinking_enabled should be preserved when reloading a thread with a thinking model"
2628 );
2629 });
2630
2631 drop(reloaded_acp_thread);
2632 }
2633
2634 #[gpui::test]
2635 async fn test_loaded_thread_preserves_model(cx: &mut TestAppContext) {
2636 init_test(cx);
2637 let fs = FakeFs::new(cx.executor());
2638 fs.insert_tree("/", json!({ "a": {} })).await;
2639 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2640 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2641 let agent = cx.update(|cx| {
2642 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2643 });
2644 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2645
2646 // Register a model where id() != name(), like real Anthropic models
2647 // (e.g. id="claude-sonnet-4-5-thinking-latest", name="Claude Sonnet 4.5 Thinking").
2648 let model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2649 "fake-corp",
2650 "custom-model-id",
2651 "Custom Model Display Name",
2652 false,
2653 ));
2654 let provider = Arc::new(
2655 FakeLanguageModelProvider::new(
2656 LanguageModelProviderId::from("fake-corp".to_string()),
2657 LanguageModelProviderName::from("Fake Corp".to_string()),
2658 )
2659 .with_models(vec![model.clone()]),
2660 );
2661 cx.update(|cx| {
2662 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2663 registry.register_provider(provider, cx);
2664 });
2665 });
2666 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2667
2668 // Create a thread and select the model.
2669 let acp_thread = cx
2670 .update(|cx| {
2671 connection.clone().new_session(
2672 project.clone(),
2673 PathList::new(&[Path::new("/a")]),
2674 cx,
2675 )
2676 })
2677 .await
2678 .unwrap();
2679 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2680
2681 let selector = connection.model_selector(&session_id).unwrap();
2682 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/custom-model-id"), cx))
2683 .await
2684 .unwrap();
2685
2686 let thread = agent.read_with(cx, |agent, _| {
2687 agent.sessions.get(&session_id).unwrap().thread.clone()
2688 });
2689 thread.read_with(cx, |thread, _| {
2690 assert_eq!(
2691 thread.model().unwrap().id().0.as_ref(),
2692 "custom-model-id",
2693 "model should be set before persisting"
2694 );
2695 });
2696
2697 // Send a message so the thread gets persisted.
2698 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2699 let send = cx.foreground_executor().spawn(send);
2700 cx.run_until_parked();
2701
2702 model.send_last_completion_stream_text_chunk("Response.");
2703 model.end_last_completion_stream();
2704
2705 send.await.unwrap();
2706 cx.run_until_parked();
2707
2708 // Close the session so it can be reloaded from disk.
2709 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2710 .await
2711 .unwrap();
2712 drop(thread);
2713 drop(acp_thread);
2714 agent.read_with(cx, |agent, _| {
2715 assert!(agent.sessions.is_empty());
2716 });
2717
2718 // Reload the thread and verify the model was preserved.
2719 let reloaded_acp_thread = agent
2720 .update(cx, |agent, cx| {
2721 agent.open_thread(session_id.clone(), project.clone(), cx)
2722 })
2723 .await
2724 .unwrap();
2725 let reloaded_thread = agent.read_with(cx, |agent, _| {
2726 agent.sessions.get(&session_id).unwrap().thread.clone()
2727 });
2728 reloaded_thread.read_with(cx, |thread, _| {
2729 let reloaded_model = thread
2730 .model()
2731 .expect("model should be present after reload");
2732 assert_eq!(
2733 reloaded_model.id().0.as_ref(),
2734 "custom-model-id",
2735 "reloaded thread should have the same model, not fall back to the default"
2736 );
2737 });
2738
2739 drop(reloaded_acp_thread);
2740 }
2741
2742 #[gpui::test]
2743 async fn test_save_load_thread(cx: &mut TestAppContext) {
2744 init_test(cx);
2745 let fs = FakeFs::new(cx.executor());
2746 fs.insert_tree(
2747 "/",
2748 json!({
2749 "a": {
2750 "b.md": "Lorem"
2751 }
2752 }),
2753 )
2754 .await;
2755 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2756 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2757 let agent = cx.update(|cx| {
2758 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2759 });
2760 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2761
2762 let acp_thread = cx
2763 .update(|cx| {
2764 connection
2765 .clone()
2766 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
2767 })
2768 .await
2769 .unwrap();
2770 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2771 let thread = agent.read_with(cx, |agent, _| {
2772 agent.sessions.get(&session_id).unwrap().thread.clone()
2773 });
2774
2775 // Ensure empty threads are not saved, even if they get mutated.
2776 let model = Arc::new(FakeLanguageModel::default());
2777 let summary_model = Arc::new(FakeLanguageModel::default());
2778 thread.update(cx, |thread, cx| {
2779 thread.set_model(model.clone(), cx);
2780 thread.set_summarization_model(Some(summary_model.clone()), cx);
2781 });
2782 cx.run_until_parked();
2783 assert_eq!(thread_entries(&thread_store, cx), vec![]);
2784
2785 let send = acp_thread.update(cx, |thread, cx| {
2786 thread.send(
2787 vec![
2788 "What does ".into(),
2789 acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
2790 "b.md",
2791 MentionUri::File {
2792 abs_path: path!("/a/b.md").into(),
2793 }
2794 .to_uri()
2795 .to_string(),
2796 )),
2797 " mean?".into(),
2798 ],
2799 cx,
2800 )
2801 });
2802 let send = cx.foreground_executor().spawn(send);
2803 cx.run_until_parked();
2804
2805 model.send_last_completion_stream_text_chunk("Lorem.");
2806 model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
2807 language_model::TokenUsage {
2808 input_tokens: 150,
2809 output_tokens: 75,
2810 ..Default::default()
2811 },
2812 ));
2813 model.end_last_completion_stream();
2814 cx.run_until_parked();
2815 summary_model
2816 .send_last_completion_stream_text_chunk(&format!("Explaining {}", path!("/a/b.md")));
2817 summary_model.end_last_completion_stream();
2818
2819 send.await.unwrap();
2820 let uri = MentionUri::File {
2821 abs_path: path!("/a/b.md").into(),
2822 }
2823 .to_uri();
2824 acp_thread.read_with(cx, |thread, cx| {
2825 assert_eq!(
2826 thread.to_markdown(cx),
2827 formatdoc! {"
2828 ## User
2829
2830 What does [@b.md]({uri}) mean?
2831
2832 ## Assistant
2833
2834 Lorem.
2835
2836 "}
2837 )
2838 });
2839
2840 cx.run_until_parked();
2841
2842 // Set a draft prompt with rich content blocks and scroll position
2843 // AFTER run_until_parked, so the only save that captures these
2844 // changes is the one performed by close_session itself.
2845 let draft_blocks = vec![
2846 acp::ContentBlock::Text(acp::TextContent::new("Check out ")),
2847 acp::ContentBlock::ResourceLink(acp::ResourceLink::new("b.md", uri.to_string())),
2848 acp::ContentBlock::Text(acp::TextContent::new(" please")),
2849 ];
2850 acp_thread.update(cx, |thread, _cx| {
2851 thread.set_draft_prompt(Some(draft_blocks.clone()));
2852 });
2853 thread.update(cx, |thread, _cx| {
2854 thread.set_ui_scroll_position(Some(gpui::ListOffset {
2855 item_ix: 5,
2856 offset_in_item: gpui::px(12.5),
2857 }));
2858 });
2859
2860 // Close the session so it can be reloaded from disk.
2861 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2862 .await
2863 .unwrap();
2864 drop(thread);
2865 drop(acp_thread);
2866 agent.read_with(cx, |agent, _| {
2867 assert_eq!(agent.sessions.keys().cloned().collect::<Vec<_>>(), []);
2868 });
2869
2870 // Ensure the thread can be reloaded from disk.
2871 assert_eq!(
2872 thread_entries(&thread_store, cx),
2873 vec![(
2874 session_id.clone(),
2875 format!("Explaining {}", path!("/a/b.md"))
2876 )]
2877 );
2878 let acp_thread = agent
2879 .update(cx, |agent, cx| {
2880 agent.open_thread(session_id.clone(), project.clone(), cx)
2881 })
2882 .await
2883 .unwrap();
2884 acp_thread.read_with(cx, |thread, cx| {
2885 assert_eq!(
2886 thread.to_markdown(cx),
2887 formatdoc! {"
2888 ## User
2889
2890 What does [@b.md]({uri}) mean?
2891
2892 ## Assistant
2893
2894 Lorem.
2895
2896 "}
2897 )
2898 });
2899
2900 // Ensure the draft prompt with rich content blocks survived the round-trip.
2901 acp_thread.read_with(cx, |thread, _| {
2902 assert_eq!(thread.draft_prompt(), Some(draft_blocks.as_slice()));
2903 });
2904
2905 // Ensure token usage survived the round-trip.
2906 acp_thread.read_with(cx, |thread, _| {
2907 let usage = thread
2908 .token_usage()
2909 .expect("token usage should be restored after reload");
2910 assert_eq!(usage.input_tokens, 150);
2911 assert_eq!(usage.output_tokens, 75);
2912 });
2913
2914 // Ensure scroll position survived the round-trip.
2915 acp_thread.read_with(cx, |thread, _| {
2916 let scroll = thread
2917 .ui_scroll_position()
2918 .expect("scroll position should be restored after reload");
2919 assert_eq!(scroll.item_ix, 5);
2920 assert_eq!(scroll.offset_in_item, gpui::px(12.5));
2921 });
2922 }
2923
2924 #[gpui::test]
2925 async fn test_close_session_saves_thread(cx: &mut TestAppContext) {
2926 init_test(cx);
2927 let fs = FakeFs::new(cx.executor());
2928 fs.insert_tree(
2929 "/",
2930 json!({
2931 "a": {
2932 "file.txt": "hello"
2933 }
2934 }),
2935 )
2936 .await;
2937 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2938 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2939 let agent = cx.update(|cx| {
2940 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2941 });
2942 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2943
2944 let acp_thread = cx
2945 .update(|cx| {
2946 connection
2947 .clone()
2948 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
2949 })
2950 .await
2951 .unwrap();
2952 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2953 let thread = agent.read_with(cx, |agent, _| {
2954 agent.sessions.get(&session_id).unwrap().thread.clone()
2955 });
2956
2957 let model = Arc::new(FakeLanguageModel::default());
2958 thread.update(cx, |thread, cx| {
2959 thread.set_model(model.clone(), cx);
2960 });
2961
2962 // Send a message so the thread is non-empty (empty threads aren't saved).
2963 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["hello".into()], cx));
2964 let send = cx.foreground_executor().spawn(send);
2965 cx.run_until_parked();
2966
2967 model.send_last_completion_stream_text_chunk("world");
2968 model.end_last_completion_stream();
2969 send.await.unwrap();
2970 cx.run_until_parked();
2971
2972 // Set a draft prompt WITHOUT calling run_until_parked afterwards.
2973 // This means no observe-triggered save has run for this change.
2974 // The only way this data gets persisted is if close_session
2975 // itself performs the save.
2976 let draft_blocks = vec![acp::ContentBlock::Text(acp::TextContent::new(
2977 "unsaved draft",
2978 ))];
2979 acp_thread.update(cx, |thread, _cx| {
2980 thread.set_draft_prompt(Some(draft_blocks.clone()));
2981 });
2982
2983 // Close the session immediately — no run_until_parked in between.
2984 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2985 .await
2986 .unwrap();
2987 cx.run_until_parked();
2988
2989 // Reopen and verify the draft prompt was saved.
2990 let reloaded = agent
2991 .update(cx, |agent, cx| {
2992 agent.open_thread(session_id.clone(), project.clone(), cx)
2993 })
2994 .await
2995 .unwrap();
2996 reloaded.read_with(cx, |thread, _| {
2997 assert_eq!(
2998 thread.draft_prompt(),
2999 Some(draft_blocks.as_slice()),
3000 "close_session must save the thread; draft prompt was lost"
3001 );
3002 });
3003 }
3004
3005 #[gpui::test]
3006 async fn test_rapid_title_changes_do_not_loop(cx: &mut TestAppContext) {
3007 // Regression test: rapid title changes must not cause a propagation loop
3008 // between Thread and AcpThread via handle_thread_title_updated.
3009 init_test(cx);
3010 let fs = FakeFs::new(cx.executor());
3011 fs.insert_tree("/", json!({ "a": {} })).await;
3012 let project = Project::test(fs.clone(), [], cx).await;
3013 let thread_store = cx.new(|cx| ThreadStore::new(cx));
3014 let agent = cx.update(|cx| {
3015 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
3016 });
3017 let connection = Rc::new(NativeAgentConnection(agent.clone()));
3018
3019 let acp_thread = cx
3020 .update(|cx| {
3021 connection
3022 .clone()
3023 .new_session(project.clone(), PathList::new(&[Path::new("")]), cx)
3024 })
3025 .await
3026 .unwrap();
3027
3028 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
3029 let thread = agent.read_with(cx, |agent, _| {
3030 agent.sessions.get(&session_id).unwrap().thread.clone()
3031 });
3032
3033 let title_updated_count = Rc::new(std::cell::RefCell::new(0usize));
3034 cx.update(|cx| {
3035 let count = title_updated_count.clone();
3036 cx.subscribe(
3037 &thread,
3038 move |_entity: Entity<Thread>, _event: &TitleUpdated, _cx: &mut App| {
3039 let new_count = {
3040 let mut count = count.borrow_mut();
3041 *count += 1;
3042 *count
3043 };
3044 assert!(
3045 new_count <= 2,
3046 "TitleUpdated fired {new_count} times; \
3047 title updates are looping"
3048 );
3049 },
3050 )
3051 .detach();
3052 });
3053
3054 thread.update(cx, |thread, cx| thread.set_title("first".into(), cx));
3055 thread.update(cx, |thread, cx| thread.set_title("second".into(), cx));
3056
3057 cx.run_until_parked();
3058
3059 thread.read_with(cx, |thread, _| {
3060 assert_eq!(thread.title(), Some("second".into()));
3061 });
3062 acp_thread.read_with(cx, |acp_thread, _| {
3063 assert_eq!(acp_thread.title(), Some("second".into()));
3064 });
3065
3066 assert_eq!(*title_updated_count.borrow(), 2);
3067 }
3068
3069 fn thread_entries(
3070 thread_store: &Entity<ThreadStore>,
3071 cx: &mut TestAppContext,
3072 ) -> Vec<(acp::SessionId, String)> {
3073 thread_store.read_with(cx, |store, _| {
3074 store
3075 .entries()
3076 .map(|entry| (entry.id.clone(), entry.title.to_string()))
3077 .collect::<Vec<_>>()
3078 })
3079 }
3080
3081 fn init_test(cx: &mut TestAppContext) {
3082 env_logger::try_init().ok();
3083 cx.update(|cx| {
3084 let settings_store = SettingsStore::test(cx);
3085 cx.set_global(settings_store);
3086
3087 LanguageModelRegistry::test(cx);
3088 });
3089 }
3090}
3091
3092fn mcp_message_content_to_acp_content_block(
3093 content: context_server::types::MessageContent,
3094) -> acp::ContentBlock {
3095 match content {
3096 context_server::types::MessageContent::Text {
3097 text,
3098 annotations: _,
3099 } => text.into(),
3100 context_server::types::MessageContent::Image {
3101 data,
3102 mime_type,
3103 annotations: _,
3104 } => acp::ContentBlock::Image(acp::ImageContent::new(data, mime_type)),
3105 context_server::types::MessageContent::Audio {
3106 data,
3107 mime_type,
3108 annotations: _,
3109 } => acp::ContentBlock::Audio(acp::AudioContent::new(data, mime_type)),
3110 context_server::types::MessageContent::Resource {
3111 resource,
3112 annotations: _,
3113 } => {
3114 let mut link =
3115 acp::ResourceLink::new(resource.uri.to_string(), resource.uri.to_string());
3116 if let Some(mime_type) = resource.mime_type {
3117 link = link.mime_type(mime_type);
3118 }
3119 acp::ContentBlock::ResourceLink(link)
3120 }
3121 }
3122}