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