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::{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::{Path, PathBuf};
53use std::rc::Rc;
54use std::sync::Arc;
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<()>,
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(()),
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_mut(&project_id) {
497 state.project_context = cx.new(|_| project_context);
498 }
499 })?;
500 }
501
502 Ok(())
503 }
504
505 fn build_project_context(
506 project: &Entity<Project>,
507 prompt_store: Option<&Entity<PromptStore>>,
508 cx: &mut App,
509 ) -> Task<ProjectContext> {
510 let worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
511 let worktree_tasks = worktrees
512 .into_iter()
513 .map(|worktree| {
514 Self::load_worktree_info_for_system_prompt(worktree, project.clone(), cx)
515 })
516 .collect::<Vec<_>>();
517 let default_user_rules_task = if let Some(prompt_store) = prompt_store.as_ref() {
518 prompt_store.read_with(cx, |prompt_store, cx| {
519 let prompts = prompt_store.default_prompt_metadata();
520 let load_tasks = prompts.into_iter().map(|prompt_metadata| {
521 let contents = prompt_store.load(prompt_metadata.id, cx);
522 async move { (contents.await, prompt_metadata) }
523 });
524 cx.background_spawn(future::join_all(load_tasks))
525 })
526 } else {
527 Task::ready(vec![])
528 };
529
530 cx.spawn(async move |_cx| {
531 let (worktrees, default_user_rules) =
532 future::join(future::join_all(worktree_tasks), default_user_rules_task).await;
533
534 let worktrees = worktrees
535 .into_iter()
536 .map(|(worktree, _rules_error)| {
537 // TODO: show error message
538 // if let Some(rules_error) = rules_error {
539 // this.update(cx, |_, cx| cx.emit(rules_error)).ok();
540 // }
541 worktree
542 })
543 .collect::<Vec<_>>();
544
545 let default_user_rules = default_user_rules
546 .into_iter()
547 .flat_map(|(contents, prompt_metadata)| match contents {
548 Ok(contents) => Some(UserRulesContext {
549 uuid: prompt_metadata.id.as_user()?,
550 title: prompt_metadata.title.map(|title| title.to_string()),
551 contents,
552 }),
553 Err(_err) => {
554 // TODO: show error message
555 // this.update(cx, |_, cx| {
556 // cx.emit(RulesLoadingError {
557 // message: format!("{err:?}").into(),
558 // });
559 // })
560 // .ok();
561 None
562 }
563 })
564 .collect::<Vec<_>>();
565
566 ProjectContext::new(worktrees, default_user_rules)
567 })
568 }
569
570 fn load_worktree_info_for_system_prompt(
571 worktree: Entity<Worktree>,
572 project: Entity<Project>,
573 cx: &mut App,
574 ) -> Task<(WorktreeContext, Option<RulesLoadingError>)> {
575 let tree = worktree.read(cx);
576 let root_name = tree.root_name_str().into();
577 let abs_path = tree.abs_path();
578
579 let mut context = WorktreeContext {
580 root_name,
581 abs_path,
582 rules_file: None,
583 };
584
585 let rules_task = Self::load_worktree_rules_file(worktree, project, cx);
586 let Some(rules_task) = rules_task else {
587 return Task::ready((context, None));
588 };
589
590 cx.spawn(async move |_| {
591 let (rules_file, rules_file_error) = match rules_task.await {
592 Ok(rules_file) => (Some(rules_file), None),
593 Err(err) => (
594 None,
595 Some(RulesLoadingError {
596 message: format!("{err}").into(),
597 }),
598 ),
599 };
600 context.rules_file = rules_file;
601 (context, rules_file_error)
602 })
603 }
604
605 fn load_worktree_rules_file(
606 worktree: Entity<Worktree>,
607 project: Entity<Project>,
608 cx: &mut App,
609 ) -> Option<Task<Result<RulesFileContext>>> {
610 let worktree = worktree.read(cx);
611 let worktree_id = worktree.id();
612 let selected_rules_file = RULES_FILE_NAMES
613 .into_iter()
614 .filter_map(|name| {
615 worktree
616 .entry_for_path(RelPath::unix(name).unwrap())
617 .filter(|entry| entry.is_file())
618 .map(|entry| entry.path.clone())
619 })
620 .next();
621
622 // Note that Cline supports `.clinerules` being a directory, but that is not currently
623 // supported. This doesn't seem to occur often in GitHub repositories.
624 selected_rules_file.map(|path_in_worktree| {
625 let project_path = ProjectPath {
626 worktree_id,
627 path: path_in_worktree.clone(),
628 };
629 let buffer_task =
630 project.update(cx, |project, cx| project.open_buffer(project_path, cx));
631 let rope_task = cx.spawn(async move |cx| {
632 let buffer = buffer_task.await?;
633 let (project_entry_id, rope) = buffer.read_with(cx, |buffer, cx| {
634 let project_entry_id = buffer.entry_id(cx).context("buffer has no file")?;
635 anyhow::Ok((project_entry_id, buffer.as_rope().clone()))
636 })?;
637 anyhow::Ok((project_entry_id, rope))
638 });
639 // Build a string from the rope on a background thread.
640 cx.background_spawn(async move {
641 let (project_entry_id, rope) = rope_task.await?;
642 anyhow::Ok(RulesFileContext {
643 path_in_worktree,
644 text: rope.to_string().trim().to_string(),
645 project_entry_id: project_entry_id.to_usize(),
646 })
647 })
648 })
649 }
650
651 fn handle_thread_title_updated(
652 &mut self,
653 thread: Entity<Thread>,
654 _: &TitleUpdated,
655 cx: &mut Context<Self>,
656 ) {
657 let session_id = thread.read(cx).id();
658 let Some(session) = self.sessions.get(session_id) else {
659 return;
660 };
661 let thread = thread.downgrade();
662 let acp_thread = session.acp_thread.downgrade();
663 cx.spawn(async move |_, cx| {
664 let title = thread.read_with(cx, |thread, _| thread.title())?;
665 let task = acp_thread.update(cx, |acp_thread, cx| acp_thread.set_title(title, cx))?;
666 task.await
667 })
668 .detach_and_log_err(cx);
669 }
670
671 fn handle_thread_token_usage_updated(
672 &mut self,
673 thread: Entity<Thread>,
674 usage: &TokenUsageUpdated,
675 cx: &mut Context<Self>,
676 ) {
677 let Some(session) = self.sessions.get(thread.read(cx).id()) else {
678 return;
679 };
680 session.acp_thread.update(cx, |acp_thread, cx| {
681 acp_thread.update_token_usage(usage.0.clone(), cx);
682 });
683 }
684
685 fn handle_project_event(
686 &mut self,
687 project: Entity<Project>,
688 event: &project::Event,
689 _cx: &mut Context<Self>,
690 ) {
691 let project_id = project.entity_id();
692 let Some(state) = self.projects.get_mut(&project_id) else {
693 return;
694 };
695 match event {
696 project::Event::WorktreeAdded(_) | project::Event::WorktreeRemoved(_) => {
697 state.project_context_needs_refresh.send(()).ok();
698 }
699 project::Event::WorktreeUpdatedEntries(_, items) => {
700 if items.iter().any(|(path, _, _)| {
701 RULES_FILE_NAMES
702 .iter()
703 .any(|name| path.as_ref() == RelPath::unix(name).unwrap())
704 }) {
705 state.project_context_needs_refresh.send(()).ok();
706 }
707 }
708 _ => {}
709 }
710 }
711
712 fn handle_prompts_updated_event(
713 &mut self,
714 _prompt_store: Entity<PromptStore>,
715 _event: &prompt_store::PromptsUpdatedEvent,
716 _cx: &mut Context<Self>,
717 ) {
718 for state in self.projects.values_mut() {
719 state.project_context_needs_refresh.send(()).ok();
720 }
721 }
722
723 fn handle_models_updated_event(
724 &mut self,
725 _registry: Entity<LanguageModelRegistry>,
726 _event: &language_model::Event,
727 cx: &mut Context<Self>,
728 ) {
729 self.models.refresh_list(cx);
730
731 let registry = LanguageModelRegistry::read_global(cx);
732 let default_model = registry.default_model().map(|m| m.model);
733 let summarization_model = registry.thread_summary_model().map(|m| m.model);
734
735 for session in self.sessions.values_mut() {
736 session.thread.update(cx, |thread, cx| {
737 if thread.model().is_none()
738 && let Some(model) = default_model.clone()
739 {
740 thread.set_model(model, cx);
741 cx.notify();
742 }
743 thread.set_summarization_model(summarization_model.clone(), cx);
744 });
745 }
746 }
747
748 fn handle_context_server_store_updated(
749 &mut self,
750 store: Entity<project::context_server_store::ContextServerStore>,
751 _event: &project::context_server_store::ServerStatusChangedEvent,
752 cx: &mut Context<Self>,
753 ) {
754 let project_id = self.projects.iter().find_map(|(id, state)| {
755 if *state.context_server_registry.read(cx).server_store() == store {
756 Some(*id)
757 } else {
758 None
759 }
760 });
761 if let Some(project_id) = project_id {
762 self.update_available_commands_for_project(project_id, cx);
763 }
764 }
765
766 fn handle_context_server_registry_event(
767 &mut self,
768 registry: Entity<ContextServerRegistry>,
769 event: &ContextServerRegistryEvent,
770 cx: &mut Context<Self>,
771 ) {
772 match event {
773 ContextServerRegistryEvent::ToolsChanged => {}
774 ContextServerRegistryEvent::PromptsChanged => {
775 let project_id = self.projects.iter().find_map(|(id, state)| {
776 if state.context_server_registry == registry {
777 Some(*id)
778 } else {
779 None
780 }
781 });
782 if let Some(project_id) = project_id {
783 self.update_available_commands_for_project(project_id, cx);
784 }
785 }
786 }
787 }
788
789 fn update_available_commands_for_project(&self, project_id: EntityId, cx: &mut Context<Self>) {
790 let available_commands =
791 Self::build_available_commands_for_project(self.projects.get(&project_id), cx);
792 for session in self.sessions.values() {
793 if session.project_id != project_id {
794 continue;
795 }
796 session.acp_thread.update(cx, |thread, cx| {
797 thread
798 .handle_session_update(
799 acp::SessionUpdate::AvailableCommandsUpdate(
800 acp::AvailableCommandsUpdate::new(available_commands.clone()),
801 ),
802 cx,
803 )
804 .log_err();
805 });
806 }
807 }
808
809 fn build_available_commands_for_project(
810 project_state: Option<&ProjectState>,
811 cx: &App,
812 ) -> Vec<acp::AvailableCommand> {
813 let Some(state) = project_state else {
814 return vec![];
815 };
816 let registry = state.context_server_registry.read(cx);
817
818 let mut prompt_name_counts: HashMap<&str, usize> = HashMap::default();
819 for context_server_prompt in registry.prompts() {
820 *prompt_name_counts
821 .entry(context_server_prompt.prompt.name.as_str())
822 .or_insert(0) += 1;
823 }
824
825 registry
826 .prompts()
827 .flat_map(|context_server_prompt| {
828 let prompt = &context_server_prompt.prompt;
829
830 let should_prefix = prompt_name_counts
831 .get(prompt.name.as_str())
832 .copied()
833 .unwrap_or(0)
834 > 1;
835
836 let name = if should_prefix {
837 format!("{}.{}", context_server_prompt.server_id, prompt.name)
838 } else {
839 prompt.name.clone()
840 };
841
842 let mut command = acp::AvailableCommand::new(
843 name,
844 prompt.description.clone().unwrap_or_default(),
845 );
846
847 match prompt.arguments.as_deref() {
848 Some([arg]) => {
849 let hint = format!("<{}>", arg.name);
850
851 command = command.input(acp::AvailableCommandInput::Unstructured(
852 acp::UnstructuredCommandInput::new(hint),
853 ));
854 }
855 Some([]) | None => {}
856 Some(_) => {
857 // skip >1 argument commands since we don't support them yet
858 return None;
859 }
860 }
861
862 Some(command)
863 })
864 .collect()
865 }
866
867 pub fn load_thread(
868 &mut self,
869 id: acp::SessionId,
870 project: Entity<Project>,
871 cx: &mut Context<Self>,
872 ) -> Task<Result<Entity<Thread>>> {
873 let project_id = self.get_or_create_project_state(&project, cx);
874 let database_future = ThreadsDatabase::connect(cx);
875 cx.spawn(async move |this, cx| {
876 let database = database_future.await.map_err(|err| anyhow!(err))?;
877 let db_thread = database
878 .load_thread(id.clone())
879 .await?
880 .with_context(|| format!("no thread found with ID: {id:?}"))?;
881
882 this.update(cx, |this, cx| {
883 let project_state = this
884 .projects
885 .get(&project_id)
886 .context("project state not found")?;
887 let summarization_model = LanguageModelRegistry::read_global(cx)
888 .thread_summary_model()
889 .map(|c| c.model);
890
891 Ok(cx.new(|cx| {
892 let mut thread = Thread::from_db(
893 id.clone(),
894 db_thread,
895 project_state.project.clone(),
896 project_state.project_context.clone(),
897 project_state.context_server_registry.clone(),
898 this.templates.clone(),
899 cx,
900 );
901 thread.set_summarization_model(summarization_model, cx);
902 thread
903 }))
904 })?
905 })
906 }
907
908 pub fn open_thread(
909 &mut self,
910 id: acp::SessionId,
911 project: Entity<Project>,
912 cx: &mut Context<Self>,
913 ) -> Task<Result<Entity<AcpThread>>> {
914 if let Some(session) = self.sessions.get(&id) {
915 return Task::ready(Ok(session.acp_thread.clone()));
916 }
917
918 let project_id = self.get_or_create_project_state(&project, cx);
919 let task = self.load_thread(id, project, cx);
920 cx.spawn(async move |this, cx| {
921 let thread = task.await?;
922 let acp_thread = this.update(cx, |this, cx| {
923 this.register_session(thread.clone(), project_id, cx)
924 })?;
925 let events = thread.update(cx, |thread, cx| thread.replay(cx));
926 cx.update(|cx| {
927 NativeAgentConnection::handle_thread_events(events, acp_thread.downgrade(), cx)
928 })
929 .await?;
930 Ok(acp_thread)
931 })
932 }
933
934 pub fn thread_summary(
935 &mut self,
936 id: acp::SessionId,
937 project: Entity<Project>,
938 cx: &mut Context<Self>,
939 ) -> Task<Result<SharedString>> {
940 let thread = self.open_thread(id.clone(), project, cx);
941 cx.spawn(async move |this, cx| {
942 let acp_thread = thread.await?;
943 let result = this
944 .update(cx, |this, cx| {
945 this.sessions
946 .get(&id)
947 .unwrap()
948 .thread
949 .update(cx, |thread, cx| thread.summary(cx))
950 })?
951 .await
952 .context("Failed to generate summary")?;
953 drop(acp_thread);
954 Ok(result)
955 })
956 }
957
958 fn save_thread(&mut self, thread: Entity<Thread>, cx: &mut Context<Self>) {
959 if thread.read(cx).is_empty() {
960 return;
961 }
962
963 let id = thread.read(cx).id().clone();
964 let Some(session) = self.sessions.get_mut(&id) else {
965 return;
966 };
967
968 let project_id = session.project_id;
969 let Some(state) = self.projects.get(&project_id) else {
970 return;
971 };
972
973 let folder_paths = PathList::new(
974 &state
975 .project
976 .read(cx)
977 .visible_worktrees(cx)
978 .map(|worktree| worktree.read(cx).abs_path().to_path_buf())
979 .collect::<Vec<_>>(),
980 );
981
982 let draft_prompt = session.acp_thread.read(cx).draft_prompt().map(Vec::from);
983 let database_future = ThreadsDatabase::connect(cx);
984 let db_thread = thread.update(cx, |thread, cx| {
985 thread.set_draft_prompt(draft_prompt);
986 thread.to_db(cx)
987 });
988 let thread_store = self.thread_store.clone();
989 session.pending_save = cx.spawn(async move |_, cx| {
990 let Some(database) = database_future.await.map_err(|err| anyhow!(err)).log_err() else {
991 return;
992 };
993 let db_thread = db_thread.await;
994 database
995 .save_thread(id, db_thread, folder_paths)
996 .await
997 .log_err();
998 thread_store.update(cx, |store, cx| store.reload(cx));
999 });
1000 }
1001
1002 fn send_mcp_prompt(
1003 &self,
1004 message_id: UserMessageId,
1005 session_id: acp::SessionId,
1006 prompt_name: String,
1007 server_id: ContextServerId,
1008 arguments: HashMap<String, String>,
1009 original_content: Vec<acp::ContentBlock>,
1010 cx: &mut Context<Self>,
1011 ) -> Task<Result<acp::PromptResponse>> {
1012 let Some(state) = self.session_project_state(&session_id) else {
1013 return Task::ready(Err(anyhow!("Project state not found for session")));
1014 };
1015 let server_store = state
1016 .context_server_registry
1017 .read(cx)
1018 .server_store()
1019 .clone();
1020 let path_style = state.project.read(cx).path_style(cx);
1021
1022 cx.spawn(async move |this, cx| {
1023 let prompt =
1024 crate::get_prompt(&server_store, &server_id, &prompt_name, arguments, cx).await?;
1025
1026 let (acp_thread, thread) = this.update(cx, |this, _cx| {
1027 let session = this
1028 .sessions
1029 .get(&session_id)
1030 .context("Failed to get session")?;
1031 anyhow::Ok((session.acp_thread.clone(), session.thread.clone()))
1032 })??;
1033
1034 let mut last_is_user = true;
1035
1036 thread.update(cx, |thread, cx| {
1037 thread.push_acp_user_block(
1038 message_id,
1039 original_content.into_iter().skip(1),
1040 path_style,
1041 cx,
1042 );
1043 });
1044
1045 for message in prompt.messages {
1046 let context_server::types::PromptMessage { role, content } = message;
1047 let block = mcp_message_content_to_acp_content_block(content);
1048
1049 match role {
1050 context_server::types::Role::User => {
1051 let id = acp_thread::UserMessageId::new();
1052
1053 acp_thread.update(cx, |acp_thread, cx| {
1054 acp_thread.push_user_content_block_with_indent(
1055 Some(id.clone()),
1056 block.clone(),
1057 true,
1058 cx,
1059 );
1060 });
1061
1062 thread.update(cx, |thread, cx| {
1063 thread.push_acp_user_block(id, [block], path_style, cx);
1064 });
1065 }
1066 context_server::types::Role::Assistant => {
1067 acp_thread.update(cx, |acp_thread, cx| {
1068 acp_thread.push_assistant_content_block_with_indent(
1069 block.clone(),
1070 false,
1071 true,
1072 cx,
1073 );
1074 });
1075
1076 thread.update(cx, |thread, cx| {
1077 thread.push_acp_agent_block(block, cx);
1078 });
1079 }
1080 }
1081
1082 last_is_user = role == context_server::types::Role::User;
1083 }
1084
1085 let response_stream = thread.update(cx, |thread, cx| {
1086 if last_is_user {
1087 thread.send_existing(cx)
1088 } else {
1089 // Resume if MCP prompt did not end with a user message
1090 thread.resume(cx)
1091 }
1092 })?;
1093
1094 cx.update(|cx| {
1095 NativeAgentConnection::handle_thread_events(
1096 response_stream,
1097 acp_thread.downgrade(),
1098 cx,
1099 )
1100 })
1101 .await
1102 })
1103 }
1104}
1105
1106/// Wrapper struct that implements the AgentConnection trait
1107#[derive(Clone)]
1108pub struct NativeAgentConnection(pub Entity<NativeAgent>);
1109
1110impl NativeAgentConnection {
1111 pub fn thread(&self, session_id: &acp::SessionId, cx: &App) -> Option<Entity<Thread>> {
1112 self.0
1113 .read(cx)
1114 .sessions
1115 .get(session_id)
1116 .map(|session| session.thread.clone())
1117 }
1118
1119 pub fn load_thread(
1120 &self,
1121 id: acp::SessionId,
1122 project: Entity<Project>,
1123 cx: &mut App,
1124 ) -> Task<Result<Entity<Thread>>> {
1125 self.0
1126 .update(cx, |this, cx| this.load_thread(id, project, cx))
1127 }
1128
1129 fn run_turn(
1130 &self,
1131 session_id: acp::SessionId,
1132 cx: &mut App,
1133 f: impl 'static
1134 + FnOnce(Entity<Thread>, &mut App) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>,
1135 ) -> Task<Result<acp::PromptResponse>> {
1136 let Some((thread, acp_thread)) = self.0.update(cx, |agent, _cx| {
1137 agent
1138 .sessions
1139 .get_mut(&session_id)
1140 .map(|s| (s.thread.clone(), s.acp_thread.clone()))
1141 }) else {
1142 return Task::ready(Err(anyhow!("Session not found")));
1143 };
1144 log::debug!("Found session for: {}", session_id);
1145
1146 let response_stream = match f(thread, cx) {
1147 Ok(stream) => stream,
1148 Err(err) => return Task::ready(Err(err)),
1149 };
1150 Self::handle_thread_events(response_stream, acp_thread.downgrade(), cx)
1151 }
1152
1153 fn handle_thread_events(
1154 mut events: mpsc::UnboundedReceiver<Result<ThreadEvent>>,
1155 acp_thread: WeakEntity<AcpThread>,
1156 cx: &App,
1157 ) -> Task<Result<acp::PromptResponse>> {
1158 cx.spawn(async move |cx| {
1159 // Handle response stream and forward to session.acp_thread
1160 while let Some(result) = events.next().await {
1161 match result {
1162 Ok(event) => {
1163 log::trace!("Received completion event: {:?}", event);
1164
1165 match event {
1166 ThreadEvent::UserMessage(message) => {
1167 acp_thread.update(cx, |thread, cx| {
1168 for content in message.content {
1169 thread.push_user_content_block(
1170 Some(message.id.clone()),
1171 content.into(),
1172 cx,
1173 );
1174 }
1175 })?;
1176 }
1177 ThreadEvent::AgentText(text) => {
1178 acp_thread.update(cx, |thread, cx| {
1179 thread.push_assistant_content_block(text.into(), false, cx)
1180 })?;
1181 }
1182 ThreadEvent::AgentThinking(text) => {
1183 acp_thread.update(cx, |thread, cx| {
1184 thread.push_assistant_content_block(text.into(), true, cx)
1185 })?;
1186 }
1187 ThreadEvent::ToolCallAuthorization(ToolCallAuthorization {
1188 tool_call,
1189 options,
1190 response,
1191 context: _,
1192 }) => {
1193 let outcome_task = acp_thread.update(cx, |thread, cx| {
1194 thread.request_tool_call_authorization(tool_call, options, cx)
1195 })??;
1196 cx.background_spawn(async move {
1197 if let acp::RequestPermissionOutcome::Selected(
1198 acp::SelectedPermissionOutcome { option_id, .. },
1199 ) = outcome_task.await
1200 {
1201 response
1202 .send(option_id)
1203 .map(|_| anyhow!("authorization receiver was dropped"))
1204 .log_err();
1205 }
1206 })
1207 .detach();
1208 }
1209 ThreadEvent::ToolCall(tool_call) => {
1210 acp_thread.update(cx, |thread, cx| {
1211 thread.upsert_tool_call(tool_call, cx)
1212 })??;
1213 }
1214 ThreadEvent::ToolCallUpdate(update) => {
1215 acp_thread.update(cx, |thread, cx| {
1216 thread.update_tool_call(update, cx)
1217 })??;
1218 }
1219 ThreadEvent::SubagentSpawned(session_id) => {
1220 acp_thread.update(cx, |thread, cx| {
1221 thread.subagent_spawned(session_id, cx);
1222 })?;
1223 }
1224 ThreadEvent::Retry(status) => {
1225 acp_thread.update(cx, |thread, cx| {
1226 thread.update_retry_status(status, cx)
1227 })?;
1228 }
1229 ThreadEvent::Stop(stop_reason) => {
1230 log::debug!("Assistant message complete: {:?}", stop_reason);
1231 return Ok(acp::PromptResponse::new(stop_reason));
1232 }
1233 }
1234 }
1235 Err(e) => {
1236 log::error!("Error in model response stream: {:?}", e);
1237 return Err(e);
1238 }
1239 }
1240 }
1241
1242 log::debug!("Response stream completed");
1243 anyhow::Ok(acp::PromptResponse::new(acp::StopReason::EndTurn))
1244 })
1245 }
1246}
1247
1248struct Command<'a> {
1249 prompt_name: &'a str,
1250 arg_value: &'a str,
1251 explicit_server_id: Option<&'a str>,
1252}
1253
1254impl<'a> Command<'a> {
1255 fn parse(prompt: &'a [acp::ContentBlock]) -> Option<Self> {
1256 let acp::ContentBlock::Text(text_content) = prompt.first()? else {
1257 return None;
1258 };
1259 let text = text_content.text.trim();
1260 let command = text.strip_prefix('/')?;
1261 let (command, arg_value) = command
1262 .split_once(char::is_whitespace)
1263 .unwrap_or((command, ""));
1264
1265 if let Some((server_id, prompt_name)) = command.split_once('.') {
1266 Some(Self {
1267 prompt_name,
1268 arg_value,
1269 explicit_server_id: Some(server_id),
1270 })
1271 } else {
1272 Some(Self {
1273 prompt_name: command,
1274 arg_value,
1275 explicit_server_id: None,
1276 })
1277 }
1278 }
1279}
1280
1281struct NativeAgentModelSelector {
1282 session_id: acp::SessionId,
1283 connection: NativeAgentConnection,
1284}
1285
1286impl acp_thread::AgentModelSelector for NativeAgentModelSelector {
1287 fn list_models(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelList>> {
1288 log::debug!("NativeAgentConnection::list_models called");
1289 let list = self.connection.0.read(cx).models.model_list.clone();
1290 Task::ready(if list.is_empty() {
1291 Err(anyhow::anyhow!("No models available"))
1292 } else {
1293 Ok(list)
1294 })
1295 }
1296
1297 fn select_model(&self, model_id: acp::ModelId, cx: &mut App) -> Task<Result<()>> {
1298 log::debug!(
1299 "Setting model for session {}: {}",
1300 self.session_id,
1301 model_id
1302 );
1303 let Some(thread) = self
1304 .connection
1305 .0
1306 .read(cx)
1307 .sessions
1308 .get(&self.session_id)
1309 .map(|session| session.thread.clone())
1310 else {
1311 return Task::ready(Err(anyhow!("Session not found")));
1312 };
1313
1314 let Some(model) = self.connection.0.read(cx).models.model_from_id(&model_id) else {
1315 return Task::ready(Err(anyhow!("Invalid model ID {}", model_id)));
1316 };
1317
1318 // We want to reset the effort level when switching models, as the currently-selected effort level may
1319 // not be compatible.
1320 let effort = model
1321 .default_effort_level()
1322 .map(|effort_level| effort_level.value.to_string());
1323
1324 thread.update(cx, |thread, cx| {
1325 thread.set_model(model.clone(), cx);
1326 thread.set_thinking_effort(effort.clone(), cx);
1327 thread.set_thinking_enabled(model.supports_thinking(), cx);
1328 });
1329
1330 update_settings_file(
1331 self.connection.0.read(cx).fs.clone(),
1332 cx,
1333 move |settings, cx| {
1334 let provider = model.provider_id().0.to_string();
1335 let model = model.id().0.to_string();
1336 let enable_thinking = thread.read(cx).thinking_enabled();
1337 settings
1338 .agent
1339 .get_or_insert_default()
1340 .set_model(LanguageModelSelection {
1341 provider: provider.into(),
1342 model,
1343 enable_thinking,
1344 effort,
1345 });
1346 },
1347 );
1348
1349 Task::ready(Ok(()))
1350 }
1351
1352 fn selected_model(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelInfo>> {
1353 let Some(thread) = self
1354 .connection
1355 .0
1356 .read(cx)
1357 .sessions
1358 .get(&self.session_id)
1359 .map(|session| session.thread.clone())
1360 else {
1361 return Task::ready(Err(anyhow!("Session not found")));
1362 };
1363 let Some(model) = thread.read(cx).model() else {
1364 return Task::ready(Err(anyhow!("Model not found")));
1365 };
1366 let Some(provider) = LanguageModelRegistry::read_global(cx).provider(&model.provider_id())
1367 else {
1368 return Task::ready(Err(anyhow!("Provider not found")));
1369 };
1370 Task::ready(Ok(LanguageModels::map_language_model_to_info(
1371 model, &provider,
1372 )))
1373 }
1374
1375 fn watch(&self, cx: &mut App) -> Option<watch::Receiver<()>> {
1376 Some(self.connection.0.read(cx).models.watch())
1377 }
1378
1379 fn should_render_footer(&self) -> bool {
1380 true
1381 }
1382}
1383
1384impl acp_thread::AgentConnection for NativeAgentConnection {
1385 fn telemetry_id(&self) -> SharedString {
1386 "zed".into()
1387 }
1388
1389 fn new_session(
1390 self: Rc<Self>,
1391 project: Entity<Project>,
1392 cwd: &Path,
1393 cx: &mut App,
1394 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1395 log::debug!("Creating new thread for project at: {cwd:?}");
1396 Task::ready(Ok(self
1397 .0
1398 .update(cx, |agent, cx| agent.new_session(project, cx))))
1399 }
1400
1401 fn supports_load_session(&self) -> bool {
1402 true
1403 }
1404
1405 fn load_session(
1406 self: Rc<Self>,
1407 session_id: acp::SessionId,
1408 project: Entity<Project>,
1409 _cwd: &Path,
1410 _title: Option<SharedString>,
1411 cx: &mut App,
1412 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
1413 self.0
1414 .update(cx, |agent, cx| agent.open_thread(session_id, project, cx))
1415 }
1416
1417 fn supports_close_session(&self) -> bool {
1418 true
1419 }
1420
1421 fn close_session(
1422 self: Rc<Self>,
1423 session_id: &acp::SessionId,
1424 cx: &mut App,
1425 ) -> Task<Result<()>> {
1426 self.0.update(cx, |agent, _cx| {
1427 let project_id = agent.sessions.get(session_id).map(|s| s.project_id);
1428 agent.sessions.remove(session_id);
1429
1430 if let Some(project_id) = project_id {
1431 let has_remaining = agent.sessions.values().any(|s| s.project_id == project_id);
1432 if !has_remaining {
1433 agent.projects.remove(&project_id);
1434 }
1435 }
1436 });
1437 Task::ready(Ok(()))
1438 }
1439
1440 fn auth_methods(&self) -> &[acp::AuthMethod] {
1441 &[] // No auth for in-process
1442 }
1443
1444 fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
1445 Task::ready(Ok(()))
1446 }
1447
1448 fn model_selector(&self, session_id: &acp::SessionId) -> Option<Rc<dyn AgentModelSelector>> {
1449 Some(Rc::new(NativeAgentModelSelector {
1450 session_id: session_id.clone(),
1451 connection: self.clone(),
1452 }) as Rc<dyn AgentModelSelector>)
1453 }
1454
1455 fn prompt(
1456 &self,
1457 id: Option<acp_thread::UserMessageId>,
1458 params: acp::PromptRequest,
1459 cx: &mut App,
1460 ) -> Task<Result<acp::PromptResponse>> {
1461 let id = id.expect("UserMessageId is required");
1462 let session_id = params.session_id.clone();
1463 log::info!("Received prompt request for session: {}", session_id);
1464 log::debug!("Prompt blocks count: {}", params.prompt.len());
1465
1466 let Some(project_state) = self.0.read(cx).session_project_state(&session_id) else {
1467 return Task::ready(Err(anyhow::anyhow!("Session not found")));
1468 };
1469
1470 if let Some(parsed_command) = Command::parse(¶ms.prompt) {
1471 let registry = project_state.context_server_registry.read(cx);
1472
1473 let explicit_server_id = parsed_command
1474 .explicit_server_id
1475 .map(|server_id| ContextServerId(server_id.into()));
1476
1477 if let Some(prompt) =
1478 registry.find_prompt(explicit_server_id.as_ref(), parsed_command.prompt_name)
1479 {
1480 let arguments = if !parsed_command.arg_value.is_empty()
1481 && let Some(arg_name) = prompt
1482 .prompt
1483 .arguments
1484 .as_ref()
1485 .and_then(|args| args.first())
1486 .map(|arg| arg.name.clone())
1487 {
1488 HashMap::from_iter([(arg_name, parsed_command.arg_value.to_string())])
1489 } else {
1490 Default::default()
1491 };
1492
1493 let prompt_name = prompt.prompt.name.clone();
1494 let server_id = prompt.server_id.clone();
1495
1496 return self.0.update(cx, |agent, cx| {
1497 agent.send_mcp_prompt(
1498 id,
1499 session_id.clone(),
1500 prompt_name,
1501 server_id,
1502 arguments,
1503 params.prompt,
1504 cx,
1505 )
1506 });
1507 }
1508 };
1509
1510 let path_style = project_state.project.read(cx).path_style(cx);
1511
1512 self.run_turn(session_id, cx, move |thread, cx| {
1513 let content: Vec<UserMessageContent> = params
1514 .prompt
1515 .into_iter()
1516 .map(|block| UserMessageContent::from_content_block(block, path_style))
1517 .collect::<Vec<_>>();
1518 log::debug!("Converted prompt to message: {} chars", content.len());
1519 log::debug!("Message id: {:?}", id);
1520 log::debug!("Message content: {:?}", content);
1521
1522 thread.update(cx, |thread, cx| thread.send(id, content, cx))
1523 })
1524 }
1525
1526 fn retry(
1527 &self,
1528 session_id: &acp::SessionId,
1529 _cx: &App,
1530 ) -> Option<Rc<dyn acp_thread::AgentSessionRetry>> {
1531 Some(Rc::new(NativeAgentSessionRetry {
1532 connection: self.clone(),
1533 session_id: session_id.clone(),
1534 }) as _)
1535 }
1536
1537 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
1538 log::info!("Cancelling on session: {}", session_id);
1539 self.0.update(cx, |agent, cx| {
1540 if let Some(session) = agent.sessions.get(session_id) {
1541 session
1542 .thread
1543 .update(cx, |thread, cx| thread.cancel(cx))
1544 .detach();
1545 }
1546 });
1547 }
1548
1549 fn truncate(
1550 &self,
1551 session_id: &acp::SessionId,
1552 cx: &App,
1553 ) -> Option<Rc<dyn acp_thread::AgentSessionTruncate>> {
1554 self.0.read_with(cx, |agent, _cx| {
1555 agent.sessions.get(session_id).map(|session| {
1556 Rc::new(NativeAgentSessionTruncate {
1557 thread: session.thread.clone(),
1558 acp_thread: session.acp_thread.downgrade(),
1559 }) as _
1560 })
1561 })
1562 }
1563
1564 fn set_title(
1565 &self,
1566 session_id: &acp::SessionId,
1567 cx: &App,
1568 ) -> Option<Rc<dyn acp_thread::AgentSessionSetTitle>> {
1569 self.0.read_with(cx, |agent, _cx| {
1570 agent
1571 .sessions
1572 .get(session_id)
1573 .filter(|s| !s.thread.read(cx).is_subagent())
1574 .map(|session| {
1575 Rc::new(NativeAgentSessionSetTitle {
1576 thread: session.thread.clone(),
1577 }) as _
1578 })
1579 })
1580 }
1581
1582 fn session_list(&self, cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
1583 let thread_store = self.0.read(cx).thread_store.clone();
1584 Some(Rc::new(NativeAgentSessionList::new(thread_store, cx)) as _)
1585 }
1586
1587 fn telemetry(&self) -> Option<Rc<dyn acp_thread::AgentTelemetry>> {
1588 Some(Rc::new(self.clone()) as Rc<dyn acp_thread::AgentTelemetry>)
1589 }
1590
1591 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1592 self
1593 }
1594}
1595
1596impl acp_thread::AgentTelemetry for NativeAgentConnection {
1597 fn thread_data(
1598 &self,
1599 session_id: &acp::SessionId,
1600 cx: &mut App,
1601 ) -> Task<Result<serde_json::Value>> {
1602 let Some(session) = self.0.read(cx).sessions.get(session_id) else {
1603 return Task::ready(Err(anyhow!("Session not found")));
1604 };
1605
1606 let task = session.thread.read(cx).to_db(cx);
1607 cx.background_spawn(async move {
1608 serde_json::to_value(task.await).context("Failed to serialize thread")
1609 })
1610 }
1611}
1612
1613pub struct NativeAgentSessionList {
1614 thread_store: Entity<ThreadStore>,
1615 updates_tx: smol::channel::Sender<acp_thread::SessionListUpdate>,
1616 updates_rx: smol::channel::Receiver<acp_thread::SessionListUpdate>,
1617 _subscription: Subscription,
1618}
1619
1620impl NativeAgentSessionList {
1621 fn new(thread_store: Entity<ThreadStore>, cx: &mut App) -> Self {
1622 let (tx, rx) = smol::channel::unbounded();
1623 let this_tx = tx.clone();
1624 let subscription = cx.observe(&thread_store, move |_, _| {
1625 this_tx
1626 .try_send(acp_thread::SessionListUpdate::Refresh)
1627 .ok();
1628 });
1629 Self {
1630 thread_store,
1631 updates_tx: tx,
1632 updates_rx: rx,
1633 _subscription: subscription,
1634 }
1635 }
1636
1637 pub fn thread_store(&self) -> &Entity<ThreadStore> {
1638 &self.thread_store
1639 }
1640}
1641
1642impl AgentSessionList for NativeAgentSessionList {
1643 fn list_sessions(
1644 &self,
1645 _request: AgentSessionListRequest,
1646 cx: &mut App,
1647 ) -> Task<Result<AgentSessionListResponse>> {
1648 let sessions = self
1649 .thread_store
1650 .read(cx)
1651 .entries()
1652 .map(|entry| AgentSessionInfo::from(&entry))
1653 .collect();
1654 Task::ready(Ok(AgentSessionListResponse::new(sessions)))
1655 }
1656
1657 fn supports_delete(&self) -> bool {
1658 true
1659 }
1660
1661 fn delete_session(&self, session_id: &acp::SessionId, cx: &mut App) -> Task<Result<()>> {
1662 self.thread_store
1663 .update(cx, |store, cx| store.delete_thread(session_id.clone(), cx))
1664 }
1665
1666 fn delete_sessions(&self, cx: &mut App) -> Task<Result<()>> {
1667 self.thread_store
1668 .update(cx, |store, cx| store.delete_threads(cx))
1669 }
1670
1671 fn watch(
1672 &self,
1673 _cx: &mut App,
1674 ) -> Option<smol::channel::Receiver<acp_thread::SessionListUpdate>> {
1675 Some(self.updates_rx.clone())
1676 }
1677
1678 fn notify_refresh(&self) {
1679 self.updates_tx
1680 .try_send(acp_thread::SessionListUpdate::Refresh)
1681 .ok();
1682 }
1683
1684 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1685 self
1686 }
1687}
1688
1689struct NativeAgentSessionTruncate {
1690 thread: Entity<Thread>,
1691 acp_thread: WeakEntity<AcpThread>,
1692}
1693
1694impl acp_thread::AgentSessionTruncate for NativeAgentSessionTruncate {
1695 fn run(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
1696 match self.thread.update(cx, |thread, cx| {
1697 thread.truncate(message_id.clone(), cx)?;
1698 Ok(thread.latest_token_usage())
1699 }) {
1700 Ok(usage) => {
1701 self.acp_thread
1702 .update(cx, |thread, cx| {
1703 thread.update_token_usage(usage, cx);
1704 })
1705 .ok();
1706 Task::ready(Ok(()))
1707 }
1708 Err(error) => Task::ready(Err(error)),
1709 }
1710 }
1711}
1712
1713struct NativeAgentSessionRetry {
1714 connection: NativeAgentConnection,
1715 session_id: acp::SessionId,
1716}
1717
1718impl acp_thread::AgentSessionRetry for NativeAgentSessionRetry {
1719 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
1720 self.connection
1721 .run_turn(self.session_id.clone(), cx, |thread, cx| {
1722 thread.update(cx, |thread, cx| thread.resume(cx))
1723 })
1724 }
1725}
1726
1727struct NativeAgentSessionSetTitle {
1728 thread: Entity<Thread>,
1729}
1730
1731impl acp_thread::AgentSessionSetTitle for NativeAgentSessionSetTitle {
1732 fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>> {
1733 self.thread
1734 .update(cx, |thread, cx| thread.set_title(title, cx));
1735 Task::ready(Ok(()))
1736 }
1737}
1738
1739pub struct NativeThreadEnvironment {
1740 agent: WeakEntity<NativeAgent>,
1741 thread: WeakEntity<Thread>,
1742 acp_thread: WeakEntity<AcpThread>,
1743}
1744
1745impl NativeThreadEnvironment {
1746 pub(crate) fn create_subagent_thread(
1747 &self,
1748 label: String,
1749 cx: &mut App,
1750 ) -> Result<Rc<dyn SubagentHandle>> {
1751 let Some(parent_thread_entity) = self.thread.upgrade() else {
1752 anyhow::bail!("Parent thread no longer exists".to_string());
1753 };
1754 let parent_thread = parent_thread_entity.read(cx);
1755 let current_depth = parent_thread.depth();
1756 let parent_session_id = parent_thread.id().clone();
1757
1758 if current_depth >= MAX_SUBAGENT_DEPTH {
1759 return Err(anyhow!(
1760 "Maximum subagent depth ({}) reached",
1761 MAX_SUBAGENT_DEPTH
1762 ));
1763 }
1764
1765 let subagent_thread: Entity<Thread> = cx.new(|cx| {
1766 let mut thread = Thread::new_subagent(&parent_thread_entity, cx);
1767 thread.set_title(label.into(), cx);
1768 thread
1769 });
1770
1771 let session_id = subagent_thread.read(cx).id().clone();
1772
1773 let acp_thread = self
1774 .agent
1775 .update(cx, |agent, cx| -> Result<Entity<AcpThread>> {
1776 let project_id = agent
1777 .sessions
1778 .get(&parent_session_id)
1779 .map(|s| s.project_id)
1780 .context("parent session not found")?;
1781 Ok(agent.register_session(subagent_thread.clone(), project_id, cx))
1782 })??;
1783
1784 let depth = current_depth + 1;
1785
1786 telemetry::event!(
1787 "Subagent Started",
1788 session = parent_thread_entity.read(cx).id().to_string(),
1789 subagent_session = session_id.to_string(),
1790 depth,
1791 is_resumed = false,
1792 );
1793
1794 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1795 }
1796
1797 pub(crate) fn resume_subagent_thread(
1798 &self,
1799 session_id: acp::SessionId,
1800 cx: &mut App,
1801 ) -> Result<Rc<dyn SubagentHandle>> {
1802 let (subagent_thread, acp_thread) = self.agent.update(cx, |agent, _cx| {
1803 let session = agent
1804 .sessions
1805 .get(&session_id)
1806 .ok_or_else(|| anyhow!("No subagent session found with id {session_id}"))?;
1807 anyhow::Ok((session.thread.clone(), session.acp_thread.clone()))
1808 })??;
1809
1810 let depth = subagent_thread.read(cx).depth();
1811
1812 if let Some(parent_thread_entity) = self.thread.upgrade() {
1813 telemetry::event!(
1814 "Subagent Started",
1815 session = parent_thread_entity.read(cx).id().to_string(),
1816 subagent_session = session_id.to_string(),
1817 depth,
1818 is_resumed = true,
1819 );
1820 }
1821
1822 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1823 }
1824
1825 fn prompt_subagent(
1826 &self,
1827 session_id: acp::SessionId,
1828 subagent_thread: Entity<Thread>,
1829 acp_thread: Entity<acp_thread::AcpThread>,
1830 ) -> Result<Rc<dyn SubagentHandle>> {
1831 let Some(parent_thread_entity) = self.thread.upgrade() else {
1832 anyhow::bail!("Parent thread no longer exists".to_string());
1833 };
1834 Ok(Rc::new(NativeSubagentHandle::new(
1835 session_id,
1836 subagent_thread,
1837 acp_thread,
1838 parent_thread_entity,
1839 )) as _)
1840 }
1841}
1842
1843impl ThreadEnvironment for NativeThreadEnvironment {
1844 fn create_terminal(
1845 &self,
1846 command: String,
1847 cwd: Option<PathBuf>,
1848 output_byte_limit: Option<u64>,
1849 cx: &mut AsyncApp,
1850 ) -> Task<Result<Rc<dyn TerminalHandle>>> {
1851 let task = self.acp_thread.update(cx, |thread, cx| {
1852 thread.create_terminal(command, vec![], vec![], cwd, output_byte_limit, cx)
1853 });
1854
1855 let acp_thread = self.acp_thread.clone();
1856 cx.spawn(async move |cx| {
1857 let terminal = task?.await?;
1858
1859 let (drop_tx, drop_rx) = oneshot::channel();
1860 let terminal_id = terminal.read_with(cx, |terminal, _cx| terminal.id().clone());
1861
1862 cx.spawn(async move |cx| {
1863 drop_rx.await.ok();
1864 acp_thread.update(cx, |thread, cx| thread.release_terminal(terminal_id, cx))
1865 })
1866 .detach();
1867
1868 let handle = AcpTerminalHandle {
1869 terminal,
1870 _drop_tx: Some(drop_tx),
1871 };
1872
1873 Ok(Rc::new(handle) as _)
1874 })
1875 }
1876
1877 fn create_subagent(&self, label: String, cx: &mut App) -> Result<Rc<dyn SubagentHandle>> {
1878 self.create_subagent_thread(label, cx)
1879 }
1880
1881 fn resume_subagent(
1882 &self,
1883 session_id: acp::SessionId,
1884 cx: &mut App,
1885 ) -> Result<Rc<dyn SubagentHandle>> {
1886 self.resume_subagent_thread(session_id, cx)
1887 }
1888}
1889
1890#[derive(Debug, Clone)]
1891enum SubagentPromptResult {
1892 Completed,
1893 Cancelled,
1894 ContextWindowWarning,
1895 Error(String),
1896}
1897
1898pub struct NativeSubagentHandle {
1899 session_id: acp::SessionId,
1900 parent_thread: WeakEntity<Thread>,
1901 subagent_thread: Entity<Thread>,
1902 acp_thread: Entity<acp_thread::AcpThread>,
1903}
1904
1905impl NativeSubagentHandle {
1906 fn new(
1907 session_id: acp::SessionId,
1908 subagent_thread: Entity<Thread>,
1909 acp_thread: Entity<acp_thread::AcpThread>,
1910 parent_thread_entity: Entity<Thread>,
1911 ) -> Self {
1912 NativeSubagentHandle {
1913 session_id,
1914 subagent_thread,
1915 parent_thread: parent_thread_entity.downgrade(),
1916 acp_thread,
1917 }
1918 }
1919}
1920
1921impl SubagentHandle for NativeSubagentHandle {
1922 fn id(&self) -> acp::SessionId {
1923 self.session_id.clone()
1924 }
1925
1926 fn num_entries(&self, cx: &App) -> usize {
1927 self.acp_thread.read(cx).entries().len()
1928 }
1929
1930 fn send(&self, message: String, cx: &AsyncApp) -> Task<Result<String>> {
1931 let thread = self.subagent_thread.clone();
1932 let acp_thread = self.acp_thread.clone();
1933 let subagent_session_id = self.session_id.clone();
1934 let parent_thread = self.parent_thread.clone();
1935
1936 cx.spawn(async move |cx| {
1937 let (task, _subscription) = cx.update(|cx| {
1938 let ratio_before_prompt = thread
1939 .read(cx)
1940 .latest_token_usage()
1941 .map(|usage| usage.ratio());
1942
1943 parent_thread
1944 .update(cx, |parent_thread, _cx| {
1945 parent_thread.register_running_subagent(thread.downgrade())
1946 })
1947 .ok();
1948
1949 let task = acp_thread.update(cx, |acp_thread, cx| {
1950 acp_thread.send(vec![message.into()], cx)
1951 });
1952
1953 let (token_limit_tx, token_limit_rx) = oneshot::channel::<()>();
1954 let mut token_limit_tx = Some(token_limit_tx);
1955
1956 let subscription = cx.subscribe(
1957 &thread,
1958 move |_thread, event: &TokenUsageUpdated, _cx| {
1959 if let Some(usage) = &event.0 {
1960 let old_ratio = ratio_before_prompt
1961 .clone()
1962 .unwrap_or(TokenUsageRatio::Normal);
1963 let new_ratio = usage.ratio();
1964 if old_ratio == TokenUsageRatio::Normal
1965 && new_ratio == TokenUsageRatio::Warning
1966 {
1967 if let Some(tx) = token_limit_tx.take() {
1968 tx.send(()).ok();
1969 }
1970 }
1971 }
1972 },
1973 );
1974
1975 let wait_for_prompt = cx
1976 .background_spawn(async move {
1977 futures::select! {
1978 response = task.fuse() => match response {
1979 Ok(Some(response)) => {
1980 match response.stop_reason {
1981 acp::StopReason::Cancelled => SubagentPromptResult::Cancelled,
1982 acp::StopReason::MaxTokens => SubagentPromptResult::Error("The agent reached the maximum number of tokens.".into()),
1983 acp::StopReason::MaxTurnRequests => SubagentPromptResult::Error("The agent reached the maximum number of allowed requests between user turns. Try prompting again.".into()),
1984 acp::StopReason::Refusal => SubagentPromptResult::Error("The agent refused to process that prompt. Try again.".into()),
1985 acp::StopReason::EndTurn | _ => SubagentPromptResult::Completed,
1986 }
1987 }
1988 Ok(None) => SubagentPromptResult::Error("No response from the agent. You can try messaging again.".into()),
1989 Err(error) => SubagentPromptResult::Error(error.to_string()),
1990 },
1991 _ = token_limit_rx.fuse() => SubagentPromptResult::ContextWindowWarning,
1992 }
1993 });
1994
1995 (wait_for_prompt, subscription)
1996 });
1997
1998 let result = match task.await {
1999 SubagentPromptResult::Completed => thread.read_with(cx, |thread, _cx| {
2000 thread
2001 .last_message()
2002 .and_then(|message| {
2003 let content = message.as_agent_message()?
2004 .content
2005 .iter()
2006 .filter_map(|c| match c {
2007 AgentMessageContent::Text(text) => Some(text.as_str()),
2008 _ => None,
2009 })
2010 .join("\n\n");
2011 if content.is_empty() {
2012 None
2013 } else {
2014 Some( content)
2015 }
2016 })
2017 .context("No response from subagent")
2018 }),
2019 SubagentPromptResult::Cancelled => Err(anyhow!("User canceled")),
2020 SubagentPromptResult::Error(message) => Err(anyhow!("{message}")),
2021 SubagentPromptResult::ContextWindowWarning => {
2022 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
2023 Err(anyhow!(
2024 "The agent is nearing the end of its context window and has been \
2025 stopped. You can prompt the thread again to have the agent wrap up \
2026 or hand off its work."
2027 ))
2028 }
2029 };
2030
2031 parent_thread
2032 .update(cx, |parent_thread, cx| {
2033 parent_thread.unregister_running_subagent(&subagent_session_id, cx)
2034 })
2035 .ok();
2036
2037 result
2038 })
2039 }
2040}
2041
2042pub struct AcpTerminalHandle {
2043 terminal: Entity<acp_thread::Terminal>,
2044 _drop_tx: Option<oneshot::Sender<()>>,
2045}
2046
2047impl TerminalHandle for AcpTerminalHandle {
2048 fn id(&self, cx: &AsyncApp) -> Result<acp::TerminalId> {
2049 Ok(self.terminal.read_with(cx, |term, _cx| term.id().clone()))
2050 }
2051
2052 fn wait_for_exit(&self, cx: &AsyncApp) -> Result<Shared<Task<acp::TerminalExitStatus>>> {
2053 Ok(self
2054 .terminal
2055 .read_with(cx, |term, _cx| term.wait_for_exit()))
2056 }
2057
2058 fn current_output(&self, cx: &AsyncApp) -> Result<acp::TerminalOutputResponse> {
2059 Ok(self
2060 .terminal
2061 .read_with(cx, |term, cx| term.current_output(cx)))
2062 }
2063
2064 fn kill(&self, cx: &AsyncApp) -> Result<()> {
2065 cx.update(|cx| {
2066 self.terminal.update(cx, |terminal, cx| {
2067 terminal.kill(cx);
2068 });
2069 });
2070 Ok(())
2071 }
2072
2073 fn was_stopped_by_user(&self, cx: &AsyncApp) -> Result<bool> {
2074 Ok(self
2075 .terminal
2076 .read_with(cx, |term, _cx| term.was_stopped_by_user()))
2077 }
2078}
2079
2080#[cfg(test)]
2081mod internal_tests {
2082 use super::*;
2083 use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelInfo, MentionUri};
2084 use fs::FakeFs;
2085 use gpui::TestAppContext;
2086 use indoc::formatdoc;
2087 use language_model::fake_provider::{FakeLanguageModel, FakeLanguageModelProvider};
2088 use language_model::{
2089 LanguageModelCompletionEvent, LanguageModelProviderId, LanguageModelProviderName,
2090 };
2091 use serde_json::json;
2092 use settings::SettingsStore;
2093 use util::{path, rel_path::rel_path};
2094
2095 #[gpui::test]
2096 async fn test_maintaining_project_context(cx: &mut TestAppContext) {
2097 init_test(cx);
2098 let fs = FakeFs::new(cx.executor());
2099 fs.insert_tree(
2100 "/",
2101 json!({
2102 "a": {}
2103 }),
2104 )
2105 .await;
2106 let project = Project::test(fs.clone(), [], cx).await;
2107 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2108 let agent =
2109 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2110
2111 // Creating a session registers the project and triggers context building.
2112 let connection = NativeAgentConnection(agent.clone());
2113 let _acp_thread = cx
2114 .update(|cx| Rc::new(connection).new_session(project.clone(), Path::new("/"), cx))
2115 .await
2116 .unwrap();
2117 cx.run_until_parked();
2118
2119 agent.read_with(cx, |agent, cx| {
2120 let project_id = project.entity_id();
2121 let state = agent.projects.get(&project_id).unwrap();
2122 assert_eq!(state.project_context.read(cx).worktrees, vec![])
2123 });
2124
2125 let worktree = project
2126 .update(cx, |project, cx| project.create_worktree("/a", true, cx))
2127 .await
2128 .unwrap();
2129 cx.run_until_parked();
2130 agent.read_with(cx, |agent, cx| {
2131 let project_id = project.entity_id();
2132 let state = agent.projects.get(&project_id).unwrap();
2133 assert_eq!(
2134 state.project_context.read(cx).worktrees,
2135 vec![WorktreeContext {
2136 root_name: "a".into(),
2137 abs_path: Path::new("/a").into(),
2138 rules_file: None
2139 }]
2140 )
2141 });
2142
2143 // Creating `/a/.rules` updates the project context.
2144 fs.insert_file("/a/.rules", Vec::new()).await;
2145 cx.run_until_parked();
2146 agent.read_with(cx, |agent, cx| {
2147 let project_id = project.entity_id();
2148 let state = agent.projects.get(&project_id).unwrap();
2149 let rules_entry = worktree
2150 .read(cx)
2151 .entry_for_path(rel_path(".rules"))
2152 .unwrap();
2153 assert_eq!(
2154 state.project_context.read(cx).worktrees,
2155 vec![WorktreeContext {
2156 root_name: "a".into(),
2157 abs_path: Path::new("/a").into(),
2158 rules_file: Some(RulesFileContext {
2159 path_in_worktree: rel_path(".rules").into(),
2160 text: "".into(),
2161 project_entry_id: rules_entry.id.to_usize()
2162 })
2163 }]
2164 )
2165 });
2166 }
2167
2168 #[gpui::test]
2169 async fn test_listing_models(cx: &mut TestAppContext) {
2170 init_test(cx);
2171 let fs = FakeFs::new(cx.executor());
2172 fs.insert_tree("/", json!({ "a": {} })).await;
2173 let project = Project::test(fs.clone(), [], cx).await;
2174 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2175 let connection =
2176 NativeAgentConnection(cx.update(|cx| {
2177 NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx)
2178 }));
2179
2180 // Create a thread/session
2181 let acp_thread = cx
2182 .update(|cx| {
2183 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2184 })
2185 .await
2186 .unwrap();
2187
2188 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2189
2190 let models = cx
2191 .update(|cx| {
2192 connection
2193 .model_selector(&session_id)
2194 .unwrap()
2195 .list_models(cx)
2196 })
2197 .await
2198 .unwrap();
2199
2200 let acp_thread::AgentModelList::Grouped(models) = models else {
2201 panic!("Unexpected model group");
2202 };
2203 assert_eq!(
2204 models,
2205 IndexMap::from_iter([(
2206 AgentModelGroupName("Fake".into()),
2207 vec![AgentModelInfo {
2208 id: acp::ModelId::new("fake/fake"),
2209 name: "Fake".into(),
2210 description: None,
2211 icon: Some(acp_thread::AgentModelIcon::Named(
2212 ui::IconName::ZedAssistant
2213 )),
2214 is_latest: false,
2215 cost: None,
2216 }]
2217 )])
2218 );
2219 }
2220
2221 #[gpui::test]
2222 async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
2223 init_test(cx);
2224 let fs = FakeFs::new(cx.executor());
2225 fs.create_dir(paths::settings_file().parent().unwrap())
2226 .await
2227 .unwrap();
2228 fs.insert_file(
2229 paths::settings_file(),
2230 json!({
2231 "agent": {
2232 "default_model": {
2233 "provider": "foo",
2234 "model": "bar"
2235 }
2236 }
2237 })
2238 .to_string()
2239 .into_bytes(),
2240 )
2241 .await;
2242 let project = Project::test(fs.clone(), [], cx).await;
2243
2244 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2245
2246 // Create the agent and connection
2247 let agent =
2248 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2249 let connection = NativeAgentConnection(agent.clone());
2250
2251 // Create a thread/session
2252 let acp_thread = cx
2253 .update(|cx| {
2254 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2255 })
2256 .await
2257 .unwrap();
2258
2259 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2260
2261 // Select a model
2262 let selector = connection.model_selector(&session_id).unwrap();
2263 let model_id = acp::ModelId::new("fake/fake");
2264 cx.update(|cx| selector.select_model(model_id.clone(), cx))
2265 .await
2266 .unwrap();
2267
2268 // Verify the thread has the selected model
2269 agent.read_with(cx, |agent, _| {
2270 let session = agent.sessions.get(&session_id).unwrap();
2271 session.thread.read_with(cx, |thread, _| {
2272 assert_eq!(thread.model().unwrap().id().0, "fake");
2273 });
2274 });
2275
2276 cx.run_until_parked();
2277
2278 // Verify settings file was updated
2279 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2280 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2281
2282 // Check that the agent settings contain the selected model
2283 assert_eq!(
2284 settings_json["agent"]["default_model"]["model"],
2285 json!("fake")
2286 );
2287 assert_eq!(
2288 settings_json["agent"]["default_model"]["provider"],
2289 json!("fake")
2290 );
2291
2292 // Register a thinking model and select it.
2293 cx.update(|cx| {
2294 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2295 "fake-corp",
2296 "fake-thinking",
2297 "Fake Thinking",
2298 true,
2299 ));
2300 let thinking_provider = Arc::new(
2301 FakeLanguageModelProvider::new(
2302 LanguageModelProviderId::from("fake-corp".to_string()),
2303 LanguageModelProviderName::from("Fake Corp".to_string()),
2304 )
2305 .with_models(vec![thinking_model]),
2306 );
2307 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2308 registry.register_provider(thinking_provider, cx);
2309 });
2310 });
2311 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2312
2313 let selector = connection.model_selector(&session_id).unwrap();
2314 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2315 .await
2316 .unwrap();
2317 cx.run_until_parked();
2318
2319 // Verify enable_thinking was written to settings as true.
2320 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2321 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2322 assert_eq!(
2323 settings_json["agent"]["default_model"]["enable_thinking"],
2324 json!(true),
2325 "selecting a thinking model should persist enable_thinking: true to settings"
2326 );
2327 }
2328
2329 #[gpui::test]
2330 async fn test_select_model_updates_thinking_enabled(cx: &mut TestAppContext) {
2331 init_test(cx);
2332 let fs = FakeFs::new(cx.executor());
2333 fs.create_dir(paths::settings_file().parent().unwrap())
2334 .await
2335 .unwrap();
2336 fs.insert_file(paths::settings_file(), b"{}".to_vec()).await;
2337 let project = Project::test(fs.clone(), [], cx).await;
2338
2339 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2340 let agent =
2341 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2342 let connection = NativeAgentConnection(agent.clone());
2343
2344 let acp_thread = cx
2345 .update(|cx| {
2346 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2347 })
2348 .await
2349 .unwrap();
2350 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2351
2352 // Register a second provider with a thinking model.
2353 cx.update(|cx| {
2354 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2355 "fake-corp",
2356 "fake-thinking",
2357 "Fake Thinking",
2358 true,
2359 ));
2360 let thinking_provider = Arc::new(
2361 FakeLanguageModelProvider::new(
2362 LanguageModelProviderId::from("fake-corp".to_string()),
2363 LanguageModelProviderName::from("Fake Corp".to_string()),
2364 )
2365 .with_models(vec![thinking_model]),
2366 );
2367 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2368 registry.register_provider(thinking_provider, cx);
2369 });
2370 });
2371 // Refresh the agent's model list so it picks up the new provider.
2372 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2373
2374 // Thread starts with thinking_enabled = false (the default).
2375 agent.read_with(cx, |agent, _| {
2376 let session = agent.sessions.get(&session_id).unwrap();
2377 session.thread.read_with(cx, |thread, _| {
2378 assert!(!thread.thinking_enabled(), "thinking defaults to false");
2379 });
2380 });
2381
2382 // Select the thinking model via select_model.
2383 let selector = connection.model_selector(&session_id).unwrap();
2384 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2385 .await
2386 .unwrap();
2387
2388 // select_model should have enabled thinking based on the model's supports_thinking().
2389 agent.read_with(cx, |agent, _| {
2390 let session = agent.sessions.get(&session_id).unwrap();
2391 session.thread.read_with(cx, |thread, _| {
2392 assert!(
2393 thread.thinking_enabled(),
2394 "select_model should enable thinking when model supports it"
2395 );
2396 });
2397 });
2398
2399 // Switch back to the non-thinking model.
2400 let selector = connection.model_selector(&session_id).unwrap();
2401 cx.update(|cx| selector.select_model(acp::ModelId::new("fake/fake"), cx))
2402 .await
2403 .unwrap();
2404
2405 // select_model should have disabled thinking.
2406 agent.read_with(cx, |agent, _| {
2407 let session = agent.sessions.get(&session_id).unwrap();
2408 session.thread.read_with(cx, |thread, _| {
2409 assert!(
2410 !thread.thinking_enabled(),
2411 "select_model should disable thinking when model does not support it"
2412 );
2413 });
2414 });
2415 }
2416
2417 #[gpui::test]
2418 async fn test_loaded_thread_preserves_thinking_enabled(cx: &mut TestAppContext) {
2419 init_test(cx);
2420 let fs = FakeFs::new(cx.executor());
2421 fs.insert_tree("/", json!({ "a": {} })).await;
2422 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2423 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2424 let agent = cx.update(|cx| {
2425 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2426 });
2427 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2428
2429 // Register a thinking model.
2430 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2431 "fake-corp",
2432 "fake-thinking",
2433 "Fake Thinking",
2434 true,
2435 ));
2436 let thinking_provider = Arc::new(
2437 FakeLanguageModelProvider::new(
2438 LanguageModelProviderId::from("fake-corp".to_string()),
2439 LanguageModelProviderName::from("Fake Corp".to_string()),
2440 )
2441 .with_models(vec![thinking_model.clone()]),
2442 );
2443 cx.update(|cx| {
2444 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2445 registry.register_provider(thinking_provider, cx);
2446 });
2447 });
2448 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2449
2450 // Create a thread and select the thinking model.
2451 let acp_thread = cx
2452 .update(|cx| {
2453 connection
2454 .clone()
2455 .new_session(project.clone(), Path::new("/a"), cx)
2456 })
2457 .await
2458 .unwrap();
2459 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2460
2461 let selector = connection.model_selector(&session_id).unwrap();
2462 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2463 .await
2464 .unwrap();
2465
2466 // Verify thinking is enabled after selecting the thinking model.
2467 let thread = agent.read_with(cx, |agent, _| {
2468 agent.sessions.get(&session_id).unwrap().thread.clone()
2469 });
2470 thread.read_with(cx, |thread, _| {
2471 assert!(
2472 thread.thinking_enabled(),
2473 "thinking should be enabled after selecting thinking model"
2474 );
2475 });
2476
2477 // Send a message so the thread gets persisted.
2478 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2479 let send = cx.foreground_executor().spawn(send);
2480 cx.run_until_parked();
2481
2482 thinking_model.send_last_completion_stream_text_chunk("Response.");
2483 thinking_model.end_last_completion_stream();
2484
2485 send.await.unwrap();
2486 cx.run_until_parked();
2487
2488 // Close the session so it can be reloaded from disk.
2489 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2490 .await
2491 .unwrap();
2492 drop(thread);
2493 drop(acp_thread);
2494 agent.read_with(cx, |agent, _| {
2495 assert!(agent.sessions.is_empty());
2496 });
2497
2498 // Reload the thread and verify thinking_enabled is still true.
2499 let reloaded_acp_thread = agent
2500 .update(cx, |agent, cx| {
2501 agent.open_thread(session_id.clone(), project.clone(), cx)
2502 })
2503 .await
2504 .unwrap();
2505 let reloaded_thread = agent.read_with(cx, |agent, _| {
2506 agent.sessions.get(&session_id).unwrap().thread.clone()
2507 });
2508 reloaded_thread.read_with(cx, |thread, _| {
2509 assert!(
2510 thread.thinking_enabled(),
2511 "thinking_enabled should be preserved when reloading a thread with a thinking model"
2512 );
2513 });
2514
2515 drop(reloaded_acp_thread);
2516 }
2517
2518 #[gpui::test]
2519 async fn test_loaded_thread_preserves_model(cx: &mut TestAppContext) {
2520 init_test(cx);
2521 let fs = FakeFs::new(cx.executor());
2522 fs.insert_tree("/", json!({ "a": {} })).await;
2523 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2524 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2525 let agent = cx.update(|cx| {
2526 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2527 });
2528 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2529
2530 // Register a model where id() != name(), like real Anthropic models
2531 // (e.g. id="claude-sonnet-4-5-thinking-latest", name="Claude Sonnet 4.5 Thinking").
2532 let model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2533 "fake-corp",
2534 "custom-model-id",
2535 "Custom Model Display Name",
2536 false,
2537 ));
2538 let provider = Arc::new(
2539 FakeLanguageModelProvider::new(
2540 LanguageModelProviderId::from("fake-corp".to_string()),
2541 LanguageModelProviderName::from("Fake Corp".to_string()),
2542 )
2543 .with_models(vec![model.clone()]),
2544 );
2545 cx.update(|cx| {
2546 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2547 registry.register_provider(provider, cx);
2548 });
2549 });
2550 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2551
2552 // Create a thread and select the model.
2553 let acp_thread = cx
2554 .update(|cx| {
2555 connection
2556 .clone()
2557 .new_session(project.clone(), Path::new("/a"), cx)
2558 })
2559 .await
2560 .unwrap();
2561 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2562
2563 let selector = connection.model_selector(&session_id).unwrap();
2564 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/custom-model-id"), cx))
2565 .await
2566 .unwrap();
2567
2568 let thread = agent.read_with(cx, |agent, _| {
2569 agent.sessions.get(&session_id).unwrap().thread.clone()
2570 });
2571 thread.read_with(cx, |thread, _| {
2572 assert_eq!(
2573 thread.model().unwrap().id().0.as_ref(),
2574 "custom-model-id",
2575 "model should be set before persisting"
2576 );
2577 });
2578
2579 // Send a message so the thread gets persisted.
2580 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2581 let send = cx.foreground_executor().spawn(send);
2582 cx.run_until_parked();
2583
2584 model.send_last_completion_stream_text_chunk("Response.");
2585 model.end_last_completion_stream();
2586
2587 send.await.unwrap();
2588 cx.run_until_parked();
2589
2590 // Close the session so it can be reloaded from disk.
2591 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2592 .await
2593 .unwrap();
2594 drop(thread);
2595 drop(acp_thread);
2596 agent.read_with(cx, |agent, _| {
2597 assert!(agent.sessions.is_empty());
2598 });
2599
2600 // Reload the thread and verify the model was preserved.
2601 let reloaded_acp_thread = agent
2602 .update(cx, |agent, cx| {
2603 agent.open_thread(session_id.clone(), project.clone(), cx)
2604 })
2605 .await
2606 .unwrap();
2607 let reloaded_thread = agent.read_with(cx, |agent, _| {
2608 agent.sessions.get(&session_id).unwrap().thread.clone()
2609 });
2610 reloaded_thread.read_with(cx, |thread, _| {
2611 let reloaded_model = thread
2612 .model()
2613 .expect("model should be present after reload");
2614 assert_eq!(
2615 reloaded_model.id().0.as_ref(),
2616 "custom-model-id",
2617 "reloaded thread should have the same model, not fall back to the default"
2618 );
2619 });
2620
2621 drop(reloaded_acp_thread);
2622 }
2623
2624 #[gpui::test]
2625 async fn test_save_load_thread(cx: &mut TestAppContext) {
2626 init_test(cx);
2627 let fs = FakeFs::new(cx.executor());
2628 fs.insert_tree(
2629 "/",
2630 json!({
2631 "a": {
2632 "b.md": "Lorem"
2633 }
2634 }),
2635 )
2636 .await;
2637 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2638 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2639 let agent = cx.update(|cx| {
2640 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2641 });
2642 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2643
2644 let acp_thread = cx
2645 .update(|cx| {
2646 connection
2647 .clone()
2648 .new_session(project.clone(), Path::new(""), cx)
2649 })
2650 .await
2651 .unwrap();
2652 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2653 let thread = agent.read_with(cx, |agent, _| {
2654 agent.sessions.get(&session_id).unwrap().thread.clone()
2655 });
2656
2657 // Ensure empty threads are not saved, even if they get mutated.
2658 let model = Arc::new(FakeLanguageModel::default());
2659 let summary_model = Arc::new(FakeLanguageModel::default());
2660 thread.update(cx, |thread, cx| {
2661 thread.set_model(model.clone(), cx);
2662 thread.set_summarization_model(Some(summary_model.clone()), cx);
2663 });
2664 cx.run_until_parked();
2665 assert_eq!(thread_entries(&thread_store, cx), vec![]);
2666
2667 let send = acp_thread.update(cx, |thread, cx| {
2668 thread.send(
2669 vec![
2670 "What does ".into(),
2671 acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
2672 "b.md",
2673 MentionUri::File {
2674 abs_path: path!("/a/b.md").into(),
2675 }
2676 .to_uri()
2677 .to_string(),
2678 )),
2679 " mean?".into(),
2680 ],
2681 cx,
2682 )
2683 });
2684 let send = cx.foreground_executor().spawn(send);
2685 cx.run_until_parked();
2686
2687 model.send_last_completion_stream_text_chunk("Lorem.");
2688 model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
2689 language_model::TokenUsage {
2690 input_tokens: 150,
2691 output_tokens: 75,
2692 ..Default::default()
2693 },
2694 ));
2695 model.end_last_completion_stream();
2696 cx.run_until_parked();
2697 summary_model
2698 .send_last_completion_stream_text_chunk(&format!("Explaining {}", path!("/a/b.md")));
2699 summary_model.end_last_completion_stream();
2700
2701 send.await.unwrap();
2702 let uri = MentionUri::File {
2703 abs_path: path!("/a/b.md").into(),
2704 }
2705 .to_uri();
2706 acp_thread.read_with(cx, |thread, cx| {
2707 assert_eq!(
2708 thread.to_markdown(cx),
2709 formatdoc! {"
2710 ## User
2711
2712 What does [@b.md]({uri}) mean?
2713
2714 ## Assistant
2715
2716 Lorem.
2717
2718 "}
2719 )
2720 });
2721
2722 cx.run_until_parked();
2723
2724 // Set a draft prompt with rich content blocks before saving.
2725 let draft_blocks = vec![
2726 acp::ContentBlock::Text(acp::TextContent::new("Check out ")),
2727 acp::ContentBlock::ResourceLink(acp::ResourceLink::new("b.md", uri.to_string())),
2728 acp::ContentBlock::Text(acp::TextContent::new(" please")),
2729 ];
2730 acp_thread.update(cx, |thread, _cx| {
2731 thread.set_draft_prompt(Some(draft_blocks.clone()));
2732 });
2733 thread.update(cx, |thread, _cx| {
2734 thread.set_ui_scroll_position(Some(gpui::ListOffset {
2735 item_ix: 5,
2736 offset_in_item: gpui::px(12.5),
2737 }));
2738 });
2739 thread.update(cx, |_thread, cx| cx.notify());
2740 cx.run_until_parked();
2741
2742 // Close the session so it can be reloaded from disk.
2743 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2744 .await
2745 .unwrap();
2746 drop(thread);
2747 drop(acp_thread);
2748 agent.read_with(cx, |agent, _| {
2749 assert_eq!(agent.sessions.keys().cloned().collect::<Vec<_>>(), []);
2750 });
2751
2752 // Ensure the thread can be reloaded from disk.
2753 assert_eq!(
2754 thread_entries(&thread_store, cx),
2755 vec![(
2756 session_id.clone(),
2757 format!("Explaining {}", path!("/a/b.md"))
2758 )]
2759 );
2760 let acp_thread = agent
2761 .update(cx, |agent, cx| {
2762 agent.open_thread(session_id.clone(), project.clone(), cx)
2763 })
2764 .await
2765 .unwrap();
2766 acp_thread.read_with(cx, |thread, cx| {
2767 assert_eq!(
2768 thread.to_markdown(cx),
2769 formatdoc! {"
2770 ## User
2771
2772 What does [@b.md]({uri}) mean?
2773
2774 ## Assistant
2775
2776 Lorem.
2777
2778 "}
2779 )
2780 });
2781
2782 // Ensure the draft prompt with rich content blocks survived the round-trip.
2783 acp_thread.read_with(cx, |thread, _| {
2784 assert_eq!(thread.draft_prompt(), Some(draft_blocks.as_slice()));
2785 });
2786
2787 // Ensure token usage survived the round-trip.
2788 acp_thread.read_with(cx, |thread, _| {
2789 let usage = thread
2790 .token_usage()
2791 .expect("token usage should be restored after reload");
2792 assert_eq!(usage.input_tokens, 150);
2793 assert_eq!(usage.output_tokens, 75);
2794 });
2795
2796 // Ensure scroll position survived the round-trip.
2797 acp_thread.read_with(cx, |thread, _| {
2798 let scroll = thread
2799 .ui_scroll_position()
2800 .expect("scroll position should be restored after reload");
2801 assert_eq!(scroll.item_ix, 5);
2802 assert_eq!(scroll.offset_in_item, gpui::px(12.5));
2803 });
2804 }
2805
2806 fn thread_entries(
2807 thread_store: &Entity<ThreadStore>,
2808 cx: &mut TestAppContext,
2809 ) -> Vec<(acp::SessionId, String)> {
2810 thread_store.read_with(cx, |store, _| {
2811 store
2812 .entries()
2813 .map(|entry| (entry.id.clone(), entry.title.to_string()))
2814 .collect::<Vec<_>>()
2815 })
2816 }
2817
2818 fn init_test(cx: &mut TestAppContext) {
2819 env_logger::try_init().ok();
2820 cx.update(|cx| {
2821 let settings_store = SettingsStore::test(cx);
2822 cx.set_global(settings_store);
2823
2824 LanguageModelRegistry::test(cx);
2825 });
2826 }
2827}
2828
2829fn mcp_message_content_to_acp_content_block(
2830 content: context_server::types::MessageContent,
2831) -> acp::ContentBlock {
2832 match content {
2833 context_server::types::MessageContent::Text {
2834 text,
2835 annotations: _,
2836 } => text.into(),
2837 context_server::types::MessageContent::Image {
2838 data,
2839 mime_type,
2840 annotations: _,
2841 } => acp::ContentBlock::Image(acp::ImageContent::new(data, mime_type)),
2842 context_server::types::MessageContent::Audio {
2843 data,
2844 mime_type,
2845 annotations: _,
2846 } => acp::ContentBlock::Audio(acp::AudioContent::new(data, mime_type)),
2847 context_server::types::MessageContent::Resource {
2848 resource,
2849 annotations: _,
2850 } => {
2851 let mut link =
2852 acp::ResourceLink::new(resource.uri.to_string(), resource.uri.to_string());
2853 if let Some(mime_type) = resource.mime_type {
2854 link = link.mime_type(mime_type);
2855 }
2856 acp::ContentBlock::ResourceLink(link)
2857 }
2858 }
2859}