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(&self, session_id: &acp::SessionId, cx: &mut App) -> Task<Result<()>> {
1422 self.0.update(cx, |agent, _cx| {
1423 let project_id = agent.sessions.get(session_id).map(|s| s.project_id);
1424 agent.sessions.remove(session_id);
1425
1426 if let Some(project_id) = project_id {
1427 let has_remaining = agent.sessions.values().any(|s| s.project_id == project_id);
1428 if !has_remaining {
1429 agent.projects.remove(&project_id);
1430 }
1431 }
1432 });
1433 Task::ready(Ok(()))
1434 }
1435
1436 fn auth_methods(&self) -> &[acp::AuthMethod] {
1437 &[] // No auth for in-process
1438 }
1439
1440 fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
1441 Task::ready(Ok(()))
1442 }
1443
1444 fn model_selector(&self, session_id: &acp::SessionId) -> Option<Rc<dyn AgentModelSelector>> {
1445 Some(Rc::new(NativeAgentModelSelector {
1446 session_id: session_id.clone(),
1447 connection: self.clone(),
1448 }) as Rc<dyn AgentModelSelector>)
1449 }
1450
1451 fn prompt(
1452 &self,
1453 id: Option<acp_thread::UserMessageId>,
1454 params: acp::PromptRequest,
1455 cx: &mut App,
1456 ) -> Task<Result<acp::PromptResponse>> {
1457 let id = id.expect("UserMessageId is required");
1458 let session_id = params.session_id.clone();
1459 log::info!("Received prompt request for session: {}", session_id);
1460 log::debug!("Prompt blocks count: {}", params.prompt.len());
1461
1462 let Some(project_state) = self.0.read(cx).session_project_state(&session_id) else {
1463 return Task::ready(Err(anyhow::anyhow!("Session not found")));
1464 };
1465
1466 if let Some(parsed_command) = Command::parse(¶ms.prompt) {
1467 let registry = project_state.context_server_registry.read(cx);
1468
1469 let explicit_server_id = parsed_command
1470 .explicit_server_id
1471 .map(|server_id| ContextServerId(server_id.into()));
1472
1473 if let Some(prompt) =
1474 registry.find_prompt(explicit_server_id.as_ref(), parsed_command.prompt_name)
1475 {
1476 let arguments = if !parsed_command.arg_value.is_empty()
1477 && let Some(arg_name) = prompt
1478 .prompt
1479 .arguments
1480 .as_ref()
1481 .and_then(|args| args.first())
1482 .map(|arg| arg.name.clone())
1483 {
1484 HashMap::from_iter([(arg_name, parsed_command.arg_value.to_string())])
1485 } else {
1486 Default::default()
1487 };
1488
1489 let prompt_name = prompt.prompt.name.clone();
1490 let server_id = prompt.server_id.clone();
1491
1492 return self.0.update(cx, |agent, cx| {
1493 agent.send_mcp_prompt(
1494 id,
1495 session_id.clone(),
1496 prompt_name,
1497 server_id,
1498 arguments,
1499 params.prompt,
1500 cx,
1501 )
1502 });
1503 }
1504 };
1505
1506 let path_style = project_state.project.read(cx).path_style(cx);
1507
1508 self.run_turn(session_id, cx, move |thread, cx| {
1509 let content: Vec<UserMessageContent> = params
1510 .prompt
1511 .into_iter()
1512 .map(|block| UserMessageContent::from_content_block(block, path_style))
1513 .collect::<Vec<_>>();
1514 log::debug!("Converted prompt to message: {} chars", content.len());
1515 log::debug!("Message id: {:?}", id);
1516 log::debug!("Message content: {:?}", content);
1517
1518 thread.update(cx, |thread, cx| thread.send(id, content, cx))
1519 })
1520 }
1521
1522 fn retry(
1523 &self,
1524 session_id: &acp::SessionId,
1525 _cx: &App,
1526 ) -> Option<Rc<dyn acp_thread::AgentSessionRetry>> {
1527 Some(Rc::new(NativeAgentSessionRetry {
1528 connection: self.clone(),
1529 session_id: session_id.clone(),
1530 }) as _)
1531 }
1532
1533 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
1534 log::info!("Cancelling on session: {}", session_id);
1535 self.0.update(cx, |agent, cx| {
1536 if let Some(session) = agent.sessions.get(session_id) {
1537 session
1538 .thread
1539 .update(cx, |thread, cx| thread.cancel(cx))
1540 .detach();
1541 }
1542 });
1543 }
1544
1545 fn truncate(
1546 &self,
1547 session_id: &acp::SessionId,
1548 cx: &App,
1549 ) -> Option<Rc<dyn acp_thread::AgentSessionTruncate>> {
1550 self.0.read_with(cx, |agent, _cx| {
1551 agent.sessions.get(session_id).map(|session| {
1552 Rc::new(NativeAgentSessionTruncate {
1553 thread: session.thread.clone(),
1554 acp_thread: session.acp_thread.downgrade(),
1555 }) as _
1556 })
1557 })
1558 }
1559
1560 fn set_title(
1561 &self,
1562 session_id: &acp::SessionId,
1563 cx: &App,
1564 ) -> Option<Rc<dyn acp_thread::AgentSessionSetTitle>> {
1565 self.0.read_with(cx, |agent, _cx| {
1566 agent
1567 .sessions
1568 .get(session_id)
1569 .filter(|s| !s.thread.read(cx).is_subagent())
1570 .map(|session| {
1571 Rc::new(NativeAgentSessionSetTitle {
1572 thread: session.thread.clone(),
1573 }) as _
1574 })
1575 })
1576 }
1577
1578 fn session_list(&self, cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
1579 let thread_store = self.0.read(cx).thread_store.clone();
1580 Some(Rc::new(NativeAgentSessionList::new(thread_store, cx)) as _)
1581 }
1582
1583 fn telemetry(&self) -> Option<Rc<dyn acp_thread::AgentTelemetry>> {
1584 Some(Rc::new(self.clone()) as Rc<dyn acp_thread::AgentTelemetry>)
1585 }
1586
1587 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1588 self
1589 }
1590}
1591
1592impl acp_thread::AgentTelemetry for NativeAgentConnection {
1593 fn thread_data(
1594 &self,
1595 session_id: &acp::SessionId,
1596 cx: &mut App,
1597 ) -> Task<Result<serde_json::Value>> {
1598 let Some(session) = self.0.read(cx).sessions.get(session_id) else {
1599 return Task::ready(Err(anyhow!("Session not found")));
1600 };
1601
1602 let task = session.thread.read(cx).to_db(cx);
1603 cx.background_spawn(async move {
1604 serde_json::to_value(task.await).context("Failed to serialize thread")
1605 })
1606 }
1607}
1608
1609pub struct NativeAgentSessionList {
1610 thread_store: Entity<ThreadStore>,
1611 updates_tx: smol::channel::Sender<acp_thread::SessionListUpdate>,
1612 updates_rx: smol::channel::Receiver<acp_thread::SessionListUpdate>,
1613 _subscription: Subscription,
1614}
1615
1616impl NativeAgentSessionList {
1617 fn new(thread_store: Entity<ThreadStore>, cx: &mut App) -> Self {
1618 let (tx, rx) = smol::channel::unbounded();
1619 let this_tx = tx.clone();
1620 let subscription = cx.observe(&thread_store, move |_, _| {
1621 this_tx
1622 .try_send(acp_thread::SessionListUpdate::Refresh)
1623 .ok();
1624 });
1625 Self {
1626 thread_store,
1627 updates_tx: tx,
1628 updates_rx: rx,
1629 _subscription: subscription,
1630 }
1631 }
1632
1633 pub fn thread_store(&self) -> &Entity<ThreadStore> {
1634 &self.thread_store
1635 }
1636}
1637
1638impl AgentSessionList for NativeAgentSessionList {
1639 fn list_sessions(
1640 &self,
1641 _request: AgentSessionListRequest,
1642 cx: &mut App,
1643 ) -> Task<Result<AgentSessionListResponse>> {
1644 let sessions = self
1645 .thread_store
1646 .read(cx)
1647 .entries()
1648 .map(|entry| AgentSessionInfo::from(&entry))
1649 .collect();
1650 Task::ready(Ok(AgentSessionListResponse::new(sessions)))
1651 }
1652
1653 fn supports_delete(&self) -> bool {
1654 true
1655 }
1656
1657 fn delete_session(&self, session_id: &acp::SessionId, cx: &mut App) -> Task<Result<()>> {
1658 self.thread_store
1659 .update(cx, |store, cx| store.delete_thread(session_id.clone(), cx))
1660 }
1661
1662 fn delete_sessions(&self, cx: &mut App) -> Task<Result<()>> {
1663 self.thread_store
1664 .update(cx, |store, cx| store.delete_threads(cx))
1665 }
1666
1667 fn watch(
1668 &self,
1669 _cx: &mut App,
1670 ) -> Option<smol::channel::Receiver<acp_thread::SessionListUpdate>> {
1671 Some(self.updates_rx.clone())
1672 }
1673
1674 fn notify_refresh(&self) {
1675 self.updates_tx
1676 .try_send(acp_thread::SessionListUpdate::Refresh)
1677 .ok();
1678 }
1679
1680 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1681 self
1682 }
1683}
1684
1685struct NativeAgentSessionTruncate {
1686 thread: Entity<Thread>,
1687 acp_thread: WeakEntity<AcpThread>,
1688}
1689
1690impl acp_thread::AgentSessionTruncate for NativeAgentSessionTruncate {
1691 fn run(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
1692 match self.thread.update(cx, |thread, cx| {
1693 thread.truncate(message_id.clone(), cx)?;
1694 Ok(thread.latest_token_usage())
1695 }) {
1696 Ok(usage) => {
1697 self.acp_thread
1698 .update(cx, |thread, cx| {
1699 thread.update_token_usage(usage, cx);
1700 })
1701 .ok();
1702 Task::ready(Ok(()))
1703 }
1704 Err(error) => Task::ready(Err(error)),
1705 }
1706 }
1707}
1708
1709struct NativeAgentSessionRetry {
1710 connection: NativeAgentConnection,
1711 session_id: acp::SessionId,
1712}
1713
1714impl acp_thread::AgentSessionRetry for NativeAgentSessionRetry {
1715 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
1716 self.connection
1717 .run_turn(self.session_id.clone(), cx, |thread, cx| {
1718 thread.update(cx, |thread, cx| thread.resume(cx))
1719 })
1720 }
1721}
1722
1723struct NativeAgentSessionSetTitle {
1724 thread: Entity<Thread>,
1725}
1726
1727impl acp_thread::AgentSessionSetTitle for NativeAgentSessionSetTitle {
1728 fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>> {
1729 self.thread
1730 .update(cx, |thread, cx| thread.set_title(title, cx));
1731 Task::ready(Ok(()))
1732 }
1733}
1734
1735pub struct NativeThreadEnvironment {
1736 agent: WeakEntity<NativeAgent>,
1737 thread: WeakEntity<Thread>,
1738 acp_thread: WeakEntity<AcpThread>,
1739}
1740
1741impl NativeThreadEnvironment {
1742 pub(crate) fn create_subagent_thread(
1743 &self,
1744 label: String,
1745 cx: &mut App,
1746 ) -> Result<Rc<dyn SubagentHandle>> {
1747 let Some(parent_thread_entity) = self.thread.upgrade() else {
1748 anyhow::bail!("Parent thread no longer exists".to_string());
1749 };
1750 let parent_thread = parent_thread_entity.read(cx);
1751 let current_depth = parent_thread.depth();
1752 let parent_session_id = parent_thread.id().clone();
1753
1754 if current_depth >= MAX_SUBAGENT_DEPTH {
1755 return Err(anyhow!(
1756 "Maximum subagent depth ({}) reached",
1757 MAX_SUBAGENT_DEPTH
1758 ));
1759 }
1760
1761 let subagent_thread: Entity<Thread> = cx.new(|cx| {
1762 let mut thread = Thread::new_subagent(&parent_thread_entity, cx);
1763 thread.set_title(label.into(), cx);
1764 thread
1765 });
1766
1767 let session_id = subagent_thread.read(cx).id().clone();
1768
1769 let acp_thread = self
1770 .agent
1771 .update(cx, |agent, cx| -> Result<Entity<AcpThread>> {
1772 let project_id = agent
1773 .sessions
1774 .get(&parent_session_id)
1775 .map(|s| s.project_id)
1776 .context("parent session not found")?;
1777 Ok(agent.register_session(subagent_thread.clone(), project_id, cx))
1778 })??;
1779
1780 let depth = current_depth + 1;
1781
1782 telemetry::event!(
1783 "Subagent Started",
1784 session = parent_thread_entity.read(cx).id().to_string(),
1785 subagent_session = session_id.to_string(),
1786 depth,
1787 is_resumed = false,
1788 );
1789
1790 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1791 }
1792
1793 pub(crate) fn resume_subagent_thread(
1794 &self,
1795 session_id: acp::SessionId,
1796 cx: &mut App,
1797 ) -> Result<Rc<dyn SubagentHandle>> {
1798 let (subagent_thread, acp_thread) = self.agent.update(cx, |agent, _cx| {
1799 let session = agent
1800 .sessions
1801 .get(&session_id)
1802 .ok_or_else(|| anyhow!("No subagent session found with id {session_id}"))?;
1803 anyhow::Ok((session.thread.clone(), session.acp_thread.clone()))
1804 })??;
1805
1806 let depth = subagent_thread.read(cx).depth();
1807
1808 if let Some(parent_thread_entity) = self.thread.upgrade() {
1809 telemetry::event!(
1810 "Subagent Started",
1811 session = parent_thread_entity.read(cx).id().to_string(),
1812 subagent_session = session_id.to_string(),
1813 depth,
1814 is_resumed = true,
1815 );
1816 }
1817
1818 self.prompt_subagent(session_id, subagent_thread, acp_thread)
1819 }
1820
1821 fn prompt_subagent(
1822 &self,
1823 session_id: acp::SessionId,
1824 subagent_thread: Entity<Thread>,
1825 acp_thread: Entity<acp_thread::AcpThread>,
1826 ) -> Result<Rc<dyn SubagentHandle>> {
1827 let Some(parent_thread_entity) = self.thread.upgrade() else {
1828 anyhow::bail!("Parent thread no longer exists".to_string());
1829 };
1830 Ok(Rc::new(NativeSubagentHandle::new(
1831 session_id,
1832 subagent_thread,
1833 acp_thread,
1834 parent_thread_entity,
1835 )) as _)
1836 }
1837}
1838
1839impl ThreadEnvironment for NativeThreadEnvironment {
1840 fn create_terminal(
1841 &self,
1842 command: String,
1843 cwd: Option<PathBuf>,
1844 output_byte_limit: Option<u64>,
1845 cx: &mut AsyncApp,
1846 ) -> Task<Result<Rc<dyn TerminalHandle>>> {
1847 let task = self.acp_thread.update(cx, |thread, cx| {
1848 thread.create_terminal(command, vec![], vec![], cwd, output_byte_limit, cx)
1849 });
1850
1851 let acp_thread = self.acp_thread.clone();
1852 cx.spawn(async move |cx| {
1853 let terminal = task?.await?;
1854
1855 let (drop_tx, drop_rx) = oneshot::channel();
1856 let terminal_id = terminal.read_with(cx, |terminal, _cx| terminal.id().clone());
1857
1858 cx.spawn(async move |cx| {
1859 drop_rx.await.ok();
1860 acp_thread.update(cx, |thread, cx| thread.release_terminal(terminal_id, cx))
1861 })
1862 .detach();
1863
1864 let handle = AcpTerminalHandle {
1865 terminal,
1866 _drop_tx: Some(drop_tx),
1867 };
1868
1869 Ok(Rc::new(handle) as _)
1870 })
1871 }
1872
1873 fn create_subagent(&self, label: String, cx: &mut App) -> Result<Rc<dyn SubagentHandle>> {
1874 self.create_subagent_thread(label, cx)
1875 }
1876
1877 fn resume_subagent(
1878 &self,
1879 session_id: acp::SessionId,
1880 cx: &mut App,
1881 ) -> Result<Rc<dyn SubagentHandle>> {
1882 self.resume_subagent_thread(session_id, cx)
1883 }
1884}
1885
1886#[derive(Debug, Clone)]
1887enum SubagentPromptResult {
1888 Completed,
1889 Cancelled,
1890 ContextWindowWarning,
1891 Error(String),
1892}
1893
1894pub struct NativeSubagentHandle {
1895 session_id: acp::SessionId,
1896 parent_thread: WeakEntity<Thread>,
1897 subagent_thread: Entity<Thread>,
1898 acp_thread: Entity<acp_thread::AcpThread>,
1899}
1900
1901impl NativeSubagentHandle {
1902 fn new(
1903 session_id: acp::SessionId,
1904 subagent_thread: Entity<Thread>,
1905 acp_thread: Entity<acp_thread::AcpThread>,
1906 parent_thread_entity: Entity<Thread>,
1907 ) -> Self {
1908 NativeSubagentHandle {
1909 session_id,
1910 subagent_thread,
1911 parent_thread: parent_thread_entity.downgrade(),
1912 acp_thread,
1913 }
1914 }
1915}
1916
1917impl SubagentHandle for NativeSubagentHandle {
1918 fn id(&self) -> acp::SessionId {
1919 self.session_id.clone()
1920 }
1921
1922 fn num_entries(&self, cx: &App) -> usize {
1923 self.acp_thread.read(cx).entries().len()
1924 }
1925
1926 fn send(&self, message: String, cx: &AsyncApp) -> Task<Result<String>> {
1927 let thread = self.subagent_thread.clone();
1928 let acp_thread = self.acp_thread.clone();
1929 let subagent_session_id = self.session_id.clone();
1930 let parent_thread = self.parent_thread.clone();
1931
1932 cx.spawn(async move |cx| {
1933 let (task, _subscription) = cx.update(|cx| {
1934 let ratio_before_prompt = thread
1935 .read(cx)
1936 .latest_token_usage()
1937 .map(|usage| usage.ratio());
1938
1939 parent_thread
1940 .update(cx, |parent_thread, _cx| {
1941 parent_thread.register_running_subagent(thread.downgrade())
1942 })
1943 .ok();
1944
1945 let task = acp_thread.update(cx, |acp_thread, cx| {
1946 acp_thread.send(vec![message.into()], cx)
1947 });
1948
1949 let (token_limit_tx, token_limit_rx) = oneshot::channel::<()>();
1950 let mut token_limit_tx = Some(token_limit_tx);
1951
1952 let subscription = cx.subscribe(
1953 &thread,
1954 move |_thread, event: &TokenUsageUpdated, _cx| {
1955 if let Some(usage) = &event.0 {
1956 let old_ratio = ratio_before_prompt
1957 .clone()
1958 .unwrap_or(TokenUsageRatio::Normal);
1959 let new_ratio = usage.ratio();
1960 if old_ratio == TokenUsageRatio::Normal
1961 && new_ratio == TokenUsageRatio::Warning
1962 {
1963 if let Some(tx) = token_limit_tx.take() {
1964 tx.send(()).ok();
1965 }
1966 }
1967 }
1968 },
1969 );
1970
1971 let wait_for_prompt = cx
1972 .background_spawn(async move {
1973 futures::select! {
1974 response = task.fuse() => match response {
1975 Ok(Some(response)) => {
1976 match response.stop_reason {
1977 acp::StopReason::Cancelled => SubagentPromptResult::Cancelled,
1978 acp::StopReason::MaxTokens => SubagentPromptResult::Error("The agent reached the maximum number of tokens.".into()),
1979 acp::StopReason::MaxTurnRequests => SubagentPromptResult::Error("The agent reached the maximum number of allowed requests between user turns. Try prompting again.".into()),
1980 acp::StopReason::Refusal => SubagentPromptResult::Error("The agent refused to process that prompt. Try again.".into()),
1981 acp::StopReason::EndTurn | _ => SubagentPromptResult::Completed,
1982 }
1983 }
1984 Ok(None) => SubagentPromptResult::Error("No response from the agent. You can try messaging again.".into()),
1985 Err(error) => SubagentPromptResult::Error(error.to_string()),
1986 },
1987 _ = token_limit_rx.fuse() => SubagentPromptResult::ContextWindowWarning,
1988 }
1989 });
1990
1991 (wait_for_prompt, subscription)
1992 });
1993
1994 let result = match task.await {
1995 SubagentPromptResult::Completed => thread.read_with(cx, |thread, _cx| {
1996 thread
1997 .last_message()
1998 .and_then(|message| {
1999 let content = message.as_agent_message()?
2000 .content
2001 .iter()
2002 .filter_map(|c| match c {
2003 AgentMessageContent::Text(text) => Some(text.as_str()),
2004 _ => None,
2005 })
2006 .join("\n\n");
2007 if content.is_empty() {
2008 None
2009 } else {
2010 Some( content)
2011 }
2012 })
2013 .context("No response from subagent")
2014 }),
2015 SubagentPromptResult::Cancelled => Err(anyhow!("User canceled")),
2016 SubagentPromptResult::Error(message) => Err(anyhow!("{message}")),
2017 SubagentPromptResult::ContextWindowWarning => {
2018 thread.update(cx, |thread, cx| thread.cancel(cx)).await;
2019 Err(anyhow!(
2020 "The agent is nearing the end of its context window and has been \
2021 stopped. You can prompt the thread again to have the agent wrap up \
2022 or hand off its work."
2023 ))
2024 }
2025 };
2026
2027 parent_thread
2028 .update(cx, |parent_thread, cx| {
2029 parent_thread.unregister_running_subagent(&subagent_session_id, cx)
2030 })
2031 .ok();
2032
2033 result
2034 })
2035 }
2036}
2037
2038pub struct AcpTerminalHandle {
2039 terminal: Entity<acp_thread::Terminal>,
2040 _drop_tx: Option<oneshot::Sender<()>>,
2041}
2042
2043impl TerminalHandle for AcpTerminalHandle {
2044 fn id(&self, cx: &AsyncApp) -> Result<acp::TerminalId> {
2045 Ok(self.terminal.read_with(cx, |term, _cx| term.id().clone()))
2046 }
2047
2048 fn wait_for_exit(&self, cx: &AsyncApp) -> Result<Shared<Task<acp::TerminalExitStatus>>> {
2049 Ok(self
2050 .terminal
2051 .read_with(cx, |term, _cx| term.wait_for_exit()))
2052 }
2053
2054 fn current_output(&self, cx: &AsyncApp) -> Result<acp::TerminalOutputResponse> {
2055 Ok(self
2056 .terminal
2057 .read_with(cx, |term, cx| term.current_output(cx)))
2058 }
2059
2060 fn kill(&self, cx: &AsyncApp) -> Result<()> {
2061 cx.update(|cx| {
2062 self.terminal.update(cx, |terminal, cx| {
2063 terminal.kill(cx);
2064 });
2065 });
2066 Ok(())
2067 }
2068
2069 fn was_stopped_by_user(&self, cx: &AsyncApp) -> Result<bool> {
2070 Ok(self
2071 .terminal
2072 .read_with(cx, |term, _cx| term.was_stopped_by_user()))
2073 }
2074}
2075
2076#[cfg(test)]
2077mod internal_tests {
2078 use super::*;
2079 use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelInfo, MentionUri};
2080 use fs::FakeFs;
2081 use gpui::TestAppContext;
2082 use indoc::formatdoc;
2083 use language_model::fake_provider::{FakeLanguageModel, FakeLanguageModelProvider};
2084 use language_model::{
2085 LanguageModelCompletionEvent, LanguageModelProviderId, LanguageModelProviderName,
2086 };
2087 use serde_json::json;
2088 use settings::SettingsStore;
2089 use util::{path, rel_path::rel_path};
2090
2091 #[gpui::test]
2092 async fn test_maintaining_project_context(cx: &mut TestAppContext) {
2093 init_test(cx);
2094 let fs = FakeFs::new(cx.executor());
2095 fs.insert_tree(
2096 "/",
2097 json!({
2098 "a": {}
2099 }),
2100 )
2101 .await;
2102 let project = Project::test(fs.clone(), [], cx).await;
2103 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2104 let agent =
2105 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2106
2107 // Creating a session registers the project and triggers context building.
2108 let connection = NativeAgentConnection(agent.clone());
2109 let _acp_thread = cx
2110 .update(|cx| Rc::new(connection).new_session(project.clone(), Path::new("/"), cx))
2111 .await
2112 .unwrap();
2113 cx.run_until_parked();
2114
2115 agent.read_with(cx, |agent, cx| {
2116 let project_id = project.entity_id();
2117 let state = agent.projects.get(&project_id).unwrap();
2118 assert_eq!(state.project_context.read(cx).worktrees, vec![])
2119 });
2120
2121 let worktree = project
2122 .update(cx, |project, cx| project.create_worktree("/a", true, cx))
2123 .await
2124 .unwrap();
2125 cx.run_until_parked();
2126 agent.read_with(cx, |agent, cx| {
2127 let project_id = project.entity_id();
2128 let state = agent.projects.get(&project_id).unwrap();
2129 assert_eq!(
2130 state.project_context.read(cx).worktrees,
2131 vec![WorktreeContext {
2132 root_name: "a".into(),
2133 abs_path: Path::new("/a").into(),
2134 rules_file: None
2135 }]
2136 )
2137 });
2138
2139 // Creating `/a/.rules` updates the project context.
2140 fs.insert_file("/a/.rules", Vec::new()).await;
2141 cx.run_until_parked();
2142 agent.read_with(cx, |agent, cx| {
2143 let project_id = project.entity_id();
2144 let state = agent.projects.get(&project_id).unwrap();
2145 let rules_entry = worktree
2146 .read(cx)
2147 .entry_for_path(rel_path(".rules"))
2148 .unwrap();
2149 assert_eq!(
2150 state.project_context.read(cx).worktrees,
2151 vec![WorktreeContext {
2152 root_name: "a".into(),
2153 abs_path: Path::new("/a").into(),
2154 rules_file: Some(RulesFileContext {
2155 path_in_worktree: rel_path(".rules").into(),
2156 text: "".into(),
2157 project_entry_id: rules_entry.id.to_usize()
2158 })
2159 }]
2160 )
2161 });
2162 }
2163
2164 #[gpui::test]
2165 async fn test_listing_models(cx: &mut TestAppContext) {
2166 init_test(cx);
2167 let fs = FakeFs::new(cx.executor());
2168 fs.insert_tree("/", json!({ "a": {} })).await;
2169 let project = Project::test(fs.clone(), [], cx).await;
2170 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2171 let connection =
2172 NativeAgentConnection(cx.update(|cx| {
2173 NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx)
2174 }));
2175
2176 // Create a thread/session
2177 let acp_thread = cx
2178 .update(|cx| {
2179 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2180 })
2181 .await
2182 .unwrap();
2183
2184 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2185
2186 let models = cx
2187 .update(|cx| {
2188 connection
2189 .model_selector(&session_id)
2190 .unwrap()
2191 .list_models(cx)
2192 })
2193 .await
2194 .unwrap();
2195
2196 let acp_thread::AgentModelList::Grouped(models) = models else {
2197 panic!("Unexpected model group");
2198 };
2199 assert_eq!(
2200 models,
2201 IndexMap::from_iter([(
2202 AgentModelGroupName("Fake".into()),
2203 vec![AgentModelInfo {
2204 id: acp::ModelId::new("fake/fake"),
2205 name: "Fake".into(),
2206 description: None,
2207 icon: Some(acp_thread::AgentModelIcon::Named(
2208 ui::IconName::ZedAssistant
2209 )),
2210 is_latest: false,
2211 cost: None,
2212 }]
2213 )])
2214 );
2215 }
2216
2217 #[gpui::test]
2218 async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
2219 init_test(cx);
2220 let fs = FakeFs::new(cx.executor());
2221 fs.create_dir(paths::settings_file().parent().unwrap())
2222 .await
2223 .unwrap();
2224 fs.insert_file(
2225 paths::settings_file(),
2226 json!({
2227 "agent": {
2228 "default_model": {
2229 "provider": "foo",
2230 "model": "bar"
2231 }
2232 }
2233 })
2234 .to_string()
2235 .into_bytes(),
2236 )
2237 .await;
2238 let project = Project::test(fs.clone(), [], cx).await;
2239
2240 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2241
2242 // Create the agent and connection
2243 let agent =
2244 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2245 let connection = NativeAgentConnection(agent.clone());
2246
2247 // Create a thread/session
2248 let acp_thread = cx
2249 .update(|cx| {
2250 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2251 })
2252 .await
2253 .unwrap();
2254
2255 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2256
2257 // Select a model
2258 let selector = connection.model_selector(&session_id).unwrap();
2259 let model_id = acp::ModelId::new("fake/fake");
2260 cx.update(|cx| selector.select_model(model_id.clone(), cx))
2261 .await
2262 .unwrap();
2263
2264 // Verify the thread has the selected model
2265 agent.read_with(cx, |agent, _| {
2266 let session = agent.sessions.get(&session_id).unwrap();
2267 session.thread.read_with(cx, |thread, _| {
2268 assert_eq!(thread.model().unwrap().id().0, "fake");
2269 });
2270 });
2271
2272 cx.run_until_parked();
2273
2274 // Verify settings file was updated
2275 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2276 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2277
2278 // Check that the agent settings contain the selected model
2279 assert_eq!(
2280 settings_json["agent"]["default_model"]["model"],
2281 json!("fake")
2282 );
2283 assert_eq!(
2284 settings_json["agent"]["default_model"]["provider"],
2285 json!("fake")
2286 );
2287
2288 // Register a thinking model and select it.
2289 cx.update(|cx| {
2290 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2291 "fake-corp",
2292 "fake-thinking",
2293 "Fake Thinking",
2294 true,
2295 ));
2296 let thinking_provider = Arc::new(
2297 FakeLanguageModelProvider::new(
2298 LanguageModelProviderId::from("fake-corp".to_string()),
2299 LanguageModelProviderName::from("Fake Corp".to_string()),
2300 )
2301 .with_models(vec![thinking_model]),
2302 );
2303 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2304 registry.register_provider(thinking_provider, cx);
2305 });
2306 });
2307 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2308
2309 let selector = connection.model_selector(&session_id).unwrap();
2310 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2311 .await
2312 .unwrap();
2313 cx.run_until_parked();
2314
2315 // Verify enable_thinking was written to settings as true.
2316 let settings_content = fs.load(paths::settings_file()).await.unwrap();
2317 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
2318 assert_eq!(
2319 settings_json["agent"]["default_model"]["enable_thinking"],
2320 json!(true),
2321 "selecting a thinking model should persist enable_thinking: true to settings"
2322 );
2323 }
2324
2325 #[gpui::test]
2326 async fn test_select_model_updates_thinking_enabled(cx: &mut TestAppContext) {
2327 init_test(cx);
2328 let fs = FakeFs::new(cx.executor());
2329 fs.create_dir(paths::settings_file().parent().unwrap())
2330 .await
2331 .unwrap();
2332 fs.insert_file(paths::settings_file(), b"{}".to_vec()).await;
2333 let project = Project::test(fs.clone(), [], cx).await;
2334
2335 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2336 let agent =
2337 cx.update(|cx| NativeAgent::new(thread_store, Templates::new(), None, fs.clone(), cx));
2338 let connection = NativeAgentConnection(agent.clone());
2339
2340 let acp_thread = cx
2341 .update(|cx| {
2342 Rc::new(connection.clone()).new_session(project.clone(), Path::new("/a"), cx)
2343 })
2344 .await
2345 .unwrap();
2346 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
2347
2348 // Register a second provider with a thinking model.
2349 cx.update(|cx| {
2350 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2351 "fake-corp",
2352 "fake-thinking",
2353 "Fake Thinking",
2354 true,
2355 ));
2356 let thinking_provider = Arc::new(
2357 FakeLanguageModelProvider::new(
2358 LanguageModelProviderId::from("fake-corp".to_string()),
2359 LanguageModelProviderName::from("Fake Corp".to_string()),
2360 )
2361 .with_models(vec![thinking_model]),
2362 );
2363 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2364 registry.register_provider(thinking_provider, cx);
2365 });
2366 });
2367 // Refresh the agent's model list so it picks up the new provider.
2368 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2369
2370 // Thread starts with thinking_enabled = false (the default).
2371 agent.read_with(cx, |agent, _| {
2372 let session = agent.sessions.get(&session_id).unwrap();
2373 session.thread.read_with(cx, |thread, _| {
2374 assert!(!thread.thinking_enabled(), "thinking defaults to false");
2375 });
2376 });
2377
2378 // Select the thinking model via select_model.
2379 let selector = connection.model_selector(&session_id).unwrap();
2380 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2381 .await
2382 .unwrap();
2383
2384 // select_model should have enabled thinking based on the model's supports_thinking().
2385 agent.read_with(cx, |agent, _| {
2386 let session = agent.sessions.get(&session_id).unwrap();
2387 session.thread.read_with(cx, |thread, _| {
2388 assert!(
2389 thread.thinking_enabled(),
2390 "select_model should enable thinking when model supports it"
2391 );
2392 });
2393 });
2394
2395 // Switch back to the non-thinking model.
2396 let selector = connection.model_selector(&session_id).unwrap();
2397 cx.update(|cx| selector.select_model(acp::ModelId::new("fake/fake"), cx))
2398 .await
2399 .unwrap();
2400
2401 // select_model should have disabled thinking.
2402 agent.read_with(cx, |agent, _| {
2403 let session = agent.sessions.get(&session_id).unwrap();
2404 session.thread.read_with(cx, |thread, _| {
2405 assert!(
2406 !thread.thinking_enabled(),
2407 "select_model should disable thinking when model does not support it"
2408 );
2409 });
2410 });
2411 }
2412
2413 #[gpui::test]
2414 async fn test_loaded_thread_preserves_thinking_enabled(cx: &mut TestAppContext) {
2415 init_test(cx);
2416 let fs = FakeFs::new(cx.executor());
2417 fs.insert_tree("/", json!({ "a": {} })).await;
2418 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2419 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2420 let agent = cx.update(|cx| {
2421 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2422 });
2423 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2424
2425 // Register a thinking model.
2426 let thinking_model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2427 "fake-corp",
2428 "fake-thinking",
2429 "Fake Thinking",
2430 true,
2431 ));
2432 let thinking_provider = Arc::new(
2433 FakeLanguageModelProvider::new(
2434 LanguageModelProviderId::from("fake-corp".to_string()),
2435 LanguageModelProviderName::from("Fake Corp".to_string()),
2436 )
2437 .with_models(vec![thinking_model.clone()]),
2438 );
2439 cx.update(|cx| {
2440 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2441 registry.register_provider(thinking_provider, cx);
2442 });
2443 });
2444 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2445
2446 // Create a thread and select the thinking model.
2447 let acp_thread = cx
2448 .update(|cx| {
2449 connection
2450 .clone()
2451 .new_session(project.clone(), Path::new("/a"), cx)
2452 })
2453 .await
2454 .unwrap();
2455 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2456
2457 let selector = connection.model_selector(&session_id).unwrap();
2458 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/fake-thinking"), cx))
2459 .await
2460 .unwrap();
2461
2462 // Verify thinking is enabled after selecting the thinking model.
2463 let thread = agent.read_with(cx, |agent, _| {
2464 agent.sessions.get(&session_id).unwrap().thread.clone()
2465 });
2466 thread.read_with(cx, |thread, _| {
2467 assert!(
2468 thread.thinking_enabled(),
2469 "thinking should be enabled after selecting thinking model"
2470 );
2471 });
2472
2473 // Send a message so the thread gets persisted.
2474 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2475 let send = cx.foreground_executor().spawn(send);
2476 cx.run_until_parked();
2477
2478 thinking_model.send_last_completion_stream_text_chunk("Response.");
2479 thinking_model.end_last_completion_stream();
2480
2481 send.await.unwrap();
2482 cx.run_until_parked();
2483
2484 // Close the session so it can be reloaded from disk.
2485 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2486 .await
2487 .unwrap();
2488 drop(thread);
2489 drop(acp_thread);
2490 agent.read_with(cx, |agent, _| {
2491 assert!(agent.sessions.is_empty());
2492 });
2493
2494 // Reload the thread and verify thinking_enabled is still true.
2495 let reloaded_acp_thread = agent
2496 .update(cx, |agent, cx| {
2497 agent.open_thread(session_id.clone(), project.clone(), cx)
2498 })
2499 .await
2500 .unwrap();
2501 let reloaded_thread = agent.read_with(cx, |agent, _| {
2502 agent.sessions.get(&session_id).unwrap().thread.clone()
2503 });
2504 reloaded_thread.read_with(cx, |thread, _| {
2505 assert!(
2506 thread.thinking_enabled(),
2507 "thinking_enabled should be preserved when reloading a thread with a thinking model"
2508 );
2509 });
2510
2511 drop(reloaded_acp_thread);
2512 }
2513
2514 #[gpui::test]
2515 async fn test_loaded_thread_preserves_model(cx: &mut TestAppContext) {
2516 init_test(cx);
2517 let fs = FakeFs::new(cx.executor());
2518 fs.insert_tree("/", json!({ "a": {} })).await;
2519 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2520 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2521 let agent = cx.update(|cx| {
2522 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2523 });
2524 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2525
2526 // Register a model where id() != name(), like real Anthropic models
2527 // (e.g. id="claude-sonnet-4-5-thinking-latest", name="Claude Sonnet 4.5 Thinking").
2528 let model = Arc::new(FakeLanguageModel::with_id_and_thinking(
2529 "fake-corp",
2530 "custom-model-id",
2531 "Custom Model Display Name",
2532 false,
2533 ));
2534 let provider = Arc::new(
2535 FakeLanguageModelProvider::new(
2536 LanguageModelProviderId::from("fake-corp".to_string()),
2537 LanguageModelProviderName::from("Fake Corp".to_string()),
2538 )
2539 .with_models(vec![model.clone()]),
2540 );
2541 cx.update(|cx| {
2542 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
2543 registry.register_provider(provider, cx);
2544 });
2545 });
2546 agent.update(cx, |agent, cx| agent.models.refresh_list(cx));
2547
2548 // Create a thread and select the model.
2549 let acp_thread = cx
2550 .update(|cx| {
2551 connection
2552 .clone()
2553 .new_session(project.clone(), Path::new("/a"), cx)
2554 })
2555 .await
2556 .unwrap();
2557 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2558
2559 let selector = connection.model_selector(&session_id).unwrap();
2560 cx.update(|cx| selector.select_model(acp::ModelId::new("fake-corp/custom-model-id"), cx))
2561 .await
2562 .unwrap();
2563
2564 let thread = agent.read_with(cx, |agent, _| {
2565 agent.sessions.get(&session_id).unwrap().thread.clone()
2566 });
2567 thread.read_with(cx, |thread, _| {
2568 assert_eq!(
2569 thread.model().unwrap().id().0.as_ref(),
2570 "custom-model-id",
2571 "model should be set before persisting"
2572 );
2573 });
2574
2575 // Send a message so the thread gets persisted.
2576 let send = acp_thread.update(cx, |thread, cx| thread.send(vec!["Hello".into()], cx));
2577 let send = cx.foreground_executor().spawn(send);
2578 cx.run_until_parked();
2579
2580 model.send_last_completion_stream_text_chunk("Response.");
2581 model.end_last_completion_stream();
2582
2583 send.await.unwrap();
2584 cx.run_until_parked();
2585
2586 // Close the session so it can be reloaded from disk.
2587 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2588 .await
2589 .unwrap();
2590 drop(thread);
2591 drop(acp_thread);
2592 agent.read_with(cx, |agent, _| {
2593 assert!(agent.sessions.is_empty());
2594 });
2595
2596 // Reload the thread and verify the model was preserved.
2597 let reloaded_acp_thread = agent
2598 .update(cx, |agent, cx| {
2599 agent.open_thread(session_id.clone(), project.clone(), cx)
2600 })
2601 .await
2602 .unwrap();
2603 let reloaded_thread = agent.read_with(cx, |agent, _| {
2604 agent.sessions.get(&session_id).unwrap().thread.clone()
2605 });
2606 reloaded_thread.read_with(cx, |thread, _| {
2607 let reloaded_model = thread
2608 .model()
2609 .expect("model should be present after reload");
2610 assert_eq!(
2611 reloaded_model.id().0.as_ref(),
2612 "custom-model-id",
2613 "reloaded thread should have the same model, not fall back to the default"
2614 );
2615 });
2616
2617 drop(reloaded_acp_thread);
2618 }
2619
2620 #[gpui::test]
2621 async fn test_save_load_thread(cx: &mut TestAppContext) {
2622 init_test(cx);
2623 let fs = FakeFs::new(cx.executor());
2624 fs.insert_tree(
2625 "/",
2626 json!({
2627 "a": {
2628 "b.md": "Lorem"
2629 }
2630 }),
2631 )
2632 .await;
2633 let project = Project::test(fs.clone(), [path!("/a").as_ref()], cx).await;
2634 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2635 let agent = cx.update(|cx| {
2636 NativeAgent::new(thread_store.clone(), Templates::new(), None, fs.clone(), cx)
2637 });
2638 let connection = Rc::new(NativeAgentConnection(agent.clone()));
2639
2640 let acp_thread = cx
2641 .update(|cx| {
2642 connection
2643 .clone()
2644 .new_session(project.clone(), Path::new(""), cx)
2645 })
2646 .await
2647 .unwrap();
2648 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
2649 let thread = agent.read_with(cx, |agent, _| {
2650 agent.sessions.get(&session_id).unwrap().thread.clone()
2651 });
2652
2653 // Ensure empty threads are not saved, even if they get mutated.
2654 let model = Arc::new(FakeLanguageModel::default());
2655 let summary_model = Arc::new(FakeLanguageModel::default());
2656 thread.update(cx, |thread, cx| {
2657 thread.set_model(model.clone(), cx);
2658 thread.set_summarization_model(Some(summary_model.clone()), cx);
2659 });
2660 cx.run_until_parked();
2661 assert_eq!(thread_entries(&thread_store, cx), vec![]);
2662
2663 let send = acp_thread.update(cx, |thread, cx| {
2664 thread.send(
2665 vec![
2666 "What does ".into(),
2667 acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
2668 "b.md",
2669 MentionUri::File {
2670 abs_path: path!("/a/b.md").into(),
2671 }
2672 .to_uri()
2673 .to_string(),
2674 )),
2675 " mean?".into(),
2676 ],
2677 cx,
2678 )
2679 });
2680 let send = cx.foreground_executor().spawn(send);
2681 cx.run_until_parked();
2682
2683 model.send_last_completion_stream_text_chunk("Lorem.");
2684 model.send_last_completion_stream_event(LanguageModelCompletionEvent::UsageUpdate(
2685 language_model::TokenUsage {
2686 input_tokens: 150,
2687 output_tokens: 75,
2688 ..Default::default()
2689 },
2690 ));
2691 model.end_last_completion_stream();
2692 cx.run_until_parked();
2693 summary_model
2694 .send_last_completion_stream_text_chunk(&format!("Explaining {}", path!("/a/b.md")));
2695 summary_model.end_last_completion_stream();
2696
2697 send.await.unwrap();
2698 let uri = MentionUri::File {
2699 abs_path: path!("/a/b.md").into(),
2700 }
2701 .to_uri();
2702 acp_thread.read_with(cx, |thread, cx| {
2703 assert_eq!(
2704 thread.to_markdown(cx),
2705 formatdoc! {"
2706 ## User
2707
2708 What does [@b.md]({uri}) mean?
2709
2710 ## Assistant
2711
2712 Lorem.
2713
2714 "}
2715 )
2716 });
2717
2718 cx.run_until_parked();
2719
2720 // Set a draft prompt with rich content blocks before saving.
2721 let draft_blocks = vec![
2722 acp::ContentBlock::Text(acp::TextContent::new("Check out ")),
2723 acp::ContentBlock::ResourceLink(acp::ResourceLink::new("b.md", uri.to_string())),
2724 acp::ContentBlock::Text(acp::TextContent::new(" please")),
2725 ];
2726 acp_thread.update(cx, |thread, _cx| {
2727 thread.set_draft_prompt(Some(draft_blocks.clone()));
2728 });
2729 thread.update(cx, |thread, _cx| {
2730 thread.set_ui_scroll_position(Some(gpui::ListOffset {
2731 item_ix: 5,
2732 offset_in_item: gpui::px(12.5),
2733 }));
2734 });
2735 thread.update(cx, |_thread, cx| cx.notify());
2736 cx.run_until_parked();
2737
2738 // Close the session so it can be reloaded from disk.
2739 cx.update(|cx| connection.clone().close_session(&session_id, cx))
2740 .await
2741 .unwrap();
2742 drop(thread);
2743 drop(acp_thread);
2744 agent.read_with(cx, |agent, _| {
2745 assert_eq!(agent.sessions.keys().cloned().collect::<Vec<_>>(), []);
2746 });
2747
2748 // Ensure the thread can be reloaded from disk.
2749 assert_eq!(
2750 thread_entries(&thread_store, cx),
2751 vec![(
2752 session_id.clone(),
2753 format!("Explaining {}", path!("/a/b.md"))
2754 )]
2755 );
2756 let acp_thread = agent
2757 .update(cx, |agent, cx| {
2758 agent.open_thread(session_id.clone(), project.clone(), cx)
2759 })
2760 .await
2761 .unwrap();
2762 acp_thread.read_with(cx, |thread, cx| {
2763 assert_eq!(
2764 thread.to_markdown(cx),
2765 formatdoc! {"
2766 ## User
2767
2768 What does [@b.md]({uri}) mean?
2769
2770 ## Assistant
2771
2772 Lorem.
2773
2774 "}
2775 )
2776 });
2777
2778 // Ensure the draft prompt with rich content blocks survived the round-trip.
2779 acp_thread.read_with(cx, |thread, _| {
2780 assert_eq!(thread.draft_prompt(), Some(draft_blocks.as_slice()));
2781 });
2782
2783 // Ensure token usage survived the round-trip.
2784 acp_thread.read_with(cx, |thread, _| {
2785 let usage = thread
2786 .token_usage()
2787 .expect("token usage should be restored after reload");
2788 assert_eq!(usage.input_tokens, 150);
2789 assert_eq!(usage.output_tokens, 75);
2790 });
2791
2792 // Ensure scroll position survived the round-trip.
2793 acp_thread.read_with(cx, |thread, _| {
2794 let scroll = thread
2795 .ui_scroll_position()
2796 .expect("scroll position should be restored after reload");
2797 assert_eq!(scroll.item_ix, 5);
2798 assert_eq!(scroll.offset_in_item, gpui::px(12.5));
2799 });
2800 }
2801
2802 fn thread_entries(
2803 thread_store: &Entity<ThreadStore>,
2804 cx: &mut TestAppContext,
2805 ) -> Vec<(acp::SessionId, String)> {
2806 thread_store.read_with(cx, |store, _| {
2807 store
2808 .entries()
2809 .map(|entry| (entry.id.clone(), entry.title.to_string()))
2810 .collect::<Vec<_>>()
2811 })
2812 }
2813
2814 fn init_test(cx: &mut TestAppContext) {
2815 env_logger::try_init().ok();
2816 cx.update(|cx| {
2817 let settings_store = SettingsStore::test(cx);
2818 cx.set_global(settings_store);
2819
2820 LanguageModelRegistry::test(cx);
2821 });
2822 }
2823}
2824
2825fn mcp_message_content_to_acp_content_block(
2826 content: context_server::types::MessageContent,
2827) -> acp::ContentBlock {
2828 match content {
2829 context_server::types::MessageContent::Text {
2830 text,
2831 annotations: _,
2832 } => text.into(),
2833 context_server::types::MessageContent::Image {
2834 data,
2835 mime_type,
2836 annotations: _,
2837 } => acp::ContentBlock::Image(acp::ImageContent::new(data, mime_type)),
2838 context_server::types::MessageContent::Audio {
2839 data,
2840 mime_type,
2841 annotations: _,
2842 } => acp::ContentBlock::Audio(acp::AudioContent::new(data, mime_type)),
2843 context_server::types::MessageContent::Resource {
2844 resource,
2845 annotations: _,
2846 } => {
2847 let mut link =
2848 acp::ResourceLink::new(resource.uri.to_string(), resource.uri.to_string());
2849 if let Some(mime_type) = resource.mime_type {
2850 link = link.mime_type(mime_type);
2851 }
2852 acp::ContentBlock::ResourceLink(link)
2853 }
2854 }
2855}