1use crate::native_agent_server::NATIVE_AGENT_SERVER_NAME;
2use crate::{
3 ContextServerRegistry, CopyPathTool, CreateDirectoryTool, DeletePathTool, DiagnosticsTool,
4 EditFileTool, FetchTool, FindPathTool, GrepTool, ListDirectoryTool, MovePathTool, NowTool,
5 OpenTool, ReadFileTool, TerminalTool, ThinkingTool, Thread, ThreadEvent, ToolCallAuthorization,
6 UserMessageContent, WebSearchTool, templates::Templates,
7};
8use crate::{ThreadsDatabase, generate_session_id};
9use acp_thread::{AcpThread, AcpThreadMetadata, AgentModelSelector};
10use agent_client_protocol as acp;
11use agent_settings::AgentSettings;
12use anyhow::{Context as _, Result, anyhow};
13use collections::{HashSet, IndexMap};
14use fs::Fs;
15use futures::channel::mpsc;
16use futures::{StreamExt, future};
17use gpui::{
18 App, AppContext, AsyncApp, Context, Entity, SharedString, Subscription, Task, WeakEntity,
19};
20use language_model::{LanguageModel, LanguageModelProvider, LanguageModelRegistry, SelectedModel};
21use project::{Project, ProjectItem, ProjectPath, Worktree};
22use prompt_store::{
23 ProjectContext, PromptId, PromptStore, RulesFileContext, UserRulesContext, WorktreeContext,
24};
25use settings::update_settings_file;
26use std::any::Any;
27use std::cell::RefCell;
28use std::collections::HashMap;
29use std::path::Path;
30use std::rc::Rc;
31use std::sync::Arc;
32use std::time::Duration;
33use util::ResultExt;
34
35const RULES_FILE_NAMES: [&'static str; 9] = [
36 ".rules",
37 ".cursorrules",
38 ".windsurfrules",
39 ".clinerules",
40 ".github/copilot-instructions.md",
41 "CLAUDE.md",
42 "AGENT.md",
43 "AGENTS.md",
44 "GEMINI.md",
45];
46
47const SAVE_THREAD_DEBOUNCE: Duration = Duration::from_millis(500);
48
49pub struct RulesLoadingError {
50 pub message: SharedString,
51}
52
53/// Holds both the internal Thread and the AcpThread for a session
54struct Session {
55 /// The internal thread that processes messages
56 thread: Entity<Thread>,
57 /// The ACP thread that handles protocol communication
58 acp_thread: WeakEntity<acp_thread::AcpThread>,
59 save_task: Task<Result<()>>,
60 _subscriptions: Vec<Subscription>,
61}
62
63pub struct LanguageModels {
64 /// Access language model by ID
65 models: HashMap<acp_thread::AgentModelId, Arc<dyn LanguageModel>>,
66 /// Cached list for returning language model information
67 model_list: acp_thread::AgentModelList,
68 refresh_models_rx: watch::Receiver<()>,
69 refresh_models_tx: watch::Sender<()>,
70}
71
72impl LanguageModels {
73 fn new(cx: &App) -> Self {
74 let (refresh_models_tx, refresh_models_rx) = watch::channel(());
75 let mut this = Self {
76 models: HashMap::default(),
77 model_list: acp_thread::AgentModelList::Grouped(IndexMap::default()),
78 refresh_models_rx,
79 refresh_models_tx,
80 };
81 this.refresh_list(cx);
82 this
83 }
84
85 fn refresh_list(&mut self, cx: &App) {
86 let providers = LanguageModelRegistry::global(cx)
87 .read(cx)
88 .providers()
89 .into_iter()
90 .filter(|provider| provider.is_authenticated(cx))
91 .collect::<Vec<_>>();
92
93 let mut language_model_list = IndexMap::default();
94 let mut recommended_models = HashSet::default();
95
96 let mut recommended = Vec::new();
97 for provider in &providers {
98 for model in provider.recommended_models(cx) {
99 recommended_models.insert(model.id());
100 recommended.push(Self::map_language_model_to_info(&model, &provider));
101 }
102 }
103 if !recommended.is_empty() {
104 language_model_list.insert(
105 acp_thread::AgentModelGroupName("Recommended".into()),
106 recommended,
107 );
108 }
109
110 let mut models = HashMap::default();
111 for provider in providers {
112 let mut provider_models = Vec::new();
113 for model in provider.provided_models(cx) {
114 let model_info = Self::map_language_model_to_info(&model, &provider);
115 let model_id = model_info.id.clone();
116 if !recommended_models.contains(&model.id()) {
117 provider_models.push(model_info);
118 }
119 models.insert(model_id, model);
120 }
121 if !provider_models.is_empty() {
122 language_model_list.insert(
123 acp_thread::AgentModelGroupName(provider.name().0.clone()),
124 provider_models,
125 );
126 }
127 }
128
129 self.models = models;
130 self.model_list = acp_thread::AgentModelList::Grouped(language_model_list);
131 self.refresh_models_tx.send(()).ok();
132 }
133
134 fn watch(&self) -> watch::Receiver<()> {
135 self.refresh_models_rx.clone()
136 }
137
138 pub fn model_from_id(
139 &self,
140 model_id: &acp_thread::AgentModelId,
141 ) -> Option<Arc<dyn LanguageModel>> {
142 dbg!(&self.models.len());
143 self.models.get(model_id).cloned()
144 }
145
146 fn map_language_model_to_info(
147 model: &Arc<dyn LanguageModel>,
148 provider: &Arc<dyn LanguageModelProvider>,
149 ) -> acp_thread::AgentModelInfo {
150 acp_thread::AgentModelInfo {
151 id: Self::model_id(model),
152 name: model.name().0,
153 icon: Some(provider.icon()),
154 }
155 }
156
157 fn model_id(model: &Arc<dyn LanguageModel>) -> acp_thread::AgentModelId {
158 acp_thread::AgentModelId(format!("{}/{}", model.provider_id().0, model.id().0).into())
159 }
160}
161
162pub struct NativeAgent {
163 /// Session ID -> Session mapping
164 sessions: HashMap<acp::SessionId, Session>,
165 /// Shared project context for all threads
166 project_context: Rc<RefCell<ProjectContext>>,
167 project_context_needs_refresh: watch::Sender<()>,
168 _maintain_project_context: Task<Result<()>>,
169 context_server_registry: Entity<ContextServerRegistry>,
170 /// Shared templates for all threads
171 templates: Arc<Templates>,
172 /// Cached model information
173 models: LanguageModels,
174 project: Entity<Project>,
175 prompt_store: Option<Entity<PromptStore>>,
176 thread_database: Arc<ThreadsDatabase>,
177 history: watch::Sender<Option<Vec<AcpThreadMetadata>>>,
178 load_history: Task<()>,
179 fs: Arc<dyn Fs>,
180 _subscriptions: Vec<Subscription>,
181}
182
183impl NativeAgent {
184 pub async fn new(
185 project: Entity<Project>,
186 templates: Arc<Templates>,
187 prompt_store: Option<Entity<PromptStore>>,
188 fs: Arc<dyn Fs>,
189 cx: &mut AsyncApp,
190 ) -> Result<Entity<NativeAgent>> {
191 log::info!("Creating new NativeAgent");
192
193 let project_context = cx
194 .update(|cx| Self::build_project_context(&project, prompt_store.as_ref(), cx))?
195 .await;
196
197 let thread_database = cx
198 .update(|cx| ThreadsDatabase::connect(cx))?
199 .await
200 .map_err(|e| anyhow!(e))?;
201
202 cx.new(|cx| {
203 let mut subscriptions = vec![
204 cx.subscribe(&project, Self::handle_project_event),
205 cx.subscribe(
206 &LanguageModelRegistry::global(cx),
207 Self::handle_models_updated_event,
208 ),
209 ];
210 if let Some(prompt_store) = prompt_store.as_ref() {
211 subscriptions.push(cx.subscribe(prompt_store, Self::handle_prompts_updated_event))
212 }
213
214 let (project_context_needs_refresh_tx, project_context_needs_refresh_rx) =
215 watch::channel(());
216 let mut this = Self {
217 sessions: HashMap::new(),
218 project_context: Rc::new(RefCell::new(project_context)),
219 project_context_needs_refresh: project_context_needs_refresh_tx,
220 _maintain_project_context: cx.spawn(async move |this, cx| {
221 Self::maintain_project_context(this, project_context_needs_refresh_rx, cx).await
222 }),
223 context_server_registry: cx.new(|cx| {
224 ContextServerRegistry::new(project.read(cx).context_server_store(), cx)
225 }),
226 thread_database,
227 templates,
228 models: LanguageModels::new(cx),
229 project,
230 prompt_store,
231 fs,
232 history: watch::channel(None).0,
233 load_history: Task::ready(()),
234 _subscriptions: subscriptions,
235 };
236 this.reload_history(cx);
237 this
238 })
239 }
240
241 pub fn insert_session(
242 &mut self,
243 thread: Entity<Thread>,
244 acp_thread: Entity<AcpThread>,
245 cx: &mut Context<Self>,
246 ) {
247 let id = thread.read(cx).id().clone();
248 self.sessions.insert(
249 id,
250 Session {
251 thread: thread.clone(),
252 acp_thread: acp_thread.downgrade(),
253 save_task: Task::ready(Ok(())),
254 _subscriptions: vec![
255 cx.observe_release(&acp_thread, |this, acp_thread, _cx| {
256 this.sessions.remove(acp_thread.session_id());
257 }),
258 cx.observe(&thread, |this, thread, cx| {
259 thread.update(cx, |thread, cx| {
260 thread.generate_title_if_needed(cx);
261 });
262 this.save_thread(thread.clone(), cx)
263 }),
264 ],
265 },
266 );
267 }
268
269 fn save_thread(&mut self, thread_handle: Entity<Thread>, cx: &mut Context<Self>) {
270 let thread = thread_handle.read(cx);
271 let id = thread.id().clone();
272 let Some(session) = self.sessions.get_mut(&id) else {
273 return;
274 };
275
276 let thread = thread_handle.downgrade();
277 let thread_database = self.thread_database.clone();
278 session.save_task = cx.spawn(async move |this, cx| {
279 cx.background_executor().timer(SAVE_THREAD_DEBOUNCE).await;
280 let db_thread = thread.update(cx, |thread, cx| thread.to_db(cx))?.await;
281 thread_database.save_thread(id, db_thread).await?;
282 this.update(cx, |this, cx| this.reload_history(cx))?;
283 Ok(())
284 });
285 }
286
287 fn reload_history(&mut self, cx: &mut Context<Self>) {
288 let thread_database = self.thread_database.clone();
289 self.load_history = cx.spawn(async move |this, cx| {
290 let results = cx
291 .background_spawn(async move {
292 let results = thread_database.list_threads().await?;
293 anyhow::Ok(
294 results
295 .into_iter()
296 .map(|thread| AcpThreadMetadata {
297 agent: NATIVE_AGENT_SERVER_NAME.clone(),
298 id: thread.id.into(),
299 title: thread.title,
300 updated_at: thread.updated_at,
301 })
302 .collect(),
303 )
304 })
305 .await;
306 if let Some(results) = results.log_err() {
307 this.update(cx, |this, _| this.history.send(Some(results)))
308 .ok();
309 }
310 });
311 }
312
313 pub fn models(&self) -> &LanguageModels {
314 &self.models
315 }
316
317 async fn maintain_project_context(
318 this: WeakEntity<Self>,
319 mut needs_refresh: watch::Receiver<()>,
320 cx: &mut AsyncApp,
321 ) -> Result<()> {
322 while needs_refresh.changed().await.is_ok() {
323 let project_context = this
324 .update(cx, |this, cx| {
325 Self::build_project_context(&this.project, this.prompt_store.as_ref(), cx)
326 })?
327 .await;
328 this.update(cx, |this, _| this.project_context.replace(project_context))?;
329 }
330
331 Ok(())
332 }
333
334 fn build_project_context(
335 project: &Entity<Project>,
336 prompt_store: Option<&Entity<PromptStore>>,
337 cx: &mut App,
338 ) -> Task<ProjectContext> {
339 let worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
340 let worktree_tasks = worktrees
341 .into_iter()
342 .map(|worktree| {
343 Self::load_worktree_info_for_system_prompt(worktree, project.clone(), cx)
344 })
345 .collect::<Vec<_>>();
346 let default_user_rules_task = if let Some(prompt_store) = prompt_store.as_ref() {
347 prompt_store.read_with(cx, |prompt_store, cx| {
348 let prompts = prompt_store.default_prompt_metadata();
349 let load_tasks = prompts.into_iter().map(|prompt_metadata| {
350 let contents = prompt_store.load(prompt_metadata.id, cx);
351 async move { (contents.await, prompt_metadata) }
352 });
353 cx.background_spawn(future::join_all(load_tasks))
354 })
355 } else {
356 Task::ready(vec![])
357 };
358
359 cx.spawn(async move |_cx| {
360 let (worktrees, default_user_rules) =
361 future::join(future::join_all(worktree_tasks), default_user_rules_task).await;
362
363 let worktrees = worktrees
364 .into_iter()
365 .map(|(worktree, _rules_error)| {
366 // TODO: show error message
367 // if let Some(rules_error) = rules_error {
368 // this.update(cx, |_, cx| cx.emit(rules_error)).ok();
369 // }
370 worktree
371 })
372 .collect::<Vec<_>>();
373
374 let default_user_rules = default_user_rules
375 .into_iter()
376 .flat_map(|(contents, prompt_metadata)| match contents {
377 Ok(contents) => Some(UserRulesContext {
378 uuid: match prompt_metadata.id {
379 PromptId::User { uuid } => uuid,
380 PromptId::EditWorkflow => return None,
381 },
382 title: prompt_metadata.title.map(|title| title.to_string()),
383 contents,
384 }),
385 Err(_err) => {
386 // TODO: show error message
387 // this.update(cx, |_, cx| {
388 // cx.emit(RulesLoadingError {
389 // message: format!("{err:?}").into(),
390 // });
391 // })
392 // .ok();
393 None
394 }
395 })
396 .collect::<Vec<_>>();
397
398 ProjectContext::new(worktrees, default_user_rules)
399 })
400 }
401
402 fn load_worktree_info_for_system_prompt(
403 worktree: Entity<Worktree>,
404 project: Entity<Project>,
405 cx: &mut App,
406 ) -> Task<(WorktreeContext, Option<RulesLoadingError>)> {
407 let tree = worktree.read(cx);
408 let root_name = tree.root_name().into();
409 let abs_path = tree.abs_path();
410
411 let mut context = WorktreeContext {
412 root_name,
413 abs_path,
414 rules_file: None,
415 };
416
417 let rules_task = Self::load_worktree_rules_file(worktree, project, cx);
418 let Some(rules_task) = rules_task else {
419 return Task::ready((context, None));
420 };
421
422 cx.spawn(async move |_| {
423 let (rules_file, rules_file_error) = match rules_task.await {
424 Ok(rules_file) => (Some(rules_file), None),
425 Err(err) => (
426 None,
427 Some(RulesLoadingError {
428 message: format!("{err}").into(),
429 }),
430 ),
431 };
432 context.rules_file = rules_file;
433 (context, rules_file_error)
434 })
435 }
436
437 fn load_worktree_rules_file(
438 worktree: Entity<Worktree>,
439 project: Entity<Project>,
440 cx: &mut App,
441 ) -> Option<Task<Result<RulesFileContext>>> {
442 let worktree = worktree.read(cx);
443 let worktree_id = worktree.id();
444 let selected_rules_file = RULES_FILE_NAMES
445 .into_iter()
446 .filter_map(|name| {
447 worktree
448 .entry_for_path(name)
449 .filter(|entry| entry.is_file())
450 .map(|entry| entry.path.clone())
451 })
452 .next();
453
454 // Note that Cline supports `.clinerules` being a directory, but that is not currently
455 // supported. This doesn't seem to occur often in GitHub repositories.
456 selected_rules_file.map(|path_in_worktree| {
457 let project_path = ProjectPath {
458 worktree_id,
459 path: path_in_worktree.clone(),
460 };
461 let buffer_task =
462 project.update(cx, |project, cx| project.open_buffer(project_path, cx));
463 let rope_task = cx.spawn(async move |cx| {
464 buffer_task.await?.read_with(cx, |buffer, cx| {
465 let project_entry_id = buffer.entry_id(cx).context("buffer has no file")?;
466 anyhow::Ok((project_entry_id, buffer.as_rope().clone()))
467 })?
468 });
469 // Build a string from the rope on a background thread.
470 cx.background_spawn(async move {
471 let (project_entry_id, rope) = rope_task.await?;
472 anyhow::Ok(RulesFileContext {
473 path_in_worktree,
474 text: rope.to_string().trim().to_string(),
475 project_entry_id: project_entry_id.to_usize(),
476 })
477 })
478 })
479 }
480
481 fn handle_project_event(
482 &mut self,
483 _project: Entity<Project>,
484 event: &project::Event,
485 _cx: &mut Context<Self>,
486 ) {
487 match event {
488 project::Event::WorktreeAdded(_) | project::Event::WorktreeRemoved(_) => {
489 self.project_context_needs_refresh.send(()).ok();
490 }
491 project::Event::WorktreeUpdatedEntries(_, items) => {
492 if items.iter().any(|(path, _, _)| {
493 RULES_FILE_NAMES
494 .iter()
495 .any(|name| path.as_ref() == Path::new(name))
496 }) {
497 self.project_context_needs_refresh.send(()).ok();
498 }
499 }
500 _ => {}
501 }
502 }
503
504 fn handle_prompts_updated_event(
505 &mut self,
506 _prompt_store: Entity<PromptStore>,
507 _event: &prompt_store::PromptsUpdatedEvent,
508 _cx: &mut Context<Self>,
509 ) {
510 self.project_context_needs_refresh.send(()).ok();
511 }
512
513 fn handle_models_updated_event(
514 &mut self,
515 registry: Entity<LanguageModelRegistry>,
516 _event: &language_model::Event,
517 cx: &mut Context<Self>,
518 ) {
519 self.models.refresh_list(cx);
520
521 let default_model = LanguageModelRegistry::read_global(cx)
522 .default_model()
523 .map(|m| m.model.clone());
524
525 for session in self.sessions.values_mut() {
526 session.thread.update(cx, |thread, cx| {
527 if thread.model().is_none()
528 && let Some(model) = default_model.clone()
529 {
530 thread.set_model(model);
531 cx.notify();
532 }
533 let summarization_model = registry
534 .read(cx)
535 .thread_summary_model()
536 .map(|model| model.model.clone());
537 thread.set_summarization_model(summarization_model, cx);
538 });
539 }
540 }
541}
542
543/// Wrapper struct that implements the AgentConnection trait
544#[derive(Clone)]
545pub struct NativeAgentConnection(pub Entity<NativeAgent>);
546
547impl NativeAgentConnection {
548 pub fn thread(&self, session_id: &acp::SessionId, cx: &App) -> Option<Entity<Thread>> {
549 self.0
550 .read(cx)
551 .sessions
552 .get(session_id)
553 .map(|session| session.thread.clone())
554 }
555
556 fn run_turn(
557 &self,
558 session_id: acp::SessionId,
559 cx: &mut App,
560 f: impl 'static
561 + FnOnce(Entity<Thread>, &mut App) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>,
562 ) -> Task<Result<acp::PromptResponse>> {
563 let Some((thread, acp_thread)) = self.0.update(cx, |agent, _cx| {
564 agent
565 .sessions
566 .get_mut(&session_id)
567 .map(|s| (s.thread.clone(), s.acp_thread.clone()))
568 }) else {
569 return Task::ready(Err(anyhow!("Session not found")));
570 };
571 log::debug!("Found session for: {}", session_id);
572
573 let response_stream = match f(thread, cx) {
574 Ok(stream) => stream,
575 Err(err) => return Task::ready(Err(err)),
576 };
577 Self::handle_thread_events(response_stream, acp_thread, cx)
578 }
579
580 fn handle_thread_events(
581 mut response_stream: mpsc::UnboundedReceiver<Result<ThreadEvent>>,
582 acp_thread: WeakEntity<AcpThread>,
583 cx: &mut App,
584 ) -> Task<Result<acp::PromptResponse>> {
585 cx.spawn(async move |cx| {
586 // Handle response stream and forward to session.acp_thread
587 while let Some(result) = response_stream.next().await {
588 match result {
589 Ok(event) => {
590 log::trace!("Received completion event: {:?}", event);
591
592 match event {
593 ThreadEvent::UserMessage(message) => {
594 acp_thread.update(cx, |thread, cx| {
595 for content in message.content {
596 thread.push_user_content_block(
597 Some(message.id.clone()),
598 content.into(),
599 cx,
600 );
601 }
602 })?;
603 }
604 ThreadEvent::AgentText(text) => {
605 acp_thread.update(cx, |thread, cx| {
606 thread.push_assistant_content_block(
607 acp::ContentBlock::Text(acp::TextContent {
608 text,
609 annotations: None,
610 }),
611 false,
612 cx,
613 )
614 })?;
615 }
616 ThreadEvent::AgentThinking(text) => {
617 acp_thread.update(cx, |thread, cx| {
618 thread.push_assistant_content_block(
619 acp::ContentBlock::Text(acp::TextContent {
620 text,
621 annotations: None,
622 }),
623 true,
624 cx,
625 )
626 })?;
627 }
628 ThreadEvent::ToolCallAuthorization(ToolCallAuthorization {
629 tool_call,
630 options,
631 response,
632 }) => {
633 let recv = acp_thread.update(cx, |thread, cx| {
634 thread.request_tool_call_authorization(tool_call, options, cx)
635 })?;
636 cx.background_spawn(async move {
637 if let Some(recv) = recv.log_err()
638 && let Some(option) = recv
639 .await
640 .context("authorization sender was dropped")
641 .log_err()
642 {
643 response
644 .send(option)
645 .map(|_| anyhow!("authorization receiver was dropped"))
646 .log_err();
647 }
648 })
649 .detach();
650 }
651 ThreadEvent::ToolCall(tool_call) => {
652 acp_thread.update(cx, |thread, cx| {
653 thread.upsert_tool_call(tool_call, cx)
654 })??;
655 }
656 ThreadEvent::ToolCallUpdate(update) => {
657 acp_thread.update(cx, |thread, cx| {
658 thread.update_tool_call(update, cx)
659 })??;
660 }
661 ThreadEvent::TitleUpdate(title) => {
662 acp_thread
663 .update(cx, |thread, cx| thread.update_title(title, cx))??;
664 }
665 ThreadEvent::Stop(stop_reason) => {
666 log::debug!("Assistant message complete: {:?}", stop_reason);
667 return Ok(acp::PromptResponse { stop_reason });
668 }
669 }
670 }
671 Err(e) => {
672 log::error!("Error in model response stream: {:?}", e);
673 return Err(e);
674 }
675 }
676 }
677
678 log::info!("Response stream completed");
679 anyhow::Ok(acp::PromptResponse {
680 stop_reason: acp::StopReason::EndTurn,
681 })
682 })
683 }
684
685 fn register_tools(
686 thread: &mut Thread,
687 project: Entity<Project>,
688 action_log: Entity<action_log::ActionLog>,
689 cx: &mut Context<Thread>,
690 ) {
691 let language_registry = project.read(cx).languages().clone();
692 thread.add_tool(CopyPathTool::new(project.clone()));
693 thread.add_tool(CreateDirectoryTool::new(project.clone()));
694 thread.add_tool(DeletePathTool::new(project.clone(), action_log.clone()));
695 thread.add_tool(DiagnosticsTool::new(project.clone()));
696 thread.add_tool(EditFileTool::new(cx.weak_entity(), language_registry));
697 thread.add_tool(FetchTool::new(project.read(cx).client().http_client()));
698 thread.add_tool(FindPathTool::new(project.clone()));
699 thread.add_tool(GrepTool::new(project.clone()));
700 thread.add_tool(ListDirectoryTool::new(project.clone()));
701 thread.add_tool(MovePathTool::new(project.clone()));
702 thread.add_tool(NowTool);
703 thread.add_tool(OpenTool::new(project.clone()));
704 thread.add_tool(ReadFileTool::new(project.clone(), action_log));
705 thread.add_tool(TerminalTool::new(project.clone(), cx));
706 thread.add_tool(ThinkingTool);
707 thread.add_tool(WebSearchTool); // TODO: Enable this only if it's a zed model.
708 }
709}
710
711impl AgentModelSelector for NativeAgentConnection {
712 fn list_models(&self, cx: &mut App) -> Task<Result<acp_thread::AgentModelList>> {
713 log::debug!("NativeAgentConnection::list_models called");
714 let list = self.0.read(cx).models.model_list.clone();
715 Task::ready(if list.is_empty() {
716 Err(anyhow::anyhow!("No models available"))
717 } else {
718 Ok(list)
719 })
720 }
721
722 fn select_model(
723 &self,
724 session_id: acp::SessionId,
725 model_id: acp_thread::AgentModelId,
726 cx: &mut App,
727 ) -> Task<Result<()>> {
728 log::info!("Setting model for session {}: {}", session_id, model_id);
729 let Some(thread) = self
730 .0
731 .read(cx)
732 .sessions
733 .get(&session_id)
734 .map(|session| session.thread.clone())
735 else {
736 return Task::ready(Err(anyhow!("Session not found")));
737 };
738
739 let Some(model) = self.0.read(cx).models.model_from_id(&model_id) else {
740 return Task::ready(Err(anyhow!("Invalid model ID {}", model_id)));
741 };
742
743 thread.update(cx, |thread, cx| {
744 thread.set_model(model.clone(), cx);
745 });
746
747 update_settings_file::<AgentSettings>(
748 self.0.read(cx).fs.clone(),
749 cx,
750 move |settings, _cx| {
751 settings.set_model(model);
752 },
753 );
754
755 Task::ready(Ok(()))
756 }
757
758 fn selected_model(
759 &self,
760 session_id: &acp::SessionId,
761 cx: &mut App,
762 ) -> Task<Result<acp_thread::AgentModelInfo>> {
763 let session_id = session_id.clone();
764
765 let Some(thread) = self
766 .0
767 .read(cx)
768 .sessions
769 .get(&session_id)
770 .map(|session| session.thread.clone())
771 else {
772 return Task::ready(Err(anyhow!("Session not found")));
773 };
774 let Some(model) = thread.read(cx).model() else {
775 return Task::ready(Err(anyhow!("Model not found")));
776 };
777 let Some(provider) = LanguageModelRegistry::read_global(cx).provider(&model.provider_id())
778 else {
779 return Task::ready(Err(anyhow!("Provider not found")));
780 };
781 Task::ready(Ok(LanguageModels::map_language_model_to_info(
782 model, &provider,
783 )))
784 }
785
786 fn watch(&self, cx: &mut App) -> watch::Receiver<()> {
787 self.0.read(cx).models.watch()
788 }
789}
790
791impl acp_thread::AgentConnection for NativeAgentConnection {
792 fn new_thread(
793 self: Rc<Self>,
794 project: Entity<Project>,
795 cwd: &Path,
796 cx: &mut App,
797 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
798 let agent = self.0.clone();
799 log::info!("Creating new thread for project at: {:?}", cwd);
800
801 cx.spawn(async move |cx| {
802 log::debug!("Starting thread creation in async context");
803
804 // Generate session ID
805 let session_id = generate_session_id();
806 log::info!("Created session with ID: {}", session_id);
807
808 // Create AcpThread
809 let acp_thread = cx.update(|cx| {
810 cx.new(|cx| {
811 acp_thread::AcpThread::new(
812 "agent2",
813 self.clone(),
814 project.clone(),
815 session_id.clone(),
816 cx,
817 )
818 })
819 })?;
820 let action_log = cx.update(|cx| acp_thread.read(cx).action_log().clone())?;
821
822 // Create Thread
823 let thread = agent.update(
824 cx,
825 |agent, cx: &mut gpui::Context<NativeAgent>| -> Result<_> {
826 // Fetch default model from registry settings
827 let registry = LanguageModelRegistry::read_global(cx);
828
829 // Log available models for debugging
830 let available_count = registry.available_models(cx).count();
831 log::debug!("Total available models: {}", available_count);
832
833 let default_model = registry.default_model().and_then(|default_model| {
834 agent
835 .models
836 .model_from_id(&LanguageModels::model_id(&default_model.model))
837 });
838
839 let summarization_model = registry.thread_summary_model().map(|c| c.model);
840
841 let thread = cx.new(|cx| {
842 let mut thread = Thread::new(
843 session_id.clone(),
844 project.clone(),
845 agent.project_context.clone(),
846 agent.context_server_registry.clone(),
847 action_log.clone(),
848 agent.templates.clone(),
849 default_model,
850 summarization_model,
851 cx,
852 );
853 Self::register_tools(&mut thread, project, action_log, cx);
854 thread
855 });
856
857 Ok(thread)
858 },
859 )??;
860
861 // Store the session
862 agent.update(cx, |agent, cx| {
863 agent.insert_session(thread, acp_thread.clone(), cx)
864 })?;
865
866 Ok(acp_thread)
867 })
868 }
869
870 fn auth_methods(&self) -> &[acp::AuthMethod] {
871 &[] // No auth for in-process
872 }
873
874 fn authenticate(&self, _method: acp::AuthMethodId, _cx: &mut App) -> Task<Result<()>> {
875 Task::ready(Ok(()))
876 }
877
878 fn list_threads(
879 &self,
880 cx: &mut App,
881 ) -> Option<watch::Receiver<Option<Vec<AcpThreadMetadata>>>> {
882 Some(self.0.read(cx).history.receiver())
883 }
884
885 fn load_thread(
886 self: Rc<Self>,
887 project: Entity<Project>,
888 _cwd: &Path,
889 session_id: acp::SessionId,
890 cx: &mut App,
891 ) -> Task<Result<Entity<acp_thread::AcpThread>>> {
892 let database = self.0.update(cx, |this, _| this.thread_database.clone());
893 cx.spawn(async move |cx| {
894 let db_thread = database
895 .load_thread(session_id.clone())
896 .await?
897 .context("no such thread found")?;
898
899 let acp_thread = cx.update(|cx| {
900 cx.new(|cx| {
901 acp_thread::AcpThread::new(
902 db_thread.title.clone(),
903 self.clone(),
904 project.clone(),
905 session_id.clone(),
906 cx,
907 )
908 })
909 })?;
910 let action_log = cx.update(|cx| acp_thread.read(cx).action_log().clone())?;
911 let agent = self.0.clone();
912
913 // Create Thread
914 let thread = agent.update(cx, |agent, cx| {
915 let language_model_registry = LanguageModelRegistry::global(cx);
916 let configured_model = language_model_registry
917 .update(cx, |registry, cx| {
918 db_thread
919 .model
920 .as_ref()
921 .and_then(|model| {
922 let model = SelectedModel {
923 provider: model.provider.clone().into(),
924 model: model.model.clone().into(),
925 };
926 registry.select_model(&model, cx)
927 })
928 .or_else(|| registry.default_model())
929 })
930 .context("no default model configured")?;
931
932 let model = agent
933 .models
934 .model_from_id(&LanguageModels::model_id(&configured_model.model))
935 .context("no model by id")?;
936
937 let summarization_model = language_model_registry
938 .read(cx)
939 .thread_summary_model()
940 .map(|c| c.model);
941
942 let thread = cx.new(|cx| {
943 let mut thread = Thread::from_db(
944 session_id,
945 db_thread,
946 project.clone(),
947 agent.project_context.clone(),
948 agent.context_server_registry.clone(),
949 action_log.clone(),
950 agent.templates.clone(),
951 model,
952 summarization_model,
953 cx,
954 );
955 Self::register_tools(&mut thread, project, action_log, cx);
956 thread
957 });
958
959 anyhow::Ok(thread)
960 })??;
961
962 // Store the session
963 agent.update(cx, |agent, cx| {
964 agent.insert_session(thread.clone(), acp_thread.clone(), cx)
965 })?;
966
967 let events = thread.update(cx, |thread, cx| thread.replay(cx))?;
968 cx.update(|cx| Self::handle_thread_events(events, acp_thread.downgrade(), cx))?
969 .await?;
970
971 Ok(acp_thread)
972 })
973 }
974
975 fn model_selector(&self) -> Option<Rc<dyn AgentModelSelector>> {
976 Some(Rc::new(self.clone()) as Rc<dyn AgentModelSelector>)
977 }
978
979 fn prompt(
980 &self,
981 id: Option<acp_thread::UserMessageId>,
982 params: acp::PromptRequest,
983 cx: &mut App,
984 ) -> Task<Result<acp::PromptResponse>> {
985 let id = id.expect("UserMessageId is required");
986 let session_id = params.session_id.clone();
987 log::info!("Received prompt request for session: {}", session_id);
988 log::debug!("Prompt blocks count: {}", params.prompt.len());
989
990 self.run_turn(session_id, cx, |thread, cx| {
991 let content: Vec<UserMessageContent> = params
992 .prompt
993 .into_iter()
994 .map(Into::into)
995 .collect::<Vec<_>>();
996 log::info!("Converted prompt to message: {} chars", content.len());
997 log::debug!("Message id: {:?}", id);
998 log::debug!("Message content: {:?}", content);
999
1000 thread.update(cx, |thread, cx| thread.send(id, content, cx))
1001 })
1002 }
1003
1004 fn resume(
1005 &self,
1006 session_id: &acp::SessionId,
1007 _cx: &mut App,
1008 ) -> Option<Rc<dyn acp_thread::AgentSessionResume>> {
1009 Some(Rc::new(NativeAgentSessionResume {
1010 connection: self.clone(),
1011 session_id: session_id.clone(),
1012 }) as _)
1013 }
1014
1015 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App) {
1016 log::info!("Cancelling on session: {}", session_id);
1017 self.0.update(cx, |agent, cx| {
1018 if let Some(agent) = agent.sessions.get(session_id) {
1019 agent.thread.update(cx, |thread, cx| thread.cancel(cx));
1020 }
1021 });
1022 }
1023
1024 fn session_editor(
1025 &self,
1026 session_id: &agent_client_protocol::SessionId,
1027 cx: &mut App,
1028 ) -> Option<Rc<dyn acp_thread::AgentSessionEditor>> {
1029 self.0.update(cx, |agent, _cx| {
1030 agent
1031 .sessions
1032 .get(session_id)
1033 .map(|session| Rc::new(NativeAgentSessionEditor(session.thread.clone())) as _)
1034 })
1035 }
1036
1037 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
1038 self
1039 }
1040}
1041
1042struct NativeAgentSessionEditor(Entity<Thread>);
1043
1044impl acp_thread::AgentSessionEditor for NativeAgentSessionEditor {
1045 fn truncate(&self, message_id: acp_thread::UserMessageId, cx: &mut App) -> Task<Result<()>> {
1046 Task::ready(
1047 self.0
1048 .update(cx, |thread, cx| thread.truncate(message_id, cx)),
1049 )
1050 }
1051}
1052
1053struct NativeAgentSessionResume {
1054 connection: NativeAgentConnection,
1055 session_id: acp::SessionId,
1056}
1057
1058impl acp_thread::AgentSessionResume for NativeAgentSessionResume {
1059 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>> {
1060 self.connection
1061 .run_turn(self.session_id.clone(), cx, |thread, cx| {
1062 thread.update(cx, |thread, cx| thread.resume(cx))
1063 })
1064 }
1065}
1066
1067#[cfg(test)]
1068mod tests {
1069 use crate::HistoryStore;
1070
1071 use super::*;
1072 use acp_thread::{AgentConnection, AgentModelGroupName, AgentModelId, AgentModelInfo};
1073 use fs::FakeFs;
1074 use gpui::TestAppContext;
1075 use language_model::fake_provider::FakeLanguageModel;
1076 use serde_json::json;
1077 use settings::SettingsStore;
1078 use util::path;
1079
1080 #[gpui::test]
1081 async fn test_maintaining_project_context(cx: &mut TestAppContext) {
1082 init_test(cx);
1083 let fs = FakeFs::new(cx.executor());
1084 fs.insert_tree(
1085 "/",
1086 json!({
1087 "a": {}
1088 }),
1089 )
1090 .await;
1091 let project = Project::test(fs.clone(), [], cx).await;
1092 let agent = NativeAgent::new(
1093 project.clone(),
1094 Templates::new(),
1095 None,
1096 fs.clone(),
1097 &mut cx.to_async(),
1098 )
1099 .await
1100 .unwrap();
1101 agent.read_with(cx, |agent, _| {
1102 assert_eq!(agent.project_context.borrow().worktrees, vec![])
1103 });
1104
1105 let worktree = project
1106 .update(cx, |project, cx| project.create_worktree("/a", true, cx))
1107 .await
1108 .unwrap();
1109 cx.run_until_parked();
1110 agent.read_with(cx, |agent, _| {
1111 assert_eq!(
1112 agent.project_context.borrow().worktrees,
1113 vec![WorktreeContext {
1114 root_name: "a".into(),
1115 abs_path: Path::new("/a").into(),
1116 rules_file: None
1117 }]
1118 )
1119 });
1120
1121 // Creating `/a/.rules` updates the project context.
1122 fs.insert_file("/a/.rules", Vec::new()).await;
1123 cx.run_until_parked();
1124 agent.read_with(cx, |agent, cx| {
1125 let rules_entry = worktree.read(cx).entry_for_path(".rules").unwrap();
1126 assert_eq!(
1127 agent.project_context.borrow().worktrees,
1128 vec![WorktreeContext {
1129 root_name: "a".into(),
1130 abs_path: Path::new("/a").into(),
1131 rules_file: Some(RulesFileContext {
1132 path_in_worktree: Path::new(".rules").into(),
1133 text: "".into(),
1134 project_entry_id: rules_entry.id.to_usize()
1135 })
1136 }]
1137 )
1138 });
1139 }
1140
1141 #[gpui::test]
1142 async fn test_listing_models(cx: &mut TestAppContext) {
1143 init_test(cx);
1144 let fs = FakeFs::new(cx.executor());
1145 fs.insert_tree("/", json!({ "a": {} })).await;
1146 let project = Project::test(fs.clone(), [], cx).await;
1147 let connection = NativeAgentConnection(
1148 NativeAgent::new(
1149 project.clone(),
1150 Templates::new(),
1151 None,
1152 fs.clone(),
1153 &mut cx.to_async(),
1154 )
1155 .await
1156 .unwrap(),
1157 );
1158
1159 let models = cx.update(|cx| connection.list_models(cx)).await.unwrap();
1160
1161 let acp_thread::AgentModelList::Grouped(models) = models else {
1162 panic!("Unexpected model group");
1163 };
1164 assert_eq!(
1165 models,
1166 IndexMap::from_iter([(
1167 AgentModelGroupName("Fake".into()),
1168 vec![AgentModelInfo {
1169 id: AgentModelId("fake/fake".into()),
1170 name: "Fake".into(),
1171 icon: Some(ui::IconName::ZedAssistant),
1172 }]
1173 )])
1174 );
1175 }
1176
1177 #[gpui::test]
1178 async fn test_model_selection_persists_to_settings(cx: &mut TestAppContext) {
1179 init_test(cx);
1180 let fs = FakeFs::new(cx.executor());
1181 fs.create_dir(paths::settings_file().parent().unwrap())
1182 .await
1183 .unwrap();
1184 fs.insert_file(
1185 paths::settings_file(),
1186 json!({
1187 "agent": {
1188 "default_model": {
1189 "provider": "foo",
1190 "model": "bar"
1191 }
1192 }
1193 })
1194 .to_string()
1195 .into_bytes(),
1196 )
1197 .await;
1198 let project = Project::test(fs.clone(), [], cx).await;
1199
1200 // Create the agent and connection
1201 let agent = NativeAgent::new(
1202 project.clone(),
1203 Templates::new(),
1204 None,
1205 fs.clone(),
1206 &mut cx.to_async(),
1207 )
1208 .await
1209 .unwrap();
1210 let connection = NativeAgentConnection(agent.clone());
1211
1212 // Create a thread/session
1213 let acp_thread = cx
1214 .update(|cx| {
1215 Rc::new(connection.clone()).new_thread(project.clone(), Path::new("/a"), cx)
1216 })
1217 .await
1218 .unwrap();
1219
1220 let session_id = cx.update(|cx| acp_thread.read(cx).session_id().clone());
1221
1222 // Select a model
1223 let model_id = AgentModelId("fake/fake".into());
1224 cx.update(|cx| connection.select_model(session_id.clone(), model_id.clone(), cx))
1225 .await
1226 .unwrap();
1227
1228 // Verify the thread has the selected model
1229 agent.read_with(cx, |agent, _| {
1230 let session = agent.sessions.get(&session_id).unwrap();
1231 session.thread.read_with(cx, |thread, _| {
1232 assert_eq!(thread.model().unwrap().id().0, "fake");
1233 });
1234 });
1235
1236 cx.run_until_parked();
1237
1238 // Verify settings file was updated
1239 let settings_content = fs.load(paths::settings_file()).await.unwrap();
1240 let settings_json: serde_json::Value = serde_json::from_str(&settings_content).unwrap();
1241
1242 // Check that the agent settings contain the selected model
1243 assert_eq!(
1244 settings_json["agent"]["default_model"]["model"],
1245 json!("fake")
1246 );
1247 assert_eq!(
1248 settings_json["agent"]["default_model"]["provider"],
1249 json!("fake")
1250 );
1251 }
1252
1253 #[gpui::test]
1254 async fn test_history(cx: &mut TestAppContext) {
1255 init_test(cx);
1256 let fs = FakeFs::new(cx.executor());
1257 let project = Project::test(fs.clone(), [], cx).await;
1258
1259 let agent = NativeAgent::new(
1260 project.clone(),
1261 Templates::new(),
1262 None,
1263 fs.clone(),
1264 &mut cx.to_async(),
1265 )
1266 .await
1267 .unwrap();
1268 let connection = NativeAgentConnection(agent.clone());
1269 let history_store = cx.new(|cx| {
1270 let mut store = HistoryStore::new(cx);
1271 store.register_agent(NATIVE_AGENT_SERVER_NAME.clone(), &connection, cx);
1272 store
1273 });
1274
1275 let acp_thread = cx
1276 .update(|cx| {
1277 Rc::new(connection.clone()).new_thread(project.clone(), Path::new(path!("")), cx)
1278 })
1279 .await
1280 .unwrap();
1281 let session_id = acp_thread.read_with(cx, |thread, _| thread.session_id().clone());
1282 let selector = connection.model_selector().unwrap();
1283
1284 let summarization_model: Arc<dyn LanguageModel> =
1285 Arc::new(FakeLanguageModel::default()) as _;
1286
1287 agent.update(cx, |agent, cx| {
1288 let thread = agent.sessions.get(&session_id).unwrap().thread.clone();
1289 thread.update(cx, |thread, cx| {
1290 thread.set_summarization_model(Some(summarization_model.clone()), cx);
1291 })
1292 });
1293
1294 let model = cx
1295 .update(|cx| selector.selected_model(&session_id, cx))
1296 .await
1297 .expect("selected_model should succeed");
1298 let model = cx
1299 .update(|cx| agent.read(cx).models().model_from_id(&model.id))
1300 .unwrap();
1301 let model = model.as_fake();
1302
1303 let send = acp_thread.update(cx, |thread, cx| thread.send_raw("Hi", cx));
1304 let send = cx.foreground_executor().spawn(send);
1305 cx.run_until_parked();
1306 model.send_last_completion_stream_text_chunk("Hey");
1307 model.end_last_completion_stream();
1308 send.await.unwrap();
1309
1310 summarization_model
1311 .as_fake()
1312 .send_last_completion_stream_text_chunk("Saying Hello");
1313 summarization_model.as_fake().end_last_completion_stream();
1314 cx.executor().advance_clock(SAVE_THREAD_DEBOUNCE);
1315
1316 let history = history_store.update(cx, |store, cx| store.entries(cx));
1317 assert_eq!(history.len(), 1);
1318 assert_eq!(history[0].title(), "Saying Hello");
1319 }
1320
1321 fn init_test(cx: &mut TestAppContext) {
1322 env_logger::try_init().ok();
1323 cx.update(|cx| {
1324 let settings_store = SettingsStore::test(cx);
1325 cx.set_global(settings_store);
1326 Project::init_settings(cx);
1327 agent_settings::init(cx);
1328 language::init(cx);
1329 LanguageModelRegistry::test(cx);
1330 });
1331 }
1332}