1use crate::AcpThread;
2use agent_client_protocol::{self as acp};
3use anyhow::Result;
4use chrono::{DateTime, Utc};
5use collections::IndexMap;
6use gpui::{Entity, SharedString, Task};
7use language_model::LanguageModelProviderId;
8use project::Project;
9use serde::{Deserialize, Serialize};
10use std::{
11 any::Any,
12 error::Error,
13 fmt,
14 path::{Path, PathBuf},
15 rc::Rc,
16 sync::Arc,
17};
18use ui::{App, IconName};
19use uuid::Uuid;
20
21#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
22pub struct UserMessageId(Arc<str>);
23
24impl UserMessageId {
25 pub fn new() -> Self {
26 Self(Uuid::new_v4().to_string().into())
27 }
28}
29
30pub trait AgentConnection {
31 fn telemetry_id(&self) -> SharedString;
32
33 fn new_session(
34 self: Rc<Self>,
35 project: Entity<Project>,
36 cwd: &Path,
37 cx: &mut App,
38 ) -> Task<Result<Entity<AcpThread>>>;
39
40 /// Whether this agent supports loading existing sessions.
41 fn supports_load_session(&self, _cx: &App) -> bool {
42 false
43 }
44
45 /// Load an existing session by ID.
46 fn load_session(
47 self: Rc<Self>,
48 _session: AgentSessionInfo,
49 _project: Entity<Project>,
50 _cwd: &Path,
51 _cx: &mut App,
52 ) -> Task<Result<Entity<AcpThread>>> {
53 Task::ready(Err(anyhow::Error::msg("Loading sessions is not supported")))
54 }
55
56 /// Whether this agent supports closing existing sessions.
57 fn supports_close_session(&self, _cx: &App) -> bool {
58 false
59 }
60
61 /// Close an existing session. Allows the agent to free the session from memory.
62 fn close_session(&self, _session_id: &acp::SessionId, _cx: &mut App) -> Task<Result<()>> {
63 Task::ready(Err(anyhow::Error::msg("Closing sessions is not supported")))
64 }
65
66 /// Whether this agent supports resuming existing sessions without loading history.
67 fn supports_resume_session(&self, _cx: &App) -> bool {
68 false
69 }
70
71 /// Resume an existing session by ID without replaying previous messages.
72 fn resume_session(
73 self: Rc<Self>,
74 _session: AgentSessionInfo,
75 _project: Entity<Project>,
76 _cwd: &Path,
77 _cx: &mut App,
78 ) -> Task<Result<Entity<AcpThread>>> {
79 Task::ready(Err(anyhow::Error::msg(
80 "Resuming sessions is not supported",
81 )))
82 }
83
84 /// Whether this agent supports showing session history.
85 fn supports_session_history(&self, cx: &App) -> bool {
86 self.supports_load_session(cx) || self.supports_resume_session(cx)
87 }
88
89 fn auth_methods(&self) -> &[acp::AuthMethod];
90
91 fn authenticate(&self, method: acp::AuthMethodId, cx: &mut App) -> Task<Result<()>>;
92
93 fn prompt(
94 &self,
95 user_message_id: Option<UserMessageId>,
96 params: acp::PromptRequest,
97 cx: &mut App,
98 ) -> Task<Result<acp::PromptResponse>>;
99
100 fn retry(&self, _session_id: &acp::SessionId, _cx: &App) -> Option<Rc<dyn AgentSessionRetry>> {
101 None
102 }
103
104 fn cancel(&self, session_id: &acp::SessionId, cx: &mut App);
105
106 fn truncate(
107 &self,
108 _session_id: &acp::SessionId,
109 _cx: &App,
110 ) -> Option<Rc<dyn AgentSessionTruncate>> {
111 None
112 }
113
114 fn set_title(
115 &self,
116 _session_id: &acp::SessionId,
117 _cx: &App,
118 ) -> Option<Rc<dyn AgentSessionSetTitle>> {
119 None
120 }
121
122 /// Returns this agent as an [Rc<dyn ModelSelector>] if the model selection capability is supported.
123 ///
124 /// If the agent does not support model selection, returns [None].
125 /// This allows sharing the selector in UI components.
126 fn model_selector(&self, _session_id: &acp::SessionId) -> Option<Rc<dyn AgentModelSelector>> {
127 None
128 }
129
130 fn telemetry(&self) -> Option<Rc<dyn AgentTelemetry>> {
131 None
132 }
133
134 fn session_modes(
135 &self,
136 _session_id: &acp::SessionId,
137 _cx: &App,
138 ) -> Option<Rc<dyn AgentSessionModes>> {
139 None
140 }
141
142 fn session_config_options(
143 &self,
144 _session_id: &acp::SessionId,
145 _cx: &App,
146 ) -> Option<Rc<dyn AgentSessionConfigOptions>> {
147 None
148 }
149
150 fn session_list(&self, _cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
151 None
152 }
153
154 fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
155}
156
157impl dyn AgentConnection {
158 pub fn downcast<T: 'static + AgentConnection + Sized>(self: Rc<Self>) -> Option<Rc<T>> {
159 self.into_any().downcast().ok()
160 }
161}
162
163pub trait AgentSessionTruncate {
164 fn run(&self, message_id: UserMessageId, cx: &mut App) -> Task<Result<()>>;
165}
166
167pub trait AgentSessionRetry {
168 fn run(&self, cx: &mut App) -> Task<Result<acp::PromptResponse>>;
169}
170
171pub trait AgentSessionSetTitle {
172 fn run(&self, title: SharedString, cx: &mut App) -> Task<Result<()>>;
173}
174
175pub trait AgentTelemetry {
176 /// A representation of the current thread state that can be serialized for
177 /// storage with telemetry events.
178 fn thread_data(
179 &self,
180 session_id: &acp::SessionId,
181 cx: &mut App,
182 ) -> Task<Result<serde_json::Value>>;
183}
184
185pub trait AgentSessionModes {
186 fn current_mode(&self) -> acp::SessionModeId;
187
188 fn all_modes(&self) -> Vec<acp::SessionMode>;
189
190 fn set_mode(&self, mode: acp::SessionModeId, cx: &mut App) -> Task<Result<()>>;
191}
192
193pub trait AgentSessionConfigOptions {
194 /// Get all current config options with their state
195 fn config_options(&self) -> Vec<acp::SessionConfigOption>;
196
197 /// Set a config option value
198 /// Returns the full updated list of config options
199 fn set_config_option(
200 &self,
201 config_id: acp::SessionConfigId,
202 value: acp::SessionConfigValueId,
203 cx: &mut App,
204 ) -> Task<Result<Vec<acp::SessionConfigOption>>>;
205
206 /// Whenever the config options are updated the receiver will be notified.
207 /// Optional for agents that don't update their config options dynamically.
208 fn watch(&self, _cx: &mut App) -> Option<watch::Receiver<()>> {
209 None
210 }
211}
212
213#[derive(Debug, Clone, Default)]
214pub struct AgentSessionListRequest {
215 pub cwd: Option<PathBuf>,
216 pub cursor: Option<String>,
217 pub meta: Option<acp::Meta>,
218}
219
220#[derive(Debug, Clone)]
221pub struct AgentSessionListResponse {
222 pub sessions: Vec<AgentSessionInfo>,
223 pub next_cursor: Option<String>,
224 pub meta: Option<acp::Meta>,
225}
226
227impl AgentSessionListResponse {
228 pub fn new(sessions: Vec<AgentSessionInfo>) -> Self {
229 Self {
230 sessions,
231 next_cursor: None,
232 meta: None,
233 }
234 }
235}
236
237#[derive(Debug, Clone, PartialEq)]
238pub struct AgentSessionInfo {
239 pub session_id: acp::SessionId,
240 pub cwd: Option<PathBuf>,
241 pub title: Option<SharedString>,
242 pub updated_at: Option<DateTime<Utc>>,
243 pub meta: Option<acp::Meta>,
244}
245
246impl AgentSessionInfo {
247 pub fn new(session_id: impl Into<acp::SessionId>) -> Self {
248 Self {
249 session_id: session_id.into(),
250 cwd: None,
251 title: None,
252 updated_at: None,
253 meta: None,
254 }
255 }
256}
257
258#[derive(Debug, Clone)]
259pub enum SessionListUpdate {
260 Refresh,
261 SessionInfo {
262 session_id: acp::SessionId,
263 update: acp::SessionInfoUpdate,
264 },
265}
266
267pub trait AgentSessionList {
268 fn list_sessions(
269 &self,
270 request: AgentSessionListRequest,
271 cx: &mut App,
272 ) -> Task<Result<AgentSessionListResponse>>;
273
274 fn supports_delete(&self) -> bool {
275 false
276 }
277
278 fn delete_session(&self, _session_id: &acp::SessionId, _cx: &mut App) -> Task<Result<()>> {
279 Task::ready(Err(anyhow::anyhow!("delete_session not supported")))
280 }
281
282 fn delete_sessions(&self, _cx: &mut App) -> Task<Result<()>> {
283 Task::ready(Err(anyhow::anyhow!("delete_sessions not supported")))
284 }
285
286 fn watch(&self, _cx: &mut App) -> Option<smol::channel::Receiver<SessionListUpdate>> {
287 None
288 }
289
290 fn notify_refresh(&self) {}
291
292 fn into_any(self: Rc<Self>) -> Rc<dyn Any>;
293}
294
295impl dyn AgentSessionList {
296 pub fn downcast<T: 'static + AgentSessionList + Sized>(self: Rc<Self>) -> Option<Rc<T>> {
297 self.into_any().downcast().ok()
298 }
299}
300
301#[derive(Debug)]
302pub struct AuthRequired {
303 pub description: Option<String>,
304 pub provider_id: Option<LanguageModelProviderId>,
305}
306
307impl AuthRequired {
308 pub fn new() -> Self {
309 Self {
310 description: None,
311 provider_id: None,
312 }
313 }
314
315 pub fn with_description(mut self, description: String) -> Self {
316 self.description = Some(description);
317 self
318 }
319
320 pub fn with_language_model_provider(mut self, provider_id: LanguageModelProviderId) -> Self {
321 self.provider_id = Some(provider_id);
322 self
323 }
324}
325
326impl Error for AuthRequired {}
327impl fmt::Display for AuthRequired {
328 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
329 write!(f, "Authentication required")
330 }
331}
332
333/// Trait for agents that support listing, selecting, and querying language models.
334///
335/// This is an optional capability; agents indicate support via [AgentConnection::model_selector].
336pub trait AgentModelSelector: 'static {
337 /// Lists all available language models for this agent.
338 ///
339 /// # Parameters
340 /// - `cx`: The GPUI app context for async operations and global access.
341 ///
342 /// # Returns
343 /// A task resolving to the list of models or an error (e.g., if no models are configured).
344 fn list_models(&self, cx: &mut App) -> Task<Result<AgentModelList>>;
345
346 /// Selects a model for a specific session (thread).
347 ///
348 /// This sets the default model for future interactions in the session.
349 /// If the session doesn't exist or the model is invalid, it returns an error.
350 ///
351 /// # Parameters
352 /// - `model`: The model to select (should be one from [list_models]).
353 /// - `cx`: The GPUI app context.
354 ///
355 /// # Returns
356 /// A task resolving to `Ok(())` on success or an error.
357 fn select_model(&self, model_id: acp::ModelId, cx: &mut App) -> Task<Result<()>>;
358
359 /// Retrieves the currently selected model for a specific session (thread).
360 ///
361 /// # Parameters
362 /// - `cx`: The GPUI app context.
363 ///
364 /// # Returns
365 /// A task resolving to the selected model (always set) or an error (e.g., session not found).
366 fn selected_model(&self, cx: &mut App) -> Task<Result<AgentModelInfo>>;
367
368 /// Whenever the model list is updated the receiver will be notified.
369 /// Optional for agents that don't update their model list.
370 fn watch(&self, _cx: &mut App) -> Option<watch::Receiver<()>> {
371 None
372 }
373
374 /// Returns whether the model picker should render a footer.
375 fn should_render_footer(&self) -> bool {
376 false
377 }
378}
379
380/// Icon for a model in the model selector.
381#[derive(Debug, Clone, PartialEq, Eq)]
382pub enum AgentModelIcon {
383 /// A built-in icon from Zed's icon set.
384 Named(IconName),
385 /// Path to a custom SVG icon file.
386 Path(SharedString),
387}
388
389#[derive(Debug, Clone, PartialEq, Eq)]
390pub struct AgentModelInfo {
391 pub id: acp::ModelId,
392 pub name: SharedString,
393 pub description: Option<SharedString>,
394 pub icon: Option<AgentModelIcon>,
395 pub is_latest: bool,
396}
397
398impl From<acp::ModelInfo> for AgentModelInfo {
399 fn from(info: acp::ModelInfo) -> Self {
400 Self {
401 id: info.model_id,
402 name: info.name.into(),
403 description: info.description.map(|desc| desc.into()),
404 icon: None,
405 is_latest: false,
406 }
407 }
408}
409
410#[derive(Debug, Clone, PartialEq, Eq, Hash)]
411pub struct AgentModelGroupName(pub SharedString);
412
413#[derive(Debug, Clone)]
414pub enum AgentModelList {
415 Flat(Vec<AgentModelInfo>),
416 Grouped(IndexMap<AgentModelGroupName, Vec<AgentModelInfo>>),
417}
418
419impl AgentModelList {
420 pub fn is_empty(&self) -> bool {
421 match self {
422 AgentModelList::Flat(models) => models.is_empty(),
423 AgentModelList::Grouped(groups) => groups.is_empty(),
424 }
425 }
426
427 pub fn is_flat(&self) -> bool {
428 matches!(self, AgentModelList::Flat(_))
429 }
430}
431
432#[derive(Debug, Clone)]
433pub struct PermissionOptionChoice {
434 pub allow: acp::PermissionOption,
435 pub deny: acp::PermissionOption,
436}
437
438impl PermissionOptionChoice {
439 pub fn label(&self) -> SharedString {
440 self.allow.name.clone().into()
441 }
442}
443
444#[derive(Debug, Clone)]
445pub enum PermissionOptions {
446 Flat(Vec<acp::PermissionOption>),
447 Dropdown(Vec<PermissionOptionChoice>),
448}
449
450impl PermissionOptions {
451 pub fn is_empty(&self) -> bool {
452 match self {
453 PermissionOptions::Flat(options) => options.is_empty(),
454 PermissionOptions::Dropdown(options) => options.is_empty(),
455 }
456 }
457
458 pub fn first_option_of_kind(
459 &self,
460 kind: acp::PermissionOptionKind,
461 ) -> Option<&acp::PermissionOption> {
462 match self {
463 PermissionOptions::Flat(options) => options.iter().find(|option| option.kind == kind),
464 PermissionOptions::Dropdown(options) => options.iter().find_map(|choice| {
465 if choice.allow.kind == kind {
466 Some(&choice.allow)
467 } else if choice.deny.kind == kind {
468 Some(&choice.deny)
469 } else {
470 None
471 }
472 }),
473 }
474 }
475
476 pub fn allow_once_option_id(&self) -> Option<acp::PermissionOptionId> {
477 self.first_option_of_kind(acp::PermissionOptionKind::AllowOnce)
478 .map(|option| option.option_id.clone())
479 }
480
481 pub fn deny_once_option_id(&self) -> Option<acp::PermissionOptionId> {
482 self.first_option_of_kind(acp::PermissionOptionKind::RejectOnce)
483 .map(|option| option.option_id.clone())
484 }
485}
486
487#[cfg(feature = "test-support")]
488mod test_support {
489 //! Test-only stubs and helpers for acp_thread.
490 //!
491 //! This module is gated by the `test-support` feature and is not included
492 //! in production builds. It provides:
493 //! - `StubAgentConnection` for mocking agent connections in tests
494 //! - `create_test_png_base64` for generating test images
495
496 use std::sync::Arc;
497
498 use action_log::ActionLog;
499 use collections::HashMap;
500 use futures::{channel::oneshot, future::try_join_all};
501 use gpui::{AppContext as _, WeakEntity};
502 use parking_lot::Mutex;
503
504 use super::*;
505
506 /// Creates a PNG image encoded as base64 for testing.
507 ///
508 /// Generates a solid-color PNG of the specified dimensions and returns
509 /// it as a base64-encoded string suitable for use in `ImageContent`.
510 pub fn create_test_png_base64(width: u32, height: u32, color: [u8; 4]) -> String {
511 use image::ImageEncoder as _;
512
513 let mut png_data = Vec::new();
514 {
515 let encoder = image::codecs::png::PngEncoder::new(&mut png_data);
516 let mut pixels = Vec::with_capacity((width * height * 4) as usize);
517 for _ in 0..(width * height) {
518 pixels.extend_from_slice(&color);
519 }
520 encoder
521 .write_image(&pixels, width, height, image::ExtendedColorType::Rgba8)
522 .expect("Failed to encode PNG");
523 }
524
525 use image::EncodableLayout as _;
526 base64::Engine::encode(
527 &base64::engine::general_purpose::STANDARD,
528 png_data.as_bytes(),
529 )
530 }
531
532 #[derive(Clone, Default)]
533 pub struct StubAgentConnection {
534 sessions: Arc<Mutex<HashMap<acp::SessionId, Session>>>,
535 permission_requests: HashMap<acp::ToolCallId, PermissionOptions>,
536 next_prompt_updates: Arc<Mutex<Vec<acp::SessionUpdate>>>,
537 }
538
539 struct Session {
540 thread: WeakEntity<AcpThread>,
541 response_tx: Option<oneshot::Sender<acp::StopReason>>,
542 }
543
544 impl StubAgentConnection {
545 pub fn new() -> Self {
546 Self {
547 next_prompt_updates: Default::default(),
548 permission_requests: HashMap::default(),
549 sessions: Arc::default(),
550 }
551 }
552
553 pub fn set_next_prompt_updates(&self, updates: Vec<acp::SessionUpdate>) {
554 *self.next_prompt_updates.lock() = updates;
555 }
556
557 pub fn with_permission_requests(
558 mut self,
559 permission_requests: HashMap<acp::ToolCallId, PermissionOptions>,
560 ) -> Self {
561 self.permission_requests = permission_requests;
562 self
563 }
564
565 pub fn send_update(
566 &self,
567 session_id: acp::SessionId,
568 update: acp::SessionUpdate,
569 cx: &mut App,
570 ) {
571 assert!(
572 self.next_prompt_updates.lock().is_empty(),
573 "Use either send_update or set_next_prompt_updates"
574 );
575
576 self.sessions
577 .lock()
578 .get(&session_id)
579 .unwrap()
580 .thread
581 .update(cx, |thread, cx| {
582 thread.handle_session_update(update, cx).unwrap();
583 })
584 .unwrap();
585 }
586
587 pub fn end_turn(&self, session_id: acp::SessionId, stop_reason: acp::StopReason) {
588 self.sessions
589 .lock()
590 .get_mut(&session_id)
591 .unwrap()
592 .response_tx
593 .take()
594 .expect("No pending turn")
595 .send(stop_reason)
596 .unwrap();
597 }
598 }
599
600 impl AgentConnection for StubAgentConnection {
601 fn telemetry_id(&self) -> SharedString {
602 "stub".into()
603 }
604
605 fn auth_methods(&self) -> &[acp::AuthMethod] {
606 &[]
607 }
608
609 fn model_selector(
610 &self,
611 _session_id: &acp::SessionId,
612 ) -> Option<Rc<dyn AgentModelSelector>> {
613 Some(self.model_selector_impl())
614 }
615
616 fn new_session(
617 self: Rc<Self>,
618 project: Entity<Project>,
619 _cwd: &Path,
620 cx: &mut gpui::App,
621 ) -> Task<gpui::Result<Entity<AcpThread>>> {
622 let session_id = acp::SessionId::new(self.sessions.lock().len().to_string());
623 let action_log = cx.new(|_| ActionLog::new(project.clone()));
624 let thread = cx.new(|cx| {
625 AcpThread::new(
626 None,
627 "Test",
628 self.clone(),
629 project,
630 action_log,
631 session_id.clone(),
632 watch::Receiver::constant(
633 acp::PromptCapabilities::new()
634 .image(true)
635 .audio(true)
636 .embedded_context(true),
637 ),
638 cx,
639 )
640 });
641 self.sessions.lock().insert(
642 session_id,
643 Session {
644 thread: thread.downgrade(),
645 response_tx: None,
646 },
647 );
648 Task::ready(Ok(thread))
649 }
650
651 fn authenticate(
652 &self,
653 _method_id: acp::AuthMethodId,
654 _cx: &mut App,
655 ) -> Task<gpui::Result<()>> {
656 unimplemented!()
657 }
658
659 fn prompt(
660 &self,
661 _id: Option<UserMessageId>,
662 params: acp::PromptRequest,
663 cx: &mut App,
664 ) -> Task<gpui::Result<acp::PromptResponse>> {
665 let mut sessions = self.sessions.lock();
666 let Session {
667 thread,
668 response_tx,
669 } = sessions.get_mut(¶ms.session_id).unwrap();
670 let mut tasks = vec![];
671 if self.next_prompt_updates.lock().is_empty() {
672 let (tx, rx) = oneshot::channel();
673 response_tx.replace(tx);
674 cx.spawn(async move |_| {
675 let stop_reason = rx.await?;
676 Ok(acp::PromptResponse::new(stop_reason))
677 })
678 } else {
679 for update in self.next_prompt_updates.lock().drain(..) {
680 let thread = thread.clone();
681 let update = update.clone();
682 let permission_request = if let acp::SessionUpdate::ToolCall(tool_call) =
683 &update
684 && let Some(options) = self.permission_requests.get(&tool_call.tool_call_id)
685 {
686 Some((tool_call.clone(), options.clone()))
687 } else {
688 None
689 };
690 let task = cx.spawn(async move |cx| {
691 if let Some((tool_call, options)) = permission_request {
692 thread
693 .update(cx, |thread, cx| {
694 thread.request_tool_call_authorization(
695 tool_call.clone().into(),
696 options.clone(),
697 cx,
698 )
699 })??
700 .await;
701 }
702 thread.update(cx, |thread, cx| {
703 thread.handle_session_update(update.clone(), cx).unwrap();
704 })?;
705 anyhow::Ok(())
706 });
707 tasks.push(task);
708 }
709
710 cx.spawn(async move |_| {
711 try_join_all(tasks).await?;
712 Ok(acp::PromptResponse::new(acp::StopReason::EndTurn))
713 })
714 }
715 }
716
717 fn cancel(&self, session_id: &acp::SessionId, _cx: &mut App) {
718 if let Some(end_turn_tx) = self
719 .sessions
720 .lock()
721 .get_mut(session_id)
722 .unwrap()
723 .response_tx
724 .take()
725 {
726 end_turn_tx.send(acp::StopReason::Cancelled).unwrap();
727 }
728 }
729
730 fn truncate(
731 &self,
732 _session_id: &agent_client_protocol::SessionId,
733 _cx: &App,
734 ) -> Option<Rc<dyn AgentSessionTruncate>> {
735 Some(Rc::new(StubAgentSessionEditor))
736 }
737
738 fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
739 self
740 }
741 }
742
743 struct StubAgentSessionEditor;
744
745 impl AgentSessionTruncate for StubAgentSessionEditor {
746 fn run(&self, _: UserMessageId, _: &mut App) -> Task<Result<()>> {
747 Task::ready(Ok(()))
748 }
749 }
750
751 #[derive(Clone)]
752 struct StubModelSelector {
753 selected_model: Arc<Mutex<AgentModelInfo>>,
754 }
755
756 impl StubModelSelector {
757 fn new() -> Self {
758 Self {
759 selected_model: Arc::new(Mutex::new(AgentModelInfo {
760 id: acp::ModelId::new("visual-test-model"),
761 name: "Visual Test Model".into(),
762 description: Some("A stub model for visual testing".into()),
763 icon: Some(AgentModelIcon::Named(ui::IconName::ZedAssistant)),
764 is_latest: false,
765 })),
766 }
767 }
768 }
769
770 impl AgentModelSelector for StubModelSelector {
771 fn list_models(&self, _cx: &mut App) -> Task<Result<AgentModelList>> {
772 let model = self.selected_model.lock().clone();
773 Task::ready(Ok(AgentModelList::Flat(vec![model])))
774 }
775
776 fn select_model(&self, model_id: acp::ModelId, _cx: &mut App) -> Task<Result<()>> {
777 self.selected_model.lock().id = model_id;
778 Task::ready(Ok(()))
779 }
780
781 fn selected_model(&self, _cx: &mut App) -> Task<Result<AgentModelInfo>> {
782 Task::ready(Ok(self.selected_model.lock().clone()))
783 }
784 }
785
786 impl StubAgentConnection {
787 /// Returns a model selector for this stub connection.
788 pub fn model_selector_impl(&self) -> Rc<dyn AgentModelSelector> {
789 Rc::new(StubModelSelector::new())
790 }
791 }
792}
793
794#[cfg(feature = "test-support")]
795pub use test_support::*;