WIP

crates/acp_thread/Cargo.toml

@@ -21,6 +21,7 @@ agent-client-protocol.workspace = true
 agent.workspace = true
 anyhow.workspace = true
 buffer_diff.workspace = true
+chrono.workspace = true
 collections.workspace = true
 editor.workspace = true
 file_icons.workspace = true

crates/acp_thread/src/acp_thread.rs

@@ -6,11 +6,13 @@ mod terminal;
 pub use connection::*;
 pub use diff::*;
 pub use mention::*;
+use serde::{Deserialize, Serialize};
 pub use terminal::*;
 
 use action_log::ActionLog;
 use agent_client_protocol as acp;
 use anyhow::{Context as _, Result, anyhow};
+use chrono::{DateTime, Utc};
 use editor::Bias;
 use futures::{FutureExt, channel::oneshot, future::BoxFuture};
 use gpui::{AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task, WeakEntity};
@@ -632,6 +634,13 @@ impl PlanEntry {
     }
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AcpThreadMetadata {
+    pub id: acp::SessionId,
+    pub title: SharedString,
+    pub updated_at: DateTime<Utc>,
+}
+
 pub struct AcpThread {
     title: SharedString,
     entries: Vec<AgentThreadEntry>,
@@ -1608,7 +1617,7 @@ mod tests {
     use super::*;
     use anyhow::anyhow;
     use futures::{channel::mpsc, future::LocalBoxFuture, select};
-    use gpui::{AsyncApp, TestAppContext, WeakEntity};
+    use gpui::{App, AsyncApp, TestAppContext, WeakEntity};
     use indoc::indoc;
     use project::{FakeFs, Fs};
     use rand::Rng as _;
@@ -2284,7 +2293,7 @@ mod tests {
             self: Rc<Self>,
             project: Entity<Project>,
             _cwd: &Path,
-            cx: &mut gpui::App,
+            cx: &mut App,
         ) -> Task<gpui::Result<Entity<AcpThread>>> {
             let session_id = acp::SessionId(
                 rand::thread_rng()
@@ -2300,6 +2309,10 @@ mod tests {
             Task::ready(Ok(thread))
         }
 
+        fn list_threads(&self, _: &mut App) -> Task<Result<Vec<AcpThreadMetadata>>> {
+            unimplemented!()
+        }
+
         fn authenticate(&self, method: acp::AuthMethodId, _cx: &mut App) -> Task<gpui::Result<()>> {
             if self.auth_methods().iter().any(|m| m.id == method) {
                 Task::ready(Ok(()))

crates/acp_thread/src/connection.rs

@@ -1,4 +1,4 @@
-use crate::AcpThread;
+use crate::{AcpThread, AcpThreadMetadata};
 use agent_client_protocol::{self as acp};
 use anyhow::Result;
 use collections::IndexMap;
@@ -26,6 +26,8 @@ pub trait AgentConnection {
         cx: &mut App,
     ) -> Task<Result<Entity<AcpThread>>>;
 
+    fn list_threads(&self, _cx: &mut App) -> Task<Result<Vec<AcpThreadMetadata>>>;
+
     fn auth_methods(&self) -> &[acp::AuthMethod];
 
     fn authenticate(&self, method: acp::AuthMethodId, cx: &mut App) -> Task<Result<()>>;
@@ -264,6 +266,10 @@ mod test_support {
             unimplemented!()
         }
 
+        fn list_threads(&self, _: &mut App) -> Task<Result<Vec<AcpThreadMetadata>>> {
+            unimplemented!()
+        }
+
         fn prompt(
             &self,
             _id: Option<UserMessageId>,