feat: add session list command in cli (#1586)

crates/goose/src/session/info.rs

@@ -0,0 +1,49 @@
+use anyhow::Result;
+use serde::Serialize;
+
+use crate::session::{self, SessionMetadata};
+
+#[derive(Serialize)]
+pub struct SessionInfo {
+    pub id: String,
+    pub path: String,
+    pub modified: String,
+    pub metadata: SessionMetadata,
+}
+
+pub fn get_session_info() -> Result<Vec<SessionInfo>> {
+    let sessions = match session::list_sessions() {
+        Ok(sessions) => sessions,
+        Err(e) => {
+            tracing::error!("Failed to list sessions: {:?}", e);
+            return Err(anyhow::anyhow!("Failed to list sessions"));
+        }
+    };
+    let session_infos = sessions
+        .into_iter()
+        .map(|(id, path)| {
+            // Get last modified time as string
+            let modified = path
+                .metadata()
+                .and_then(|m| m.modified())
+                .map(|time| {
+                    chrono::DateTime::<chrono::Utc>::from(time)
+                        .format("%Y-%m-%d %H:%M:%S UTC")
+                        .to_string()
+                })
+                .unwrap_or_else(|_| "Unknown".to_string());
+
+            // Get session description
+            let metadata = session::read_metadata(&path).expect("Failed to read session metadata");
+
+            SessionInfo {
+                id,
+                path: path.to_string_lossy().to_string(),
+                modified,
+                metadata,
+            }
+        })
+        .collect();
+
+    Ok(session_infos)
+}

crates/goose/src/session/mod.rs

@@ -1,3 +1,4 @@
+pub mod info;
 pub mod storage;
 
 // Re-export common session types and functions
@@ -6,3 +7,5 @@ pub use storage::{
     get_path, list_sessions, persist_messages, read_messages, read_metadata, update_metadata,
     Identifier, SessionMetadata,
 };
+
+pub use info::{get_session_info, SessionInfo};