feat(agent): memory condensation for longer context (#1457)

crates/goose-cli/src/commands/agent_version.rs

@@ -13,10 +13,15 @@ impl AgentCommand {
 
         let versions = AgentFactory::available_versions();
         let default_version = AgentFactory::default_version();
+        let configured_version = AgentFactory::configured_version();
 
         for version in versions {
-            if version == default_version {
+            if version == default_version && version == configured_version {
                 writeln!(output, "* {} (default)", version)?;
+            } else if version == default_version {
+                writeln!(output, "  {} (default)", version)?;
+            } else if version == configured_version {
+                writeln!(output, "* {}", version)?;
             } else {
                 writeln!(output, "  {}", version)?;
             }

crates/goose-cli/src/session/builder.rs

@@ -31,12 +31,8 @@ pub async fn build_session(
         goose::providers::create(&provider_name, model_config).expect("Failed to create provider");
 
     // Create the agent
-    let agent_version: Option<String> = config.get("GOOSE_AGENT").ok();
-    let mut agent = match agent_version {
-        Some(version) => AgentFactory::create(&version, provider),
-        None => AgentFactory::create(AgentFactory::default_version(), provider),
-    }
-    .expect("Failed to create agent");
+    let mut agent = AgentFactory::create(&AgentFactory::configured_version(), provider)
+        .expect("Failed to create agent");
 
     // Setup extensions for the agent
     for extension in ExtensionManager::get_all().expect("should load extensions") {