feat: add Letta Code detection and restore (#3107)

refs #3106

Co-authored-by: Cameron <cameron@pfiffer.org>

1 files changed, 57 insertions, 4 deletions

diff --git a/src/integration/actions.rs b/src/integration/actions.rs
index e8b3ab63..d51682f8 100644
--- a/src/integration/actions.rs
+++ b/src/integration/actions.rs
@@ -4,11 +4,11 @@ use super::registry::{integration_target_label, integration_target_supported};
 use super::targets::{
     install_antigravity_cli, install_claude, install_codex, install_copilot, install_cursor,
     install_devin, install_droid, install_grok, install_hermes, install_kilo, install_kimi,
-    install_mastracode, install_omp, install_opencode, install_pi, install_qodercli, install_qwen,
-    uninstall_antigravity_cli, uninstall_claude, uninstall_codex, uninstall_copilot,
+    install_letta, install_mastracode, install_omp, install_opencode, install_pi, install_qodercli,
+    install_qwen, uninstall_antigravity_cli, uninstall_claude, uninstall_codex, uninstall_copilot,
     uninstall_cursor, uninstall_devin, uninstall_droid, uninstall_grok, uninstall_hermes,
-    uninstall_kilo, uninstall_kimi, uninstall_mastracode, uninstall_omp, uninstall_opencode,
-    uninstall_pi, uninstall_qodercli, uninstall_qwen,
+    uninstall_kilo, uninstall_kimi, uninstall_letta, uninstall_mastracode, uninstall_omp,
+    uninstall_opencode, uninstall_pi, uninstall_qodercli, uninstall_qwen,
 };
 use super::version::{agent_version_requirement, enforce_agent_version};
 use super::{KIMI_MIN_VERSION, PI_EXTENSION_INSTALL_NAME};
@@ -22,6 +22,59 @@ pub(crate) fn install_target(
     result
 }
 
+/// Experimental Letta install that bypasses the frozen client endpoint
+/// `IntegrationTarget` enum. Fold into the agent registry when it lands.
+pub(crate) fn install_experimental_letta() -> io::Result<Vec<String>> {
+    let result = install_letta().map(|installed| {
+        vec![
+            format!(
+                "installed letta integration hook to {}",
+                installed.hook_path.display()
+            ),
+            format!(
+                "ensured letta settings at {}",
+                installed.settings_path.display()
+            ),
+        ]
+    });
+    let outcome = if result.is_ok() { "ok" } else { "error" };
+    crate::logging::integration_action("install", "letta", outcome);
+    result
+}
+
+/// Experimental Letta uninstall counterpart.
+pub(crate) fn uninstall_experimental_letta() -> io::Result<Vec<String>> {
+    let result = uninstall_letta().map(|result| {
+        let mut messages = Vec::new();
+        if result.removed_hook_file {
+            messages.push(format!(
+                "removed letta hook at {}",
+                result.hook_path.display()
+            ));
+        } else {
+            messages.push(format!(
+                "no letta hook found at {}",
+                result.hook_path.display()
+            ));
+        }
+        if result.updated_settings {
+            messages.push(format!(
+                "removed herdr letta hook entry from {}",
+                result.settings_path.display()
+            ));
+        } else {
+            messages.push(format!(
+                "no herdr letta hook entry found in {}",
+                result.settings_path.display()
+            ));
+        }
+        messages
+    });
+    let outcome = if result.is_ok() { "ok" } else { "error" };
+    crate::logging::integration_action("uninstall", "letta", outcome);
+    result
+}
+
 fn install_target_inner(target: crate::api::schema::IntegrationTarget) -> io::Result<Vec<String>> {
     if !integration_target_supported(target) {
         return Err(io::Error::other(format!(