Add operator Mentra memory browser

vendor/mentra/src/background/hook.rs

@@ -0,0 +1,20 @@
+use std::path::Path;
+
+use crate::error::RuntimeError;
+
+pub(crate) trait BackgroundHookSink: Send + Sync {
+    fn task_started(
+        &self,
+        agent_id: &str,
+        task_id: &str,
+        command: &str,
+        cwd: &Path,
+    ) -> Result<(), RuntimeError>;
+
+    fn task_finished(
+        &self,
+        agent_id: &str,
+        task_id: &str,
+        status: &str,
+    ) -> Result<(), RuntimeError>;
+}