feat: add --list-bundles and .list bundles with drift detection

src/main.rs

@@ -107,6 +107,7 @@ async fn main() -> Result<()> {
         || cli.list_rags
         || cli.list_macros
         || cli.list_skills
+        || cli.list_bundles
         || cli.list_sessions;
     let vault_flags = cli.add_secret.is_some()
         || cli.get_secret.is_some()
@@ -309,6 +310,9 @@ async fn run(
         println!("{skills}");
         return Ok(());
     }
+    if cli.list_bundles {
+        return config::list_installed_bundles();
+    }
     let skills = cli.skills();
     if skills.len() == 1 {
         let name = &skills[0];