feat: guest metrics support (#46)

* feat: initial support for idm send in daemon

* feat: implement IdmClient backend support

* feat: daemon idm now uses IdmClient

* fix: implement channel destruction propagation

* feat: implement request response idm system

* feat: implement metrics support

* proto: move metrics into GuestMetrics for reusability

* fix: log level of guest agent was trace

* feat: metrics tree with process information

crates/guest/bin/init.rs

@@ -23,6 +23,8 @@ async fn main() -> Result<()> {
     if let Err(error) = guest.init().await {
         error!("failed to initialize guest: {}", error);
         death(127).await?;
+        return Ok(());
     }
+    death(1).await?;
     Ok(())
 }