feat: add discovery

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churn/src/agent/refresh.rs

@@ -4,21 +4,24 @@ use super::agent_state::AgentState;
 
 #[derive(Clone)]
 pub struct AgentRefresh {
-    _state: AgentState,
-    host: String,
+    process_host: String,
 }
 
 impl AgentRefresh {
-    pub fn new(state: impl Into<AgentState>, host: impl Into<String>) -> Self {
+    pub fn new(state: impl Into<AgentState>) -> Self {
+        let state: AgentState = state.into();
         Self {
-            _state: state.into(),
-            host: host.into(),
+            process_host: state.discovery.process_host.clone(),
         }
     }
 }
 
 #[async_trait::async_trait]
 impl notmad::Component for AgentRefresh {
+    fn name(&self) -> Option<String> {
+        Some("agent_refresh".into())
+    }
+
     async fn run(
         &self,
         cancellation_token: tokio_util::sync::CancellationToken,
@@ -39,7 +42,7 @@ impl notmad::Component for AgentRefresh {
 #[async_trait::async_trait]
 impl nodrift::Drifter for AgentRefresh {
     async fn execute(&self, _token: tokio_util::sync::CancellationToken) -> anyhow::Result<()> {
-        tracing::info!(host = self.host, "refreshing agent");
+        tracing::info!(process_host = self.process_host, "refreshing agent");
 
         // Get plan
         let plan = Plan::new();