feat: add common queue

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

crates/churn/src/server/grpc_server.rs

@@ -1,11 +1,11 @@
-use std::{net::SocketAddr, pin::Pin};
+use std::{collections::BTreeMap, net::SocketAddr, pin::Pin};
 
 use anyhow::Context;
 use futures::Stream;
 use notmad::{Component, MadError};
 use tonic::transport::Server;
 
-use crate::grpc::*;
+use crate::{agent::models::Commands, grpc::*};
 
 #[derive(Clone)]
 pub struct GrpcServer {
@@ -70,9 +70,18 @@ impl crate::grpc::churn_server::Churn for GrpcServer {
             loop {
                 interval.tick().await;
 
+                let Ok(schedule_task) = serde_json::to_string(&Commands::ScheduleTask {
+                    task: "refresh".into(),
+                    properties: BTreeMap::default(),
+                }) else {
+                    tracing::warn!("failed to serialize event");
+                    continue;
+                };
+
                 if let Err(e) = tx
                     .send(Ok(ListenEventsResponse {
-                        value: uuid::Uuid::new_v4().to_string(),
+                        id: uuid::Uuid::new_v4().to_string(),
+                        value: schedule_task,
                     }))
                     .await
                 {