coordinator: push_todo returns Result so callers can see delivery outcome

hive-c0re/src/actions.rs

@@ -739,7 +739,7 @@ async fn finish_approval(
     match approval.kind {
         ApprovalKind::InitConfig => {
             if ok {
-                coord
+                let _ = coord
                     .push_todo_submitter(
                         approval.id,
                         "core",
@@ -763,7 +763,7 @@ async fn finish_approval(
                     note.as_deref().unwrap_or("unknown error")
                 )
             };
-            coord
+            let _ = coord
                 .push_todo_submitter(
                     approval.id,
                     "core",
@@ -784,7 +784,7 @@ async fn finish_approval(
                 approval.fetched_sha.as_deref(),
                 terminal_tag.as_deref(),
             );
-            coord
+            let _ = coord
                 .push_todo_submitter(
                     approval.id,
                     "core",
@@ -963,7 +963,7 @@ pub async fn destroy(coord: &Arc<Coordinator>, name: &str, purge: bool) -> Resul
         tracing::warn!(%name, error = ?e, "agent_power: remove on destroy failed");
     }
     drop(guard);
-    coord
+    let _ = coord
         .push_todo(
             hive_sh4re::MANAGER_AGENT,
             "core",