Ship production deployment and runtime observability

crates/remora-target/src/store.rs

@@ -190,6 +190,10 @@ impl TargetStore {
         &self.config
     }
 
+    pub async fn check(&self) -> Result<(), TargetError> {
+        self.operator.check().await.map_err(map_opendal)
+    }
+
     /// Open a create-only streaming writer for one attempt object.
     pub async fn open_create_only(
         &self,