Integrate unfinished server-rs refactor worklists

server-rs/crates/spacetime-module/src/big_fish/events.rs

@@ -37,7 +37,10 @@ pub(crate) fn emit_big_fish_publish_readiness_event(
         publish_ready,
         blockers,
         occurred_at_micros,
-    } = event;
+    } = event
+    else {
+        return Ok(());
+    };
 
     let blockers_json = serde_json::to_string(&blockers)
         .map_err(|error| format!("big_fish.publish_readiness.blockers 序列化失败: {error}"))?;