fix(tests): add comprehensive unit and async tests across Rust crates and TypeScript runtime

rust/crates/remoteingress-bin/src/main.rs

@@ -369,3 +369,58 @@ async fn handle_request(
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_ipc_request_deserialize() {
+        let json = r#"{"id": "1", "method": "ping", "params": {}}"#;
+        let req: IpcRequest = serde_json::from_str(json).unwrap();
+        assert_eq!(req.id, "1");
+        assert_eq!(req.method, "ping");
+        assert!(req.params.is_object());
+    }
+
+    #[test]
+    fn test_ipc_response_skip_error_when_none() {
+        let resp = IpcResponse {
+            id: "1".to_string(),
+            success: true,
+            result: Some(serde_json::json!({"pong": true})),
+            error: None,
+        };
+        let json = serde_json::to_value(&resp).unwrap();
+        assert_eq!(json["id"], "1");
+        assert_eq!(json["success"], true);
+        assert_eq!(json["result"]["pong"], true);
+        assert!(json.get("error").is_none());
+    }
+
+    #[test]
+    fn test_ipc_response_skip_result_when_none() {
+        let resp = IpcResponse {
+            id: "2".to_string(),
+            success: false,
+            result: None,
+            error: Some("something failed".to_string()),
+        };
+        let json = serde_json::to_value(&resp).unwrap();
+        assert_eq!(json["id"], "2");
+        assert_eq!(json["success"], false);
+        assert_eq!(json["error"], "something failed");
+        assert!(json.get("result").is_none());
+    }
+
+    #[test]
+    fn test_ipc_event_serialize() {
+        let evt = IpcEvent {
+            event: "ready".to_string(),
+            data: serde_json::json!({"version": "2.0.0"}),
+        };
+        let json = serde_json::to_value(&evt).unwrap();
+        assert_eq!(json["event"], "ready");
+        assert_eq!(json["data"]["version"], "2.0.0");
+    }
+}