Add paper and code links to dataset card

This PR adds links to the paper and the GitHub repository for this dataset, making it easier to find and cite.

README.md

@@ -21,9 +21,10 @@ configs:
   - split: eurus_validation
     path: eurus_validation.parquet
 ---
+
 # OPV Code: original experiment data
 
-Prepared for *Learning to Steer, Steering to See*. validation is the full local LiveCodeBench v5 export (880 problems), not the 100-row smoke subset. The original converter caps tests at 30 and their combined bytes; this is an execution-budget variant, not unrestricted official LCB evaluation.
+Prepared for *Learning to Steer, Steering to See* ([paper](https://huggingface.co/papers/2609.34344) · [code](https://github.com/caiyuchen-ustc/On_Policy_Vector_Training)). validation is the full local LiveCodeBench v5 export (880 problems), not the 100-row smoke subset. The original converter caps tests at 30 and their combined bytes; this is an execution-budget variant, not unrestricted official LCB evaluation.
 
 | Split | Rows |
 | --- | ---: |
@@ -50,4 +51,4 @@ train = load_dataset("caiyuchen/OPV-Code", "train", split="train")
 validation = load_dataset("caiyuchen/OPV-Code", "validation", split="validation")
 ```
 
-The available artifacts differ from several manuscript descriptions. The accompanying repository records these differences instead of relabeling datasets or inventing results.
+The available artifacts differ from several manuscript descriptions. The accompanying repository records these differences instead of relabeling datasets or inventing results.