Card: cite the dataset DOI, add the paper citation, correct the exporter's location

README.md

@@ -228,18 +228,30 @@ read during a run.
 
 ## Reproducing
 
-`hf-export.py` (in the paper package) builds all three files from the raw ledgers. The ledger format
+`hf-export.py`, in this repository, builds all three files from the raw ledgers. The ledger format
 is one framed JSON object per chunk file: byte 0 is a marker, the JSON begins at byte 1, and the
 event is under `.event`.
 
 ## Citation
 
 ```bibtex
-@misc{libredb2026agentruns,
+@misc{libredb2026dataset,
+  title     = {Database agent runs: 8,199 tool-calling runs across 40 language models},
+  author    = {Bozoğlan, Cevheri and Gündoğdu, Yusuf and Kaya, Abdullah and Şirin, Koray},
+  year      = {2026},
+  publisher = {Hugging Face},
+  doi       = {10.57967/hf/10485},
+  url       = {https://doi.org/10.57967/hf/10485}
+}
+```
+
+The paper this dataset accompanies:
+
+```bibtex
+@misc{libredb2026paper,
   title  = {What Stops a Small Language Model From Driving a Database Agent},
   author = {Bozoğlan, Cevheri and Gündoğdu, Yusuf and Kaya, Abdullah and Şirin, Koray},
   year   = {2026},
-  note   = {Dataset: 8,199 database-agent runs across 40 models, with the reference scorer
-            and a verifier that regenerates every figure in the paper}
+  note   = {Preprint. Every figure regenerates from this dataset with \texttt{verify.py}}
 }
 ```