Make Croissant contentUrl resolvable for record generation

croissant.json

@@ -81,7 +81,7 @@
       "name": "manifest.json",
       "description": "Top-level run inventory (machine-readable)",
       "encodingFormat": "application/json",
-      "contentUrl": "manifest.json",
+      "contentUrl": "https://huggingface.co/datasets/NIPS26Repo/quantarena-artifacts/resolve/main/manifest.json",
       "md5": "bb42335a24b28e7d795775435cf0478a",
       "sha256": "5e2f3e8a12ba31e4352ae03c0a73ab5f940f09fdb1df87aa5aeb7bb213d748e1"
     },
@@ -91,7 +91,7 @@
       "name": "all_metrics.csv",
       "description": "Long-format flat table of summary metrics across all 28 runs",
       "encodingFormat": "text/csv",
-      "contentUrl": "derived/all_metrics.csv",
+      "contentUrl": "https://huggingface.co/datasets/NIPS26Repo/quantarena-artifacts/resolve/main/derived/all_metrics.csv",
       "md5": "415bf46376615cffec260d32fb00189e",
       "sha256": "45a65ac0d1a973614c7d66d4fcb31617c9e2c40dcc55f55a1d334177ab6cbd5e"
     },
@@ -101,7 +101,7 @@
       "name": "all_trades.csv",
       "description": "Concatenated per-trade log across all 28 runs",
       "encodingFormat": "text/csv",
-      "contentUrl": "derived/all_trades.csv",
+      "contentUrl": "https://huggingface.co/datasets/NIPS26Repo/quantarena-artifacts/resolve/main/derived/all_trades.csv",
       "md5": "265efdd77a81a00460e533415cf78ee6",
       "sha256": "ca0df264b0453e4f96d51e420d569f3c253df4961fe421d5facee24e3be2129c"
     },
@@ -111,7 +111,7 @@
       "name": "sector_style_universe.csv",
       "description": "5x4 sector/style universe (20 US + 20 CN tickers)",
       "encodingFormat": "text/csv",
-      "contentUrl": "universe/sector_style_universe.csv",
+      "contentUrl": "https://huggingface.co/datasets/NIPS26Repo/quantarena-artifacts/resolve/main/universe/sector_style_universe.csv",
       "md5": "674bb2aed2a6fcba83255453fcb349ce",
       "sha256": "8d834d3365c56f5967cf916fb7b810f8da799b09ee8d7f1b1c262eee4f63039a"
     },