Add files using upload-large-folder tool

data/eval/README.md

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+# Evaluation data
+
+JSONL paths and all asset references are relative to the repository root.
+
+Visual files are stored in the shared `data/assets/` pool so evaluation and training records can reuse the same
+files.
+
+Before redistribution, confirm the original licenses and terms for SpatialCLI-Bench, DA-2K, MindCube,
+MMSI-Bench, and BOPASK.