Slim public viewer metadata

README.md

@@ -50,25 +50,33 @@ This dataset release contains the frozen 432-sample benchmark build used by the
 
 ## Data Fields
 
-Each row in `metadata/formal_all18_432.jsonl` includes:
+The public Hugging Face viewer layout in `hf_viewer/{train,validation,test}/metadata.jsonl` keeps a slimmer schema:
 
 - `sample_id`
 - `chart_id`
 - `chart_type`
+- `chart_group`
+- `image_path`
+- `values`
+- `n_series`
+- `n_points`
 - `difficulty_tier`
+- `difficulty_components`
+- `challenge_tags`
+- `source_kind`
+- `layout_family`
 - `split`
-- `values`
-- `x_labels`
-- `series_labels`
+- `suite_id`
 - `annotation`
 - `axis_scale`
-- `challenge_tags`
-- `image_path`
+- `x_labels`
+- `series_labels`
+- `candidate_pool`
 - `table_path`
 - `program_path`
 - `object_path`
 
-The `*_original` fields keep the original local source paths for auditability.
+The canonical audit manifest remains available in `metadata/formal_all18_432.jsonl`, including the original local-path provenance fields.
 
 ## Notes