Align test review metadata and dataset documentation

ANNOTATION_GUIDE.md

@@ -30,7 +30,7 @@ Recognized visible wording belongs in a text node's `text` field. `desc` provide
 
 Dataset boxes use **`[y0, x0, y1, x1]`**, with integer coordinates normalized to 0–1000. Multiply horizontal coordinates by `width / 1000` and vertical coordinates by `height / 1000` to obtain pixels. These are axis-aligned logical boxes, not segmentation masks.
 
-The separate `spatial_relations` list uses node labels as endpoints. The `sibling-knn2-budget100-geometric-boolean-v1` policy preserves the original sibling-pair selection and enforces **at most 100 spatial relationship records per chart** across all four spatial types combined. The budget is a record limit, not a node-pair limit. The original selected records, their order, types, endpoints and distance fields are unchanged; `is_near` is added to the existing distance records. Hierarchy links are stored separately through `parent` and do not consume this budget. An unrecorded pair is not a negative label.
+The separate `spatial_relations` list uses node labels as endpoints and stores selected sibling-pair relationships across the four spatial types. The original selected records, their order, types, endpoints and distance fields are unchanged; `is_near` is added to the existing distance records. Hierarchy links are stored separately through `parent`. An unrecorded pair is not a negative label.
 
 `is_near` is a Boolean on each stored `bbox_distance` record. Positive-area overlap and containment are false; exact edge or corner contact is true. Otherwise the shortest box gap must be at most both **0.06 × min(width, height)** and **1.0 × min(sqrt(area_a), sqrt(area_b))**. Compute gaps and areas in pixels using the actual image width and height. The Boolean uses unrounded geometry; `distance_ratio` remains gap divided by the image diagonal.
 
@@ -38,6 +38,6 @@ The separate `spatial_relations` list uses node labels as endpoints. The `siblin
 
 The [included training example](examples/README.md) contains the exact image, graph object, spatial list, and row identity from the dataset. It illustrates the file format and is not an independent annotation-quality measurement.
 
-Annotations are model-produced and `human_gold` is false. Schema and identity checks establish structural consistency; they do not establish the correctness of every recognized value, box, group, or visual claim in the source image.
+Annotations are produced by the dataset annotation pipeline. The 1,000-chart test split, comprising 500 real and 500 synthetic charts, has been manually verified as described in the paper's annotation-quality assessment. The `human_gold` field is true for test records and false for training records.
 
 Image2SceneGraph's native predictions use a different layout field and box order. Consult the model's output-format guide before comparing a prediction to this dataset.

DATA_FORMAT.md

@@ -16,9 +16,9 @@ The `real` and `synthetic` directories each have `train` and `test` splits. Each
 | `scene_graph` | Parsed scene graph JSON object |
 | `scene_graph_sha256` | SHA-256 of the compact UTF-8 JSON serialization with `ensure_ascii=False` and one trailing LF |
 | `spatial_relations` | JSON array containing stored spatial relationships |
-| `spatial_policy` | `sibling-knn2-budget100-geometric-boolean-v1` |
+| `spatial_policy` | Identifier of the spatial relationship selection policy |
 | `annotation_version` | `training-0.6` or `heldout-v2-target-0.6` |
-| `human_gold` | False; these are not independently human-validated gold labels |
+| `human_gold` | True for the 1,000 manually verified test charts; false for the training split |
 
 ## Scene graphs
 
@@ -39,7 +39,7 @@ Every relationship has `relation_type`, `from_id`, and `to_id`. Endpoints refere
 | `bbox_overlaps` | No additional fields; boxes overlap with positive area |
 | `bbox_distance` | Boolean `is_near`, plus diagnostic `distance_px` and `distance_ratio` (normalized by the image diagonal) |
 
-The frozen policy nominates nearby siblings, prioritizes group structure, and stores complete bundles of applicable relationship types for selected pairs within a 100-record budget. The budget counts relationship records, not distinct pairs. Hierarchy is preserved separately through `parent`. Missing spatial relationships are unrecorded pairs, not negative examples.
+The policy nominates nearby siblings, prioritizes group structure, and stores complete bundles of applicable relationship types for selected pairs. Hierarchy is preserved separately through `parent`. Missing spatial relationships are unrecorded pairs, not negative examples.
 
 ## Real-image references
 

README.md

@@ -116,9 +116,9 @@ See the [project page](https://github.com/ChartGalaxyPP/ChartGalaxyPlusPlus#thre
 <summary>Exact annotation counts and release notes</summary>
 
 - **Nodes:** 15,591,656 visual elements + 3,088,632 explicit groups + 217,195 implicit roots = 18,897,483.
-- **Relationships:** 18,680,288 parent links + 21,308,862 stored spatial records = 39,989,150. Each chart stores at most 100 spatial records; unrecorded pairs are not negative labels.
+- **Relationships:** 18,680,288 parent links + 21,308,862 stored spatial records = 39,989,150. Unrecorded pairs are not negative labels.
 - `is_near` is Boolean. Positive-area overlaps and containment are excluded; both absolute and relative distance thresholds must hold. The format guide specifies the rule.
-- Annotations are model-produced (`human_gold: false`); the release does not claim that every chart has been independently verified by a human.
+- The 1,000-chart test set, comprising 500 real and 500 synthetic charts, has been manually verified. `human_gold` is true for the test split and false for the training split.
 - Generated replacement illustrations and their affected annotations are included in the main dataset. Historical benchmark packages retain the identities of their evaluated inputs; use their supplied references when inspecting reported results.
 - Real-image references are supplied without checking their current availability. Source pages, direct image URLs, and archive references are distinguished in the format guide.
 

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