Update README with 00_core_data section

README.md

@@ -23,6 +23,16 @@ It is intended for researchers in cognitive sciences, AI ethics, sociology, and
 
 ## Dataset Structure
 
+### `00_core_data/` (Core JSON Data)
+Machine-readable structured data extracted from the live application (v19.23ae).
+- `concepts.json` — 242 cleaned concept labels across all 5 graphs
+- `tension_axes.json` — The 16 tension axes and their poles (FR + EN)
+- `hexagram_synthesis.json` — Summary: version, counts, 16 axes, 6 meta-tensions
+- `graphs_descriptions.json` — Titles and descriptions of the 5 graphs (G1–G5)
+- `graph_modal_data_raw.js` — Raw modal data from the application
+
+
+
 The dataset is organized into 5 main directories:
 
 ### `01_integrations_penseurs/` (Thinker Integrations)