Update root README — checkpoint-10000 logged

README.md

@@ -276,3 +276,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.291
 **Zone:** 📈 Good
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 10,000
+**Date:** June 26, 2026 at 00:23 IST
+**Checkpoint:** checkpoint-10000
+**Step:** 10,000 / 40,000 (25.0% complete)
+**Loss:** 0.2685
+**Epoch:** 0.292
+**Zone:** 📈 Good
+**Status:** Training ongoing — auto-uploaded via train_v12.py