Update root README — checkpoint-9090 logged

README.md

@@ -243,3 +243,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.263
 **Zone:** 📈 Good
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 9,090
+**Date:** June 25, 2026 at 16:29 IST
+**Checkpoint:** checkpoint-9090
+**Step:** 9,090 / 40,000 (22.7% complete)
+**Loss:** 0.3586
+**Epoch:** 0.266
+**Zone:** 📈 Good
+**Status:** Training ongoing — auto-uploaded via train_v12.py