Update root README — checkpoint-39000 logged

README.md

@@ -859,3 +859,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.000
 **Zone:** ⚠️ Overfit Risk
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 39,000
+**Date:** July 09, 2026 at 14:54 IST
+**Checkpoint:** checkpoint-39000
+**Step:** 39,000 / 40,000 (97.5% complete)
+**Loss:** 0.3616
+**Epoch:** 1.140
+**Zone:** 📈 Good
+**Status:** Training ongoing — auto-uploaded via train_v12.py