Update root README — checkpoint-23831 logged

README.md

@@ -562,3 +562,25 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.672
 **Zone:** 📈 Good
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 23,828
+**Date:** June 30, 2026 at 12:51 IST
+**Checkpoint:** checkpoint-23828
+**Step:** 23,828 / 40,000 (59.6% complete)
+**Loss:** 0.2647
+**Epoch:** 0.696
+**Zone:** 📈 Good
+**Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 23,831
+**Date:** June 30, 2026 at 14:50 IST
+**Checkpoint:** checkpoint-23831
+**Step:** 23,831 / 40,000 (59.6% complete)
+**Loss:** 0.1715
+**Epoch:** 0.697
+**Zone:** 🎯 Sweet Spot
+**Status:** Training ongoing — auto-uploaded via train_v12.py