Update root README — checkpoint-24000 logged

README.md

@@ -584,3 +584,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.697
 **Zone:** 🎯 Sweet Spot
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 24,000
+**Date:** June 30, 2026 at 16:27 IST
+**Checkpoint:** checkpoint-24000
+**Step:** 24,000 / 40,000 (60.0% complete)
+**Loss:** 0.0595
+**Epoch:** 0.701
+**Zone:** ⚠️ Overfit Risk
+**Status:** Training ongoing — auto-uploaded via train_v12.py