Update root README — checkpoint-26000 logged

README.md

@@ -606,3 +606,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.731
 **Zone:** ⚠️ Overfit Risk
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 26,000
+**Date:** July 01, 2026 at 08:42 IST
+**Checkpoint:** checkpoint-26000
+**Step:** 26,000 / 40,000 (65.0% complete)
+**Loss:** 0.0775
+**Epoch:** 0.760
+**Zone:** ⚠️ Overfit Risk
+**Status:** Training ongoing — auto-uploaded via train_v12.py