Update root README — checkpoint-2000 logged

README.md

@@ -111,3 +111,14 @@ https://creativecommons.org/licenses/by-nc/4.0/
 **Epoch:** 0.052
 **Zone:** 📈 Good
 **Status:** Training ongoing — auto-uploaded via train_v12.py
+
+---
+
+### 🔵 Checkpoint — Step 2,000
+**Date:** June 23, 2026 at 09:52 IST
+**Checkpoint:** checkpoint-2000
+**Step:** 2,000 / 40,000 (5.0% complete)
+**Loss:** 0.4383
+**Epoch:** 0.058
+**Zone:** 📈 Good
+**Status:** Training ongoing — auto-uploaded via train_v12.py