Fix: vocab_size=947 (BPE base from model.vocab); top-level weights; all compat fixes

config.json

@@ -19,5 +19,5 @@
   "dropout": 0.1,
   "torch_dtype": "float32",
   "transformers_version": "4.48.3",
-  "vocab_size": 32005
+  "vocab_size": 947
 }