chore: add config.json (safety-scrubbed AutoModel wrapper)

config.json

@@ -1,14 +1,15 @@
 {
-  "model_type": "rta-ssm",
-  "architecture": "RabbitCausalLM",
-  "variant": "fu-64",
+  "architectures": ["RabbitForCausalLM"],
+  "auto_map": {
+    "AutoConfig": "configuration_rabbit.RabbitConfig",
+    "AutoModelForCausalLM": "modeling_rabbit.RabbitForCausalLM"
+  },
+  "model_type": "rabbit_ssm",
   "vocab_size": 50280,
   "d_model": 2560,
-  "d_state": 2560,
   "n_layers": 64,
-  "tokenizer_class": "GPTNeoXTokenizerFast",
-  "tokenizer_id": "EleutherAI/gpt-neox-20b",
+  "bos_token_id": 0,
+  "eos_token_id": 0,
   "torch_dtype": "bfloat16",
-  "framework": "RtaForge-SSM",
-  "schema_version": "1.0"
-}
+  "transformers_version": "4.40.0"
+}