default to gemma-3-4b

app.py

@@ -22,6 +22,10 @@ cancel_event = threading.Event()
 # Torch-Compatible Model Definitions with Adjusted Descriptions
 # ------------------------------
 MODELS = {
+    "Gemma-3-4B-IT": {
+        "repo_id": "unsloth/gemma-3-4b-it",
+        "description": "Gemma-3-4B-IT"
+    },
     "Llama-3.2-Taiwan-3B-Instruct": {
         "repo_id": "lianghsun/Llama-3.2-Taiwan-3B-Instruct",
         "description": "Llama-3.2-Taiwan-3B-Instruct"
@@ -38,10 +42,7 @@ MODELS = {
         "repo_id": "Qwen/Qwen2.5-7B-Instruct",
         "description": "Qwen2.5-7B-Instruct"
     },
-    "Gemma-3-4B-IT": {
-        "repo_id": "unsloth/gemma-3-4b-it",
-        "description": "Gemma-3-4B-IT"
-    },
+
     "Phi-4-mini-Instruct": {
         "repo_id": "unsloth/Phi-4-mini-instruct",
         "description": "Phi-4-mini-Instruct"