Add Gemma 4 LiteRT model

.gitattributes

@@ -33,6 +33,7 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+*.litertlm filter=lfs diff=lfs merge=lfs -text
 aura-chat-1b-int4.litertlm filter=lfs diff=lfs merge=lfs -text
 aura-vision-2b-int4.litertlm filter=lfs diff=lfs merge=lfs -text
 AURA_logo_new_black.png filter=lfs diff=lfs merge=lfs -text

aura-gemma-4-e2b-it.litertlm

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:181938105e0eefd105961417e8da75903eacda102c4fce9ce90f50b97139a63c
+size 2588147712

model_allowlist.json

@@ -69,6 +69,25 @@
         "accelerators": "cpu"
       },
       "taskTypes": ["llm_chat", "llm_prompt_lab"]
+    },
+    {
+      "name": "Gemma-4-E2B-it",
+      "modelId": "litert-community/gemma-4-E2B-it-litert-lm",
+      "modelFile": "aura-gemma-4-e2b-it.litertlm",
+      "description": "A LiteRT-LM variant of [Gemma 4 E2B IT](https://huggingface.co/litert-community/gemma-4-E2B-it-litert-lm) saved under an AURA-friendly filename for on-device text generation.",
+      "sizeInBytes": 2588147712,
+      "estimatedPeakMemoryInBytes": 1817370624,
+      "minDeviceMemoryInGb": 8,
+      "commitHash": "main",
+      "url": "https://huggingface.co/litert-community/gemma-4-E2B-it-litert-lm/resolve/main/aura-gemma-4-e2b-it.litertlm?download=true",
+      "defaultConfig": {
+        "topK": 64,
+        "topP": 0.95,
+        "temperature": 1.0,
+        "maxTokens": 4096,
+        "accelerators": "cpu,gpu"
+      },
+      "taskTypes": ["llm_chat", "llm_prompt_lab"]
     }
   ]
 }