MLX int8 image tower; drop MLX fp32 and XNNPACK int8

mlx/clip_vit_base_patch32_image_mlx_fp32.pte

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:544e0741019d4384b96f32dffd9289a73f5297c8c8d9c0cd12de7976f5bb194e
-size 351466756

xnnpack/clip_vit_base_patch32_image_xnnpack_int8.pte → mlx/clip_vit_base_patch32_image_mlx_int8.pte

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7f00a41218c645cc7b66892f67b187ab4526b2714cfdbd20b84323f4d16e2a98
-size 96351232
+oid sha256:59d414d32f5cd191556bca3eaea222d1e37dd287babfd43f69626f8d34b9e0f1
+size 98200964

mlx/config.json

@@ -0,0 +1,42 @@
+{
+  "$schema": "https://huggingface.co/software-mansion/react-native-executorch-spec/resolve/main/config.schema.json",
+  "model": "clip_vit_base_patch32_vision",
+  "family": "clip",
+  "capabilities": [
+    "image-embedding"
+  ],
+  "backend": "mlx",
+  "license": "mit",
+  "variants": [
+    {
+      "file": "clip_vit_base_patch32_image_mlx_int8.pte",
+      "precision": "int8",
+      "quantized": true,
+      "default": true,
+      "methods": {
+        "forward": {
+          "inputs": [
+            {
+              "shape": [
+                1,
+                3,
+                224,
+                224
+              ],
+              "dtype": "float32"
+            }
+          ],
+          "outputs": [
+            {
+              "shape": [
+                1,
+                512
+              ],
+              "dtype": "float32"
+            }
+          ]
+        }
+      }
+    }
+  ]
+}

xnnpack/config.json

@@ -1,26 +1,20 @@
 {
   "$schema": "https://huggingface.co/software-mansion/react-native-executorch-spec/resolve/main/config.schema.json",
-  "model": "clip_vit_base_patch32",
+  "model": "clip_vit_base_patch32_vision",
   "family": "clip",
   "capabilities": [
-    "text-embedding",
     "image-embedding"
   ],
   "backend": "xnnpack",
   "license": "mit",
-  "tokenizer": "../tokenizer.json",
   "variants": [
     {
-      "file": null,
-      "components": {
-        "image": "clip_vit_base_patch32_image_xnnpack_fp32.pte",
-        "text": "clip_vit_base_patch32_text_xnnpack_fp32.pte"
-      },
+      "file": "clip_vit_base_patch32_image_xnnpack_fp32.pte",
       "precision": "fp32",
       "quantized": false,
       "default": true,
       "methods": {
-        "image": {
+        "forward": {
           "inputs": [
             {
               "shape": [
@@ -41,82 +35,8 @@
               "dtype": "float32"
             }
           ]
-        },
-        "text": {
-          "inputs": [
-            {
-              "shape": [
-                1,
-                77
-              ],
-              "dtype": "int64"
-            }
-          ],
-          "outputs": [
-            {
-              "shape": [
-                1,
-                512
-              ],
-              "dtype": "float32"
-            }
-          ]
-        }
-      }
-    },
-    {
-      "file": null,
-      "components": {
-        "image": "clip_vit_base_patch32_image_xnnpack_int8.pte",
-        "text": "clip_vit_base_patch32_text_xnnpack_fp32.pte"
-      },
-      "precision": "int8",
-      "quantized": true,
-      "default": true,
-      "methods": {
-        "image": {
-          "inputs": [
-            {
-              "shape": [
-                1,
-                3,
-                224,
-                224
-              ],
-              "dtype": "float32"
-            }
-          ],
-          "outputs": [
-            {
-              "shape": [
-                1,
-                512
-              ],
-              "dtype": "float32"
-            }
-          ]
-        },
-        "text": {
-          "inputs": [
-            {
-              "shape": [
-                1,
-                77
-              ],
-              "dtype": "int64"
-            }
-          ],
-          "outputs": [
-            {
-              "shape": [
-                1,
-                512
-              ],
-              "dtype": "float32"
-            }
-          ]
         }
       }
     }
   ]
-}
+}