Add Core ML INT4 model for on-device iOS inference

.gitattributes

@@ -33,3 +33,4 @@ 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
+tokenizer/tokenizer.json filter=lfs diff=lfs merge=lfs -text

phi4mini-float16.mlpackage/Data/com.apple.CoreML/model.mlmodel

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phi4mini-float16.mlpackage/Manifest.json

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phi4mini-task-assistant.mlpackage/Data/com.apple.CoreML/model.mlmodel

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phi4mini-task-assistant.mlpackage/Manifest.json

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tokenizer/chat_template.jinja

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+{% for message in messages %}{% if message['role'] == 'system' and 'tools' in message and message['tools'] is not none %}{{ '<|' + message['role'] + '|>' + message['content'] + '<|tool|>' + message['tools'] + '<|/tool|>' + '<|end|>' }}{% else %}{{ '<|' + message['role'] + '|>' + message['content'] + '<|end|>' }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ '<|assistant|>' }}{% endif %}

tokenizer/special_tokens_map.json

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+}

tokenizer/tokenizer.json

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tokenizer/tokenizer_config.json

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+{
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+  "backend": "tokenizers",
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+  "chat_template": "{% for message in messages %}{% if message['role'] == 'system' and 'tools' in message and message['tools'] is not none %}{{ '<|' + message['role'] + '|>' + message['content'] + '<|tool|>' + message['tools'] + '<|/tool|>' + '<|end|>' }}{% else %}{{ '<|' + message['role'] + '|>' + message['content'] + '<|end|>' }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ '<|assistant|>' }}{% endif %}",
+  "clean_up_tokenization_spaces": false,
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+  "model_max_length": 131072,
+  "pad_token": "<｜PAD▁TOKEN｜>",
+  "padding_side": "left",
+  "tokenizer_class": "PreTrainedTokenizerFast",
+  "unk_token": "�"
+}