Victor Dibia fbda70320d
Ensure ModelInfo field is serialized for OpenAIChatCompletionClient (#5315)
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## Why are these changes needed?

Fix bug where the `model_info` field is not serialized for the
`OpenAIChatCompletionClient` class. This was because the `_raw_config`
field was based on a version of the args that had been sanitized
(model_info removed). We need the full model info field for non-openai
models

```python
from autogen_ext.agents.web_surfer import MultimodalWebSurfer
from autogen_ext.models.openai import OpenAIChatCompletionClient
from autogen_core.models import ModelInfo
mistral_vllm_model = OpenAIChatCompletionClient(
    model="TheBloke/Mistral-7B-Instruct-v0.2-GGUF",
    base_url="http://localhost:1234/v1",
    api_key="empty",
    model_info=ModelInfo(vision=False, function_calling=True, json_output=False, family="unkown"),
)
(mistral_vllm_model.dump_component().model_dump_json())
```

Before
```
{
  "provider": "autogen_ext.models.openai.OpenAIChatCompletionClient",
  "component_type": "model",
  "version": 1,
  "component_version": 1,
  "description": "Chat completion client for OpenAI hosted models.",
  "label": "OpenAIChatCompletionClient",
  "config": {
    "model": "TheBloke/Mistral-7B-Instruct-v0.2-GGUF",
    "api_key": "empty",
    "base_url": "http://localhost:1234/v1"
  }
}

```

After
```
{
  "provider": "autogen_ext.models.openai.OpenAIChatCompletionClient",
  "component_type": "model",
  "version": 1,
  "component_version": 1,
  "description": "Chat completion client for OpenAI hosted models.",
  "label": "OpenAIChatCompletionClient",
  "config": {
    "model": "TheBloke/Mistral-7B-Instruct-v0.2-GGUF",
    "api_key": "empty",
    "model_info": {
      "vision": false,
      "function_calling": true,
      "json_output": false,
      "family": "unkown"
    },
    "base_url": "http://localhost:1234/v1"
  }
}


```
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solves. -->

## Related issue number

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introduced in this PR.
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2025-02-04 05:51:38 +00:00
..

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