The issue was caused by the `omitempty` tag in the Go struct, which prevented the `temperature` field from being included in the JSON output when it was set to 0.
Signed-off-by: Butui Hu <hot123tea123@gmail.com>
- Introduced a new `FunctionResponse` type to encapsulate function call responses, improving the clarity of data handling.
- Updated the `GeminiPart` struct to include the new `FunctionResponse` field, allowing for better representation of function call results in Gemini requests.
- Modified the `CovertGemini2OpenAI` function to handle tool calls more effectively by setting the message role and appending function responses to the Gemini parts, enhancing the integration with OpenAI and Gemini systems.
- Changed SystemInstructions from *GeminiPart to *GeminiChatContent in GeminiChatRequest for improved structure.
- Updated CovertGemini2OpenAI function to accommodate the new SystemInstructions type, ensuring proper handling of message content.
