Module gemini 

Google Gemini adapter.

Converts the internal Chat Completions format to the Gemini generateContent API and maps responses back.

Key differences from OpenAI Chat Completions:

• Uses contents array with parts instead of messages
• System instruction is a separate top-level field
• Tool calls use functionCall / functionResponse
• Endpoint: https://generativelanguage.googleapis.com/v1beta/models/{model}:generateContent

Structs

GeminiAdapter

Adapter for the Google Gemini generateContent API.

Functions

gemini_api_url

Build the full Gemini API URL for a given model.