Update Llm Configuration

Update an LLM configuration by ID.

This endpoint:

• Requires API key or session authentication
• Validates that the new secret_id (if provided) belongs to the user's space
• Updates only the provided fields

Args: service: Injected LLM configuration service config_id: The ID of the LLM configuration to update payload: Request containing fields to update

Returns: Response with the updated LLM configuration

Raises: 400 Bad Request: If user doesn't have an associated space or secret is invalid 404 Not Found: If the configuration doesn't exist