Imports github.com/google/generative-ai-go/genai github.com/line/line-bot-sdk-go/v8/linebot github.com/line/line-bot-sdk-go/v8/linebot/messaging_api github.com/line/line-bot-sdk-go/v8/linebot/webhook google.golang.org/api/option Standard library imports context fmt io log net/http os