feishu-send-message-as-appSend a Feishu IM message as the app (bot identity). Use when you need to send a message that appears to come from the bot/app, not the user. Uses App Access...
feishu-upload-imageUpload a local image to Feishu and get its image_key. Use when you need to send an image via Feishu IM but first need the image_key returned by the upload AP...