Image Describe Workflow
- If the user provides a local path, upload to a short-lived public URL (or use
file://if client supports). - Call
understandtool withmedia_urls=[url]andprompt="Describe this image in 3 paragraphs: visual composition, subjects, notable details." - Use
provider="gemini"andtier="rich"by default for best quality. - Return the text response with the model ID for attribution.