The data URI returned from the tool was being given to the LLM as the
tool result — the LLM then either echoed the base64 to the user as
plain text (screenshot 1) or hallucinated a description of what it
thought the image looked like (screenshot 2 — "an image of a cat
sitting on a windowsill" for a fox-warrior prompt).
Fix: push the markdown image into the chat directly via
__event_emitter__ as a "message" event, and return a short text
confirmation as the function value. The confirmation is worded to
prevent the LLM from describing the image or repeating the markdown
(both common failure modes for tool-using LLMs).
Both generate_image and edit_image fixed.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
57_WolveandClaude Opus 4.7
4d996e1205