[cherry-pick] Replace images with placeholders in summarization prompt#309727
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vs-code-engineering[bot] wants to merge 1 commit intorelease/1.116from
Open
[cherry-pick] Replace images with placeholders in summarization prompt#309727vs-code-engineering[bot] wants to merge 1 commit intorelease/1.116from
vs-code-engineering[bot] wants to merge 1 commit intorelease/1.116from
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Cherry-pick of #309643 from
main.Problem
Gemini models hit "Too many images in request: 11 images provided, but the model supports a maximum of 10 images" during foreground, background, and inline summarization (~29 events in 3 days across gemini-3.1-pro-preview and gemini-3-flash-preview).
Root Cause
The summarization prompt renders the full conversation history including all image content parts (user-attached images and tool-result screenshots). When a conversation accumulates >10 images, Gemini rejects the request.
Fix
Replaces
Imagecontent parts with a[Image was attached]text placeholder.