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Account for file images in context budgets and Guardian reviews - #46072
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copyberry[bot] merged 1 commit intoSep 17, 2026
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## Why File images contributed zero to history and compaction token estimates and were dropped from Guardian context. This undercounted context usage and omitted image evidence from reviews. ## What changed - Estimate file images using the fixed resized-image cost, or 10,000 patch tokens for `original` detail because file references do not expose dimensions. - Charge file images against remote compaction and Guardian request budgets. - Preserve file images from user messages and tool outputs through Guardian selection and delivery, and deduplicate review images by file ID. - Apply transcript image count and byte limits to both reference types, counting file ID bytes rather than referenced file contents. ## Testing Add coverage for file-image estimates, selection limits, delivery, and compaction retention. Extend Guardian tests to verify file-image evidence reaches reviews and uploaded original-detail images trigger reviewer-history compaction. GitOrigin-RevId: ee024204dcbe16e277fea9347c6a4d7fc120e18d
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Account for file images in context budgets and Guardian reviews
Why
File images contributed zero to history and compaction token estimates and were dropped from Guardian context. This undercounted context usage and omitted image evidence from reviews.
What changed
originaldetail because file references do not expose dimensions.Testing
Add coverage for file-image estimates, selection limits, delivery, and compaction retention. Extend Guardian tests to verify file-image evidence reaches reviews and uploaded original-detail images trigger reviewer-history compaction.