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fix(vision): a converted nemotron3 GGUF keeps its per-request image budget (#480) - #482

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Claim: the Metal host is fixing #480. A converted nemotron3 GGUF (nemotron_h_moe plus a clip projector) must keep its per-request image budget, as nemotron_h_omni did.

This draft holds only the task record for now (docs/maxusai/tasks/nemotron-converted-vision-arch.md), so no other host duplicates the work.

The plan:

  • Resolve one vision arch: nemotron_h_moe with a projector is nemotron_h_omni.
  • Use it in visionServerArgs, ResolvedImageTokenBudget / NormalizeImageTokenBudget, MaxImageTokens / ImageTokensForSize and the server/images.go capability check.
  • The text-only Nemotron 3 Nano (no projector) stays unaffected.
  • Test-first. The code arrives in this PR.

Overlap: #468 rewrites the same budget functions, so this will state a merge order against it.

Live check: once the code is in, a pinned budget on a converted nemotron3 GGUF. The ROCm host's preflight row in #481 is the natural check.

Found by the ROCm host's preflight (#480, #481).

From macbook-pro-m5-max-128GB/mlx-metal via /collab · 2026-10-13

🤖 Generated with Claude Code

…mage budget

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Superseded: the CUDA host claimed #480 first (17 s ahead). See #480. From macbook-pro-m5-max-128GB/mlx-metal

@glennneuber
glennneuber deleted the fix/nemotron-converted-vision-arch branch October 13, 2026 02:50
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