[blackcat]

Moves gpu-test onto the v3 block structure with its mandatory kind, and the model onto BlockModelV3.

• Structure v3: kind/ package, refreshed configs and CI workflows
• upgrade-sdk: SDK to latest (model/ui-vue 1.88.0, test 1.88.2, ts-builder 1.7.3, package-builder 3.16.3), @platforma-sdk/block-kind 1.1.0, vue 3.5.44 (the version ui-vue 1.88 depends on)
• Kind contract BlockParams = { matrixSize, gpuMemory, cpu, mem }, checked at runtime by parseInitializationParams. The seed is left out: it only makes a run unique.
• Model on BlockModelV3: DataModelBuilder({ kind }) with upgradeLegacy from the V1 args, init(({ params }) => …), and .templateParams as its inverse. The args shape is unchanged, so the workflow is untouched.
• UI on defineAppV3, bindings moved from app.model.args to app.model.data
• Changesets: minor for the model, ui and the block

turbo run build (11/11), pnpm install --frozen-lockfile and block-tools structure check pass locally.

[greptile-apps]

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