Timber & Composite Decking Cupping Sagitta, Expansion-Gap & Clip-Pullout Auditor

Deterministic Card-edge straightness profile across board width for cupping sagitta + inter-board gap variance & tangential moisture-expansion collision model engine (.jpg, .heic, .png, .pdf) built for Trex Decking, TimberTech, SPAX Terrassen, Osmo — zero-upload ephemeral Wasm RAM execution.

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