Chimney Flue Creosote Stage 1–3 Glaze & Soot-Thickness Fire-Risk Inspector

Deterministic Flash-backscatter specular gloss vs matte carbon-black albedo classification + inner flue hydraulic-diameter constriction ratio engine (.jpg, .heic, .png, .pdf) built for Schiedel, Jotul, Poujoulat, CSIA Chimney Safety — zero-upload ephemeral Wasm RAM execution.

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