Anchor Chain Pitch-Caliber (DIN 766 vs ISO 4565 vs G43) & Windlass Gypsy Mismatch Verifier

Deterministic 10-link cumulative pitch & outside width metrology classifier across DIN 766, EN/ISO 4565, NACM G43 High-Test & BBB gypsy pocket tolerances engine (.json, .pdf) built for Lofrans, Lewmar, Maxwell Marine, Maggi Chains — zero-upload ephemeral Wasm RAM execution.

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