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paving_girder / girder tag JSONs in src/main/resources were shadowing the data-generated tags and missing the new iron entries, so the paver could not recognise iron girders. The stale tag files are now removed; the Registrate-generated tag set under src/generated/resources is the single source of truth*_beam) — new plate-style girder blocks for andesite, brass, copper + 3 weathered + 4 waxed copper variants, weathered iron, and copycat, each with encased shaft and strut sub-variants. No Industrial Iron Beam — Industrial Iron is exclusive to the Truss familycreate_metal_girder_strut — a dedicated strut that bridges Create's own vanilla create:metal_girder blocks#createmoregirder:strut) covering all strut blocks, for use by data packs and cross-mod compatibility*_girder → *_truss and *_metal_girder → *_beam (create_metal_girder_strut is unchanged). Display names follow suit (e.g. Brass Girder → Brass Truss, Brass Metal Girder → Brass Beam). Existing 1.x worlds are migrated automatically via Forge's MissingMappingsEvent — placed blocks and stored items survive the rename
Adds 8 unique girder variants to complement the Create mod ecosystem.