feat(parity): bind QUADBIN/TQUADBIN cell index types; bump MEOS pin to d94af2d2c9#203
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…o d94af2d2c9 Registers QUADBIN as a BIGINT alias and TQUADBIN as a BLOB-backed temporal type. Exposes quadbinTileToCell, quadbinCellToTileX/Y/Z, quadbinGetResolution, quadbinIsValidCell, tquadbin (instant constructor), startValue, endValue, valueN, values, valueAtTimestamp, and cellToQuadkey, all routed through the serial MEOS executor. Advances the vcpkg MEOS pin to ecosystem-pin-2026-06-16g (d94af2d2c9), the first pin that carries the QUADBIN family in the public MEOS surface (meos_quadbin.h).
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Binds the CARTO Web-Mercator DGGS cell index family from MobilityDB PR #1210. QUADBIN is a BIGINT alias for the 64-bit uint64 cell ID; TQUADBIN is the temporal cell index stored as a BLOB. The static-cell surface exposes quadbinTileToCell, quadbinCellToTileX/Y/Z, quadbinGetResolution, and quadbinIsValidCell. The temporal surface exposes the tquadbin constructor plus startValue, endValue, valueN, values, valueAtTimestamp, and cellToQuadkey. The vcpkg MEOS pin advances to 50fef5bd0b, which carries the QUADBIN source tree and MeosType catalog entries (T_QUADBIN=78, T_QUADBINSET=79, T_TQUADBIN=80) required for the temporal machinery. The name mapping follows the camelCase rule: MEOS snake_case symbols map one-for-one to camelCase DuckDB names with no hand-picked deviations.