Álvaro González 1d339653d5 feat: add formula data classes with strict JSON parsing ... - Add VariableSpec class with magnitude field validation - Add Formula class supporting multiple input/output variables - Support d4rt_code as string or object with code field - Add comprehensive tests for parsing and serialization - Fix broken test import in pruebas_d4rt_test.dart Follows README.md format requirements exactly		2025-08-21 17:15:00 +02:00
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8d932c2ff947f07436c8ef4c6cbd7f6d.unlinked2	feat: add formula data classes with strict JSON parsing	2025-08-21 17:15:00 +02:00