Add include guard to unit_color to fix multiple-definition build errors #1

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avengerdsf wants to merge 1 commit into v1.2 from codex/optimize-code-and-reduce-file-count

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avengerdsf commented Jan 27, 2026

Motivation

Prevent multiple-definition linker/compile errors caused by unit_color.h being included from multiple translation units by adding an include guard.

Description

Add #pragma once to include/unit_color.h so the color constants are defined only once when headers are included across multiple source files.

Testing

Ran cmake -S . -B build_new which configured successfully; cmake --build build_new completed and produced the main_toolbox binary; running ./build_new/main_toolbox started the interactive menu (process required interactive input and was terminated).


          Add include guard to unit_color

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avengerdsf added the codex label

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