Add CMake clang-tidy integration, enable in CI, and fix all clang-tidy errors#30

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Copilot wants to merge 22 commits intomainfrom

copilot/add-cmake-flag-clang-tidy

Commits on Feb 23, 2026

Initial plan
Copilot
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Add CLANG_TIDY CMake option and enable it in CI

Copilot
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achamayou
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Remove CodeQL build artifacts and add them to .gitignore

Copilot
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achamayou
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Merge branch 'main' into copilot/add-cmake-flag-clang-tidy
achamayou
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Apply suggestion from @achamayou
achamayou
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Add .clang-tidy config with all checks, warnings as errors, and FormatStyle file

Copilot
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achamayou
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Curate .clang-tidy checks: enable sensible categories, exclude project/company-specific ones

Copilot
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achamayou
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Fix clang-tidy errors in test/demo_tree.cpp

Copilot
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Copilot
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Fix clang-tidy errors in test/time_large_trees.cpp

Copilot
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Copilot
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Fix clang-tidy warnings in test/flush.cpp

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Copilot
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Fix clang-tidy errors in test/paths.cpp

Copilot
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Copilot
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Fix clang-tidy errors in test/retract.cpp

Copilot
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Copilot
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Fix clang-tidy warnings in test/past_root.cpp

Copilot
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Copilot
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Fix all clang-tidy errors in test/past_paths.cpp

Copilot
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Copilot
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Fix clang-tidy errors in test/serialisation.cpp

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Copilot
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Fix clang-tidy errors in test/partial_serialisation.cpp

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Copilot
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Fix clang-tidy errors in test/serialise_to_file.cpp

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Copilot
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Fix all clang-tidy errors: update .clang-tidy config and fix code issues

Copilot
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achamayou
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Restore retract_to(max_index()) test in retract.cpp with corrected assertion

Copilot
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achamayou
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Add CI step to run clang-tidy on merklecpp.h and fix all errors

Copilot
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achamayou
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Commits on Mar 2, 2026

Fix remaining clang-tidy errors in OpenSSL code paths

Copilot
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achamayou
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Commits on Mar 17, 2026

Fix implicit widening multiplication in Debug builds

Copilot
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achamayou
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