Plan: ruff for Python3, clang-format (LLVM/4-space/Attach) for C/C++, called via new /api/format_code endpoint before submission. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Plan: ruff for Python3, clang-format (LLVM/4-space/Attach) for C/C++, called via new /api/format_code endpoint before submission. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>