Summary

Part of Phase 3 (C++20 Module Stabilization) from #275.

Update CI/CD pipelines to include module build testing.

Parent Issue

• [MODULE] Phase 3: C++20 Module Stabilization #275 (C++20 Module Stabilization)
• EPIC: [EPIC] C++20 Module Migration - Cross-System Preparation #256

Tasks

• Add module build job to CI workflow
• Configure for supported compilers (Clang 16+, GCC 14+, MSVC 2022)
• Skip module tests on AppleClang (not supported)
• Add module build to release workflow if applicable

Files to Update

• .github/workflows/ci.yml
• .github/workflows/*.yml (as needed)

Acceptance Criteria

• CI runs module builds on supported platforms
• Clear failure reporting for module-related issues
• Non-blocking for AppleClang builds