Update CLAUDE.md with CI documentation

Dan Notesteinrequested to merge
update-claude-md into main

Summary

Update CLAUDE.md to document the new CI pipeline added in MR !5 (merged).

Changes

  • Updated CI/CD section with pipeline structure and timing
  • Added Emscripten/WASM build documentation
  • Updated test list to show which tests run in CI vs additional tests

Test plan

  • Pipeline passes

Merge request reports