Update paths in .gitignore, cmd, develop, mgmt, sync.sh, check.sh,
fixup.sh, CLAUDE.md, docs/new-project.md, and backend/*.sh scripts.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Platform detection now happens in framework/platform, sourced by both
sync.sh and the node shim. Uses shasum on macOS, sha256sum on Linux.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>