Reorganize src/common per issue #5963: move building blocks under
primitives/ and services/integration under runtime/. Preserve existing
common/* import paths via TypeScript path mapping. Add src/ARCHITECTURE.md
documenting modules and goals.
Fix two relative imports broken by the directory depth change.
Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>
Remove unnecessary unawaited setViewportSize from ProgressAddon tests,
which was the line reported in flaky CI failures. Use serial mode and
scoped hooks per Playwright shared-page guidance, and guard afterAll
teardown when setup fails.
Fixes#5956
Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>