Test-only approval commit after the c73f043 main merge (sw-test-regression-
baseline section 9); no protected path changes, no Story change.
- approvedMainCommit c1a69a4 -> c73f043.
- public-api.approved.json from the clean c73f043 build: 170 exports, 42
declaration files and the manifest kept; only comment changes in
SWRecentFiles / home-menu types / viewer types .d.ts.
- docs/sw/sw-doc-alignment-merge-2026-10-21.md: changes and verification.
