docs(sw): Dotum default font, Footer design check and real viewer consumer QA

Report docs/sw/sw-dotum-font-2026-10-20.md and evidence docs/sw/sw-dotum-font-qa/: Noto -> Dotum layout diff of 40 SW
Stories x 4 widths, Header hysteresis trace, Footer design items (4 PASS), SW regression runs with baseline failure
classification, and the isolated HMDesignSwTest-viewer run (Chrome 34/34, Firefox 15/15; original project untouched).
Open items: synthesized-bold overflow in fixed Header cells and Footer POLYGON / WIPEOUT labels (design review),
viewer-regression not run, macOS / Linux fallback not verified.

docs/sw/sw-dotum-font-qa/overview/manager-story-order.json

@@ -0,0 +1,12 @@
+[
+  "sw-header--composed-controls",
+  "sw-header--home-menu",
+  "sw-header--home-menu-standalone",
+  "sw-header--document-open",
+  "sw-header--hidden-sub-controls",
+  "sw-header--overview",
+  "sw-header--interactive-states",
+  "sw-header--logo-slot",
+  "sw-header--document-dropdown",
+  "sw-header--responsive-more"
+]