style(sw): viewer popup typography, 전체 레이어 title and options layout

- Property popup: row labels 14px 500, read-only values 14px in the panel text
  color, monospace removed; 일반 정보 / 기하 속성 groups 20px apart
  (--hm-sw-viewer-panel-spacing on the second section).
- Layer popup: 전체 레이어 is a plain SWViewerSection title (existing
  .hm-sw-viewer-section__title) with the all-layers switch on the same row;
  layer names 14px 500, no monospace.
- Options popup follows the user image: 표시 (LWDISPLAY), 표시 배율 with the
  px/mm unit on the input row, updated lineweight hints.
- Remove stray monospace font-family from SW Story CSS.
- VIEWER.md §4.1 / new §4.2, DESIGN_RULES §11, Example H aligned.

src/sw/sw-footer-stories.css

@@ -24,7 +24,7 @@
 .sw-footer-story-guide-frame { display: block; width: 194px; height: 111px; background-repeat: no-repeat; background-size: 250px 1179px; }
 .sw-footer-story-guide-text { display: grid; place-items: center; height: 100%; padding: 8px; font-size: 12px; color: #d4cbbd; text-align: center; }
 .sw-footer-story-lucide { display: grid; place-items: center; }
-.sw-footer-story-status { padding: 0 12px; font-size: 12px; color: #d4cbbd; font-family: ui-monospace, monospace; }
+.sw-footer-story-status { padding: 0 12px; font-size: 12px; color: #d4cbbd; }
 .sw-footer-story-row { display: flex; align-items: flex-start; gap: 16px; }
 .sw-footer-story-row--tight { gap: 0; }
 .sw-footer-story-inline { display: inline-flex; flex-direction: column; padding: 0; }