Make compact view visually distinct; v1.0.9

Add qa-cards--compact class to container when active. Compact mode now
tightens padding, reduces font sizes, hides related questions, and
reduces card gaps — making the density difference obvious.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "1.0.8",
+  "version": "1.0.9",
   "type": "module",
   "scripts": {
     "dev": "vite",