fix: mobile responsiveness across all pages

- SiteNav: add horizontal scroll for 8 tabs on mobile
- NotificationCenter: full-width dropdown on mobile
- ContentStats/Locations/TechSpecs: scrollable tab bars
- FrustrationTable: fix selector text overflow
- FrustrationByPageTable: horizontal scroll on mobile
- CDN: better stat card grid breakpoints
- Home: reduce stat card height, prevent button wrap
- Billing: shorter invoice labels on mobile
- Bump @ciphera-net/ui to 0.2.6 (AppLauncher mobile fix)

components/behavior/FrustrationByPageTable.tsx

@@ -45,7 +45,7 @@ export default function FrustrationByPageTable({ pages, loading }: FrustrationBy
       {loading ? (
         <SkeletonRows />
       ) : hasData ? (
-        <div>
+        <div className="overflow-x-auto -mx-6 px-6">
           {/* Header */}
           <div className="flex items-center justify-between px-2 -mx-2 mb-2 text-xs font-medium text-neutral-400 dark:text-neutral-500 uppercase tracking-wider">
             <span>Page</span>
@@ -72,7 +72,7 @@ export default function FrustrationByPageTable({ pages, loading }: FrustrationBy
                     style={{ width: `${barWidth}%` }}
                   />
                   <span
-                    className="relative text-sm text-neutral-900 dark:text-white truncate max-w-[300px]"
+                    className="relative text-sm text-neutral-900 dark:text-white truncate max-w-[200px] sm:max-w-[300px]"
                     title={page.page_path}
                   >
                     {page.page_path}

components/behavior/FrustrationTable.tsx

@@ -81,7 +81,7 @@ function Row({
   return (
     <div className="flex items-center justify-between h-9 group hover:bg-neutral-50 dark:hover:bg-neutral-800 rounded-lg px-2 -mx-2 transition-colors">
       <div className="flex-1 min-w-0">
-        <div className="flex items-center gap-2">
+        <div className="flex items-center gap-2 min-w-0 overflow-hidden">
           <SelectorCell selector={item.selector} />
           <span
             className="text-xs text-neutral-400 dark:text-neutral-500 truncate shrink-0"