feat: consumer home app layout overhaul + residence kanban board

Layout & Navigation:
- Tighten max-width to 6xl, adjust padding, add warm gradient overlay
- Add icons to desktop nav links, responsive header height, stronger blur
- Active pill highlight on mobile nav icons
- Fix middleware blocking static assets (logo.png) behind auth

Dashboard restructure:
- Merge quick actions into hero area as inline pills
- Rename "Coming Up" to "Needs Attention", exclude completed tasks
- Promote task cards to #2 with richer card design (2-col grid, colored date badges)
- Drop "Your Homes" to #3 with accent bars and larger icons

Card redesigns:
- Residence cards: accent bar, home icon, warm hover shadow
- Contractor cards: letter avatar, text contact links, separator
- Document cards: type-colored accent bar, restructured footer
- Task cards: warm hover shadow
- Empty states: larger icon container, gradient bg, rounded CTA

Residence detail page:
- Add full kanban board with drag-and-drop for task management
- Add "Add Task" button pre-filling residence on task form
- Replace broken Users stat with Overdue/Completed stats
- Compute task summary from kanban columns (always accurate)

Data accuracy fixes:
- Fix getMyResidences() to fetch kanban data in parallel and compute
  real per-residence task counts instead of hardcoding zeros
- Task form accepts defaultResidenceId prop for pre-filling
- New task page reads residence_id from URL, redirects back after create

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

src/app/demo/app/layout.tsx

@@ -10,10 +10,11 @@ export default function DemoAppLayout({ children }: { children: React.ReactNode
   return (
     <DataProviderProvider value={demoProvider}>
       <div className="min-h-screen bg-background">
+        <div className="pointer-events-none fixed inset-0 bg-gradient-to-br from-primary/[0.02] via-transparent to-brand-clay/[0.02]" />
         <DemoBanner />
         <TopBar />
 
-        <main className="max-w-7xl mx-auto px-6 py-8 lg:py-12 pb-28 md:pb-12">
+        <main className="max-w-6xl mx-auto px-4 sm:px-8 py-6 lg:py-10 pb-28 md:pb-12">
           {children}
         </main>