feat: redesign homepage with triptych process + admin image management

- Redesign Hero section with new copy focused on the triptych offering
- Add Process component (replaces System) with zigzag layout for 3 pillars:
  Google Maps reviews, managed Facebook, converting website
- Redesign AboutMe with orange background and stats row
- Add admin panel for managing site image URLs (replaces Sanity dependency)
- Create site_images API routes and Supabase-backed storage with defaults
- Update FAQ to reference built-in admin panel
- Add site_images table type to database types
- Pass images prop through homepage components

https://claude.ai/code/session_01V8YAjpqRQ3bfBYsABYsEgo

app/page.tsx

@@ -1,19 +1,19 @@
 import Navbar from "@/components/marketing/Navbar";
 import Hero from "@/components/marketing/Hero";
 import Problematique from "@/components/marketing/Problematique";
-import System from "@/components/marketing/System";
+import Process from "@/components/marketing/Process";
 import DemosLive from "@/components/marketing/DemosLive";
 import AboutMe from "@/components/marketing/AboutMe";
 import FAQ from "@/components/marketing/FAQ";
 import Contact from "@/components/marketing/Contact";
 import Footer from "@/components/marketing/Footer";
-import { getSiteSettings } from "@/lib/sanity/queries";
+import { getSiteImages } from "@/lib/site-images";
 
-// Revalider les données Sanity toutes les 60 secondes
+// Revalider les images toutes les 60 secondes
 export const revalidate = 60;
 
 export default async function LandingPage() {
-  const siteSettings = await getSiteSettings();
+  const images = await getSiteImages();
 
   return (
     <main id="main-content" className="min-h-screen">
@@ -21,19 +21,19 @@ export default async function LandingPage() {
       <Navbar />
 
       {/* Hero - Le Choc Visuel */}
-      <Hero />
+      <Hero images={images} />
 
       {/* La Problématique - L'Identification */}
       <Problematique />
 
-      {/* La Solution HookLab Tech */}
-      <System />
+      {/* Le Triptyque HookLab - Les 3 Piliers */}
+      <Process images={images} />
 
       {/* Démos Live - 3 Dossiers de Confiance */}
-      <DemosLive />
+      <DemosLive images={images} />
 
-      {/* Qui suis-je - Ancrage Local (Sanity) */}
-      <AboutMe settings={siteSettings} />
+      {/* Qui suis-je - Ancrage Local */}
+      <AboutMe images={images} />
 
       {/* FAQ - Objections */}
       <FAQ />