Sprint 5 : integration et production -- securite, performance, API publique, documentation

Backend: rate limiter, security headers, blockchain cache service avec RPC,
public API (7 endpoints read-only), WebSocket auth + heartbeat, DB connection
pooling, structured logging, health check DB. Frontend: API retry/timeout,
WebSocket auth + heartbeat + typed events, notifications toast, mobile hamburger
+ drawer, error boundary, offline banner, loading skeletons, dashboard enrichi.
Documentation: guides utilisateur complets (demarrage, vote, sanctuaire, FAQ 30+),
guide deploiement, politique securite. 123 tests, 155 fichiers.

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

frontend/nuxt.config.ts

@@ -14,8 +14,15 @@ export default defineNuxtConfig({
     head: {
       htmlAttrs: { lang: 'fr' },
       meta: [
-        { name: 'viewport', content: 'width=device-width, initial-scale=1' },
+        { name: 'viewport', content: 'width=device-width, initial-scale=1, maximum-scale=5' },
         { name: 'description', content: 'Plateforme de decisions collectives pour la communaute Duniter/G1' },
+        { name: 'theme-color', content: '#16a34a' },
+        { name: 'apple-mobile-web-app-capable', content: 'yes' },
+        { name: 'apple-mobile-web-app-status-bar-style', content: 'default' },
+        { name: 'mobile-web-app-capable', content: 'yes' },
+        { property: 'og:title', content: 'Glibredecision' },
+        { property: 'og:description', content: 'Decisions collectives pour la communaute Duniter/G1' },
+        { property: 'og:type', content: 'website' },
       ],
       title: 'Glibredecision',
       link: [
@@ -28,7 +35,10 @@ export default defineNuxtConfig({
   },
   runtimeConfig: {
     public: {
-      apiBase: 'http://localhost:8002/api/v1',
+      apiBase: process.env.NUXT_PUBLIC_API_BASE || 'http://localhost:8002/api/v1',
     },
   },
+  nitro: {
+    compressPublicAssets: true,
+  },
 })