feat: initialisation complète du CORE ProxmoxPanel

Backend Go 1.23+ :
- API REST + WebSocket (chi, gorilla/websocket)
- Authentification PAM via SSH + JWT RS256
- Chiffrement AES-256-GCM pour secrets SQLite
- Pool SSH, client Proxmox REST, hub WebSocket pub/sub
- Système de modules compilés à initialisation conditionnelle
- Audit log, migrations SQLite versionnées

Frontend Vue 3 + Vite + TypeScript :
- Thème Neumorphism sombre/clair (CSS custom properties)
- Wizard d'installation, Dashboard drag-drop, Terminal xterm.js
- Toutes les vues CORE + stubs modules optionnels
- i18n EN/FR (vue-i18n v11)

Infrastructure :
- Docker multi-stage (Go → alpine, Node → nginx)
- docker-compose.yml, .gitattributes, LICENSE MIT, README

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

frontend/src/App.vue

@@ -0,0 +1,49 @@
+<template>
+  <!-- Applique le thème (dark/light) et la position de la sidebar via data-attributes -->
+  <div
+    :data-theme="uiStore.theme"
+    :data-sidebar="uiStore.sidebarPosition"
+    class="app-root"
+  >
+    <RouterView />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { onMounted } from 'vue'
+import { RouterView } from 'vue-router'
+import { useUiStore } from '@/stores/ui.store'
+import { useAuthStore } from '@/stores/auth.store'
+
+const uiStore = useUiStore()
+const authStore = useAuthStore()
+
+onMounted(async () => {
+  // Restaurer le thème depuis localStorage
+  uiStore.initTheme()
+
+  // Tenter de restaurer la session (refresh token via cookie httpOnly)
+  await authStore.tryRefresh()
+})
+</script>
+
+<style>
+/* Reset minimal — pas de framework CSS externe */
+*, *::before, *::after {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+html, body, #app, .app-root {
+  height: 100%;
+  min-height: 100vh;
+}
+
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
+  font-size: 14px;
+  line-height: 1.5;
+  transition: background-color 0.3s ease, color 0.3s ease;
+}
+</style>