Typo Plus Jakarta Sans + renommage libreDecision + mode démo prod + seed mandats

- Fonte : Nunito → Plus Jakarta Sans (moderne, ronde sans être toy)
- Logo : ğ(Decision) → libreDecision (libre italic/muted + Decision bold)
- Footer et watermark DocumentPreview mis à jour
- Mode démo : DEMO_MODE flag dans config.py + auth.py (profils rapides en prod)
- docker-compose : ENVIRONMENT=production explicite + DEMO_MODE=true par défaut
- Seed : +décision Licence G1 v0.4.0, +3 mandats (ComTech, Admin Forgerons, Modération)
  runner 7→10 étapes, import Mandate/MandateStep ajouté

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

frontend/app/app.vue

@@ -108,7 +108,7 @@ function isActive(to: string) {
                 <UIcon name="i-lucide-gavel" class="app-header__logo-icon" />
               </span>
               <span class="app-header__logo-text">
-                <span class="app-header__logo-g">ğ</span><span class="app-header__logo-paren">(</span><span class="app-header__logo-word">Decision</span><span class="app-header__logo-paren">)</span>
+                <span class="app-header__logo-libre">libre</span><span class="app-header__logo-decision">Decision</span>
               </span>
             </NuxtLink>
           </div>
@@ -262,7 +262,7 @@ function isActive(to: string) {
 
       <!-- Footer -->
       <footer class="app-footer">
-        <span>ğ(Decision) v0.1.0</span>
+        <span>libreDecision v0.1.0</span>
         <span class="app-footer__sep">·</span>
         <span>Licence libre</span>
       </footer>
@@ -361,24 +361,17 @@ function isActive(to: string) {
   display: flex;
   align-items: baseline;
   gap: 0;
+  letter-spacing: -0.01em;
 }
 
-.app-header__logo-g {
-  font-size: 1.5rem;
-  font-weight: 800;
-  color: var(--mood-accent);
-  line-height: 1;
+.app-header__logo-libre {
+  font-size: 1.0625rem;
+  font-weight: 400;
   font-style: italic;
-}
-
-.app-header__logo-paren {
-  font-size: 1.125rem;
-  font-weight: 300;
   color: var(--mood-text-muted);
-  opacity: 0.5;
 }
 
-.app-header__logo-word {
+.app-header__logo-decision {
   font-size: 1.125rem;
   font-weight: 700;
   color: var(--mood-text);

frontend/app/assets/css/moods.css

@@ -1,5 +1,5 @@
 /* ==========================================================================
-   ğ(Decision) — Mood / Ambiance System
+   libreDecision — Mood / Ambiance System
    Palettes harmoniques variees, colores en lite, lumineux en dark.
    ========================================================================== */
 
@@ -144,7 +144,7 @@
 }
 
 /* ==========================================================================
-   Global design tokens — Nunito, rounded, borderless
+   Global design tokens — Plus Jakarta Sans, rounded, borderless
    ========================================================================== */
 
 *,
@@ -154,12 +154,12 @@
 }
 
 html {
-  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
+  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
   font-size: 16px;
 }
 
 body {
-  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
+  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
   transition: background-color 0.3s ease, color 0.3s ease;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
@@ -234,7 +234,7 @@ input:focus, select:focus, textarea:focus {
 :root [class*="u-button"],
 :root [data-variant] {
   border: none !important;
-  font-family: 'Nunito', system-ui, sans-serif !important;
+  font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
 }
 
 :root input,
@@ -244,5 +244,5 @@ input:focus, select:focus, textarea:focus {
 :root [class*="USelect"],
 :root [class*="UTextarea"] {
   border: none !important;
-  font-family: 'Nunito', system-ui, sans-serif !important;
+  font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
 }

frontend/app/components/documents/DocumentPreview.vue

@@ -121,7 +121,7 @@ const today = new Date().toLocaleDateString('fr-FR', {
     <!-- ══ Footer ══ -->
     <div class="doc-preview__footer">
       <div class="doc-preview__footer-main">
-        <span>ğ(Decision) · {{ document.title }} · v{{ document.version }}</span>
+        <span>libreDecision · {{ document.title }} · v{{ document.version }}</span>
       </div>
       <div v-if="mode === 'projected'" class="doc-preview__footer-note">
         Projection non officielle — texte simulé selon {{ changedCount }} vote{{ changedCount > 1 ? 's' : '' }} en cours au {{ today }}

frontend/nuxt.config.ts

@@ -29,7 +29,7 @@ export default defineNuxtConfig({
       link: [
         { rel: 'preconnect', href: 'https://fonts.googleapis.com' },
         { rel: 'preconnect', href: 'https://fonts.gstatic.com', crossorigin: '' },
-        { rel: 'stylesheet', href: 'https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,700;1,800&display=swap' },
+        { rel: 'stylesheet', href: 'https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,500;1,600;1,700&display=swap' },
         { rel: 'stylesheet', href: 'https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css' },
       ],
       script: [