fix(nav): Réseaux AEP + Leaflet CSS global + double rAF NavMap + chips V2

- app.vue : "Agences Inspirantes" → "Réseaux AEP" (desktop + mobile)
- nuxt.config.ts : Leaflet/MarkerCluster CSS global + Vite cacheDir AppData
- NavMap.vue : double requestAnimationFrame avant initMap (même fix NavMapV2)
- NavSidebar.vue : tags → style chip rounded-full comme V2

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

components/NavSidebar.vue

@@ -125,8 +125,8 @@
             <span
               v-for="fn in orgFonctions(org)"
               :key="fn"
-              class="px-1.5 py-0.5 rounded text-xs"
-              style="background: var(--nav-bg-alt); color: var(--nav-text-muted);"
+              class="px-2 py-0.5 rounded-full text-xs font-medium"
+              style="background: var(--nav-bg-alt); color: var(--nav-text-muted); border: 1px solid var(--nav-bg-alt); letter-spacing: 0.01em;"
             >{{ fn }}</span>
           </div>
           <div v-if="org.localisation_ville" class="mt-0.5 text-xs" style="color: var(--nav-text-muted);">