feat: PC3 mindmap Carte O (D3 force-directed) + scrape AEP/Articles + tabs centre HAUT

- scripts/build-carte-o.js : scan recursif AEP/Articles/, parse YAML + legacy header, extract wikilinks, infer 5 famille
- src/components/vue/CarteO.vue : D3 v7 force-directed avec drag, zoom + pan, click handler, tooltips, ResizeObserver
- src/components/vue/CarteOModal.vue : modal recap intention avec Teleport, Esc + backdrop close, transitions
- src/components/vue/CarteOWrapper.vue : fetch /data/carte-o.json, etat selectionne, fallback mobile (msg + miniature SVG)
- src/components/astro/ColCentre.astro : tabs Carte O / Chatbot, panneaux ARIA
- package.json : prebuild + predev hooks, build:carte-o script
- public/data/carte-o.json : 84 nodes / 94 edges sur 21 themes, distribution familles equilibree

Drill-down V1 = zoom + pan seul (V2 recursif backlog).
Pattern adapte de nav-carte/components/codev/CodevGraph.vue (sans coupling Nuxt).
Build Astro 6.3.1 OK, bundle CarteOWrapper 69KB.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/vue/CarteOModal.vue

@@ -0,0 +1,215 @@
+<script setup lang="ts">
+// Modal récap intention pour Carte O.
+// Click node -> emit('node-click', n) -> selectedNode.value = n -> ce modal s'affiche.
+// Esc + click backdrop ferment.
+import { onMounted, onUnmounted, watch } from 'vue'
+
+interface CarteNode {
+  id: string
+  label: string
+  family: string
+  intention?: string
+  slug?: string
+  theme?: string
+}
+
+const props = defineProps<{
+  node: CarteNode | null
+  familyColors?: Record<string, string>
+}>()
+
+const emit = defineEmits<{
+  close: []
+}>()
+
+function onKeydown(e: KeyboardEvent) {
+  if (e.key === 'Escape' && props.node) emit('close')
+}
+
+onMounted(() => window.addEventListener('keydown', onKeydown))
+onUnmounted(() => window.removeEventListener('keydown', onKeydown))
+
+watch(() => props.node, (n) => {
+  if (n) {
+    document.body.style.overflow = 'hidden'
+  } else {
+    document.body.style.overflow = ''
+  }
+})
+
+function colorFor(family: string): string {
+  return props.familyColors?.[family] || '#9ca3af'
+}
+</script>
+
+<template>
+  <Teleport to="body">
+    <Transition name="modal">
+      <div
+        v-if="node"
+        class="modal-backdrop"
+        role="dialog"
+        aria-modal="true"
+        :aria-labelledby="`carte-o-modal-title`"
+        @click.self="emit('close')"
+      >
+        <div class="modal-card">
+          <button
+            type="button"
+            class="close-btn"
+            aria-label="Fermer"
+            @click="emit('close')"
+          >×</button>
+
+          <div class="family-badge" :style="{ backgroundColor: colorFor(node.family) }">
+            {{ node.family }}
+          </div>
+
+          <h2 id="carte-o-modal-title" class="title">
+            {{ node.label }}
+          </h2>
+
+          <p v-if="node.intention" class="intention">
+            {{ node.intention }}
+          </p>
+          <p v-else class="intention placeholder">
+            Pas d'intention extraite. Ouvrez la fiche pour le contenu complet.
+          </p>
+
+          <div v-if="node.theme" class="theme">
+            Thème : <strong>{{ node.theme }}</strong>
+          </div>
+
+          <a
+            v-if="node.slug"
+            :href="`/thematiques/${node.slug}`"
+            class="cta-link"
+          >
+            Lire la fiche →
+          </a>
+        </div>
+      </div>
+    </Transition>
+  </Teleport>
+</template>
+
+<style scoped>
+.modal-backdrop {
+  position: fixed;
+  inset: 0;
+  z-index: 9999;
+  background: rgba(0, 0, 0, 0.45);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 1rem;
+  backdrop-filter: blur(2px);
+}
+
+.modal-card {
+  position: relative;
+  background: #ffffff;
+  border-radius: 14px;
+  max-width: 32rem;
+  width: 100%;
+  padding: 1.75rem;
+  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.35);
+}
+
+.close-btn {
+  position: absolute;
+  top: 0.5rem;
+  right: 0.5rem;
+  width: 32px;
+  height: 32px;
+  border: none;
+  background: transparent;
+  font-size: 24px;
+  line-height: 1;
+  color: #9ca3af;
+  cursor: pointer;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.close-btn:hover {
+  background: #f3f4f6;
+  color: #374151;
+}
+
+.family-badge {
+  display: inline-block;
+  padding: 0.2rem 0.6rem;
+  border-radius: 999px;
+  font-size: 0.7rem;
+  font-weight: 600;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+  color: #fff;
+  margin-bottom: 0.65rem;
+}
+
+.title {
+  font-size: 1.4rem;
+  font-weight: 600;
+  color: #1f2937;
+  margin: 0 0 0.85rem 0;
+  line-height: 1.3;
+}
+
+.intention {
+  color: #4b5563;
+  line-height: 1.55;
+  margin: 0 0 1rem 0;
+  font-size: 0.95rem;
+}
+
+.intention.placeholder {
+  font-style: italic;
+  color: #9ca3af;
+}
+
+.theme {
+  font-size: 0.85rem;
+  color: #6b7280;
+  margin-bottom: 1.25rem;
+}
+
+.cta-link {
+  display: inline-block;
+  padding: 0.55rem 1.1rem;
+  background: #1f2937;
+  color: #fff;
+  border-radius: 8px;
+  text-decoration: none;
+  font-size: 0.9rem;
+  font-weight: 500;
+  transition: background 0.15s;
+}
+
+.cta-link:hover {
+  background: #111827;
+}
+
+.modal-enter-active,
+.modal-leave-active {
+  transition: opacity 0.2s ease;
+}
+
+.modal-enter-active .modal-card,
+.modal-leave-active .modal-card {
+  transition: transform 0.2s ease;
+}
+
+.modal-enter-from,
+.modal-leave-to {
+  opacity: 0;
+}
+
+.modal-enter-from .modal-card,
+.modal-leave-to .modal-card {
+  transform: scale(0.96);
+}
+</style>