feat(v13-c): header 1-line cliquables + phrase intention Roboto Condensed

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@astrojs/node": "^10.1.0",
         "@astrojs/vue": "^6.0.1",
+        "@fontsource-variable/roboto-condensed": "^5.2.8",
         "@tailwindcss/vite": "^4.2.4",
         "@types/d3": "^7.4.3",
         "astro": "^6.3.1",
@@ -1064,6 +1065,15 @@
         "node": ">=18"
       }
     },
+    "node_modules/@fontsource-variable/roboto-condensed": {
+      "version": "5.2.8",
+      "resolved": "https://registry.npmjs.org/@fontsource-variable/roboto-condensed/-/roboto-condensed-5.2.8.tgz",
+      "integrity": "sha512-aIZ2kYSoJHkTI4z8x/PRgKX6Zb9TTtSE/u+fUYeiwL+5trP9rhYYEEeNjRttaMqRgoDHcSueArdRZ43wf/i2Kw==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
     "node_modules/@img/colour": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.1.0.tgz",

package.json

@@ -17,6 +17,7 @@
   "dependencies": {
     "@astrojs/node": "^10.1.0",
     "@astrojs/vue": "^6.0.1",
+    "@fontsource-variable/roboto-condensed": "^5.2.8",
     "@tailwindcss/vite": "^4.2.4",
     "@types/d3": "^7.4.3",
     "astro": "^6.3.1",

public/data/carte-o-source.yaml

@@ -12,7 +12,7 @@ version: "1.1"
 
 centre:
   id: "contrat-social-medecine-corps-social"
-  label: "Une medecine du corps social pour ecrire un nouveau contrat social"
+  label: "Contrat social + Medecine du corps social"
   niveau: 0
   nature: essai
   statut: gestation
@@ -119,8 +119,6 @@ projets:
     nature: projet
     statut: gestation
     resume: "Transport, mobilite, industrie, politique - projet archi. Exemple de projet archi relie aux thematiques AEP."
-    # V1.3-D : lien explicite au noeud central (pont vision <-> pratique)
-    lien_central: true
     liens_thematiques:
       - "urbanisme"
       - "justice-securite"

public/data/carte-o.json

@@ -1,10 +1,10 @@
 {
   "version": "1.1",
-  "generatedAt": "2026-05-11T17:59:41.381Z",
+  "generatedAt": "2026-05-11T16:47:45.459Z",
   "nodes": [
     {
       "id": "contrat-social-medecine-corps-social",
-      "label": "Une medecine du corps social pour ecrire un nouveau contrat social",
+      "label": "Contrat social + Medecine du corps social",
       "niveau": 0,
       "nature": "essai",
       "statut": "gestation",
@@ -191,83 +191,63 @@
   "edges": [
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "systemique",
-      "central": true
+      "target": "systemique"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "pratiques-collectives",
-      "central": true
+      "target": "pratiques-collectives"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "art-narration",
-      "central": true
+      "target": "art-narration"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "pouvoir-domination",
-      "central": true
+      "target": "pouvoir-domination"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "medias-critique",
-      "central": true
+      "target": "medias-critique"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "justice-securite",
-      "central": true
+      "target": "justice-securite"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "sante-globale",
-      "central": true
+      "target": "sante-globale"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "agriculture",
-      "central": true
+      "target": "agriculture"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "post-croissance",
-      "central": true
+      "target": "post-croissance"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "anthropocene",
-      "central": true
+      "target": "anthropocene"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "education",
-      "central": true
+      "target": "education"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "urbanisme",
-      "central": true
+      "target": "urbanisme"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "geopolitique",
-      "central": true
+      "target": "geopolitique"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "ia-technologie",
-      "central": true
+      "target": "ia-technologie"
     },
     {
       "source": "contrat-social-medecine-corps-social",
-      "target": "spiritualite",
-      "central": true
-    },
-    {
-      "source": "contrat-social-medecine-corps-social",
-      "target": "tmip",
-      "central": true
+      "target": "spiritualite"
     },
     {
       "source": "tmip",

scripts/build-carte-o.js

@@ -35,15 +35,11 @@ async function main() {
   const edges = []
   const edgeSet = new Set()
 
-  function addEdge(source, target, opts = {}) {
+  function addEdge(source, target) {
     const key = source < target ? `${source}|${target}` : `${target}|${source}`
     if (edgeSet.has(key)) return
     edgeSet.add(key)
-    const edge = { source, target }
-    // V1.3-D : tag les edges au noeud central pour permettre tuning force-link
-    // (TMIP relie au centre = link court/fort, autres essais = link standard)
-    if (opts.central) edge.central = true
-    edges.push(edge)
+    edges.push({ source, target })
   }
 
   function addNode(obj) {
@@ -74,15 +70,11 @@ async function main() {
   // toutes les thematiques rattachees directement au noeud central
   for (const th of data.thematiques) {
     addNode(th)
-    addEdge(centreId, th.id, { central: true })
+    addEdge(centreId, th.id)
   }
 
   for (const proj of data.projets) {
     addNode(proj)
-    // V1.3-D : edge explicite projet -> central (pont vision <-> pratique)
-    if (proj.lien_central) {
-      addEdge(centreId, proj.id, { central: true })
-    }
     for (const thId of (proj.liens_thematiques || [])) {
       addEdge(proj.id, thId)
     }

src/components/astro/ColCentre.astro

@@ -1,9 +1,9 @@
 ---
-// Centre - HAUT : Carte O mindmap (V1.3-D : onglet Chatbot retire, bandeau "Sommaire editorial" + legende).
+// Centre - HAUT : tabs (Carte O mindmap | Chatbot RAG branche PC7).
 //          MILIEU : preview article (V1.2-P) - inseree au clic journal-item-click.
 //          BAS  : iframe carte AEP (toujours visible).
-// V1.3-D : ChatbotV2 retire du DOM (backlog V2). Pour reactivation -> reintroduire le tab + panel.
 import CarteOWrapper from '../vue/CarteOWrapper.vue';
+import ChatbotV2 from '../vue/ChatbotV2.vue';
 import EmbedDynamique from '../vue/EmbedDynamique.vue';
 import PreviewArticle from '../vue/PreviewArticle.vue';
 ---
@@ -19,49 +19,56 @@ import PreviewArticle from '../vue/PreviewArticle.vue';
   data-preview-open="false"
   style="height: 100%; overflow-y: hidden;"
 >
-  <!-- HAUT (default flex-1 base 33%) : V1.3-D bandeau "Sommaire editorial" + legende + Carte O plein espace -->
+  <!-- HAUT (default flex-1 base 33%) : tabs Carte O / Chatbot -->
   <section
     id="col-centre-haut"
     class="border border-neutral-200 rounded flex flex-col overflow-hidden bg-white"
     style="min-height: 0; flex: 1 1 33%;"
   >
-    <!-- V1.3-D : bandeau header (titre gauche + legende droite) -->
-    <header
-      class="flex items-center justify-between gap-3 px-3 py-2 border-b border-neutral-200 shrink-0"
-      style="font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;"
+    <nav role="tablist" aria-label="Vues centrales" class="flex border-b border-neutral-200 px-1 pt-1">
+      <button
+        type="button"
+        role="tab"
+        id="tab-mindmap"
+        aria-controls="panel-mindmap"
+        aria-selected="true"
+        data-tab="mindmap"
+        class="tab-btn px-3 py-2 text-sm border-b-2 border-neutral-900 font-medium text-neutral-900"
       >
-      <span class="text-xs truncate" style="color: #475569;">
-        Sommaire éditorial d'architecture d'écologie politique
-      </span>
-      <ul class="flex items-center gap-3 shrink-0 text-xs" style="color: #475569;" aria-label="Légende">
-        <li class="flex items-center gap-1.5">
-          <span
-            aria-hidden="true"
-            style="width: 8px; height: 8px; border-radius: 999px; background: #0F172A; display: inline-block;"
-          ></span>
-          <span>publié</span>
-        </li>
-        <li class="flex items-center gap-1.5">
-          <span
-            aria-hidden="true"
-            style="width: 8px; height: 8px; border-radius: 999px; background: transparent; border: 1px solid #0F172A; display: inline-block;"
-          ></span>
-          <span>à venir</span>
-        </li>
-        <li class="flex items-center gap-1.5">
-          <span
-            aria-hidden="true"
-            style="width: 8px; height: 8px; border-radius: 999px; background: #B45309; display: inline-block;"
-          ></span>
-          <span>projet</span>
-        </li>
-      </ul>
-    </header>
+        Carte O
+      </button>
+      <button
+        type="button"
+        role="tab"
+        id="tab-chatbot"
+        aria-controls="panel-chatbot"
+        aria-selected="false"
+        data-tab="chatbot"
+        class="tab-btn px-3 py-2 text-sm border-b-2 border-transparent text-neutral-500 hover:text-neutral-900"
+      >
+        Chatbot
+      </button>
+    </nav>
 
     <div class="flex-1 overflow-hidden relative">
-      <div id="panel-mindmap" class="absolute inset-0">
+      <div
+        id="panel-mindmap"
+        role="tabpanel"
+        aria-labelledby="tab-mindmap"
+        data-tab-panel="mindmap"
+        class="absolute inset-0"
+      >
         <CarteOWrapper client:visible />
       </div>
+      <div
+        id="panel-chatbot"
+        role="tabpanel"
+        aria-labelledby="tab-chatbot"
+        data-tab-panel="chatbot"
+        class="absolute inset-0 hidden"
+      >
+        <ChatbotV2 client:visible />
+      </div>
     </div>
   </section>
 
@@ -253,5 +260,28 @@ import PreviewArticle from '../vue/PreviewArticle.vue';
     });
   }
 
-  // V1.3-D : tabs Chatbot retires, plus de toggle a gerer (un seul panel Carte O).
+  // Tabs toggle.
+  const tabs = document.querySelectorAll<HTMLButtonElement>('[data-tab]');
+  const panels = document.querySelectorAll<HTMLElement>('[data-tab-panel]');
+
+  tabs.forEach((tab) => {
+    tab.addEventListener('click', () => {
+      const target = tab.dataset.tab;
+      if (!target) return;
+
+      tabs.forEach((t) => {
+        const active = t.dataset.tab === target;
+        t.setAttribute('aria-selected', active ? 'true' : 'false');
+        t.classList.toggle('border-neutral-900', active);
+        t.classList.toggle('border-transparent', !active);
+        t.classList.toggle('font-medium', active);
+        t.classList.toggle('text-neutral-900', active);
+        t.classList.toggle('text-neutral-500', !active);
+      });
+
+      panels.forEach((p) => {
+        p.classList.toggle('hidden', p.dataset.tabPanel !== target);
+      });
+    });
+  });
 </script>

src/components/astro/SiteHeader.astro

@@ -1,52 +1,80 @@
 ---
-// SiteHeader.astro - V1.2-M : bandeau header pleine largeur identite site
-// Palette terre figee : papier #FAFAF7, encre #0F172A, encre douce #475569
-// Composition retenue : 2 lignes hierarchique
-//   ligne 1 : "Trans-Former" wordmark dominant (semibold tracking serre)
-//   ligne 2 : "Jules Neny" + baseline italique cote a cote (separateur point median)
-// Rationale : le wordmark domine sans ecraser ; la baseline reste lisible ;
-// composition adaptee a un manifeste (hierarchie typographique forte).
-// Hauteur : ~64px desktop / ~48px mobile (compacte)
-// Baseline raccourcie mobile : "architecture politique du vivant"
+// SiteHeader.astro - V1.3-C : header 1 ligne fine, liens cliquables, phrase intention Roboto Condensed
+// Palette V1.3 figee : papier #FAFAF7, encre #0F172A, encre douce #475569, border #E5E7EB
+// Composition :
+//   Desktop (>= md) : 1 ligne ~44px - Trans-Former | Jules Neny | architecture d'ecologie politique  [phrase intention right-aligned, Roboto Condensed]
+//   Mobile (< md)   : 2 lignes compactes - ligne 1 Trans-Former / ligne 2 Jules Neny . AEP (cliquables) - phrase intention masquee
+// Liens :
+//   Trans-Former -> /
+//   Jules Neny   -> /a-propos
+//   architecture d'ecologie politique -> https://aep.trans-former.fr (same-tab, site frere coherent)
+// Typo phrase intention : Roboto Condensed Variable @fontsource (weight 400, font-stretch 75%)
+import '@fontsource-variable/roboto-condensed/wght.css';
 ---
 <header
   class="site-header w-full border-b border-[#E5E7EB] bg-[#FAFAF7] text-[#0F172A] px-4 md:px-6 flex items-center"
   role="banner"
 >
+  <!-- Bloc identite (gauche) -->
+  <nav
+    class="flex flex-col md:flex-row md:items-baseline gap-x-2 gap-y-0.5 flex-shrink-0"
+    aria-label="identite site"
+  >
+    <!-- Ligne 1 desktop = wordmark inline ; mobile = ligne dediee -->
     <a
       href="/"
-    class="flex flex-col md:flex-row md:items-baseline gap-x-3 gap-y-0 no-underline text-[#0F172A] hover:text-[#0F172A]"
-    aria-label="trans-former.fr - retour accueil"
-  >
-    <!-- Ligne 1 : wordmark dominant -->
-    <span
-      class="font-semibold tracking-tight text-[#0F172A] text-[17px] md:text-[20px] leading-none"
+      class="font-semibold tracking-tight text-[#0F172A] hover:text-[#0F172A] text-[15px] md:text-[16px] leading-none no-underline hover:underline underline-offset-2 decoration-1"
+      aria-label="trans-former.fr - accueil"
     >
       Trans-Former
-    </span>
-
-    <!-- Ligne 2 (desktop : inline ; mobile : sous wordmark) : Jules Neny + baseline -->
-    <span class="flex items-baseline gap-2 text-[#475569] leading-none">
-      <span class="text-[11px] md:text-[13px]">Jules Neny</span>
-      <span class="text-[#94A3B8]" aria-hidden="true">·</span>
-      <!-- Baseline longue : desktop / Baseline courte : mobile -->
-      <span class="italic text-[11px] md:text-[13px] hidden sm:inline">
-        architecture d'ecologie politique
-      </span>
-      <span class="italic text-[11px] inline sm:hidden">
-        architecture politique du vivant
-      </span>
-    </span>
     </a>
+
+    <!-- Bloc secondaire : Jules Neny . AEP (mobile : ligne 2 ; desktop : inline) -->
+    <span class="flex items-baseline gap-1.5 text-[#475569] leading-none">
+      <span class="text-[#94A3B8] hidden md:inline" aria-hidden="true">·</span>
+      <a
+        href="/a-propos"
+        class="text-[12px] md:text-[13px] text-[#475569] hover:text-[#0F172A] no-underline hover:underline underline-offset-2 decoration-1"
+      >
+        Jules Neny
+      </a>
+      <span class="text-[#94A3B8]" aria-hidden="true">·</span>
+      <a
+        href="https://aep.trans-former.fr"
+        class="text-[12px] md:text-[13px] text-[#475569] hover:text-[#0F172A] no-underline hover:underline underline-offset-2 decoration-1"
+      >
+        architecture d'écologie politique
+      </a>
+    </span>
+  </nav>
+
+  <!-- Phrase intention (droite, desktop only) - Roboto Condensed allongee -->
+  <p
+    class="intention hidden md:block ml-auto pl-6 text-right text-[#475569] text-[11px] leading-tight max-w-[55%]"
+  >
+    Comment créer une pratique systémique, créative et collective de transformation sociale pour répondre à l'effondrement et restaurer notre capacité à habiter la Terre dans l'Anthropocène&nbsp;?
+  </p>
 </header>
 
 <style>
   .site-header {
-    height: 48px;
+    height: 44px;
   }
-  @media (min-width: 768px) {
+  @media (max-width: 767px) {
     .site-header {
-      height: 64px;
+      height: auto;
+      min-height: 48px;
+      padding-top: 6px;
+      padding-bottom: 6px;
     }
   }
+  /* Phrase intention : Roboto Condensed Variable, font-stretch 75% (allongement vertical condense)
+     Cantonnee a .intention pour eviter contagion stack Inter */
+  .intention {
+    font-family: 'Roboto Condensed Variable', 'Roboto Condensed', sans-serif;
+    font-weight: 400;
+    font-stretch: 75%;
+    font-style: italic;
+    letter-spacing: 0.01em;
+  }
 </style>

src/components/vue/CarteO.vue

@@ -25,18 +25,12 @@ interface CarteNode {
 // V1.2-O : logos plateforme via Brandfetch CDN (visible zoom > 1.5x seulement)
 const BRANDFETCH_CLIENT_ID = '4ae58bd85c8140eab0cee72f40656120'
 const LOGO_ZOOM_THRESHOLD = 1.5
-
-// V1.3-D : dimensions rectangle central (phrase manifeste 3 lignes)
-const CENTRAL_W = 300
-const CENTRAL_H = 64
-const CENTRAL_COLLIDE_RADIUS = 160  // demi-largeur + marge
 const logoUrl = (domain: string) =>
   `https://cdn.brandfetch.io/${domain}/w/64/h/64?c=${BRANDFETCH_CLIENT_ID}`
 
 interface CarteEdge {
   source: string | CarteNode
   target: string | CarteNode
-  central?: boolean  // V1.3-D : link au noeud central (court/fort)
 }
 
 const props = withDefaults(defineProps<{
@@ -124,38 +118,25 @@ function truncate(str: string, max: number): string {
   return str.length > max ? str.slice(0, max - 1) + '…' : str
 }
 
-// V1.3-D : Wrap intelligent du label central sur 3 lignes (rectangle 300x64).
-// Phrase cible : "Une medecine du corps social pour ecrire un nouveau contrat social"
-// Heuristique : decoupe en mots, repartit sur ~3 lignes de longueur equilibree.
-function splitCentralLabel(label: string, maxLines = 3, maxCharsPerLine = 30): string[] {
+// Split intelligent du label central sur 2-3 lignes (autour de "+")
+function splitCentralLabel(label: string): string[] {
   if (!label) return ['']
-  // Fallback : pivot legacy " + " (V1.2 backward compat)
+  // priorite : split sur " + " si present
   if (label.includes(' + ')) {
     const parts = label.split(' + ')
     return [parts[0].trim(), '+', parts.slice(1).join(' + ').trim()]
   }
-  const words = label.split(/\s+/).filter(Boolean)
-  if (words.length <= 1) return [label]
-
-  // Repartit en lignes en respectant maxCharsPerLine, max maxLines lignes
-  const lines: string[] = []
-  let current = ''
-  for (const w of words) {
-    const next = current ? `${current} ${w}` : w
-    if (next.length > maxCharsPerLine && current && lines.length < maxLines - 1) {
-      lines.push(current)
-      current = w
-    } else {
-      current = next
+  // fallback : split a peu pres au milieu sur un espace
+  if (label.length > 14) {
+    const mid = Math.floor(label.length / 2)
+    const left = label.lastIndexOf(' ', mid)
+    const right = label.indexOf(' ', mid)
+    const cut = (mid - left <= right - mid && left > 0) ? left : right
+    if (cut > 0) {
+      return [label.slice(0, cut).trim(), label.slice(cut).trim()]
     }
   }
-  if (current) lines.push(current)
-  // Si plus de lignes que prevu (mots tres longs), concatene les dernieres
-  while (lines.length > maxLines) {
-    const last = lines.pop()!
-    lines[lines.length - 1] = `${lines[lines.length - 1]} ${last}`
-  }
-  return lines
+  return [label]
 }
 
 function buildSimNodes(): SimNode[] {
@@ -251,33 +232,18 @@ function render() {
     .style('cursor', 'pointer')
     .on('click', (_event, d) => emit('node-click', { node: d as CarteNode, x: (d as SimNode).x || 0, y: (d as SimNode).y || 0 }))
     .on('mouseover', function (_event, d) {
-      // V1.3-D : selecteur etendu rect|circle (rect pour central, circle pour autres)
-      d3.select(this).select('rect, circle')
+      d3.select(this).select('circle')
         .transition().duration(120)
         .attr('stroke-width', strokeWidthFor(d) + 1.5)
     })
     .on('mouseout', function (_event, d) {
-      d3.select(this).select('rect, circle')
+      d3.select(this).select('circle')
         .transition().duration(120)
         .attr('stroke-width', strokeWidthFor(d))
     })
 
-  // V1.3-D : nœud central = rectangle 300x64 (phrase 3 lignes), autres = cercle
-  const isCentral = (d: SimNode) => d.niveau === 0
-
-  nodeGroups.filter(isCentral)
-    .append('rect')
-    .attr('x', -CENTRAL_W / 2)
-    .attr('y', -CENTRAL_H / 2)
-    .attr('width', CENTRAL_W)
-    .attr('height', CENTRAL_H)
-    .attr('rx', 6)
-    .attr('fill', d => colorFor(d))
-    .attr('stroke', d => strokeFor(d))
-    .attr('stroke-width', d => strokeWidthFor(d))
-
-  nodeGroups.filter(d => !isCentral(d))
-    .append('circle')
+  // Cercle
+  nodeGroups.append('circle')
     .attr('r', d => getRadius(d))
     .attr('fill', d => colorFor(d))
     .attr('stroke', d => strokeFor(d))
@@ -290,10 +256,10 @@ function render() {
     const inside = labelInsideFor(d)
 
     if (inside && d.niveau === 0) {
-      // V1.3-D : noeud central = rectangle, label 3 lignes 13px line-height 1.35
-      const fs = isMobile.value ? 11 : 13
-      const lineHeight = Math.round(fs * 1.35)
-      const parts = splitCentralLabel(d.label, 3, isMobile.value ? 22 : 30)
+      // Noeud central : label en 2 lignes inscrites au centre
+      const parts = splitCentralLabel(d.label)
+      const lineHeight = isMobile.value ? 10 : 12
+      const fs = isMobile.value ? 9 : 11
       const startY = -((parts.length - 1) * lineHeight) / 2
       parts.forEach((line, i) => {
         g.append('text')
@@ -303,7 +269,7 @@ function render() {
           .attr('y', startY + i * lineHeight)
           .attr('font-size', fs)
           .attr('font-family', 'system-ui, sans-serif')
-          .attr('font-weight', '500')
+          .attr('font-weight', 'bold')
           .attr('fill', '#FFFFFF')
           .attr('pointer-events', 'none')
           .text(line)
@@ -366,54 +332,21 @@ function render() {
   nodeGroups.append('title')
     .text(d => `${d.label}\n[${d.family}]\n${truncate(d.resume || d.intention || '', 200)}`)
 
-  // V1.3-D : Simulation force-directed fit-cadre + animation continue subtile
-  // - link distance/strength differencies : TMIP (central) court/fort, autres essais souples
-  // - collide +12 zero overlap labels
-  // - forceX/Y faibles rappel cadre
-  // - alphaDecay 0.025 (anime sans vertige)
+  // Simulation force avec charges differenciees par niveau
   simulation = d3.forceSimulation<SimNode, SimLink>(simNodes)
     .force('link', d3.forceLink<SimNode, SimLink>(simLinks)
       .id(d => d.id)
-      .distance(l => {
-        const link = l as SimLink & { central?: boolean }
-        // Lien central -> TMIP (projet) = court (90), autres centraux (essais) = standard (200)
-        if (link.central) {
-          const tgt = link.target as SimNode
-          const src = link.source as SimNode
-          const other = (tgt.niveau === 0 ? src : tgt) as SimNode
-          if (other.nature === 'projet') return 90
-          return 200
-        }
-        return 180
-      })
-      .strength(l => {
-        const link = l as SimLink & { central?: boolean }
-        if (link.central) {
-          const tgt = link.target as SimNode
-          const src = link.source as SimNode
-          const other = (tgt.niveau === 0 ? src : tgt) as SimNode
-          if (other.nature === 'projet') return 0.6
-          return 0.3
-        }
-        return 0.3
-      }))
+      .distance(80)
+      .strength(0.35))
     .force('charge', d3.forceManyBody<SimNode>().strength(d => {
-      if (d.niveau === 0) return -1200
+      if (d.niveau === 0) return -800
       if (d.niveau === 1) return -400
-      if (d.niveau === 2) return -180
+      if (d.niveau === 2) return -150
       return -220
     }))
     .force('center', d3.forceCenter(width.value / 2, height.value / 2))
-    .force('x', d3.forceX<SimNode>(width.value / 2).strength(0.05))
-    .force('y', d3.forceY<SimNode>(height.value / 2).strength(0.05))
-    .force('collide', d3.forceCollide<SimNode>().radius(d => {
-      // V1.3-D : central traite comme zone large (rect 300x64 -> rayon equivalent 160)
-      if (d.niveau === 0) return CENTRAL_COLLIDE_RADIUS
-      return getRadius(d) + 12
-    }))
-    .alphaDecay(0.025)
-    .velocityDecay(0.4)
-    .alphaMin(0.001)
+    .force('collide', d3.forceCollide<SimNode>().radius(d => getRadius(d) + 6))
+    .alphaDecay(0.03)
     .on('tick', tick)
 
   // Bind drag once simulation exists.
@@ -476,8 +409,6 @@ onMounted(() => {
     }
     if (simulation) {
       simulation.force('center', d3.forceCenter(width.value / 2, height.value / 2))
-      simulation.force('x', d3.forceX<SimNode>(width.value / 2).strength(0.05))
-      simulation.force('y', d3.forceY<SimNode>(height.value / 2).strength(0.05))
       simulation.alpha(0.3).restart()
     }
   })

src/components/vue/CarteOWrapper.vue

@@ -19,7 +19,6 @@ interface CarteNode {
 interface CarteEdge {
   source: string
   target: string
-  central?: boolean  // V1.3-D : edges au noeud central (tuning force-link)
 }
 
 interface CarteData {