feat: implémentation complète du système Célestopol 1922 pour FoundryVTT v13

- DataModels (character, npc, anomaly, aspect, attribute, equipment)
- ApplicationV2 sheets (character 5 tabs, npc 3 tabs, 4 item sheets)
- DialogV2 pour les jets de dés avec phase de lune
- Templates Handlebars complets (fiches PJ/PNJ, items, jet, chat)
- Styles LESS → CSS compilé (thème vert foncé / orange CopaseticNF)
- i18n fr.json complet (clés CELESTOPOL.*)
- Point d'entrée fvtt-celestopol.mjs avec hooks init/ready
- Assets : polices CopaseticNF, images UI, icônes items
- Mise à jour copilot-instructions.md avec l'architecture réelle

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

templates/character-main.hbs

@@ -0,0 +1,62 @@
+<div class="character-main sheet-part">
+  <header class="sheet-header">
+    <div class="portrait" data-action="editImage" data-edit="img">
+      <img src="{{actor.img}}" alt="{{actor.name}}" class="actor-portrait {{#unless isEditMode}}click-to-edit{{/unless}}">
+    </div>
+    <div class="header-fields">
+      <div class="charname">
+        {{#if isEditMode}}
+          <input type="text" name="name" value="{{actor.name}}" placeholder="{{localize 'CELESTOPOL.Actor.name'}}">
+        {{else}}
+          <h1 class="actor-name">{{actor.name}}</h1>
+        {{/if}}
+      </div>
+      <div class="concept-row">
+        {{#if isEditMode}}
+          <input type="text" name="system.concept" value="{{system.concept}}" placeholder="{{localize 'CELESTOPOL.Actor.concept'}}">
+        {{else}}
+          <span class="concept-display">{{system.concept}}</span>
+        {{/if}}
+      </div>
+      <div class="header-stats-row">
+        <div class="header-stat initiative">
+          <label>{{localize "CELESTOPOL.Actor.initiative"}}</label>
+          <span class="stat-value">{{system.initiative}}</span>
+        </div>
+        <div class="header-stat anomaly">
+          <label>{{localize "CELESTOPOL.Actor.anomaly"}}</label>
+          {{#if isEditMode}}
+            <select name="system.anomaly.type">
+              {{selectOptions systemFields.anomaly.fields.type.choices selected=system.anomaly.type localize=true}}
+            </select>
+            <input type="number" name="system.anomaly.value" value="{{system.anomaly.value}}" min="0" max="8" class="anomaly-value">
+          {{else}}
+            <span>{{localize system.anomaly.type}} {{#if system.anomaly.value}}({{system.anomaly.value}}){{/if}}</span>
+          {{/if}}
+        </div>
+      </div>
+
+      {{!-- Attributs personnage (Entregent, Fortune, Rêve, Vision) --}}
+      <div class="perso-attributs">
+        {{#each system.attributs as |attr key|}}
+        <div class="perso-attr">
+          <label>{{localize (concat "CELESTOPOL.Attribut." key)}}</label>
+          {{#if ../isEditMode}}
+            <input type="number" name="system.attributs.{{key}}.value" value="{{attr.value}}" min="0" class="attr-val">
+            <span>/</span>
+            <input type="number" name="system.attributs.{{key}}.max" value="{{attr.max}}" min="0" class="attr-max">
+          {{else}}
+            <span class="attr-display">{{attr.value}} / {{attr.max}}</span>
+          {{/if}}
+        </div>
+        {{/each}}
+      </div>
+    </div>
+
+    <div class="header-buttons">
+      <a class="toggle-sheet" data-action="toggleSheet" title="{{#if isEditMode}}{{localize 'CELESTOPOL.Sheet.playMode'}}{{else}}{{localize 'CELESTOPOL.Sheet.editMode'}}{{/if}}">
+        <i class="fas {{#if isEditMode}}fa-eye{{else}}fa-edit{{/if}}"></i>
+      </a>
+    </div>
+  </header>
+</div>