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/npc-competences.hbs

@@ -0,0 +1,36 @@
+<div class="tab competences" data-group="sheet" data-tab="competences">
+  <div class="stats-grid">
+    {{#each stats as |stat statId|}}
+    <div class="stat-block">
+      <div class="stat-header">
+        <span class="stat-name">{{localize stat.label}}</span>
+        <div class="stat-res">
+          <label>{{localize "CELESTOPOL.Stat.res"}}</label>
+          {{#if ../isEditMode}}
+            <input type="number" name="system.stats.{{statId}}.res"
+                   value="{{lookup ../system.stats statId 'res'}}" min="0" max="8">
+          {{else}}
+            <span class="stat-res-value">{{lookup ../system.stats statId 'res'}}</span>
+            <span class="stat-actuel">({{lookup ../system.stats statId 'actuel'}})</span>
+          {{/if}}
+        </div>
+      </div>
+      <div class="skills-list">
+        {{#each (lookup ../skills statId) as |skill skillId|}}
+        <div class="skill-row {{#unless ../isEditMode}}rollable{{/unless}}"
+             data-stat-id="{{statId}}" data-skill-id="{{skillId}}">
+          <span class="skill-name">{{localize skill.label}}</span>
+          {{#if ../isEditMode}}
+            <input type="number" name="system.stats.{{statId}}.{{skillId}}.value"
+                   value="{{lookup (lookup ../system.stats statId) skillId 'value'}}"
+                   min="0" max="8" class="skill-value-input">
+          {{else}}
+            <span class="skill-value">{{lookup (lookup ../system.stats statId) skillId 'value'}}</span>
+          {{/if}}
+        </div>
+        {{/each}}
+      </div>
+    </div>
+    {{/each}}
+  </div>
+</div>