fix: tests complets - onglets, message de tchat, scores bonus/malus

- Onglets item (Anomalie/Aspect/Attribut): correction tabGroups + data-group sur chaque <a> et <section>
- Onglets acteur (PJ/PNJ): tab.cssClass dans les templates pour l'état actif initial
- Message de tchat: alignement des noms de variables _getChatCardData <-> chat-message.hbs
  - actorName, actorImg, success/failure, diceResults, statLabel/skillLabel localisés
  - difficultyLabel et moonPhaseLabel localisés depuis SYSTEM
- Dialogue de jet (roll-dialog.hbs): correction noms variables + min/max modificateur
- lang/fr.json: ajout Roll.title, Roll.roll, clés Moon (minuscules), Difficulty (unknown/ardu)
- character.mjs: passage statLabel à CelestopolRoll.prompt()
- global.less: padding + overflow-y sur .tab pour contenu visible
- item-scores.hbs: passage system=system au partial + suppression garde isEditable
- Templates anomaly/aspect/attribute: passage system=system au partial item-scores
- chat-message.mjs: getHTML() → renderHTML() (dépréciation FVTT v13)

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

templates/roll-dialog.hbs

@@ -1,15 +1,14 @@
 <form class="roll-dialog celestopol">
   <div class="roll-title">
-    <span class="stat-label">{{statLabel}}</span>
-    <span class="separator">›</span>
-    <span class="skill-label">{{skillLabel}}</span>
+    {{#if statLabel}}<span class="stat-label">{{localize statLabel}}</span><span class="separator"> › </span>{{/if}}
+    <span class="skill-label">{{localize skillLabel}}</span>
   </div>
 
   <div class="form-group">
     <label for="moonPhase">{{localize "CELESTOPOL.Roll.moonPhase"}}</label>
     <select id="moonPhase" name="moonPhase">
-      {{#each moonPhases as |phase key|}}
-      <option value="{{key}}" {{#if (eq key ../currentMoonPhase)}}selected{{/if}}>
+      {{#each moonPhaseChoices as |phase key|}}
+      <option value="{{key}}" {{#if (eq key ../defaultMoonPhase)}}selected{{/if}}>
         {{localize phase.label}} {{#if phase.bonus}}(+{{phase.bonus}}){{else}}(+0){{/if}}
       </option>
       {{/each}}
@@ -19,9 +18,9 @@
   <div class="form-group">
     <label for="difficulty">{{localize "CELESTOPOL.Roll.difficulty"}}</label>
     <select id="difficulty" name="difficulty">
-      {{#each difficulties as |diff key|}}
-      <option value="{{diff.threshold}}" {{#if (eq diff.threshold ../currentDifficulty)}}selected{{/if}}>
-        {{localize diff.label}} ({{diff.threshold}})
+      {{#each difficultyChoices as |diff key|}}
+      <option value="{{key}}" {{#if (eq key ../defaultDifficulty)}}selected{{/if}}>
+        {{localize diff.label}}{{#if diff.value}} ({{diff.value}}){{/if}}
       </option>
       {{/each}}
     </select>
@@ -29,7 +28,7 @@
 
   <div class="form-group">
     <label for="modifier">{{localize "CELESTOPOL.Roll.modifier"}}</label>
-    <input type="number" id="modifier" name="modifier" value="0">
+    <input type="number" id="modifier" name="modifier" value="0" min="-10" max="10">
   </div>
 
   <div class="dice-preview">