Fix crash init : MOON_DICE_PHASES supprimé → nouveau setting rollMoonDieByDefault

SYSTEM.MOON_DICE_PHASES a été supprimé lors du refactoring 2d8.
Remplacement du setting 'defaultMoonPhase' (String + choices) par
'rollMoonDieByDefault' (Boolean) cohérent avec la nouvelle mécanique.

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

fvtt-celestopol.mjs

@@ -170,16 +170,13 @@ function _registerHandlebarsHelpers() {
 /* ─── Settings ───────────────────────────────────────────────────────────── */
 
 function _registerSettings() {
-  game.settings.register(SYSTEM_ID, "defaultMoonPhase", {
-    name: "CELESTOPOL.Setting.defaultMoonPhase.name",
-    hint: "CELESTOPOL.Setting.defaultMoonPhase.hint",
+  game.settings.register(SYSTEM_ID, "rollMoonDieByDefault", {
+    name: "CELESTOPOL.Setting.rollMoonDieByDefault.name",
+    hint: "CELESTOPOL.Setting.rollMoonDieByDefault.hint",
     scope: "world",
     config: true,
-    type: String,
-    default: "nouvelleLune",
-    choices: Object.fromEntries(
-      Object.entries(SYSTEM.MOON_DICE_PHASES).map(([k, v]) => [k, v.label])
-    ),
+    type: Boolean,
+    default: false,
   })
 
   game.settings.register(SYSTEM_ID, "autoWounds", {