feat(falukant): add age information to lovers in family view

- Updated FalukantService to include age details for partners in relationships.
- Added translations for 'age' in English, German, and Spanish localization files.
- Enhanced FamilyView component to display age information for lovers and candidates, improving user experience.

frontend/src/i18n/locales/de/falukant.json

@@ -677,6 +677,7 @@
             "lovers": {
                 "title": "Liebhaber und Mätressen",
                 "none": "Keine Liebhaber vorhanden.",
+                "age": "Alter",
                 "affection": "Zuneigung",
                 "visibility": "Sichtbarkeit",
                 "discretion": "Diskretion",

frontend/src/i18n/locales/en/falukant.json

@@ -728,6 +728,7 @@
             "lovers": {
                 "title": "Lovers and Mistresses",
                 "none": "No lovers present.",
+                "age": "Age",
                 "affection": "Affection",
                 "visibility": "Visibility",
                 "discretion": "Discretion",

frontend/src/i18n/locales/es/falukant.json

@@ -658,6 +658,7 @@
             "lovers": {
                 "title": "Amantes y favoritas",
                 "none": "No hay amantes.",
+                "age": "Edad",
                 "affection": "Afecto",
                 "visibility": "Visibilidad",
                 "discretion": "Discreción",

frontend/src/views/falukant/FamilyView.vue

@@ -347,6 +347,9 @@
                         <div class="lover-card__header">
                             <div>
                                 <strong>{{ $t('falukant.titles.' + lover.gender + '.' + lover.title) }} {{ lover.name }}</strong>
+                                <div v-if="lover.age != null" class="lover-card__age">
+                                    {{ $t('falukant.family.lovers.age') }}: {{ lover.age }}
+                                </div>
                                 <div class="lover-card__role">
                                     {{ $t('falukant.family.lovers.role.' + (lover.role || 'lover')) }}
                                 </div>
@@ -421,7 +424,7 @@
                         <article v-for="candidate in possibleLovers" :key="candidate.characterId" class="lover-candidate-card">
                             <div class="lover-candidate-card__main">
                                 <strong>{{ $t('falukant.titles.' + candidate.gender + '.' + candidate.title) }} {{ candidate.name }}</strong>
-                                <span>{{ $t('falukant.family.spouse.age') }}: {{ candidate.age }}</span>
+                                <span>{{ $t('falukant.family.lovers.age') }}: {{ candidate.age }}</span>
                                 <span>{{ $t('falukant.family.lovers.statusFit') }}: {{ candidate.statusFit }}</span>
                                 <span>{{ $t('falukant.family.lovers.monthlyCost') }}: {{ formatCost(candidate.estimatedMonthlyCost || 0) }}</span>
                             </div>
@@ -1276,6 +1279,12 @@ export default {
     margin-bottom: 12px;
 }
 
+.lover-card__age {
+    font-size: 0.9rem;
+    color: rgba(0, 0, 0, 0.62);
+    margin-top: 4px;
+}
+
 .lover-card__role {
     margin-top: 4px;
     color: var(--color-text-secondary);