✨ Add testimonials page with personality-styled cards (Story 2.6)

- Add testimonials table migration with personality enum
- Create Testimonial model with HasTranslations trait
- Add TestimonialSeeder with 4 test testimonials
- Create TestimonialController and TestimonialResource
- Add useFetchTestimonials composable
- Create TestimonialCard component with personality-based styling
- Add temoignages.vue page with loading/error states
- Add testimonials translations in FR/EN

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/app/components/feature/TestimonialCard.vue

@@ -0,0 +1,126 @@
+<script setup lang="ts">
+import type { Testimonial, PersonalityType } from '~/types/testimonial'
+
+interface Props {
+  testimonial: Testimonial
+}
+
+const props = defineProps<Props>()
+
+const personalityConfig: Record<PersonalityType, { border: string; avatar: string; badge: string; icon: string }> = {
+  sage: {
+    border: 'border-emerald-500/30',
+    avatar: 'ring-emerald-500',
+    badge: 'bg-emerald-500/20 text-emerald-400',
+    icon: '🧙',
+  },
+  sarcastique: {
+    border: 'border-purple-500/30',
+    avatar: 'ring-purple-500',
+    badge: 'bg-purple-500/20 text-purple-400',
+    icon: '😏',
+  },
+  enthousiaste: {
+    border: 'border-amber-500/30',
+    avatar: 'ring-amber-500',
+    badge: 'bg-amber-500/20 text-amber-400',
+    icon: '🎉',
+  },
+  professionnel: {
+    border: 'border-sky-500/30',
+    avatar: 'ring-sky-500',
+    badge: 'bg-sky-500/20 text-sky-400',
+    icon: '💼',
+  },
+}
+
+const config = computed(() => personalityConfig[props.testimonial.personality])
+
+const initials = computed(() => {
+  const names = props.testimonial.name.split(' ')
+  return names.map(n => n[0]).join('').toUpperCase().slice(0, 2)
+})
+</script>
+
+<template>
+  <article
+    class="testimonial-card group relative rounded-xl border bg-sky-dark/50 p-6 transition-all duration-300 hover:bg-sky-dark/70"
+    :class="config.border"
+  >
+    <!-- Personality badge -->
+    <span
+      class="absolute right-4 top-4 rounded-full px-2 py-1 text-xs font-medium"
+      :class="config.badge"
+    >
+      {{ config.icon }} {{ testimonial.personality }}
+    </span>
+
+    <!-- Quote icon -->
+    <div class="mb-4 text-4xl text-sky-500/30">"</div>
+
+    <!-- Testimonial text -->
+    <blockquote class="mb-6 text-lg italic text-gray-300 leading-relaxed">
+      {{ testimonial.text }}
+    </blockquote>
+
+    <!-- Author info -->
+    <footer class="flex items-center gap-4">
+      <!-- Avatar -->
+      <div
+        v-if="testimonial.avatar"
+        class="h-12 w-12 overflow-hidden rounded-full ring-2"
+        :class="config.avatar"
+      >
+        <img
+          :src="testimonial.avatar"
+          :alt="testimonial.name"
+          class="h-full w-full object-cover"
+        >
+      </div>
+      <div
+        v-else
+        class="flex h-12 w-12 items-center justify-center rounded-full bg-sky-dark ring-2 text-sm font-bold text-sky-400"
+        :class="config.avatar"
+      >
+        {{ initials }}
+      </div>
+
+      <!-- Name and role -->
+      <div class="flex-1">
+        <cite class="block font-semibold text-white not-italic">
+          {{ testimonial.name }}
+        </cite>
+        <div class="text-sm text-gray-400">
+          {{ testimonial.role }}
+          <template v-if="testimonial.company">
+            · {{ testimonial.company }}
+          </template>
+        </div>
+      </div>
+    </footer>
+
+    <!-- Project link if available -->
+    <NuxtLink
+      v-if="testimonial.project"
+      :to="`/projets/${testimonial.project.slug}`"
+      class="mt-4 inline-flex items-center gap-2 text-sm text-sky-400 transition-colors hover:text-sky-300"
+    >
+      <span>📁</span>
+      <span>{{ testimonial.project.title }}</span>
+      <span class="transition-transform group-hover:translate-x-1">→</span>
+    </NuxtLink>
+  </article>
+</template>
+
+<style scoped>
+@media (prefers-reduced-motion: no-preference) {
+  .testimonial-card {
+    transform: translateY(0);
+  }
+
+  .testimonial-card:hover {
+    transform: translateY(-4px);
+    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.1);
+  }
+}
+</style>