feat: add French localization support for character attributes and improve character display logic

- Added optional French names, affiliations, origins, and epithets to character records.
- Updated character import logic to handle new French fields.
- Enhanced character search and display components to show French names and epithets based on selected language.
- Modified database schema to include French fields for characters.
- Improved error handling in daily character setup to check for existing characters.
- Refactored components to utilize helper functions for displaying names and attributes based on language.

src/lib/components/YesterdayCharacter.svelte

@@ -1,8 +1,57 @@
 <script lang="ts">
 	import type { CharacterWithRelations } from "$lib/server/daily-character";
-	import { t } from '$lib/i18n';
+	import { language, t } from '$lib/i18n';
 
 	export let yesterdayCharacter: CharacterWithRelations | null;
+
+	$: isFrench = $language === 'fr';
+
+	function parseEpithets(value: unknown): string[] {
+		if (Array.isArray(value)) {
+			return value.filter((entry): entry is string => typeof entry === 'string' && entry.length > 0);
+		}
+
+		if (typeof value === 'string') {
+			try {
+				const parsed = JSON.parse(value);
+				if (Array.isArray(parsed)) {
+					return parsed.filter((entry): entry is string => typeof entry === 'string' && entry.length > 0);
+				}
+			} catch {
+				if (value.length > 0) {
+					return [value];
+				}
+			}
+		}
+
+		return [];
+	}
+
+	function getDisplayName(character: CharacterWithRelations): string {
+		if (isFrench && typeof character.frName === 'string' && character.frName.length > 0) {
+			return character.frName;
+		}
+
+		return character.name;
+	}
+
+	function getDisplayEpithets(character: CharacterWithRelations): string[] {
+		const frenchEpithets = parseEpithets(character.frEpithets);
+		if (isFrench && frenchEpithets.length > 0) {
+			return frenchEpithets;
+		}
+
+		return parseEpithets(character.epithets);
+	}
+
+	function getWikiUrl(character: CharacterWithRelations): string {
+		if (isFrench && typeof character.frUrl === 'string' && character.frUrl.length > 0) {
+			return character.frUrl;
+		}
+
+		return character.url || '';
+	}
+
 </script>
 
 <section class="mt-8 rounded-3xl border border-white/10 bg-white/5 p-6 shadow-[0_24px_60px_rgba(0,0,0,0.45)] backdrop-blur">
@@ -11,7 +60,7 @@
 			{#if yesterdayCharacter.pictureUrl}
 				<img
 					src={yesterdayCharacter.pictureUrl}
-					alt={yesterdayCharacter.name}
+					alt={getDisplayName(yesterdayCharacter)}
 					class="h-20 w-20 rounded-full border border-amber-200/40 object-cover"
 				/>
 			{:else}
@@ -21,23 +70,32 @@
 			{/if}
 			<div class="flex-1">
 				<p class="text-xs font-semibold uppercase tracking-[0.28em] text-amber-100">{$t.game.components.yesterdayCharacter.title}</p>
-				<p class="mt-2 text-lg font-semibold text-white">{yesterdayCharacter.name}</p>
-				{#if yesterdayCharacter.epithets}
+				<p class="mt-2 text-lg font-semibold text-white">{getDisplayName(yesterdayCharacter)}</p>
+				{#if getDisplayEpithets(yesterdayCharacter).length > 0}
 					<p class="mt-1 text-sm text-slate-400">
-						{typeof yesterdayCharacter.epithets === 'string' 
-							? JSON.parse(yesterdayCharacter.epithets).join(', ') 
-							: (yesterdayCharacter.epithets as string[]).join(', ')}
+						{getDisplayEpithets(yesterdayCharacter).join(', ')}
 					</p>
 				{/if}
 			</div>
-			<a
-				href={"https://onepiece.fandom.com/fr/wiki/" + yesterdayCharacter.url}
-				target="_blank"
-				rel="noopener noreferrer"
-				class="w-full rounded-full border border-amber-200/40 bg-transparent px-5 py-3 text-sm font-semibold text-amber-100 transition hover:border-amber-200 hover:text-amber-50 sm:w-auto"
-			>
-				{$t.game.components.yesterdayCharacter.openPage}
-			</a>
+			{#if isFrench}
+				<a
+					href="https://onepiece.fandom.com/fr/wiki/{getWikiUrl(yesterdayCharacter)}"
+					target="_blank"
+					rel="noopener noreferrer"
+					class="w-full rounded-full border border-amber-200/40 bg-transparent px-5 py-3 text-sm font-semibold text-amber-100 transition hover:border-amber-200 hover:text-amber-50 sm:w-auto"
+				>
+					{$t.game.components.yesterdayCharacter.openPage}
+				</a>
+			{:else}
+				<a
+					href="https://onepiece.fandom.com/wiki/{getWikiUrl(yesterdayCharacter)}"
+					target="_blank"
+					rel="noopener noreferrer"
+					class="w-full rounded-full border border-amber-200/40 bg-transparent px-5 py-3 text-sm font-semibold text-amber-100 transition hover:border-amber-200 hover:text-amber-50 sm:w-auto"
+				>
+					{$t.game.components.yesterdayCharacter.openPage}
+				</a>
+			{/if}
 		</div>
 	{:else}
 		<div class="flex flex-col items-center gap-5 text-center sm:flex-row sm:text-left">