feat: add cache entries API and enhance CacheSettings component with server and service worker cache previews

src/app/api/komga/cache/entries/route.ts

@@ -0,0 +1,27 @@
+import { NextResponse } from "next/server";
+import type { ServerCacheService } from "@/lib/services/server-cache.service";
+import { getServerCacheService } from "@/lib/services/server-cache.service";
+import { ERROR_CODES } from "@/constants/errorCodes";
+import { getErrorMessage } from "@/utils/errors";
+
+export async function GET() {
+  try {
+    const cacheService: ServerCacheService = await getServerCacheService();
+    const entries = await cacheService.getCacheEntries();
+    
+    return NextResponse.json({ entries });
+  } catch (error) {
+    console.error("Erreur lors de la récupération des entrées du cache:", error);
+    return NextResponse.json(
+      {
+        error: {
+          code: ERROR_CODES.CACHE.SIZE_FETCH_ERROR,
+          name: "Cache entries fetch error",
+          message: getErrorMessage(ERROR_CODES.CACHE.SIZE_FETCH_ERROR),
+        },
+      },
+      { status: 500 }
+    );
+  }
+}
+