Refactor for i18n, CMS integration, and project slugs; enhance admin & analytics

Co-authored-by: dennis <dennis@konkol.net>

lib/prisma.ts

@@ -1,4 +1,5 @@
 import { PrismaClient } from '@prisma/client';
+import { generateUniqueSlug } from './slug';
 
 const globalForPrisma = globalThis as unknown as {
   prisma: PrismaClient | undefined;
@@ -68,9 +69,26 @@ export const projectService = {
 
   // Create new project
   async createProject(data: Record<string, unknown>) {
+    const providedSlug = typeof data.slug === 'string' ? data.slug : undefined;
+    const providedTitle = typeof data.title === 'string' ? data.title : undefined;
+
+    const slug =
+      providedSlug?.trim() ||
+      (await generateUniqueSlug({
+        base: providedTitle || 'project',
+        isTaken: async (candidate) => {
+          const existing = await prisma.project.findUnique({
+            where: { slug: candidate },
+            select: { id: true },
+          });
+          return !!existing;
+        },
+      }));
+
     return prisma.project.create({
       data: {
         ...data,
+        slug,
         performance: data.performance || { lighthouse: 0, bundleSize: '0KB', loadTime: '0s' },
         analytics: data.analytics || { views: 0, likes: 0, shares: 0 }
       } as any // eslint-disable-line @typescript-eslint/no-explicit-any