feat: latin-only slugs, server-side avatar generation, remove unused User fields

server/src/lib/bootstrap-admin.js

@@ -1,4 +1,5 @@
 import { normalizeEmail } from './auth.js'
+import { generateAvatar } from './generate-avatar.js'
 import { prisma } from './prisma.js'
 
 export async function ensureAdminUser() {
@@ -8,10 +9,11 @@ export async function ensureAdminUser() {
     throw new Error('ADMIN_EMAIL должен быть валидным email')
   }
 
+  const avatarUri = await generateAvatar(adminEmail)
   await prisma.user.upsert({
     where: { email: adminEmail },
     update: {},
-    create: { email: adminEmail },
+    create: { email: adminEmail, avatar: avatarUri, avatarStyle: 'avataaars' },
   })
 
   // Ensure admin notification settings exist

server/src/lib/generate-avatar.js

@@ -0,0 +1,9 @@
+import { createAvatar } from '@dicebear/core'
+import { avataaars } from '@dicebear/collection'
+
+const DEFAULT_STYLE = avataaars
+
+export async function generateAvatar(seed) {
+  const avatar = createAvatar(DEFAULT_STYLE, { seed: String(seed) })
+  return avatar.toDataUri()
+}