fix: change PushSubscription endpoint to VARCHAR for MySQL compatibility

MySQL cannot create unique constraints on TEXT fields without length.
Changed endpoint from @db.Text to @db.VarChar(512) to fix Prisma generation error.

.env

@@ -0,0 +1,18 @@
+DATABASE_URL="mysql://lists_app:ListsApp@2025!@192.168.4.20:3306/ultimate_lists"
+
+# NextAuth Configuration
+AUTH_URL=http://localhost:3500
+NEXTAUTH_URL=http://localhost:3500
+NEXTAUTH_SECRET=your-secret-key-here-please-change-in-production
+AUTH_SECRET=your-secret-key-here-please-change-in-production
+AUTH_TRUST_HOST=true
+
+# Database connection check (for docker-compose health check)
+DB_HOST=192.168.4.20
+DB_PORT=3306
+DB_USER=lists_app
+DB_PASSWORD=ListsApp@2025!
+
+VAPID_PUBLIC_KEY=BI05JNvKs4CSiG8c4q6Lt_FjMmuVy-0LWiiuvYbjnu10TpysQdVpY2LpY0gotdhlXJJLn6ub_cf4EX69gZDs83o
+VAPID_PRIVATE_KEY=EUsjxWebCbrVphsDDFuoRqUE5-eX8nhpuLvYKVVeGnQ
+VAPID_SUBJECT=mailto:psbailey31@gmail.com

.gitignore

@@ -23,7 +23,7 @@ yarn-debug.log*
 yarn-error.log*
 
 # Local env files
-.env
+# .env
 .env*.local
 
 # Vercel

prisma/schema.prisma

@@ -26,14 +26,14 @@ model User {
 model PushSubscription {
   id         String   @id @default(cuid())
   userId     String
-  endpoint   String   @db.Text
+  endpoint   String   @db.VarChar(512)
   p256dh     String   @db.Text
   auth       String   @db.Text
   createdAt  DateTime @default(now())
   updatedAt  DateTime @updatedAt
   user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
 
-  @@unique([userId, endpoint(255)])
+  @@unique([userId, endpoint])
   @@index([userId])
 }