Add Contact standard object, related lists, meilisearch, pagination, search, AI assistant

backend/prisma/schema.prisma

@@ -145,12 +145,42 @@ model Account {
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
 
-  owner  User   @relation(fields: [ownerId], references: [id])
+  owner    User     @relation(fields: [ownerId], references: [id])
+  contacts Contact[]
 
   @@index([ownerId])
   @@map("accounts")
 }
 
+model Contact {
+  id        String   @id @default(uuid())
+  firstName String
+  lastName  String
+  accountId String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  account Account @relation(fields: [accountId], references: [id], onDelete: Cascade)
+
+  @@index([accountId])
+  @@map("contacts")
+}
+
+model ContactDetail {
+  id                String   @id @default(uuid())
+  relatedObjectType String
+  relatedObjectId   String
+  detailType        String
+  label             String?
+  value             String
+  isPrimary         Boolean  @default(false)
+  createdAt         DateTime @default(now())
+  updatedAt         DateTime @updatedAt
+
+  @@index([relatedObjectType, relatedObjectId])
+  @@map("contact_details")
+}
+
 // Application Builder
 model App {
   id          String   @id @default(uuid())