feat: add generated code

backend/prisma/schema.prisma

@@ -0,0 +1,51 @@
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+enum EquipmentStatus {
+  Active
+  Repair
+  Reserve
+  WriteOff
+}
+
+model Equipment {
+  id               String          @id @default(uuid())
+  name             String
+  serialNumber     String
+  dateOfInspection DateTime?
+  commissionedAt   DateTime?
+  status           EquipmentStatus
+  createdAt        DateTime        @default(now())
+  updatedAt        DateTime        @updatedAt
+
+  // Relations
+  statusChanges ChangeEquipmentStatus[]
+
+  @@unique([serialNumber])
+  @@index([status])
+  @@index([dateOfInspection])
+  @@index([commissionedAt])
+}
+
+model ChangeEquipmentStatus {
+  equipmentId String
+  newStatus   EquipmentStatus
+  number      String?
+  date        DateTime
+  responsible String?
+  createdAt   DateTime        @default(now())
+  updatedAt   DateTime        @updatedAt
+
+  // Relations
+  equipment Equipment @relation(fields: [equipmentId], references: [id], onDelete: Cascade)
+
+  @@id([equipmentId, newStatus])
+  @@index([date])
+  @@index([responsible])
+}