manufacturing layer

server/prisma/schema.prisma

@@ -26,6 +26,7 @@ model User {
   ownedProjects Project[] @relation("ProjectOwner")
   workOrderMaterialIssues WorkOrderMaterialIssue[]
   workOrderCompletions WorkOrderCompletion[]
+  workOrderOperationLaborEntries WorkOrderOperationLaborEntry[]
   approvedSalesQuotes SalesQuote[] @relation("SalesQuoteApprovedBy")
   approvedSalesOrders SalesOrder[] @relation("SalesOrderApprovedBy")
   salesQuoteRevisionsCreated SalesQuoteRevision[] @relation("SalesQuoteRevisionCreatedBy")
@@ -688,15 +689,35 @@ model WorkOrderOperation {
   plannedStart     DateTime
   plannedEnd       DateTime
   notes            String
+  status           String   @default("PENDING")
+  actualStart      DateTime?
+  actualEnd        DateTime?
+  actualMinutes    Int      @default(0)
   createdAt        DateTime @default(now())
   updatedAt        DateTime @updatedAt
   workOrder        WorkOrder @relation(fields: [workOrderId], references: [id], onDelete: Cascade)
   station          ManufacturingStation @relation(fields: [stationId], references: [id], onDelete: Restrict)
+  laborEntries     WorkOrderOperationLaborEntry[]
 
   @@index([workOrderId, sequence])
   @@index([stationId, plannedStart])
 }
 
+model WorkOrderOperationLaborEntry {
+  id          String   @id @default(cuid())
+  operationId String
+  minutes     Int
+  notes       String
+  createdById String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+  operation   WorkOrderOperation @relation(fields: [operationId], references: [id], onDelete: Cascade)
+  createdBy   User? @relation(fields: [createdById], references: [id], onDelete: SetNull)
+
+  @@index([operationId, createdAt])
+  @@index([createdById, createdAt])
+}
+
 model WorkOrderMaterialIssue {
   id              String   @id @default(cuid())
   workOrderId     String