improvement: treatment preview and treatment history components overhauled. draft & completed status for treatment plan completely removed from the flow.

backend/prisma/schema.prisma

@@ -114,11 +114,6 @@ model Appointment {
   @@map("appointments")
 }
 
-enum TreatmentStatus {
-  DRAFT
-  COMPLETED
-}
-
 enum LabTaskStatus {
   PENDING
   IN_PROGRESS
@@ -126,13 +121,12 @@ enum LabTaskStatus {
 }
 
 model Treatment {
-  id             String          @id @default(uuid())
+  id             String   @id @default(uuid())
   organizationId String
   patientId      String
-  appointmentId  String?         @unique
+  appointmentId  String?  @unique
   providerUserId String
   title          String
-  status         TreatmentStatus @default(DRAFT)
   treatmentAt    DateTime
 
   organization Organization    @relation(fields: [organizationId], references: [id], onDelete: Cascade)
@@ -145,7 +139,6 @@ model Treatment {
   updatedAt DateTime @updatedAt
 
   @@index([patientId, treatmentAt])
-  @@index([organizationId, status])
   @@map("treatments")
 }