backend/src/common/errors/error-codes.ts

@@ -64,6 +64,7 @@ export const ErrorCode = {
   CONFLICT_FUTURE_APPOINTMENTS: 'CONFLICT_FUTURE_APPOINTMENTS',
   APPOINTMENT_PATIENT_LOCKED: 'APPOINTMENT_PATIENT_LOCKED',
   APPOINTMENT_HAS_TREATMENT: 'APPOINTMENT_HAS_TREATMENT',
+  TREATMENT_DETAIL_SENT: 'TREATMENT_DETAIL_SENT',
   BAD_REQUEST: 'BAD_REQUEST',
   INTERNAL_ERROR: 'INTERNAL_ERROR',
 } as const;

backend/src/modules/treatments/treatments.service.ts

@@ -1,9 +1,11 @@
 import {
   BadRequestException,
   ForbiddenException,
+  HttpStatus,
   Injectable,
   NotFoundException,
 } from '@nestjs/common';
+import { AppException, ErrorCode } from '../../common/errors';
 import { LabCaseActivityType, LabTaskStatus, LinkStatus, Prisma } from '@prisma/client';
 import { createReadStream, existsSync, mkdirSync } from 'fs';
 import { join } from 'path';
@@ -908,6 +910,25 @@ export class TreatmentsService {
       throw new BadRequestException('At least one file is required');
     }
 
+    const existingDetail = await this.prisma.treatmentDetail.findFirst({
+      where: {
+        clientKey: detailClientKey,
+        treatment: {
+          appointmentId,
+          organizationId,
+          ...treatmentProviderScopeWhere(actorUserId),
+        },
+      },
+      select: {
+        labCaseLink: {
+          select: { labCase: { select: { sentAt: true } } },
+        },
+      },
+    });
+    if (existingDetail?.labCaseLink?.labCase.sentAt) {
+      throw new AppException(ErrorCode.TREATMENT_DETAIL_SENT, HttpStatus.CONFLICT);
+    }
+
     const orgDir = join(this.uploadRoot, organizationId);
     mkdirSync(orgDir, { recursive: true });
 

frontend/messages/en.json

@@ -660,6 +660,7 @@
     "detailsTitle": "Treatment details",
     "detailsSubtitle": "Plan teeth, type, notes, and attachments for each detail line.",
     "addDetail": "Add detail",
+    "confirmRemoveDetail": "Remove this treatment detail?",
     "detailLabel": "Detail {n}",
     "detailSentBadge": "sent",
     "detailLockedInShipment": "This detail was sent to a lab and can no longer be edited.",
@@ -1015,6 +1016,7 @@
     "CONFLICT_FUTURE_APPOINTMENTS": "You cannot stop participating in treatments while you have future appointments. Reassign or cancel them first.",
     "APPOINTMENT_PATIENT_LOCKED": "Cannot change the patient while a treatment is linked to this appointment.",
     "APPOINTMENT_HAS_TREATMENT": "This appointment cannot be deleted because a treatment is linked to it.",
+    "TREATMENT_DETAIL_SENT": "This detail was sent to a lab and can no longer be changed.",
     "BAD_REQUEST": "The request could not be processed.",
     "INTERNAL_ERROR": "Something went wrong on our end. Please try again later."
   }

frontend/messages/fa.json

@@ -661,6 +661,7 @@
     "detailsTitle": "جزئیات درمان",
     "detailsSubtitle": "دندان‌ها، نوع، یادداشت و پیوست‌ها را برای هر خط جزئیات برنامه‌ریزی کنید.",
     "addDetail": "افزودن جزئیات",
+    "confirmRemoveDetail": "این جزئیات درمان حذف شود؟",
     "detailLabel": "جزئیات {n}",
     "detailSentBadge": "ارسال‌شده",
     "detailLockedInShipment": "این جزئیات به لابراتوار ارسال شده و دیگر قابل ویرایش نیست.",
@@ -1016,6 +1017,7 @@
     "CONFLICT_FUTURE_APPOINTMENTS": "تا وقتی نوبت‌های آینده دارید نمی‌توانید مشارکت در درمان را متوقف کنید. ابتدا آن‌ها را لغو یا واگذار کنید.",
     "APPOINTMENT_PATIENT_LOCKED": "تا وقتی درمانی به این نوبت متصل است، امکان تغییر بیمار وجود ندارد.",
     "APPOINTMENT_HAS_TREATMENT": "به‌دلیل وجود درمان مرتبط با این نوبت، امکان حذف آن وجود ندارد.",
+    "TREATMENT_DETAIL_SENT": "این جزئیات به لابراتوار ارسال شده و دیگر قابل تغییر نیست.",
     "BAD_REQUEST": "درخواست قابل پردازش نبود.",
     "INTERNAL_ERROR": "مشکلی در سرور رخ داد. لطفاً بعداً تلاش کنید."
   }

frontend/messages/nl.json

@@ -660,6 +660,7 @@
     "detailsTitle": "Behandeldetails",
     "detailsSubtitle": "Plan tanden, type, notities en bijlagen per detailregel.",
     "addDetail": "Detail toevoegen",
+    "confirmRemoveDetail": "Dit behandelingsdetail verwijderen?",
     "detailLabel": "Detail {n}",
     "detailSentBadge": "verzonden",
     "detailLockedInShipment": "Dit detail is naar het lab verzonden en kan niet meer worden bewerkt.",
@@ -1015,6 +1016,7 @@
     "CONFLICT_FUTURE_APPOINTMENTS": "U kunt niet stoppen met deelnemen aan behandelingen zolang u toekomstige afspraken hebt. Wijs ze eerst opnieuw toe of annuleer ze.",
     "APPOINTMENT_PATIENT_LOCKED": "De patiënt kan niet worden gewijzigd zolang er een behandeling aan deze afspraak is gekoppeld.",
     "APPOINTMENT_HAS_TREATMENT": "Deze afspraak kan niet worden verwijderd omdat er een behandeling aan is gekoppeld.",
+    "TREATMENT_DETAIL_SENT": "Dit detail is naar het lab verzonden en kan niet meer worden gewijzigd.",
     "BAD_REQUEST": "Het verzoek kon niet worden verwerkt.",
     "INTERNAL_ERROR": "Er is iets misgegaan aan onze kant. Probeer het later opnieuw."
   }

frontend/src/components/ui/treatment/TreatmentDetailsEditor.tsx

@@ -32,6 +32,7 @@ interface TreatmentDetailsEditorProps {
   saveStatus: 'idle' | 'dirty' | 'saving' | 'saved' | 'error';
   uploadBusy: boolean;
   onAddDetail: () => void;
+  onRemoveDetail: () => void;
   onUploadFiles: (files: FileList | null) => void;
 }
 
@@ -48,9 +49,11 @@ export function TreatmentDetailsEditor({
   saveStatus,
   uploadBusy,
   onAddDetail,
+  onRemoveDetail,
   onUploadFiles,
 }: TreatmentDetailsEditorProps) {
   const t = useTranslations('treatment');
+  const tCommon = useTranslations('common');
   const attachmentInputRef = useRef<HTMLInputElement>(null);
   const activeDetail = details.find((d) => d.clientId === activeDetailId) ?? details[0];
 
@@ -58,6 +61,7 @@ export function TreatmentDetailsEditor({
 
   const locked = isDetailLocked(activeDetail);
   const readOnly = disabled || locked;
+  const canRemoveDetail = canEdit && !disabled && !locked && details.length > 1;
   const treatmentTypeTextColor = isDetailTypeSelected(activeDetail)
     ? treatmentTypeColor(
         activeDetail.treatmentType,
@@ -206,6 +210,21 @@ export function TreatmentDetailsEditor({
             </ul>
           )}
         </div>
+
+        {canRemoveDetail ? (
+          <div className="pt-1">
+            <Button
+              type="button"
+              variant="danger"
+              onClick={onRemoveDetail}
+              disabled={uploadBusy}
+              fullWidth
+              className="sm:w-auto"
+            >
+              {tCommon('delete')}
+            </Button>
+          </div>
+        ) : null}
       </div>
 
       {canEdit && saveStatus !== 'idle' && (

frontend/src/components/ui/treatment/TreatmentWorkspace.tsx

@@ -1249,6 +1249,8 @@ export function TreatmentWorkspace({
   const uploadForDetail = useCallback(
     async (detailClientId: string, files: FileList | File[]) => {
       if (!canEditTreatmentForDay || !selectedAppointment) return;
+      const target = detailsRef.current.find((d) => d.clientId === detailClientId);
+      if (target && isDetailLocked(target)) return;
       const list = files instanceof FileList ? Array.from(files) : files;
       if (!list.length) return;
 
@@ -1273,7 +1275,7 @@ export function TreatmentWorkspace({
         setUploadBusyDetailId(null);
       }
     },
-    [canEditTreatmentForDay, selectedAppointment, showSuccess, showError, t],
+    [canEditTreatmentForDay, isDetailLocked, selectedAppointment, showSuccess, showError, t, tErrors],
   );
 
   const persistLabCases = useCallback(
@@ -1373,9 +1375,40 @@ export function TreatmentWorkspace({
       selectedAppointment,
       showError,
       t,
+      tErrors,
     ],
   );
 
+  const handleRemoveActiveDetail = useCallback(() => {
+    if (!canEditTreatmentForDay) return;
+    const idx = details.findIndex((d) => d.clientId === activeDetailId);
+    if (idx < 0) return;
+    const active = details[idx];
+    if (!active || isDetailLocked(active) || details.length <= 1) return;
+    if (!window.confirm(t('confirmRemoveDetail'))) return;
+
+    const removedId = active.clientId;
+    const nextDetails = details.filter((d) => d.clientId !== removedId);
+    const nextActive =
+      nextDetails[Math.min(idx, nextDetails.length - 1)]?.clientId ?? nextDetails[0]?.clientId;
+    setDetails(nextDetails);
+    if (nextActive) setActiveDetailId(nextActive);
+
+    if (labCaseDrafts.some((lc) => lc.detailClientId === removedId)) {
+      handleLabCasesChange(
+        withoutEmptyLabCaseDrafts(labCaseDrafts.filter((lc) => lc.detailClientId !== removedId)),
+      );
+    }
+  }, [
+    activeDetailId,
+    canEditTreatmentForDay,
+    details,
+    handleLabCasesChange,
+    isDetailLocked,
+    labCaseDrafts,
+    t,
+  ]);
+
   const handleAddLabCase = useCallback(async () => {
     if (!canEditTreatmentForDay || !selectedAppointment) return;
 
@@ -1779,6 +1812,7 @@ export function TreatmentWorkspace({
               setDetails((prev) => [...prev, next]);
               setActiveDetailId(next.clientId);
             }}
+            onRemoveDetail={handleRemoveActiveDetail}
             onUploadFiles={(files) => void uploadForDetail(activeDetailId, files ?? [])}
           />