feature: a minimal v1 backend implemented for treatments feature.

frontend/src/app/(dashboard)/patients/page.tsx

@@ -8,16 +8,10 @@ import { formatApiErrorMessage } from '@/components/shared/formatApiError';
 import { useAuth } from '@/lib/hooks/useAuth';
 import { useToast } from '@/lib/hooks/useToast';
 import { hasPermission } from '@/components/shared/permissions';
-import {
-  CreatePatientInput,
-  CreateTreatmentHistoryInput,
-  Patient,
-  TreatmentHistoryItem,
-} from '@/types/patient';
+import { CreatePatientInput, Patient } from '@/types/patient';
 import { PatientSearchSelect } from '../../../components/ui/patient/PatientSearchSelect';
 import { CreatePatientModal } from '../../../components/ui/patient/CreatePatientModal';
 import { PatientSummaryCard } from '../../../components/ui/patient/PatientSummaryCard';
-import { TreatmentHistoryPreview } from '../../../components/ui/patient/TreatmentHistoryPreview';
 
 const EMPTY_PATIENT_FORM: CreatePatientInput = {
   firstName: '',
@@ -32,12 +26,9 @@ export default function PatientsPage() {
   const [search, setSearch] = useState('');
   const [patients, setPatients] = useState<Patient[]>([]);
   const [selectedPatient, setSelectedPatient] = useState<Patient | undefined>();
-  const [treatments, setTreatments] = useState<TreatmentHistoryItem[]>([]);
   const [loadingPatients, setLoadingPatients] = useState(false);
-  const [loadingTreatments, setLoadingTreatments] = useState(false);
   const [isCreateOpen, setIsCreateOpen] = useState(false);
   const [savingPatient, setSavingPatient] = useState(false);
-  const [savingTreatment, setSavingTreatment] = useState(false);
   const [patientForm, setPatientForm] = useState<CreatePatientInput>(EMPTY_PATIENT_FORM);
   const canEditPatients = hasPermission(currentOrganization, 'TAB_PATIENTS_EDIT');
 
@@ -79,19 +70,6 @@ export default function PatientsPage() {
     }
   }
 
-  async function loadTreatments(patientId: string) {
-    setLoadingTreatments(true);
-    toast.setError('');
-    try {
-      const response = await patientsApi.listTreatments(patientId);
-      setTreatments(response.data);
-    } catch (error: unknown) {
-      toast.showError(formatApiErrorMessage(error, 'Failed to load treatment history.'));
-    } finally {
-      setLoadingTreatments(false);
-    }
-  }
-
   async function handleCreatePatient() {
     setSavingPatient(true);
     toast.setError('');
@@ -101,7 +79,6 @@ export default function PatientsPage() {
       setPatientForm(EMPTY_PATIENT_FORM);
       await loadPatients(search);
       setSelectedPatient(response.data);
-      await loadTreatments(response.data.id);
       toast.showSuccess(
         `Patient ${response.data.firstName} ${response.data.lastName} was saved successfully.`,
       );
@@ -112,31 +89,6 @@ export default function PatientsPage() {
     }
   }
 
-  async function handleQuickAddTreatment() {
-    if (!selectedPatient) {
-      return;
-    }
-
-    const payload: CreateTreatmentHistoryInput = {
-      title: 'Initial consultation',
-      status: 'scheduled',
-      treatmentAt: new Date().toISOString(),
-      notes: 'Created from quick action on patients page.',
-    };
-
-    setSavingTreatment(true);
-    toast.setError('');
-    try {
-      await patientsApi.addTreatment(selectedPatient.id, payload);
-      await loadTreatments(selectedPatient.id);
-      toast.showSuccess('Treatment entry added successfully.');
-    } catch (error: unknown) {
-      toast.showError(formatApiErrorMessage(error, 'Failed to add treatment entry.'));
-    } finally {
-      setSavingTreatment(false);
-    }
-  }
-
   return (
     <div className="space-y-6">
       <div className="flex items-center justify-between gap-3">
@@ -179,31 +131,13 @@ export default function PatientsPage() {
             onSearchChange={setSearch}
             patients={sortedPatients}
             selectedPatientId={selectedPatient?.id}
-            onSelectPatient={(patient) => {
-              setSelectedPatient(patient);
-              void loadTreatments(patient.id);
-            }}
+            onSelectPatient={setSelectedPatient}
             loading={loadingPatients}
           />
         </div>
 
         <div className="xl:col-span-2 space-y-4">
           <PatientSummaryCard patient={selectedPatient} />
-          <div className="flex">
-            <Button
-              variant="secondary"
-              disabled={!selectedPatient || !canEditPatients}
-              isLoading={savingTreatment}
-              onClick={() => {
-                if (!canEditPatients) return;
-                void handleQuickAddTreatment();
-              }}
-              title={!canEditPatients ? 'Read-only access for this organization.' : undefined}
-            >
-              Add Quick Treatment Entry
-            </Button>
-          </div>
-          <TreatmentHistoryPreview items={treatments} loading={loadingTreatments} />
         </div>
       </div>
     </div>