improvement: treatment plan now save on debounce. save treatment button removed.

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

@@ -15,12 +15,10 @@ interface TreatmentDetailsEditorProps {
   isDetailLocked: (detail: TreatmentDetailDraft) => boolean;
   disabled: boolean;
   canEdit: boolean;
-  isDirty: boolean;
-  saveBusy: boolean;
+  saveStatus: 'idle' | 'dirty' | 'saving' | 'saved' | 'error';
   uploadBusy: boolean;
   onAddDetail: () => void;
   onPreview: () => void;
-  onSave: () => void;
   onUploadFiles: (files: FileList | null) => void;
 }
 
@@ -32,12 +30,10 @@ export function TreatmentDetailsEditor({
   isDetailLocked,
   disabled,
   canEdit,
-  isDirty,
-  saveBusy,
+  saveStatus,
   uploadBusy,
   onAddDetail,
   onPreview,
-  onSave,
   onUploadFiles,
 }: TreatmentDetailsEditorProps) {
   const t = useTranslations('treatment');
@@ -175,21 +171,19 @@ export function TreatmentDetailsEditor({
         </div>
       </div>
 
-      {canEdit && (
-        <div className="flex flex-wrap gap-3 pt-2 border-t border-border/60">
-          <Button
-            type="button"
-            variant="primary"
-            disabled={disabled || saveBusy}
-            isLoading={saveBusy}
-            onClick={onSave}
-          >
-            {t('saveDraft')}
-          </Button>
-          <p className="text-xs text-text-muted self-center">
-            {isDirty ? t('unsavedChanges') : t('draftSaved')}. {t('detailsSaveHint')}
-          </p>
-        </div>
+      {canEdit && saveStatus !== 'idle' && (
+        <p
+          className={`text-xs pt-2 border-t border-border/60 ${
+            saveStatus === 'error' ? 'text-red-500' : 'text-text-muted'
+          }`}
+          role="status"
+          aria-live="polite"
+        >
+          {saveStatus === 'dirty' && t('unsavedChanges')}
+          {saveStatus === 'saving' && t('saveStatusSaving')}
+          {saveStatus === 'saved' && t('saveStatusSaved')}
+          {saveStatus === 'error' && t('saveStatusError')}
+        </p>
       )}
     </div>
   );