Fix donors display: add back to main UI and improve TVSlotId processing

Co-authored-by: adameat <[email protected]>

Author: Copilot

src/components/VDiskInfo/VDiskInfo.tsx

@@ -9,9 +9,10 @@ import {cn} from '../../utils/cn';
 import {
     formatStorageValuesToGb,
     formatUptimeInSeconds,
+    stringifyVdiskId,
 } from '../../utils/dataFormatters/dataFormatters';
 import {createVDiskDeveloperUILink} from '../../utils/developerUI/developerUI';
-import {getSeverityColor} from '../../utils/disks/helpers';
+import {getSeverityColor, isFullVDiskData} from '../../utils/disks/helpers';
 import type {PreparedVDisk} from '../../utils/disks/types';
 import {useIsUserAllowedToMakeChanges} from '../../utils/hooks/useIsUserAllowedToMakeChanges';
 import {bytesToSpeed} from '../../utils/utils';
@@ -52,6 +53,7 @@ export function VDiskInfo<T extends PreparedVDisk>({
         Replicated,
         ReplicationProgress,
         ReplicationSecondsRemaining,
+        Donors,
         VDiskState,
         VDiskSlotId,
         Kind,
@@ -188,6 +190,32 @@ export function VDiskInfo<T extends PreparedVDisk>({
         });
     }
 
+    // Show donors list when replication is in progress  
+    if (Replicated === false && VDiskState === EVDiskState.OK && Donors && Donors.length > 0) {
+        const donorsList = Donors.map((donor) => {
+            if (isFullVDiskData(donor)) {
+                // Full VDisk data - use VDiskId if available
+                return stringifyVdiskId(donor.VDiskId);
+            } else {
+                // TVSlotId data - construct from NodeId-PDiskId-VSlotId
+                const {NodeId: dNodeId, PDiskId: dPDiskId, VSlotId} = donor;
+                if (valueIsDefined(dNodeId) && valueIsDefined(dPDiskId) && valueIsDefined(VSlotId)) {
+                    return `${dNodeId}-${dPDiskId}-${VSlotId}`;
+                }
+                return null;
+            }
+        })
+            .filter(Boolean)
+            .join(', ');
+
+        if (donorsList) {
+            rightColumn.push({
+                label: vDiskInfoKeyset('donors'),
+                value: donorsList,
+            });
+        }
+    }
+
     const diskParamsDefined =
         valueIsDefined(PDiskId) && valueIsDefined(NodeId) && valueIsDefined(VDiskSlotId);
 

src/utils/disks/prepareDisks.ts

@@ -63,8 +63,27 @@ export function prepareWhiteboardVDiskData(
     const StringifiedId = stringifyVdiskId(VDiskId);
 
     const preparedDonors = Donors?.map((donor) => {
-        return prepareWhiteboardVDiskData({...donor, DonorMode: true});
-    });
+        // Handle both TVDiskStateInfo and TVSlotId donor types
+        if (isFullVDiskData(donor)) {
+            // Full VDisk data
+            return prepareWhiteboardVDiskData({...donor, DonorMode: true});
+        } else {
+            // TVSlotId data - create a minimal PreparedVDisk
+            const {NodeId: dNodeId, PDiskId: dPDiskId, VSlotId} = donor;
+            const StringifiedId = 
+                valueIsDefined(dNodeId) && valueIsDefined(dPDiskId) && valueIsDefined(VSlotId)
+                    ? `${dNodeId}-${dPDiskId}-${VSlotId}`
+                    : '';
+            
+            return {
+                NodeId: dNodeId,
+                PDiskId: dPDiskId, 
+                VDiskSlotId: VSlotId,
+                StringifiedId,
+                DonorMode: true,
+            } as PreparedVDisk;
+        }
+    }).filter((donor) => donor.StringifiedId);
 
     return {
         ...restVDiskFields,