feat: enhance station work logging with user display names and improve loading/unloading logic

apps/edr-freight-web/backoffice/src/components/trainScheduling/StationWorkControls.tsx

@@ -217,6 +217,20 @@ export function StationWorkControls({
               {fmtTime(log!.startedAt!)} → {ended ? fmtTime(log!.endedAt!) : "…"} (
               {fmtElapsed(log!.startedAt!, log?.endedAt)})
             </Text>
+            {log?.startedByName || log?.endedByName ? (
+              <Tooltip
+                label={[
+                  log?.startedByName ? `Started by ${log.startedByName}` : null,
+                  log?.endedByName ? `Ended by ${log.endedByName}` : null,
+                ]
+                  .filter(Boolean)
+                  .join(" · ")}
+              >
+                <Badge size="xs" variant="light" color="gray" radius="sm">
+                  {log?.endedByName ?? log?.startedByName}
+                </Badge>
+              </Tooltip>
+            ) : null}
             <EditTimeButton
               label={`${phase} start`}
               value={log!.startedAt!}