simplify

src/services/api/shared.js

@@ -36,7 +36,9 @@ export function handleResponse(base, data) {
   if (base.code === 0) {
     return { ...base, ...data };
   }
-  throw new Error('request failed');
+  const err = new Error(base.message || 'request failed');
+  err.code = base.code;
+  throw err;
 }
 
 export function toTimeRange(input) {
@@ -162,8 +164,7 @@ export function mapInvitationRecord(rec) {
     used_by: rec.usedBy,
     used_by_external_id: rec.usedByExternalId ?? null,
     used_at: rec.usedAt,
-    status: rec.status,
-    row_key: `${rec.code || ''}_${rec.usedAt || ''}_${rec.status || ''}`
+    status: rec.status
   };
 }
 
@@ -176,8 +177,7 @@ export function mapNotification(item) {
     title: item.title,
     content: item.content,
     payload: item.payload,
-    created_at: item.createdAt,
-    read: item.status === 'read'
+    created_at: item.createdAt
   };
 }