R63 A1-A6：通知中心体验增强

client/src/lib/notificationLinks.ts

@@ -0,0 +1,75 @@
+type NotificationTarget = {
+  targetType: string | null;
+  targetId: string | null;
+};
+
+export function resolveNotificationTargetLink(item: NotificationTarget) {
+  if (!item.targetType || !item.targetId) return null;
+
+  if (item.targetType === "workflow_task") {
+    return `/workflow/tasks/${item.targetId}`;
+  }
+
+  if (item.targetType === "reimbursement_form") {
+    return `/reimbursements/${item.targetId}`;
+  }
+
+  if (item.targetType === "leave_request") {
+    return `/leave-requests?highlight=${item.targetId}`;
+  }
+
+  if (item.targetType === "purchase_request") {
+    return `/purchase-requests?highlight=${item.targetId}`;
+  }
+
+  if (item.targetType === "travel_request") {
+    return `/travel-requests?highlight=${item.targetId}`;
+  }
+
+  if (item.targetType === "asset" || item.targetType === "asset_card") {
+    return `/assets?highlight=${item.targetId}`;
+  }
+
+  if (item.targetType === "inventory_check") {
+    return `/inventory-checks?highlight=${item.targetId}`;
+  }
+
+  if (item.targetType === "employee") {
+    return "/settings/profile";
+  }
+
+  return null;
+}
+
+export function formatNotificationRelativeTime(value: string | null) {
+  if (!value) {
+    return "-";
+  }
+
+  const timestamp = new Date(value).getTime();
+  if (Number.isNaN(timestamp)) {
+    return "-";
+  }
+
+  const diffMs = Date.now() - timestamp;
+  if (diffMs < 60 * 1000) {
+    return "刚刚";
+  }
+
+  const diffMinutes = Math.floor(diffMs / (60 * 1000));
+  if (diffMinutes < 60) {
+    return `${diffMinutes} 分钟前`;
+  }
+
+  const diffHours = Math.floor(diffMinutes / 60);
+  if (diffHours < 24) {
+    return `${diffHours} 小时前`;
+  }
+
+  const diffDays = Math.floor(diffHours / 24);
+  if (diffDays < 7) {
+    return `${diffDays} 天前`;
+  }
+
+  return new Date(value).toLocaleDateString("zh-CN");
+}