Group F - Fix spending per tenant

src/app/[locale]/tenants/[name]/page.tsx

@@ -67,18 +67,12 @@ export default async function TenantDetailPage({
   );
   const channelUsers = tenant.spec.channelUsers || {};
 
-  // Admins inspecting another tenant's usage: pass teamId AND keyAlias so
-  // the backend filters spend logs by this specific tenant's virtual key.
-  // Without keyAlias the response would include sibling tenants in the
-  // same org, since teams are now shared (Slice 2).
-  // Customers viewing their own: pass nothing — backend resolves both
-  // from the session-bound tenant.
-  const usageTeamId = user.isPlatform
-    ? tenant.status?.litellmTeamId || undefined
-    : undefined;
-  const usageKeyAlias = user.isPlatform
-    ? tenant.status?.litellmKeyAlias || undefined
-    : undefined;
+  // Bug 19 fix: every viewer (customer or admin) passes the tenant
+  // name to UsageDisplay. The /api/usage route resolves team+alias
+  // from the tenant CR's status and applies the visibility check, so
+  // no per-role branching is needed here. Previous version only
+  // passed identifiers for platform admins; customers got "the first
+  // visible tenant" by API fallback, mingling siblings.
 
   return (
     <div>
@@ -150,7 +144,7 @@ export default async function TenantDetailPage({
         <h2 className="text-xs font-semibold uppercase tracking-wider text-text-muted mb-3">
           {t("usage")}
         </h2>
-        <UsageDisplay teamId={usageTeamId} keyAlias={usageKeyAlias} />
+        <UsageDisplay tenant={name} />
       </section>
 
       {/* Packages */}