Add activity sort toggle on user profile page

Default sort is by activity date (startedAt); users can switch to
"Date added" (createdAt) via a URL query param (?sort=addedAt).
Activities without a startedAt fall to the bottom when sorted by date.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/journal/app/lib/activities.server.ts

@@ -143,13 +143,17 @@ export async function listActivities(ownerId: string) {
  * listings (the public profile page); never includes `unlisted` or
  * `private` content.
  */
-export async function listPublicActivitiesForOwner(ownerId: string) {
+export async function listPublicActivitiesForOwner(
+  ownerId: string,
+  sort: "startedAt" | "addedAt" = "startedAt",
+) {
   const db = getDb();
+  const order = sort === "addedAt" ? desc(activities.createdAt) : desc(activities.startedAt);
   const rows = await db
     .select()
     .from(activities)
     .where(and(eq(activities.ownerId, ownerId), eq(activities.visibility, "public")))
-    .orderBy(desc(activities.createdAt));
+    .orderBy(order);
 
   const ids = rows.map((r) => r.id);
   const geojsonMap = ids.length > 0 ? await getSimplifiedActivityGeojsonBatch(ids) : new Map();

apps/journal/app/routes/users.$username.tsx

@@ -43,10 +43,14 @@ export async function loader({ params, request }: Route.LoaderArgs) {
     countFollowers(user.id),
     countFollowing(user.id),
   ]);
+  const url = new URL(request.url);
+  const sortParam = url.searchParams.get("sort");
+  const activitySort = sortParam === "addedAt" ? "addedAt" : "startedAt";
+
   const [publicRoutes, publicActivities] = canSeeContent
     ? await Promise.all([
         listPublicRoutesForOwner(user.id),
-        listPublicActivitiesForOwner(user.id),
+        listPublicActivitiesForOwner(user.id, activitySort),
       ])
     : [[], []];
 
@@ -80,6 +84,7 @@ export async function loader({ params, request }: Route.LoaderArgs) {
       startedAt: a.startedAt?.toISOString() ?? null,
       createdAt: a.createdAt.toISOString(),
     })),
+    activitySort,
     isOwn,
     isDemoUser,
     followers,
@@ -113,7 +118,7 @@ export function meta({ data: loaderData }: Route.MetaArgs) {
 }
 
 export default function UserProfilePage({ loaderData }: Route.ComponentProps) {
-  const { user, routes, activities, isOwn, isDemoUser, followers, following, followState, isLoggedIn, canSeeContent } = loaderData;
+  const { user, routes, activities, activitySort, isOwn, isDemoUser, followers, following, followState, isLoggedIn, canSeeContent } = loaderData;
   const { t } = useTranslation("journal");
 
   return (
@@ -259,9 +264,27 @@ export default function UserProfilePage({ loaderData }: Route.ComponentProps) {
       </section>
 
       <section className="mt-8">
-        <h2 className="text-lg font-semibold text-gray-900">
-          {t("activities.title")} ({activities.length})
-        </h2>
+        <div className="flex items-center justify-between gap-4">
+          <h2 className="text-lg font-semibold text-gray-900">
+            {t("activities.title")} ({activities.length})
+          </h2>
+          {activities.length > 0 && (
+            <div className="flex items-center gap-1 rounded-md border border-gray-200 p-0.5 text-sm">
+              <a
+                href={`?sort=startedAt`}
+                className={`rounded px-2.5 py-1 ${activitySort === "startedAt" ? "bg-gray-100 font-medium text-gray-900" : "text-gray-500 hover:text-gray-700"}`}
+              >
+                {t("activities.sortByDate")}
+              </a>
+              <a
+                href={`?sort=addedAt`}
+                className={`rounded px-2.5 py-1 ${activitySort === "addedAt" ? "bg-gray-100 font-medium text-gray-900" : "text-gray-500 hover:text-gray-700"}`}
+              >
+                {t("activities.sortByAdded")}
+              </a>
+            </div>
+          )}
+        </div>
         {activities.length === 0 ? (
           <p className="mt-2 text-sm text-gray-500">{t("profile.noPublicActivities")}</p>
         ) : (

packages/i18n/src/locales/de.ts

@@ -351,6 +351,8 @@ export default {
       delete: "Aktivität löschen",
       deleteConfirm: "Möchtest du diese Aktivität wirklich löschen?",
       importedFrom: "Importiert von {{provider}}",
+      sortByDate: "Aktivitätsdatum",
+      sortByAdded: "Hinzugefügt am",
       visibility: {
         label: "Sichtbarkeit",
         private: "Privat",

packages/i18n/src/locales/en.ts

@@ -351,6 +351,8 @@ export default {
       delete: "Delete Activity",
       deleteConfirm: "Are you sure you want to delete this activity?",
       importedFrom: "Imported from {{provider}}",
+      sortByDate: "Activity date",
+      sortByAdded: "Date added",
       visibility: {
         label: "Visibility",
         private: "Private",