feat(search): include user profiles in global search results

Add users group to global search API and frontend types
Query users by display name and link to their public profiles
Update system wordings for the new search group

backend/src/queries.ts

@@ -43,7 +43,8 @@ type GlobalSearchGroupType =
   | 'ancient-artifacts'
   | 'recipes'
   | 'daily-checklist'
-  | 'life';
+  | 'life'
+  | 'users';
 type GlobalSearchItem = {
   id: number;
   type: GlobalSearchGroupType;
@@ -2466,7 +2467,7 @@ export async function globalSearch(paramsQuery: QueryParams = {}, locale = defau
   const checklistTitle = localizedField('daily-checklist-items', 'c.id', 'c.title', 'title', locale);
   const lifeCategoryName = localizedName('life-tags', 'lc', locale);
 
-  const [pokemon, habitats, items, artifacts, recipes, checklist, life] = await Promise.all([
+  const [pokemon, habitats, items, artifacts, recipes, checklist, life, users] = await Promise.all([
     query<GlobalSearchItem>(
       `
         SELECT
@@ -2604,6 +2605,23 @@ export async function globalSearch(paramsQuery: QueryParams = {}, locale = defau
         LIMIT $2
       `,
       [pattern, limit]
+    ),
+    query<GlobalSearchItem>(
+      `
+        SELECT
+          u.id,
+          'users' AS type,
+          u.display_name AS title,
+          '/profile/' || u.id AS url,
+          NULL AS summary,
+          NULL AS meta,
+          NULL AS image
+        FROM users u
+        WHERE u.display_name ILIKE $1
+        ORDER BY lower(u.display_name), u.id
+        LIMIT $2
+      `,
+      [pattern, limit]
     )
   ]);
 
@@ -2614,7 +2632,8 @@ export async function globalSearch(paramsQuery: QueryParams = {}, locale = defau
     { type: 'ancient-artifacts', items: artifacts },
     { type: 'recipes', items: recipes },
     { type: 'daily-checklist', items: checklist },
-    { type: 'life', items: life }
+    { type: 'life', items: life },
+    { type: 'users', items: users }
   ];
 
   return { query: search, groups: groups.filter((group) => group.items.length > 0) };