diff --git a/app/components/SessionCard.tsx b/app/components/SessionCard.tsx
index c3ff80c..f3e15e6 100644
--- a/app/components/SessionCard.tsx
+++ b/app/components/SessionCard.tsx
@@ -14,11 +14,25 @@ interface JoinStats {
 
 const MOCK_JOINERS = RECENT_JOINERS.slice(0, 3);
 
+type SessionTag = keyof typeof SESSION_TAGS;
+
+interface SessionItem {
+  id: string;
+  type: "skill-exchange" | "side-hustle" | "loft" | "light-chat";
+  title: string;
+  date: string;
+  time: string;
+  place: string;
+  city: string;
+  coverImage?: string;
+  tags?: readonly SessionTag[];
+}
+
 export default function SessionCard({
   session,
   index,
 }: {
-  session: (ReturnType<typeof getSessionsWithDates>)[0];
+  session: SessionItem;
   index: number;
 }) {
   const [stats, setStats] = useState<JoinStats | null>(null);
diff --git a/app/host/[id]/page.tsx b/app/host/[id]/page.tsx
index b00d0a3..f33d6d6 100644
--- a/app/host/[id]/page.tsx
+++ b/app/host/[id]/page.tsx
@@ -74,7 +74,7 @@ export default function HostDetailPage() {
             <p className="mt-2 text-sm text-amber-600 dark:text-amber-400">
               {host.bio}
             </p>
-            {"intro" in host && host.intro && (
+            {"intro" in host && typeof host.intro === "string" && (
               <div className="mt-6 pt-6 border-t border-stone-100 dark:border-stone-700 text-left">
                 <p className="text-sm text-stone-600 dark:text-stone-400 leading-relaxed">
                   {host.intro}