🚨 fix: resolve all linter and typecheck warnings across codebase

src/app/auth/signin/page.tsx

@@ -32,7 +32,7 @@ export default function SignInPage() {
 				providerId: "authentik",
 				callbackURL: "/",
 			});
-		} catch (_error) {
+		} catch {
 			toast.error("Failed to sign in. Please try again.");
 		} finally {
 			setIsLoading(false);

src/app/page.tsx

@@ -182,10 +182,9 @@ export default function HomePage() {
 
 	const persistAiEvents = async (data: CalendarEvent[]) => {
 		for (const ev of data) {
-			const { id: _existingId, ...rest } = ev;
-			const newEvent = {
+			const newEvent: CalendarEvent = {
+				...ev,
 				id: nanoid(),
-				...rest,
 				createdAt: new Date().toISOString(),
 				lastModified: new Date().toISOString(),
 			};