CalDAV: Support Basic auth; trim+validate UUID; deprecate query token via headers; ICS end time helper; docs+instructions updated

src/client/components/user-profile.tsx

@@ -4,7 +4,7 @@ import { useAuth } from "@/client/components/auth-provider";
 import { queryClient } from "@/client/rpc-client";
 
 export function UserProfile() {
-  const { user, sessionId, logout } = useAuth();
+  const { user, logout } = useAuth();
   const [showPasswordChange, setShowPasswordChange] = useState(false);
   const [currentPassword, setCurrentPassword] = useState("");
   const [newPassword, setNewPassword] = useState("");
@@ -31,13 +31,7 @@ export function UserProfile() {
       return;
     }
 
-    if (!sessionId) {
-      setError("Keine gültige Sitzung");
-      return;
-    }
-
     changePassword({
-      sessionId,
       currentPassword,
       newPassword,
     }, {