Reuse stored managed-NE credentials when opening WebCRT from topology.

Deep-link open was missing has_password/protocol, so SSH always prompted for login.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/types.ts

@@ -182,6 +182,8 @@ export type ManagedNeItem = {
   port: number;
   protocol: string;
   username: string;
+  /** True when a password is stored server-side (secret never returned). */
+  has_password?: boolean;
   connect_status: ConnectStatus;
   connect_message: string;
   connect_detail: string;