Remove six dead-code findings from the automated review: - CODE-01: updateProfileDescription endpoint + UpdateProfileDescriptionRequest DTO (uncalled) - CODE-02: getConfig() endpoint (app uses getRawConfig()) - CODE-03: TogglePluginRequest DTO (unreferenced) - CODE-05: mark isConnected with @VisibleForTesting (test-only usage) - CODE-06: fix KDoc createdAt -> timestamp to match actual field name Co-authored-by: M57 <hy4ri@users.noreply.github.com>