function profile = gpt5_6_4_calibration_profile()
%GPT5_6_4_CALIBRATION_PROFILE Tuning for osi_calibration_test.mat.
% The recorded target of 0.35 left less margin than the estimator delay.
% A 0.45 target and slow ungated recovery retain useful authority without
% returning to the unstable full-authority endpoint in the replay.
profile = struct( ...
    'osi', struct(), ...
    'auth', struct( ...
        'target', 0.45, ...
        'rate', 0.50, ...
        'up_boost', 0, ...
        'max_step', 0.03, ...
        'a_min', 0.20));
end