Changes to GET `/api/v0/main-frontend/credit-registration-admin/thresholds` - Every number the alert rules and the stuck detectors use. The same values `/overview` embeds in its health block. Separate so a tab explaining "stuck after 2 hours" can say so without reading the whole overview aggregate.

removed the required property credential_rejection_window_secs from the response with the 200 status

removed the required property fast_track_name_mismatch_count from the response with the 200 status

removed the required property idle_queue_depth from the response with the 200 status

removed the required property latency_regression_factor from the response with the 200 status

removed the required property latency_regression_floor_secs from the response with the 200 status

removed the required property latency_window_secs from the response with the 200 status

removed the required property linking_mail_hourly_cap from the response with the 200 status

removed the required property linking_mail_window_secs from the response with the 200 status

removed the required property misregistration_critical_count from the response with the 200 status

removed the required property never_entered_min_age_secs from the response with the 200 status

removed the required property permanent_failure_count from the response with the 200 status

removed the required property permanent_failure_rate_percent from the response with the 200 status

removed the required property phase_consecutive_failure_limit from the response with the 200 status

removed the required property phase_heartbeat_interval_multiplier from the response with the 200 status

removed the required property phase_success_interval_multiplier from the response with the 200 status

removed the required property sisu_outage_failure_share_percent from the response with the 200 status

removed the required property sisu_outage_min_items from the response with the 200 status

removed the required property sisu_outage_window_secs from the response with the 200 status

removed the required property stuck_critical_count from the response with the 200 status

removed the required property terminal_window_secs from the response with the 200 status

removed the required property unreachable_consecutive_failures from the response with the 200 status

removed the required property unreachable_window_secs from the response with the 200 status

endpoint added