Schema probe

Pulls 5 raw messages each for phone_call, ai_phone_call and sms, and shows the full JSON including the undocumented details object.

The API spec gives no enum for status and no list of error_code values. These are the real values in synced rows. The failure/success lists below are settings, not hardcoded literals — correct them on the Settings page once you trust these counts.

Real values observed in synced rows — pin these rather than guessing enums.