Circle V2 API Docs
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    SignerCapacity: "patient" | "staff" | "unknown"

    Whether a signature came from the patient, from someone the EMR recorded a role for, or neither.

    staff means ONLY that a role was recorded — not that the signer is licensed, credentialed for this document type, or senior enough to satisfy a rubric. The recorded roles mix licences (LMFT), job titles (Clinical Director) and trainee status (ADC Intern, Trainee) in one field, and an associate (AMFT) is not a licensed clinician. A question asking for a LICENSED signer, or a supervisor, must be answered from the verbatim role, never from capacity alone.

    unknown is a real third value: no recorded role means the EMR recorded none, not that the patient signed. Collapsing it into patient would invent missing-staff-signature findings.