%% The submission→disposition exchange, wire-level — complements lifecycle.mmd
%% (states) with the message sequence. Source for the /dev disposition-page SVG.
sequenceDiagram
    participant P as Producer (the agent)
    participant F as Funder (gates + underwriting)
    P->>F: pack + Pack Summary (pack_ref = sha256 of transmitted bytes)
    F-->>P: disposition: received (pack_ref)
    F-->>P: disposition: in_review
    F-->>P: disposition: info_requested { field_ids[] }
    Note over P: each field_id becomes a chase item —<br/>borrower evidence gathered mechanically
    P->>F: updated pack (NEW pack_ref — a re-serialized pack is a new identity)
    alt approved
        F-->>P: disposition: offer_issued (terms travel outside the standard)
    else not approved
        F-->>P: disposition: declined { reason_code }
    end
    loop continuous-mode facilities only
        P->>F: borrowing-base certificate (period, availability)
        F-->>P: recurring disposition
    end