Function agent_doc_set_status 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn agent_doc_set_status(
    file_path: *const c_char,
    status: *const c_char,
)

Set the response status for a file (Option B: in-process).

Status values: “generating”, “writing”, “routing”, “idle” Also writes a file-based signal (Option A: cross-process).

Safety

file_path and status must be valid, NUL-terminated UTF-8 strings.