Function postprocessBriefFile

postprocessBriefFile(
    filepath: string,
): {
    filepath: string;
    status: "error" | "rewrote" | "unchanged" | "skipped";
    reason?: string;
    originalH1?: string;
    cleanedH1?: string;
}
Read a brief file, apply post-processing, and write it back when the H1 changed. Returns the diff result for the caller (CLI or orchestrator) to log.
Parameters
- filepath: string
Returns {
    filepath: string;
    status: "error" | "rewrote" | "unchanged" | "skipped";
    reason?: string;
    originalH1?: string;
    cleanedH1?: string;
}
- Defined in scripts/postprocess-translated-brief.ts:244