Interface PlannedChange

backend/src/lib/docxTrackedChanges.ts:280–292

* A single logical change. Spans a contiguous [start, end) character range in * the paragraph text (may be empty for a pure insert) and may carry an * inserted string appended at `start`.

 * inserted string appended at `start`.
 */
interface PlannedChange {
    editIndex: number;            // source edit index
    deleteStart: number;          // paragraph text offset (inclusive)
    deleteEnd: number;            // paragraph text offset (exclusive); may equal start
    deletedText: string;          // substring of paraText in [start, end)
    insertedText: string;         // may be empty
    contextBefore: string;
    contextAfter: string;
    reason?: string;
    changeId: string;             // logical id (not the w:id)
    delWId?: string;              // w:id of w:del wrapper (if deletedText non-empty)
    insWId?: string;              // w:id of w:ins wrapper (if insertedText non-empty)
}

/**
 * Collapse a `fast-diff` result into a minimal `{deletedText, insertedText}`