Function recordTraceForTurn

recordTraceForTurn(
    historyDir: string,
    turnNumber: number,
    planId: string,
    trace: PlannerResponse | undefined,
    buffer: SessionHistoryBuffer,
): Promise<void>
Record a trace for a turn using buffer (fast, minimal I/O)
Parameters
- historyDir: string
  path to the session directory
- turnNumber: number
  the turn number that generated this trace
- planId: string
  the plan ID for this trace
- trace: PlannerResponse | undefined
  the trace data to write
- buffer: SessionHistoryBuffer
  buffer for batched updates
Returns Promise<void>
- Defined in utils.ts:676