Method scheduleRetrySync

src/sync/watcher.ts:733–741

* Schedule a retry after a recoverable sync failure (lock contention). Kept * separate from scheduleSync so prolonged contention backs off * exponentially instead of hammering the lock every debounce cycle.

(delayMs: number)

   * exponentially instead of hammering the lock every debounce cycle.
   */
  private scheduleRetrySync(delayMs: number): void {
    if (this.debounceTimer) {
      clearTimeout(this.debounceTimer);
    }
    this.debounceTimer = setTimeout(() => {
      this.debounceTimer = null;
      this.flush();
    }, delayMs);
  }

  /**
   * Flush pending changes by running sync.