fix: Use print_status() for throughput reporting in progress tracker

The print_status() method properly handles printing with the live progress
bar, whereas direct .print() calls don't work correctly with Progress in
live mode.

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/utils/progress.py

@@ -73,7 +73,7 @@ class ProgressTracker:
                 elapsed = time.time() - self.start_time
                 if elapsed > 0:
                     rate = self.processed / elapsed
-                    self.progress.print(
+                    self.print_status(
                         f"[cyan]Progress: {self.processed:,}/{self.total:,} items "
                         f"({rate:.0f} items/sec, {elapsed/3600:.1f}h elapsed)[/cyan]"
                     )