fix: surface dynamic gate floor in normal output

When the dynamic threshold (min stored Frigate score) raises the effective
gate floor above the configured FRIGATE_SCORE_THRESHOLD, print it as a dim
info line rather than only logging at DEBUG/VERBOSE level.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

winnow/executor.py

@@ -377,7 +377,10 @@ def upload_to_frigate(jobs: list[dict]) -> None:
                 _dynamic = get_min_frigate_score(name)
                 effective_threshold = max(Config.FRIGATE_SCORE_THRESHOLD, _dynamic or 0.0)
                 if _dynamic is not None and _dynamic > Config.FRIGATE_SCORE_THRESHOLD:
-                    logger.debug(f"{name}: dynamic Frigate score threshold {_dynamic:.3f}")
+                    progress.console.print(
+                        f"  [dim]{name}: quality gate floor raised to {_dynamic:.2f}"
+                        f" (min stored score, above configured {Config.FRIGATE_SCORE_THRESHOLD:.2f})[/dim]"
+                    )
                 if pre_run_count == 0:
                     progress.console.print(
                         f"  [dim]{name}: first run — quality gate will apply from the next run[/dim]"