删掉回放的五个转发、重复的空格快捷键与重复的等待循环。

回放调用点直接走 replay_ctl，场景工具的路径引导收敛到 _paths，panel_snapshot
复用 panel_check 的 _wait_for，report_from 收成模块私有的 _report_from。

apps/autocal/tools/panel_snapshot.py

@@ -15,6 +15,12 @@ import os
 import sys
 from pathlib import Path
 
+# The wait loop lives with the checker; this tool used to carry its own copy.
+if str(Path(__file__).resolve().parent) not in sys.path:
+    sys.path.insert(0, str(Path(__file__).resolve().parent))
+
+from panel_check import _wait_for  # noqa: E402
+
 APP_ROOT = Path(__file__).resolve().parents[1]
 for path in (APP_ROOT / "src", APP_ROOT.parents[1] / "shared" / "src"):
     if str(path) not in sys.path:
@@ -151,17 +157,5 @@ def _render_every_tab(window, app, args, width: int, height: int) -> int:
     return 1 if failures else 0
 
 
-def _wait_for(app, predicate, timeout: float) -> bool:
-    import time
-
-    deadline = time.monotonic() + timeout
-    while time.monotonic() < deadline:
-        app.processEvents()
-        if predicate():
-            return True
-        time.sleep(0.02)
-    return False
-
-
 if __name__ == "__main__":
     raise SystemExit(main())