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。

tools/scene_assets/probe_gl.py

@@ -26,20 +26,18 @@ import sys
 import time
 from pathlib import Path
 
+# Tests load this tool by file location, so add our own directory to the path.
+if str(Path(__file__).resolve().parent) not in sys.path:
+    sys.path.insert(0, str(Path(__file__).resolve().parent))
+
+from _paths import bootstrap_paths  # noqa: E402
+
 #: Exit codes: distinct values so a CI script can tell the two failures apart.
 EXIT_OK = 0
 EXIT_SOFTWARE = 3
 EXIT_NO_CONTEXT = 4
 
 
-def _bootstrap_paths() -> None:
-    here = Path(__file__).resolve()
-    repo = here.parents[2]
-    for path in (repo / "apps" / "studio" / "src", repo / "shared" / "src"):
-        if path.is_dir() and str(path) not in sys.path:
-            sys.path.insert(0, str(path))
-
-
 def collect(profile: str, *, keep_open_s: float) -> dict:
     """Create a real window, let Qt initialise it, and report what it got."""
     from orisys_studio.scene3d.gl_backend import (
@@ -189,7 +187,7 @@ def main(argv: list[str] | None = None) -> int:
     )
     args = parser.parse_args(argv)
 
-    _bootstrap_paths()
+    bootstrap_paths()
     report = collect(args.profile, keep_open_s=0.6 if args.windowed else 0.3)
     context = report.get("context")
     if not context or not context.get("valid"):