Fix sample path resolution for Space root layout

space_utils.py

@@ -351,12 +351,10 @@ def analyze_path(path: Path) -> SpaceBundle:
 
 def find_local_sample() -> Optional[Path]:
     here = Path(__file__).resolve()
-    candidates = [
-        here.parent / "sample_report.json",
-        here.parents[2] / "examples" / "synthetic" / "report.json",
-        here.parents[2] / "examples" / "a100_vllm" / "report.json",
-        here.parents[1] / "examples" / "synthetic" / "report.json",
-    ]
+    candidates = [here.parent / "sample_report.json"]
+    for parent in (here.parent, *tuple(here.parents)):
+        candidates.append(parent / "examples" / "synthetic" / "report.json")
+        candidates.append(parent / "examples" / "a100_vllm" / "report.json")
     for candidate in candidates:
         if candidate.exists():
             return candidate