优化仿真求解性能并修复流量闭合问题（初版）

app/simulation/performance.py

@@ -654,6 +654,29 @@ def record_property_iterations(
     )
 
 
+def record_property_cache(operation: str, *, hit: bool) -> None:
+    """Record one run-local property-cache lookup in audit mode."""
+
+    trace = _CURRENT_TRACE.get()
+    if trace is None or trace.mode != "audit":
+        return
+    for frame in reversed(_ACTIVE_SPANS.get()):
+        if (
+            frame.property_key is not None
+            and frame.property_operation == operation
+        ):
+            layer, medium, _unused_operation = frame.property_key.split("|", 2)
+            trace._record_cache(
+                frame.property_key,
+                operation=operation,
+                layer=layer,
+                medium=medium,
+                hits=1 if hit else 0,
+                misses=0 if hit else 1,
+            )
+            return
+
+
 __all__ = [
     "PROFILE_MODE",
     "PerformanceTrace",
@@ -661,5 +684,6 @@ __all__ = [
     "profile_phase",
     "profile_property",
     "profile_run",
+    "record_property_cache",
     "record_property_iterations",
 ]