高温氦气物性补全；三通四通能量计算bug修正

app/main.py

@@ -792,11 +792,18 @@ def _run_system_xml_simulation_profiled(
             document.simulation.t_stop,
         )
 
+    def report_property_warning(warning: dict) -> None:
+        fraction = (warning["time"] - document.simulation.t_start) / (
+            document.simulation.t_stop - document.simulation.t_start)
+        emit(round(100 * min(1.0, max(0.0, fraction))), "property-warning",
+             warning["message"], warning["time"], document.simulation.t_stop)
+
     try:
         result = simulate_network(
             network,
             document.simulation,
             progress_callback=report_system_progress,
+            warning_callback=report_property_warning,
             cancel_check=cancel_check,
             activity_tracker=activity_tracker,
             raw_series=raw_series,
@@ -867,6 +874,14 @@ def simulation_event_stream(
     ) -> None:
         nonlocal latest_message, latest_phase, latest_progress
         nonlocal latest_simulated_time, latest_total_time
+        if phase == "property-warning":
+            # A warning is an event, not the current integration phase. Keep
+            # heartbeat/progress state intact while delivering every warning.
+            events.put({"event": "progress", "progress": latest_progress,
+                        "phase": phase, "message": message,
+                        "simulatedTime": simulated_time, "totalTime": total_time,
+                        **activity_tracker.snapshot().as_dict()})
+            return
         latest_progress = max(latest_progress, min(100, max(0, progress)))
         latest_phase = phase
         latest_message = message