重构UCD模块

app/services/pattern_service.py

@@ -24,14 +24,9 @@ class PatternService:
     def _build_apply_config_error(self, test_type):
         timing = self.app.config.current_test_types.get(test_type, {}).get("timing", "-")
         detail = ""
-        try:
-            ctrl = getattr(self.app.signal_service.device, "raw_controller", None)
-            if ctrl is not None:
-                d = getattr(ctrl, "last_error", None)
-                if d:
-                    detail = f", detail={d}"
-        except Exception:
-            pass
+        err = self.app.signal_service.last_error
+        if err:
+            detail = f", detail={err}"
         return f"UCD profile apply_config failed for {test_type}, timing={timing}{detail}"
 
     def prepare_session(self, mode, *, test_type=None, log_details=False):