增加变量

backend/app/schemas/platform.py

@@ -121,6 +121,7 @@ class LineAlarmSettingIn(BaseModel):
     line_no: int
     over_limit_alarm: List[AlarmRule] = Field(default_factory=list)
     fault_alarm: List[AlarmRule] = Field(default_factory=list)
+    transformer_change: List[AlarmRule] = Field(default_factory=list)
 
 
 class AiAlarmSettingIn(BaseModel):

backend/app/services/platform_service.py

@@ -331,6 +331,10 @@ class PlatformService:
                 {"category": "频率", "limit": 180, "delay": 180, "output_node": "开出1", "enabled": False},
             ],
             "fault_alarm": [{"category": "PT断线", "delay": 180, "output_node": "开出1", "enabled": True}],
+            "transformer_change": [
+                {"category": "PT变化", "limit": 0.0, "delay": 0, "output_node": "", "enabled": False},
+                {"category": "CT变化", "limit": 0.0, "delay": 0, "output_node": "", "enabled": False},
+            ],
         }
 
     def _normalize_line_alarm_settings(self, raw: Any) -> List[Dict[str, Any]]:
@@ -345,16 +349,28 @@ class PlatformService:
         if not isinstance(current, dict):
             current = {}
         line_alarm_list = self._normalize_line_alarm_settings(current.get("line_alarm_setting"))
-        payload_data = payload.model_dump()
+        payload_data = payload.model_dump(exclude_unset=True)
+        payload_data["line_no"] = payload.line_no
 
         updated = False
         for index, item in enumerate(line_alarm_list):
             if item.get("line_no") == payload.line_no:
-                line_alarm_list[index] = payload_data
+                merged = dict(item)
+                merged.update(payload_data)
+                default = self._default_line_alarm_setting(payload.line_no)
+                for key in ("over_limit_alarm", "fault_alarm", "transformer_change"):
+                    if not isinstance(merged.get(key), list):
+                        merged[key] = default[key]
+                line_alarm_list[index] = merged
                 updated = True
                 break
         if not updated:
-            line_alarm_list.append(payload_data)
+            merged = self._default_line_alarm_setting(payload.line_no)
+            merged.update(payload_data)
+            for key in ("over_limit_alarm", "fault_alarm", "transformer_change"):
+                if not isinstance(merged.get(key), list):
+                    merged[key] = self._default_line_alarm_setting(payload.line_no)[key]
+            line_alarm_list.append(merged)
 
         current["line_alarm_setting"] = line_alarm_list
         path = self.config_repo.write_setting_config(current)
@@ -366,7 +382,12 @@ class PlatformService:
         line_alarm_list = self._normalize_line_alarm_settings(current)
         for item in line_alarm_list:
             if item.get("line_no") == line_no:
-                return item
+                merged = self._default_line_alarm_setting(line_no)
+                merged.update(item)
+                for key in ("over_limit_alarm", "fault_alarm", "transformer_change"):
+                    if not isinstance(merged.get(key), list):
+                        merged[key] = self._default_line_alarm_setting(line_no)[key]
+                return merged
         return self._default_line_alarm_setting(line_no)
 
     def save_ai_alarm_setting(self, payload: List[AiAlarmSettingIn]) -> Dict[str, Any]:

backend/config/setting.json

@@ -54,6 +54,22 @@
           "output_node": "",
           "enabled": false
         }
+      ],
+      "transformer_change": [
+        {
+          "category": "PT变化",
+          "limit": 0.0,
+          "delay": 0,
+          "output_node": "",
+          "enabled": false
+        },
+        {
+          "category": "CT变化",
+          "limit": 0.0,
+          "delay": 0,
+          "output_node": "",
+          "enabled": false
+        }
       ]
     },
     {
@@ -110,6 +126,22 @@
           "output_node": "",
           "enabled": false
         }
+      ],
+      "transformer_change": [
+        {
+          "category": "PT变化",
+          "limit": 0.0,
+          "delay": 0,
+          "output_node": "",
+          "enabled": false
+        },
+        {
+          "category": "CT变化",
+          "limit": 0.0,
+          "delay": 0,
+          "output_node": "",
+          "enabled": false
+        }
       ]
     }
   ],

backend/tests/test_api.py

@@ -223,6 +223,8 @@ def test_save_line_alarm_setting_stores_list(tmp_path) -> None:
         saved = platform_service.config_repo.read_setting_config()
         assert isinstance(saved["line_alarm_setting"], list)
         assert saved["line_alarm_setting"][0]["line_no"] == 3
+        assert "transformer_change" in saved["line_alarm_setting"][0]
+        assert len(saved["line_alarm_setting"][0]["transformer_change"]) == 2
     finally:
         platform_service.config_repo = old_repo