updating cycle close request feature to get approval from national dashboard instead auto from system

backend/apps/farms/serializers.py

@@ -75,6 +75,7 @@ class CycleSerializer(PkAsIdMixin, serializers.ModelSerializer):
     chick_in_weight = serializers.IntegerField(source="doc_in_weight")
     current_day = serializers.IntegerField(read_only=True)
     visible_through_date = serializers.DateField(read_only=True)
+    soft_end_date = serializers.SerializerMethodField()
 
     class Meta:
         model = Cycle
@@ -85,6 +86,7 @@ class CycleSerializer(PkAsIdMixin, serializers.ModelSerializer):
             "total_days",
             "current_day",
             "visible_through_date",
+            "soft_end_date",
             "start_date",
             "end_date",
             "chick_in_weight",
@@ -92,6 +94,9 @@ class CycleSerializer(PkAsIdMixin, serializers.ModelSerializer):
             "feed_initial_balance",
             "feed_initial_balance_date",
             "status",
+            "proposed_end_date",
+            "close_requested_at",
+            "close_requested_by",
             "created_at",
             "updated_at",
         ]
@@ -100,20 +105,30 @@ class CycleSerializer(PkAsIdMixin, serializers.ModelSerializer):
             "kandang_name",
             "feed_initial_balance",
             "feed_initial_balance_date",
+            "end_date",
             "status",
+            "proposed_end_date",
+            "close_requested_at",
+            "close_requested_by",
             "created_at",
             "updated_at",
+            "soft_end_date",
         ]
 
+    def get_soft_end_date(self, obj: Cycle):
+        return obj.soft_end_date()
+
     def validate(self, attrs):
         attrs.pop("status", None)
+        # Defense in depth: end_date is read-only (GM approve only).
+        attrs.pop("end_date", None)
+        if self.instance is None:
+            attrs.setdefault("total_days", 1)
         start = attrs.get("start_date", getattr(self.instance, "start_date", None))
-        end = attrs.get("end_date", getattr(self.instance, "end_date", None))
+        end = getattr(self.instance, "end_date", None) if self.instance else None
         if start and end and end < start:
             raise serializers.ValidationError({"end_date": "Must be on or after start_date."})
         return attrs
 
     def to_representation(self, instance):
-        if instance.sync_status():
-            instance.save(update_fields=["status", "updated_at"])
         return super().to_representation(instance)