update add feed initial balance on cycle and fix its feature

backend/apps/farms/tests.py

@@ -1,4 +1,5 @@
 from datetime import date, timedelta
+from unittest.mock import patch
 
 from django.test import TestCase
 from rest_framework.test import APIClient
@@ -106,6 +107,7 @@ class FarmAPITests(TestCase):
             format="json",
         )
         self.assertEqual(response.status_code, 200, response.data)
+        self.assertEqual(response.data["feed_initial_balance_date"], start.isoformat())
 
         row = FeedSacks.objects.get(cycle=cycle)
         self.assertEqual(row.date, start)
@@ -143,3 +145,51 @@ class FarmAPITests(TestCase):
 
         feed_row.refresh_from_db()
         self.assertEqual(feed_row.in_total, 124)
+
+    @patch("apps.farms.views.pull_initial_balance_iot", return_value=(115, None))
+    def test_set_initial_balance_compares_manual_against_combined_api_iot(self, mock_pull):
+        start = date(2026, 8, 26)
+        cycle = Cycle.objects.create(
+            kandang=self.kandang,
+            total_days=35,
+            start_date=start,
+            end_date=start + timedelta(days=34),
+            doc_in_weight=40,
+            doc_in_count=9000,
+            status=Cycle.STATUS_ACTIVE,
+        )
+
+        self.client.force_authenticate(self.user)
+        response = self.client.post(
+            f"/api/v1/cycles/{cycle.pk}/initial-balance/",
+            {"date": start.isoformat(), "feed_in_manual": 120},
+            format="json",
+        )
+        self.assertEqual(response.status_code, 200, response.data)
+        self.assertEqual(response.data["iot"], 115)
+        self.assertEqual(response.data["accuracy"], 95.8)
+        mock_pull.assert_called_once_with(cycle, start)
+
+    @patch("apps.farms.views.pull_initial_balance_iot", return_value=(112, None))
+    def test_compare_initial_balance_returns_iot_and_accuracy(self, mock_pull):
+        start = date(2026, 8, 27)
+        cycle = Cycle.objects.create(
+            kandang=self.kandang,
+            total_days=35,
+            start_date=start,
+            end_date=start + timedelta(days=34),
+            doc_in_weight=40,
+            doc_in_count=9000,
+            feed_initial_balance=120,
+            status=Cycle.STATUS_ACTIVE,
+        )
+
+        self.client.force_authenticate(self.user)
+        response = self.client.get(
+            f"/api/v1/cycles/{cycle.pk}/initial-balance-compare/",
+            {"date": start.isoformat(), "manual": 120},
+        )
+        self.assertEqual(response.status_code, 200, response.data)
+        self.assertEqual(response.data["iot"], 112)
+        self.assertEqual(response.data["accuracy"], 93.3)
+        mock_pull.assert_called_once_with(cycle, start)