fix initial balance logic and add edit for cycle data

components/__tests__/SettingsPage.test.tsx

@@ -2,11 +2,12 @@ import { fireEvent, render, screen, waitFor } from '@testing-library/react';
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 import SettingsPage from '../SettingsPage.tsx';
 
-const { createKandangMock, createFlockMock, createCycleMock, reloadMock, farmState } = vi.hoisted(
+const { createKandangMock, createFlockMock, createCycleMock, updateCycleMock, reloadMock, farmState } = vi.hoisted(
   () => ({
     createKandangMock: vi.fn(),
     createFlockMock: vi.fn(),
     createCycleMock: vi.fn(),
+    updateCycleMock: vi.fn(),
     reloadMock: vi.fn().mockResolvedValue(undefined),
     farmState: {
       sites: [{ id: 7, site_name: 'Site A', user: 99, created_at: '', updated_at: '' }],
@@ -49,6 +50,7 @@ vi.mock('../../services/apiClient.ts', () => ({
     },
     cycles: {
       create: createCycleMock,
+      update: updateCycleMock,
       remove: vi.fn(),
     },
   },
@@ -89,6 +91,7 @@ describe('SettingsPage settings forms', () => {
     createKandangMock.mockReset();
     createFlockMock.mockReset();
     createCycleMock.mockReset();
+    updateCycleMock.mockReset();
     reloadMock.mockClear();
     farmState.kandangs = [];
     farmState.flocks = [];
@@ -124,6 +127,19 @@ describe('SettingsPage settings forms', () => {
       created_at: '',
       updated_at: '',
     });
+    updateCycleMock.mockResolvedValue({
+      id: 22,
+      kandang: 11,
+      total_days: 40,
+      current_day: 1,
+      start_date: '2026-08-01',
+      end_date: '2026-09-09',
+      chick_in_weight: 38,
+      doc_in_count: 18000,
+      status: 'closed',
+      created_at: '',
+      updated_at: '',
+    });
   });
 
   it('submits only backend-supported kandang fields', async () => {
@@ -188,4 +204,46 @@ describe('SettingsPage settings forms', () => {
       doc_in_count: 20000,
     });
   });
+
+  it('updates an existing cycle from the edit form', async () => {
+    farmState.kandangs = [
+      { id: 11, kandang_name: 'Kandang 1', site: 7, created_at: '', updated_at: '' },
+    ];
+    farmState.selectedKandangId = 11;
+    farmState.cycles = [
+      {
+        id: 22,
+        kandang: 11,
+        kandang_name: 'Kandang 1',
+        total_days: 35,
+        current_day: 1,
+        visible_through_date: '2026-08-18',
+        start_date: '2026-08-01',
+        end_date: '2026-09-04',
+        chick_in_weight: 35,
+        doc_in_count: 20000,
+        feed_initial_balance: 0,
+        status: 'active',
+        created_at: '',
+        updated_at: '',
+      },
+    ];
+
+    render(<SettingsPage />);
+
+    fireEvent.click(screen.getByRole('button', { name: 'Ubah' }));
+    fireEvent.change(screen.getByLabelText(/DOC in/i), { target: { value: '18000' } });
+    fireEvent.change(screen.getByLabelText(/Berat DOC/i), { target: { value: '38' } });
+    fireEvent.click(screen.getByRole('button', { name: 'Simpan perubahan' }));
+
+    await waitFor(() => expect(updateCycleMock).toHaveBeenCalledTimes(1));
+    expect(updateCycleMock).toHaveBeenCalledWith(22, {
+      kandang: 11,
+      total_days: 35,
+      start_date: '2026-08-01',
+      end_date: '2026-09-04',
+      chick_in_weight: 38,
+      doc_in_count: 18000,
+    });
+  });
 });