M5-T06: add Energy device management UI and sidebar entry
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/**
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* EnergyPage — device management UI for the Energy (Modbus) domain.
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*
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* Features:
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* - Device list with status indicators (enabled, last poll).
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* - Create / edit via DeviceForm modal.
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* - Delete with二次确认; 409 (has readings) → friendly prompt to disable instead.
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* - "Test read" button per device — calls POST /devices/{uuid}/test, shows
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* decoded payload or error without persisting to the database.
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*
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* Out of scope (T07): readings cards, trend charts, Recharts import.
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*/
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import { useState } from 'react'
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import {
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Container,
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Title,
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Table,
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Button,
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Group,
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Text,
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Loader,
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Center,
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Alert,
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Stack,
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Badge,
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ScrollArea,
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Modal,
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Code,
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Tooltip,
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} from '@mantine/core'
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import { useDevices, useDeleteDevice, useTestReadDevice } from '../energy/hooks'
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import { DeviceForm } from '../energy/DeviceForm'
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import type { ModbusDevice, ModbusTestReadResponse } from '../energy/hooks'
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import { ApiError } from '../api/client'
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// ---------------------------------------------------------------------------
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// Delete confirmation modal (with 409 "disable instead" hint)
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// ---------------------------------------------------------------------------
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interface ConfirmDeleteProps {
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device: ModbusDevice
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onConfirm: () => void
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onCancel: () => void
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loading: boolean
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/** Set when the delete failed with 409. */
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has409Error: boolean
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}
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function ConfirmDeleteModal({ device, onConfirm, onCancel, loading, has409Error }: ConfirmDeleteProps) {
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return (
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<Modal
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opened
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onClose={onCancel}
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title="Confirm Delete"
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size="sm"
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data-testid="device-delete-modal"
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>
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<Stack gap="md">
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<Text data-testid="device-delete-message">
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Delete device <strong>{device.friendly_name}</strong>?
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</Text>
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{has409Error && (
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<Alert color="orange" data-testid="device-delete-409-hint">
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This device has existing readings and cannot be deleted. Consider{' '}
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<strong>disabling</strong> it instead (click Edit → uncheck Enabled).
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</Alert>
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)}
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<Group justify="flex-end" gap="sm">
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<Button variant="default" onClick={onCancel} data-testid="device-delete-cancel">
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Cancel
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</Button>
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<Button
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color="red"
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loading={loading}
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onClick={onConfirm}
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data-testid="device-delete-confirm"
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>
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Delete
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</Button>
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</Group>
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</Stack>
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</Modal>
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)
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}
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// ---------------------------------------------------------------------------
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// Test-read result modal
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// ---------------------------------------------------------------------------
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interface TestResultModalProps {
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result: ModbusTestReadResponse
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deviceName: string
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onClose: () => void
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}
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function TestResultModal({ result, deviceName, onClose }: TestResultModalProps) {
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return (
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<Modal
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opened
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onClose={onClose}
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title={`Test read — ${deviceName}`}
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size="md"
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data-testid="test-read-modal"
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>
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{result.ok ? (
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<Stack gap="sm">
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<Badge color="green" data-testid="test-read-ok">Success</Badge>
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<Code block data-testid="test-read-payload">
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{JSON.stringify(result.payload, null, 2)}
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</Code>
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</Stack>
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) : (
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<Stack gap="sm">
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<Badge color="red" data-testid="test-read-error-badge">Failed</Badge>
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<Text c="red" data-testid="test-read-error">
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{result.error ?? 'Unknown error'}
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</Text>
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</Stack>
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)}
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<Group justify="flex-end" mt="md">
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<Button variant="default" onClick={onClose}>
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Close
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</Button>
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</Group>
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</Modal>
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)
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}
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// ---------------------------------------------------------------------------
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// Device row action: test-read button (self-contained per row)
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// ---------------------------------------------------------------------------
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interface TestReadButtonProps {
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device: ModbusDevice
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}
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function TestReadButton({ device }: TestReadButtonProps) {
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const testMutation = useTestReadDevice()
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const [result, setResult] = useState<ModbusTestReadResponse | null>(null)
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async function handleTest() {
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setResult(null)
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const res = await testMutation.mutateAsync(device.uuid)
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if (res.data) {
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setResult(res.data)
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}
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}
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return (
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<>
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<Tooltip label="Immediately read device (not saved)" position="top">
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<Button
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size="xs"
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variant="outline"
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color="blue"
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loading={testMutation.isPending}
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onClick={handleTest}
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data-testid={`device-test-${device.uuid}`}
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>
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Test read
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</Button>
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</Tooltip>
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{result && (
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<TestResultModal
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result={result}
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deviceName={device.friendly_name}
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onClose={() => setResult(null)}
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/>
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)}
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</>
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)
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}
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// ---------------------------------------------------------------------------
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// Device list table
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// ---------------------------------------------------------------------------
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interface DeviceTableProps {
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devices: ModbusDevice[]
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onEdit: (device: ModbusDevice) => void
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onDelete: (device: ModbusDevice) => void
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}
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function DeviceTable({ devices, onEdit, onDelete }: DeviceTableProps) {
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if (devices.length === 0) {
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return (
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<Text c="dimmed" ta="center" size="sm" data-testid="devices-empty">
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No devices configured yet. Click "New Device" to add one.
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</Text>
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)
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}
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return (
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<ScrollArea>
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<Table striped highlightOnHover withTableBorder data-testid="devices-table">
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<Table.Thead>
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<Table.Tr>
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<Table.Th>Name</Table.Th>
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<Table.Th>Host</Table.Th>
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<Table.Th>Port</Table.Th>
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<Table.Th>Unit ID</Table.Th>
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<Table.Th>Profile</Table.Th>
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<Table.Th>Poll (s)</Table.Th>
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<Table.Th>Status</Table.Th>
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<Table.Th style={{ textAlign: 'right' }}>Actions</Table.Th>
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</Table.Tr>
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</Table.Thead>
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<Table.Tbody>
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{devices.map((device) => (
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<Table.Tr key={device.uuid} data-testid={`device-row-${device.uuid}`}>
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<Table.Td>
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<Text fw={500} size="sm">
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{device.friendly_name}
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</Text>
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</Table.Td>
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<Table.Td>{device.host}</Table.Td>
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<Table.Td>{device.port}</Table.Td>
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<Table.Td>{device.unit_id}</Table.Td>
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<Table.Td>
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<Badge variant="outline" size="sm">
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{device.profile}
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</Badge>
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</Table.Td>
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<Table.Td>{device.poll_interval_s}</Table.Td>
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<Table.Td>
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<Group gap="xs">
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<Badge color={device.enabled ? 'green' : 'gray'} variant="light" size="sm">
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{device.enabled ? 'enabled' : 'disabled'}
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</Badge>
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{device.last_poll_ok !== null && (
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<Badge
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color={device.last_poll_ok ? 'teal' : 'red'}
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variant="dot"
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size="sm"
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>
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{device.last_poll_ok ? 'online' : 'offline'}
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</Badge>
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)}
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</Group>
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</Table.Td>
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<Table.Td>
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<Group justify="flex-end" gap="xs">
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<TestReadButton device={device} />
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<Button
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size="xs"
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variant="outline"
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onClick={() => onEdit(device)}
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data-testid={`device-edit-${device.uuid}`}
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>
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Edit
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</Button>
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<Button
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size="xs"
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variant="outline"
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color="red"
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onClick={() => onDelete(device)}
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data-testid={`device-delete-${device.uuid}`}
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>
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Delete
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</Button>
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</Group>
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</Table.Td>
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</Table.Tr>
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))}
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</Table.Tbody>
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</Table>
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</ScrollArea>
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)
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}
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// ---------------------------------------------------------------------------
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// EnergyPage — top-level
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// ---------------------------------------------------------------------------
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export function EnergyPage() {
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const devicesQuery = useDevices()
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const deleteMutation = useDeleteDevice()
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const [editDevice, setEditDevice] = useState<ModbusDevice | null>(null)
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const [showCreateForm, setShowCreateForm] = useState(false)
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const [deleteDevice, setDeleteDevice] = useState<ModbusDevice | null>(null)
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const [delete409, setDelete409] = useState(false)
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function openCreate() {
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setEditDevice(null)
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setShowCreateForm(true)
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}
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function openEdit(device: ModbusDevice) {
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setShowCreateForm(false)
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setEditDevice(device)
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}
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function openDelete(device: ModbusDevice) {
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setDeleteDevice(device)
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setDelete409(false)
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}
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function closeDelete() {
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setDeleteDevice(null)
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setDelete409(false)
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}
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async function handleDeleteConfirm() {
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if (!deleteDevice) return
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setDelete409(false)
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try {
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await deleteMutation.mutateAsync(deleteDevice.uuid)
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closeDelete()
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} catch (err) {
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if (err instanceof ApiError && err.status === 409) {
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setDelete409(true)
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}
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// Leave modal open so user sees the hint.
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}
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}
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// ---------------------------------------------------------------------------
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// Loading / error states
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// ---------------------------------------------------------------------------
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if (devicesQuery.isLoading) {
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return (
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<Center pt="xl" data-testid="energy-loading">
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<Loader />
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</Center>
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)
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}
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if (devicesQuery.isError || !devicesQuery.data) {
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return (
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<Container size="xl" pt="xl">
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<Alert color="red" data-testid="energy-load-error">
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Failed to load devices. Please refresh.
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</Alert>
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</Container>
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)
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}
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const devices = devicesQuery.data.items
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// ---------------------------------------------------------------------------
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// Main render
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// ---------------------------------------------------------------------------
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return (
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<Container size="xl" pt="xl" pb="xl" data-testid="energy-page">
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<Stack gap="lg">
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<Group justify="space-between" align="center">
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<Title order={2}>Energy — Devices</Title>
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<Button onClick={openCreate} data-testid="device-new-button">
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New Device
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</Button>
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</Group>
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<DeviceTable
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devices={devices}
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onEdit={openEdit}
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onDelete={openDelete}
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/>
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</Stack>
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{/* Create form */}
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{showCreateForm && (
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<DeviceForm
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onClose={() => setShowCreateForm(false)}
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onSaved={() => setShowCreateForm(false)}
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/>
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)}
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{/* Edit form */}
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{editDevice && (
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<DeviceForm
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device={editDevice}
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onClose={() => setEditDevice(null)}
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onSaved={() => setEditDevice(null)}
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/>
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)}
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{/* Delete confirmation */}
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{deleteDevice && (
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<ConfirmDeleteModal
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device={deleteDevice}
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onConfirm={handleDeleteConfirm}
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onCancel={closeDelete}
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loading={deleteMutation.isPending}
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has409Error={delete409}
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/>
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)}
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</Container>
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)
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}
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