M8-R13: simplify prices and meter controls

frontend/src/energy/MeterManager.test.tsx

@@ -209,14 +209,55 @@ describe('MeterManager — meter list', () => {
         { uuid: 'binding-active', source_uuid: 'source-new', source_channel_uuid: 'channel-new', started_at: '2025-02-01T00:00:00Z', ended_at: null },
       ],
     }
-    mockGet.mockResolvedValue({ data: { items: [meterWithBindings], total: 1 } })
+    mockGet.mockImplementation((path: string) => {
+      if (path === '/api/energy/meters') return Promise.resolve({ data: { items: [meterWithBindings], total: 1 } })
+      if (path === '/api/energy/sources') return Promise.resolve({ data: { items: [
+        { uuid: 'source-old', name: 'Old source' }, { uuid: 'source-new', name: 'New source' },
+      ], total: 2 } })
+      if (path === '/api/energy/sources/{source_uuid}/channels') return Promise.resolve({ data: { items: [
+        { uuid: 'channel-old', label: 'Old channel', unit: 'kWh' }, { uuid: 'channel-new', label: 'New channel', unit: 'kWh' },
+      ], total: 2 } })
+      return Promise.resolve({ data: { items: [] } })
+    })
     renderWithProviders(<MeterManager />)
     const closed = await screen.findByTestId('binding-timeline-binding-closed')
+    await waitFor(() => expect(closed).toHaveTextContent('Old source → Old channel'))
     const active = screen.getByTestId('binding-timeline-binding-active')
-    expect(closed).toHaveTextContent('source-old → channel-old')
+    expect(closed).toHaveTextContent('Old source → Old channel')
     expect(closed).toHaveTextContent('[1/1/2025, 00:00:00, 2/1/2025, 00:00:00) (closed)')
-    expect(active).toHaveTextContent('source-new → channel-new')
+    expect(active).toHaveTextContent('New source → New channel')
     expect(active).toHaveTextContent('[2/1/2025, 00:00:00, open-ended) (active)')
+    expect(closed).not.toHaveTextContent('source-old')
+    expect(active).not.toHaveTextContent('channel-new')
+  })
+
+  it('uses UUID-free honest binding fallbacks while source details load or fail', async () => {
+    const meter = { ...ACTIVE_METER, bindings: [{ uuid: 'binding-visible-id-only', source_uuid: 'private-source-id', source_channel_uuid: 'private-channel-id', started_at: '2025-01-01T00:00:00Z', ended_at: null }] }
+    mockGet.mockImplementation((path: string) => {
+      if (path === '/api/energy/meters') return Promise.resolve({ data: { items: [meter], total: 1 } })
+      if (path === '/api/energy/sources') return new Promise(() => {})
+      return Promise.resolve({ data: { items: [] } })
+    })
+    renderWithProviders(<MeterManager />)
+    const timeline = await screen.findByTestId('binding-timeline-binding-visible-id-only')
+    expect(timeline).toHaveTextContent('Loading source details… → Channel details unavailable')
+    expect(timeline).not.toHaveTextContent('private-source-id')
+    expect(timeline).not.toHaveTextContent('private-channel-id')
+  })
+
+  it('keeps meter row actions in the shared light, xs order', async () => {
+    const binding = { uuid: 'ordered-binding', source_uuid: 'source-1', source_channel_uuid: 'channel-1', started_at: '2024-01-15T00:00:00Z', ended_at: null }
+    mockGet.mockImplementation((path: string) => {
+      if (path === '/api/energy/meters') return Promise.resolve({ data: { items: [{ ...ACTIVE_METER, bindings: [binding] }], total: 1 } })
+      if (path === '/api/energy/sources') return Promise.resolve({ data: { items: [{ uuid: 'source-1', name: 'DSMR' }], total: 1 } })
+      if (path === '/api/energy/sources/{source_uuid}/channels') return Promise.resolve({ data: { items: [{ uuid: 'channel-1', label: 'Total import', unit: 'kWh' }], total: 1 } })
+      return Promise.resolve({ data: { items: [] } })
+    })
+    renderWithProviders(<MeterManager />)
+    const row = await screen.findByTestId(`meter-row-${ACTIVE_METER.id}`)
+    const buttons = Array.from(row.querySelectorAll('button'))
+    expect(buttons.map((button) => button.textContent)).toEqual(['Edit', 'Transfer source', 'Unbind', 'Close meter'])
+    expect(buttons).toHaveLength(4)
   })
 
   it('renders "Declare New Meter" button', async () => {

frontend/src/energy/MeterManager.tsx

@@ -167,6 +167,34 @@ function recoveryTargetFor(meter: MeterResponse, meters: MeterResponse[]): Meter
   return target
 }
 
+function BindingTimeline({ binding, sources }: {
+  binding: NonNullable<MeterResponse['bindings']>[number]
+  sources: ReturnType<typeof useSources>
+}) {
+  const source = sources.data?.items.find((item) => item.uuid === binding.source_uuid)
+  const channels = useSourceChannels(source?.uuid ?? null)
+  const channel = channels.data?.items.find((item) => item.uuid === binding.source_channel_uuid)
+  let endpoint = 'Source details unavailable'
+  if (sources.isLoading) endpoint = 'Loading source details…'
+  else if (!sources.isError && source) endpoint = source.name
+  else if (!sources.isError) endpoint = 'Source unavailable'
+
+  let channelName = 'Channel details unavailable'
+  if (source && channels.isLoading) channelName = 'Loading channel details…'
+  else if (source && !channels.isError && channel) channelName = channel.label
+  else if (source && !channels.isError) channelName = 'Channel unavailable'
+
+  return (
+    <Stack gap={0} mb="xs" data-testid={`binding-timeline-${binding.uuid}`}>
+      <Text size="xs">{endpoint} → {channelName}</Text>
+      <Text size="xs" c="dimmed">
+        [{formatLocalDateTime(binding.started_at)}, {binding.ended_at ? formatLocalDateTime(binding.ended_at) : 'open-ended'})
+        {' '}({binding.ended_at ? 'closed' : 'active'})
+      </Text>
+    </Stack>
+  )
+}
+
 // ---------------------------------------------------------------------------
 // Declare meter form (modal)
 // ---------------------------------------------------------------------------
@@ -515,11 +543,12 @@ function EditMeterForm({ meter, onClose, onSaved }: EditMeterFormProps) {
 
 interface MeterTableProps {
   meters: MeterResponse[]
+  sources: ReturnType<typeof useSources>
   onEdit: (meter: MeterResponse) => void
   onClose: (meter: MeterResponse) => void
 }
 
-function MeterTable({ meters, onEdit, onClose }: MeterTableProps) {
+function MeterTable({ meters, sources, onEdit, onClose }: MeterTableProps) {
   if (meters.length === 0) {
     return (
       <Text c="dimmed" ta="center" size="sm" data-testid="meters-empty">
@@ -585,30 +614,24 @@ function MeterTable({ meters, onEdit, onClose }: MeterTableProps) {
                 </Table.Td>
                 <Table.Td>
                   {meter.bindings?.length ? meter.bindings.map((binding) => (
-                    <Stack key={binding.uuid} gap={0} mb="xs" data-testid={`binding-timeline-${binding.uuid}`}>
+                    <BindingTimeline key={binding.uuid} binding={binding} sources={sources} />
-                      <Text size="xs">{binding.source_uuid} → {binding.source_channel_uuid}</Text>
-                      <Text size="xs" c="dimmed">
-                        [{formatLocalDateTime(binding.started_at)}, {binding.ended_at ? formatLocalDateTime(binding.ended_at) : 'open-ended'})
-                        {' '}({binding.ended_at ? 'closed' : 'active'})
-                      </Text>
-                    </Stack>
                   )) : <Text size="xs" c="dimmed">Unbound</Text>}
                 </Table.Td>
                 <Table.Td>
                   <Group justify="flex-end" gap="xs">
-                    {meter.bindings?.filter((binding) => binding.ended_at === null).map((binding) => (
-                      <BindingActions key={binding.uuid} meter={meter} binding={binding} meters={meters} />
-                    ))}
-                    {isActive && !meter.bindings?.some((binding) => binding.ended_at === null) && <DirectBindButton meter={meter} meters={meters} />}
-                    {isActive && <Button size="xs" color="red" variant="light" onClick={() => onClose(meter)}>Close meter</Button>}
                     <Button
                       size="xs"
-                      variant="outline"
+                      variant="light"
                       onClick={() => onEdit(meter)}
                       data-testid={`meter-edit-${meter.id}`}
                     >
                       Edit
                     </Button>
+                    {meter.bindings?.filter((binding) => binding.ended_at === null).map((binding) => (
+                      <BindingActions key={binding.uuid} meter={meter} binding={binding} meters={meters} />
+                    ))}
+                    {isActive && !meter.bindings?.some((binding) => binding.ended_at === null) && <DirectBindButton meter={meter} meters={meters} />}
+                    {isActive && <Button size="xs" color="red" variant="light" onClick={() => onClose(meter)}>Close meter</Button>}
                   </Group>
                 </Table.Td>
               </Table.Tr>
@@ -622,7 +645,7 @@ function MeterTable({ meters, onEdit, onClose }: MeterTableProps) {
 
 function DirectBindButton({ meter, meters }: { meter: MeterResponse; meters: MeterResponse[] }) {
   const [opened, setOpened] = useState(false)
-  return <>{<Button size="xs" variant="subtle" onClick={() => setOpened(true)}>Bind source</Button>}{opened && <DirectBindModal meter={meter} meters={meters} onClose={() => setOpened(false)} />}</>
+  return <>{<Button size="xs" variant="light" onClick={() => setOpened(true)}>Bind source</Button>}{opened && <DirectBindModal meter={meter} meters={meters} onClose={() => setOpened(false)} />}</>
 }
 
 function DirectBindModal({ meter, meters, onClose }: { meter: MeterResponse; meters: MeterResponse[]; onClose: () => void }) {
@@ -676,8 +699,8 @@ function BindingActions({ meter, binding, meters }: { meter: MeterResponse; bind
   const recoverySourceIsClosable = meter.ended_at === null ||
     parseBackendTimestamp(binding.started_at).getTime() < parseBackendTimestamp(meter.ended_at).getTime()
   return <>
-    <Button size="xs" variant="subtle" onClick={() => setUnbindOpened(true)}>Unbind</Button>
+    {meter.ended_at === null ? <Button size="xs" variant="light" onClick={() => setTransferOpened(true)}>Transfer source</Button> : recoveryTarget && recoverySourceIsClosable && <Button size="xs" variant="light" onClick={() => setTransferOpened(true)}>Recover binding</Button>}
-    {meter.ended_at === null ? <Button size="xs" variant="subtle" onClick={() => setTransferOpened(true)}>Transfer source</Button> : recoveryTarget && recoverySourceIsClosable && <Button size="xs" variant="light" onClick={() => setTransferOpened(true)}>Recover binding</Button>}
+    <Button size="xs" variant="light" onClick={() => setUnbindOpened(true)}>Unbind</Button>
     {meter.ended_at !== null && recoveryTarget && !recoverySourceIsClosable && <Text size="xs" c="red">Cannot recover: the source binding starts at or after this Meter ended.</Text>}
     {unbindOpened && <UnbindModal meter={meter} binding={binding} onClose={() => setUnbindOpened(false)} />}
     {transferOpened && <TransferModal target={recoveryTarget ?? meter} sourceBinding={binding} meters={meters} recovery={!!recoveryTarget} onClose={() => setTransferOpened(false)} />}
@@ -793,6 +816,7 @@ function CloseMeterModal({ meter, onClose }: { meter: MeterResponse; onClose: ()
 
 export function MeterManager() {
   const metersQuery = useMeters()
+  const sources = useSources()
 
   const [showDeclareForm, setShowDeclareForm] = useState(false)
   const [editMeter, setEditMeter] = useState<MeterResponse | null>(null)
@@ -845,7 +869,7 @@ export function MeterManager() {
         </Notification>
       )}
 
-      <MeterTable meters={meters} onEdit={(m) => setEditMeter(m)} onClose={(m) => setCloseMeter(m)} />
+      <MeterTable meters={meters} sources={sources} onEdit={(m) => setEditMeter(m)} onClose={(m) => setCloseMeter(m)} />
 
       {/* Declare new meter */}
       {showDeclareForm && (

frontend/src/energy/TibberPrices.test.tsx

@@ -245,7 +245,7 @@ describe('TibberPrices', () => {
     expect(screen.getByTestId('tariff-sell-dal')).toHaveTextContent('0.0900')
   })
 
-  it('keeps thermal prices scoped and renders the complete D11 Decimal snapshot with units', async () => {
+  it('keeps thermal prices scoped and renders the complete D11 Decimal snapshot as a table', async () => {
     const user = userEvent.setup()
     const thermal = {
       kind: 'district_heating', currency: 'EUR', points: [], tariff: null,
@@ -273,15 +273,19 @@ describe('TibberPrices', () => {
     await waitFor(() => expect(screen.getByTestId('thermal-price-snapshot')).toBeInTheDocument())
 
     const snapshot = screen.getByTestId('thermal-price-snapshot')
+    const table = screen.getByTestId('thermal-price-table')
     expect(snapshot).toHaveTextContent('Version 42')
     expect(snapshot).toHaveTextContent('effective 2026-01-01T00:00:00Z to 2026-12-31T00:00:00Z')
     expect(snapshot).toHaveTextContent('not a 15-minute market spot price')
-    expect(snapshot).toHaveTextContent('20.123456789123456789 EUR/GJ')
+    expect(screen.getAllByRole('columnheader').map((header) => header.textContent)).toEqual([
-    expect(snapshot).toHaveTextContent('8.200000000000000001 EUR/m³')
+      'Category', 'Charge', 'Rate', 'Unit',
-    expect(snapshot).toHaveTextContent('1.234567890123456789 EUR/m³')
+    ])
-    expect(snapshot).toHaveTextContent('0.456789012345678901 EUR/m³')
+    expect(table.querySelectorAll('tbody tr')).toHaveLength(9)
+    expect(screen.getByTestId('thermal-price-row-variable-heating')).toHaveTextContent('VariableHeating20.123456789123456789EUR/GJ')
+    expect(screen.getByTestId('thermal-price-row-variable-hot_water_heating')).toHaveTextContent('Hot Water Heating8.200000000000000001EUR/m³')
+    expect(screen.getByTestId('thermal-price-row-standing-heating_network')).toHaveTextContent('StandingHeating Network100.000000000000000001EUR/year')
     for (const value of Object.values(thermal.values.standing)) {
-      expect(snapshot).toHaveTextContent(`${value} EUR/year`)
+      expect(table).toHaveTextContent(value)
     }
     expect(mockGet).toHaveBeenCalledWith('/api/energy/prices', expect.objectContaining({
       params: { query: expect.objectContaining({ scope: 'thermal' }) },
@@ -292,6 +296,19 @@ describe('TibberPrices', () => {
     expect(screen.queryByTestId('thermal-price-snapshot')).not.toBeInTheDocument()
   })
 
+  it('keeps unknown thermal snapshot fields with safe human-readable labels', async () => {
+    const user = userEvent.setup()
+    mockGet.mockImplementation((_path: string, options?: { params?: { query?: { scope?: string } } }) => Promise.resolve({
+      data: options?.params?.query?.scope === 'thermal'
+        ? { kind: 'district_heating', currency: 'EUR', values: { future_fee: { experimental_charge: '1.000000000000000001' } } }
+        : { kind: 'manual', currency: 'EUR', points: [], tariff: { buy_dal: 0.1, buy_normal: 0.2, sell_dal: 0.03, sell_normal: 0.04 } },
+    }))
+    renderWithProviders(<TibberPrices />)
+    await user.click(await screen.findByText('Thermal'))
+    const row = await screen.findByTestId('thermal-price-row-future_fee-experimental_charge')
+    expect(row).toHaveTextContent('Future FeeExperimental Charge1.000000000000000001EUR')
+  })
+
   it('marks the currently active price slot with a dot and a caption', async () => {
     installChartSize()
 

frontend/src/energy/TibberPrices.tsx

@@ -23,6 +23,7 @@ import {
   Group,
   Paper,
   SegmentedControl,
+  ScrollArea,
 } from '@mantine/core'
 import {
   LineChart,
@@ -60,6 +61,19 @@ function thermalUnit(section: string, key: string, currency: string): string {
   return currency
 }
 
+function humanizeThermalField(value: string): string {
+  return value
+    .replace(/_/g, ' ')
+    .replace(/\b\w/g, (letter) => letter.toUpperCase())
+}
+
+function thermalSections(values: Record<string, Record<string, string>>): string[] {
+  const preferred = ['variable', 'standing']
+  return [...preferred.filter((section) => section in values), ...Object.keys(values)
+    .filter((section) => !preferred.includes(section))
+    .sort()]
+}
+
 // ---------------------------------------------------------------------------
 // Time range helpers
 // ---------------------------------------------------------------------------
@@ -399,13 +413,28 @@ export function TibberPrices() {
             <Text fw={500}>Thermal contract snapshot</Text>
             <Text size="sm">Version {data.contract_version_id ?? '—'} · effective {data.effective_from ?? '—'} to {data.effective_to ?? 'open'}</Text>
             <Text size="sm" c="dimmed">This is a contract snapshot, not a 15-minute market spot price.</Text>
-            {Object.entries(data.values).map(([section, values]) => (
+            <ScrollArea type="auto">
-              <Text size="sm" key={section} data-testid={`thermal-price-section-${section}`}>
+              <Table withTableBorder withColumnBorders data-testid="thermal-price-table">
-                {section}: {Object.entries(values).map(([key, value]) =>
+                <Table.Thead>
-                  `${key} ${value} ${thermalUnit(section, key, currency)}`,
+                  <Table.Tr>
-                ).join(', ')}
+                    <Table.Th>Category</Table.Th>
-              </Text>
+                    <Table.Th>Charge</Table.Th>
-            ))}
+                    <Table.Th>Rate</Table.Th>
+                    <Table.Th>Unit</Table.Th>
+                  </Table.Tr>
+                </Table.Thead>
+                <Table.Tbody>
+                  {thermalSections(data.values!).flatMap((section) => Object.entries(data.values![section]).map(([key, rate]) => (
+                    <Table.Tr key={`${section}-${key}`} data-testid={`thermal-price-row-${section}-${key}`}>
+                      <Table.Td>{humanizeThermalField(section)}</Table.Td>
+                      <Table.Td>{humanizeThermalField(key)}</Table.Td>
+                      <Table.Td>{rate}</Table.Td>
+                      <Table.Td>{thermalUnit(section, key, currency)}</Table.Td>
+                    </Table.Tr>
+                  )))}
+                </Table.Tbody>
+              </Table>
+            </ScrollArea>
           </Stack>
         </Paper>
       )}