feat: KKT dto_device_id — multiple KKTs per DTO instance

- EquipmentPage: added "ID устройства в ДТО" field (config.dto_device_id),
  shown on device card as #1
- api.ts: typed config.dto_device_id in WorkstationDevice

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/routes/workstations.ts

@@ -302,6 +302,7 @@ const workstationRoutes: FastifyPluginAsync = async (fastify) => {
             dto_port: device.dto_port,
             dto_user: device.config?.dto_user,
             dto_pass: device.config?.dto_pass,
+            dto_device_id: device.config?.dto_device_id,
           },
         }) as { ok: boolean; error?: string; message?: string }
         return result

src/lib/api.ts

@@ -1006,7 +1006,7 @@ export interface WorkstationDevice {
   networkPort?: number
   comPort?: string
   purpose: 'fiscal' | 'kitchen' | 'bar' | 'receipt' | 'other'
-  config: Record<string, unknown>
+  config: Record<string, unknown> & { dto_user?: string; dto_pass?: string; dto_device_id?: string }
   fiscalMode?: boolean
   dtoPort?: number
 }

src/pages/EquipmentPage.tsx

@@ -203,6 +203,7 @@ function DeviceForm({
   const [dtoPort, setDtoPort]         = useState(String(initial?.dtoPort ?? 16732))
   const [dtoUser, setDtoUser]         = useState(String(initial?.config?.dto_user ?? '30'))
   const [dtoPass, setDtoPass]         = useState(String(initial?.config?.dto_pass ?? '30'))
+  const [dtoDeviceId, setDtoDeviceId] = useState(String(initial?.config?.dto_device_id ?? ''))
   const [saving, setSaving]           = useState(false)
   const [availablePorts, setAvailablePorts] = useState<{ port: string; description?: string }[] | null>(null)
   const [portsLoading, setPortsLoading]     = useState(false)
@@ -230,7 +231,7 @@ function DeviceForm({
       purpose: purpose as WorkstationDevice['purpose'],
       fiscalMode: type === 'kkt' ? fiscalMode : undefined,
       dtoPort:    type === 'kkt' && fiscalMode ? Number(dtoPort) : undefined,
-      config:     type === 'kkt' && fiscalMode ? { dto_user: dtoUser, dto_pass: dtoPass } : undefined,
+      config:     type === 'kkt' && fiscalMode ? { dto_user: dtoUser, dto_pass: dtoPass, dto_device_id: dtoDeviceId.trim() || undefined } : undefined,
     })
     setSaving(false)
   }
@@ -295,15 +296,27 @@ function DeviceForm({
           </div>
           {fiscalMode && (
             <div className="space-y-3">
+              <div className="grid grid-cols-2 gap-3">
                 <div>
                   <label className="block text-xs font-medium text-slate-500 mb-1">Порт АТОЛ ДТО</label>
                   <input
                     value={dtoPort}
                     onChange={e => setDtoPort(e.target.value)}
-                  className="w-32 input text-sm font-mono"
+                    className="w-full input text-sm font-mono"
                     placeholder="16732"
                   />
-                <p className="text-xs text-slate-400 mt-1">По умолчанию 16732. Для нескольких касс — разные порты.</p>
+                  <p className="text-xs text-slate-400 mt-1">По умолчанию 16732</p>
+                </div>
+                <div>
+                  <label className="block text-xs font-medium text-slate-500 mb-1">ID устройства в ДТО</label>
+                  <input
+                    value={dtoDeviceId}
+                    onChange={e => setDtoDeviceId(e.target.value)}
+                    className="w-full input text-sm font-mono"
+                    placeholder="1"
+                  />
+                  <p className="text-xs text-slate-400 mt-1">Из /api/v2/devices</p>
+                </div>
               </div>
               <div className="grid grid-cols-2 gap-3">
                 <div>
@@ -694,6 +707,9 @@ function WorkstationCard({
                           {device.type === 'kkt' && device.fiscalMode !== false && device.dtoPort && device.dtoPort !== 16732 && (
                             <span className="text-xs text-slate-400 font-mono">DTO:{device.dtoPort}</span>
                           )}
+                          {device.type === 'kkt' && device.fiscalMode !== false && device.config?.dto_device_id && (
+                            <span className="text-xs text-slate-400 font-mono">#{device.config.dto_device_id}</span>
+                          )}
                         </div>
                       </div>