Add native local network integrations

test/bluetooth_le_tracker/test.bluetooth_le_tracker.mapper.node.ts

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+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import { BluetoothLeTrackerMapper } from '../../ts/integrations/bluetooth_le_tracker/index.js';
+
+const lastSeen = Date.now();
+const repeatedAdvertisements = Array.from({ length: 5 }, (_, indexArg) => ({
+  address: 'AA:BB:CC:DD:EE:FF',
+  name: indexArg === 4 ? 'Backpack Tag' : undefined,
+  rssi: -60 - indexArg,
+  battery: 87,
+  connectable: false,
+  time: lastSeen + indexArg,
+}));
+
+tap.test('maps tracked BLE advertisements into devices and device-tracker-like entities', async () => {
+  const snapshot = BluetoothLeTrackerMapper.toSnapshot({
+    trackNewDevices: true,
+    trackBattery: true,
+    advertisements: repeatedAdvertisements,
+    knownDevices: [{ mac: 'BLE_11:22:33:44:55:66', name: 'Ignored Beacon', track: false }],
+  });
+  const devices = BluetoothLeTrackerMapper.toDevices(snapshot);
+  const entities = BluetoothLeTrackerMapper.toEntities(snapshot);
+
+  expect(snapshot.devices.length).toEqual(1);
+  expect(snapshot.devices[0].address).toEqual('aa:bb:cc:dd:ee:ff');
+  expect(snapshot.devices[0].advertisementCount).toEqual(5);
+  expect(devices[0].id).toEqual('bluetooth_le_tracker.device.aa_bb_cc_dd_ee_ff');
+  expect(devices[0].metadata?.haMac).toEqual('BLE_AA:BB:CC:DD:EE:FF');
+  expect(entities.find((entityArg) => entityArg.uniqueId === 'bluetooth_le_tracker_presence_aa_bb_cc_dd_ee_ff')?.state).toEqual('on');
+  expect(entities.find((entityArg) => entityArg.uniqueId === 'bluetooth_le_tracker_state_aa_bb_cc_dd_ee_ff')?.state).toEqual('home');
+  expect(entities.find((entityArg) => entityArg.uniqueId === 'bluetooth_le_tracker_battery_aa_bb_cc_dd_ee_ff')?.state).toEqual(87);
+});
+
+tap.test('keeps new BLE devices untracked until the HA sighting threshold is reached', async () => {
+  const snapshot = BluetoothLeTrackerMapper.toSnapshot({
+    trackNewDevices: true,
+    advertisements: repeatedAdvertisements.slice(0, 4),
+  });
+
+  expect(snapshot.devices.length).toEqual(0);
+});
+
+export default tap.start();