fix(map): group national view by live GPS province

tests/test_app.mjs

@@ -12,13 +12,22 @@ dashboard = {
     { vin: 'VIN-X-1', plateNumber: '观光车001', online: false, dailyMileageKm: 0, locationAvailable: false }
   ]
 };
+const areaNode = {
+  groupByPosition(points) {
+    return [
+      { subFeatureIndex: 0, subFeature: { properties: { adcode: '440000', name: '广东省', center: [113.2, 23.1] } }, points: points.filter(point => point.vin === 'VIN-GD-1') },
+      { subFeatureIndex: 1, subFeature: { properties: { adcode: '330000', name: '浙江省', center: [120.2, 30.3] } }, points: points.filter(point => point.vin === 'VIN-ZJ-1') }
+    ];
+  }
+};
+vehicleProvinceSummary = aggregateVehicleProvinces(areaNode);
 const summary = buildVehicleProvinceNodes();
 assert.equal(summary.nodes.length, 2);
-assert.equal(summary.unassigned, 1);
+assert.equal(summary.unassigned, 2);
 const guangdong = summary.nodes.find(node => node.nameZh === '广东');
-assert.equal(guangdong.count, 2);
+assert.equal(guangdong.count, 1);
 assert.equal(guangdong.online, 1);
-assert.equal(guangdong.dist, 15);
+assert.equal(guangdong.dist, 10);
 
 map = { getZoom: () => 4.8 };
 assert.equal(vehicleNodes().length, 2);
@@ -32,7 +41,7 @@ assert.equal(vehicleNodes().reduce((sum, node) => sum + node.count, 0), 2);
 const sandbox = {
   assert,
   console,
-  document: { addEventListener() {} },
+  document: { addEventListener() {}, querySelector() {}, createElement() { return {}; }, head: { appendChild() {} } },
   window: {},
   setInterval() {},
   clearInterval() {}