refine Semi UI vehicle evidence

vehicle-data-platform/apps/web/src/v2/domain/protocols.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, test } from 'vitest';
+import { protocolDisplayLabel, protocolSourceLabel } from './protocols';
+
+describe('protocol display vocabulary', () => {
+  test('uses one user-facing label for every supported vehicle protocol', () => {
+    expect(protocolDisplayLabel('GB32960')).toBe('GB/T 32960');
+    expect(protocolDisplayLabel('JT808')).toBe('JT/T 808');
+    expect(protocolDisplayLabel('YUTONG_MQTT')).toBe('宇通 MQTT');
+  });
+
+  test('keeps unknown protocols intact and explains qualified sources', () => {
+    expect(protocolDisplayLabel('CUSTOM')).toBe('CUSTOM');
+    expect(protocolSourceLabel('YUTONG_MQTT:canonical')).toBe('宇通 MQTT · canonical');
+    expect(protocolSourceLabel('CUSTOM:gateway')).toBe('CUSTOM:gateway');
+  });
+});

vehicle-data-platform/apps/web/src/v2/domain/protocols.ts

@@ -0,0 +1,21 @@
+const PROTOCOL_LABELS: Record<string, string> = {
+  GB32960: 'GB/T 32960',
+  JT808: 'JT/T 808',
+  YUTONG_MQTT: '宇通 MQTT'
+};
+
+export function protocolDisplayLabel(protocol?: string) {
+  const normalized = protocol?.trim() ?? '';
+  return normalized ? PROTOCOL_LABELS[normalized] ?? normalized : '—';
+}
+
+export function protocolSourceLabel(source?: string) {
+  const normalized = source?.trim() ?? '';
+  if (!normalized) return '';
+  const separator = normalized.indexOf(':');
+  if (separator < 0) return protocolDisplayLabel(normalized);
+  const protocol = normalized.slice(0, separator);
+  const qualifier = normalized.slice(separator + 1);
+  const label = protocolDisplayLabel(protocol);
+  return label === protocol ? normalized : qualifier ? `${label} · ${qualifier}` : label;
+}