feat(platform): frame realtime sources as evidence

vehicle-data-platform/apps/web/src/pages/Realtime.tsx

@@ -2689,7 +2689,7 @@ export function Realtime({
           applyFilters(nextFilters);
         }} style={{ marginBottom: 12 }}>
           <Form.Input field="keyword" label="车辆关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
-          <Form.Select field="protocol" label="数据通道" placeholder="全部数据通道" style={{ width: 180 }}>
+          <Form.Select field="protocol" label="来源证据筛选" placeholder="全部来源证据" style={{ width: 180 }}>
             <Select.Option value="GB32960">GB32960</Select.Option>
             <Select.Option value="JT808">JT808</Select.Option>
             <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
@@ -2743,7 +2743,7 @@ export function Realtime({
                 { label: '定位有效', value: locatedCount, color: locatedCount > 0 ? 'blue' as const : 'orange' as const },
                 { label: '需要关注', value: degradedCount, color: degradedCount > 0 ? 'orange' as const : 'green' as const, action: () => applyFilters({ ...filters, serviceStatus: 'degraded' }) },
                 { label: '更新超时', value: staleCount, color: staleCount > 0 ? 'red' as const : 'green' as const },
-                { label: '数据通道', value: primaryProtocols.size, color: 'blue' as const }
+                { label: '来源证据', value: primaryProtocols.size, color: 'blue' as const }
               ].map((item) => (
                 item.action ? (
                   <button
@@ -2783,7 +2783,7 @@ export function Realtime({
           </div>
         </div>
         <div className="vp-source-coverage-board">
-          <div className="vp-current-service-title">车辆覆盖概览</div>
+          <div className="vp-current-service-title">车辆来源证据覆盖</div>
           <div className="vp-source-coverage-grid">
             {sourceCoverageRows.length === 0 ? (
               <Typography.Text type="tertiary">当前页暂无车辆实时数据。</Typography.Text>
@@ -2792,7 +2792,7 @@ export function Realtime({
                 key={item.protocol}
                 type="button"
                 className="vp-source-coverage-item"
-                aria-label={`筛选数据通道 ${item.protocol}`}
+                aria-label={`筛选来源证据 ${item.protocol}`}
                 onClick={() => applyFilters({ ...filters, protocol: item.protocol })}
               >
                 <div className="vp-source-coverage-item-head">