refactor(ui): polish semi alert workspace

vehicle-data-platform/apps/web/src/v2/pages/AlertsPage.tsx

@@ -31,6 +31,15 @@ const EMPTY_FILTERS: Filters = { keyword: '', severity: '', status: '', ruleId:
 const PROTOCOLS = ['GB32960', 'JT808', 'YUTONG_MQTT'];
 const NUMERIC_OPERATORS = ['gt', 'gte', 'lt', 'lte', 'eq', 'neq', 'between', 'outside'];
 const BOOLEAN_OPERATORS = ['eq', 'neq', 'changed'];
+const COMPACT_ALERT_COLUMN_WIDTHS: Record<string, number> = {
+  selection: 40,
+  severity: 80,
+  plate: 132,
+  ruleName: 148,
+  protocol: 100,
+  triggeredAt: 120,
+  status: 78
+};
 type RuleTemplate = { id: string; title: string; summary: string; draft: AlertRuleInput };
 
 const RULE_TEMPLATES: RuleTemplate[] = [
@@ -100,7 +109,11 @@ const AlertEventTable = memo(function AlertEventTable({ rows, selectedID, compac
     },
     { title: '位置', dataIndex: 'location', width: 180, render: (value: string) => <span className="v2-alert-event-location" title={value}>{value || '—'}</span> },
     ];
-    return compact ? allColumns.filter((column) => column.dataIndex !== 'evidence' && column.dataIndex !== 'location') : allColumns;
+    return compact
+      ? allColumns
+        .filter((column) => column.dataIndex !== 'evidence' && column.dataIndex !== 'location')
+        .map((column) => ({ ...column, width: COMPACT_ALERT_COLUMN_WIDTHS[column.dataIndex] ?? column.width }))
+      : allColumns;
   }, [compact, onSelect, selectedID]);
 
   return <Table