feat(workbench): complete company view — health trend, major events, milestones, team, synergy + dashboard click-through

frontend/src/components/workbench/TabNav.tsx

@@ -3,7 +3,7 @@
 import {type ReactNode } from "react";
 import {
   LayoutDashboard, DollarSign, Activity, Users, Bot,
-  AlertTriangle, FileText, ClipboardList, ScrollText, Network,
+  AlertTriangle, FileText, ClipboardList, ScrollText, Network, Flag,
 } from "lucide-react";
 
 /** 工作台 Tab 定义。 */
@@ -14,6 +14,7 @@ const TABS = [
   { id: "org", label: "组织", icon: Users },
   { id: "ai", label: "AI+专项", icon: Bot },
   { id: "risk", label: "风险", icon: AlertTriangle },
+  { id: "events", label: "重大事项", icon: Flag },
   { id: "reports", label: "月报", icon: FileText },
   { id: "board", label: "董事会", icon: ClipboardList },
   { id: "agreements", label: "协议", icon: ScrollText },