feat(frontend): 全局企业筛选同步 — 各页面显示企业名标签

- 新增 useCompanyName hook 和 CompanyNameTag 组件
- 20+ investor 页面添加 CompanyNameTag 显示企业名
- 表格型页面（agents/agreements/board/weak-signals/talents/reports）新增企业列
- 卡片型页面（risks/synergies/sentinels/alpha/exit-signals/okrs/aars/events/tasks/pre-mortems/nudges/product-diagnostics/peer-circles）添加企业名标签
- customer-success 改用 CompanyNameTag 替代手动 company_name 显示
- PlanCard 组件添加企业名标签
- 编译验证通过

frontend/src/components/customer/PlanCard.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { Target, ArrowRight, DollarSign, Users, Trophy } from "lucide-react";
+import { CompanyNameTag } from "@/components/shared/CompanyNameTag";
 
 /** 决策链节点。 */
 interface DecisionChainNode {
@@ -16,6 +17,7 @@ interface CompetitiveAnalysis {
 
 /** 客户获取方案。 */
 interface CustomerPlanData {
+  company_id?: string;
   target_customer?: string;
   execution_status?: string;
   entry_angle?: string;
@@ -40,6 +42,7 @@ export function PlanCard({ plan }: { plan: CustomerPlanData }) {
       <div className="flex items-start justify-between">
         <div className="flex items-center gap-2">
           <Target size={18} className="text-[var(--investor-primary)]" />
+          <CompanyNameTag companyId={plan.company_id} />
           <h3 className="text-sm font-medium">{plan.target_customer || "未指定目标客户"}</h3>
         </div>
         <span className={`rounded px-2 py-0.5 text-xs ${plan.execution_status ? (statusColors[plan.execution_status] || "bg-muted") : "bg-muted"}`}>

frontend/src/components/risk/RiskCard.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { AlertTriangle, Trash2 } from "lucide-react";
+import { AlertTriangle, Trash2, Building2 } from "lucide-react";
 import {
   RISK_STATUS_LABELS,
   RISK_STATUS_COLORS,
@@ -9,6 +9,7 @@ import {
   RISK_TYPE_LABELS,
   type RiskEvent,
 } from "@/lib/risks";
+import { useCompanyName } from "@/lib/company-scope";
 
 /** 风险卡片组件 — 从风险工作台抽取的独立组件。 */
 
@@ -22,6 +23,7 @@ interface RiskCardProps {
  * 风险事件卡片。
  */
 export function RiskCard({ risk, onStatusChange, onDelete }: RiskCardProps) {
+  const getCompanyName = useCompanyName();
   return (
     <div className="rounded-lg border bg-white p-4 shadow-sm">
       <div className="flex items-start justify-between">
@@ -38,6 +40,9 @@ export function RiskCard({ risk, onStatusChange, onDelete }: RiskCardProps) {
             </span>
           </div>
           <div className="mt-2 flex gap-3 text-xs text-muted-foreground">
+            <span className="flex items-center gap-1 font-medium text-[var(--investor-primary)]">
+              <Building2 size={12} aria-hidden="true" />{getCompanyName(risk.company_id)}
+            </span>
             <span>{RISK_TYPE_LABELS[risk.type] || risk.type}</span>
             <span className={SEVERITY_COLORS[risk.severity]}>
               严重度: {SEVERITY_LABELS[risk.severity] || risk.severity}

frontend/src/components/shared/CompanyNameTag.tsx

@@ -0,0 +1,15 @@
+"use client";
+
+import { Building2 } from "lucide-react";
+import { useCompanyName } from "@/lib/company-scope";
+
+/** 企业名标签 — 在数据项旁显示所属企业名。 */
+export function CompanyNameTag({ companyId, className = "" }: { companyId?: string | null; className?: string }) {
+  const getCompanyName = useCompanyName();
+  return (
+    <span className={`inline-flex items-center gap-1 text-xs font-medium text-[var(--investor-primary)] ${className}`}>
+      <Building2 size={12} aria-hidden="true" />
+      {getCompanyName(companyId)}
+    </span>
+  );
+}