perf: CompanyOverview 内层 Tab 懒加载优化

- 将 useCompanyOverviewData（9个API）拆分为独立 Hooks：
  - useBasicInfo: 基本信息（首屏唯一加载）
  - useShareholderData: 股东信息（4个API）
  - useManagementData: 管理层信息
  - useAnnouncementsData: 公告数据
  - useBranchesData: 分支机构
  - useDisclosureData: 披露日程
- BasicInfoTab 使用子组件实现真正的懒加载：
  - ShareholderTabPanel、ManagementTabPanel 等
  - 配合 Chakra UI isLazy，切换 Tab 时才加载数据
- 首屏 API 请求从 9 个减少到 1 个

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/CompanyOverview/hooks/useAnnouncementsData.ts

@@ -0,0 +1,61 @@
+// src/views/Company/components/CompanyOverview/hooks/useAnnouncementsData.ts
+// 公告数据 Hook - 用于公司公告 Tab
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { Announcement } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseAnnouncementsDataResult {
+  announcements: Announcement[];
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 公告数据 Hook
+ * @param stockCode - 股票代码
+ */
+export const useAnnouncementsData = (stockCode?: string): UseAnnouncementsDataResult => {
+  const [announcements, setAnnouncements] = useState<Announcement[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const response = await fetch(
+        `${API_BASE_URL}/api/stock/${stockCode}/announcements?limit=20`
+      );
+      const result = (await response.json()) as ApiResponse<Announcement[]>;
+
+      if (result.success) {
+        setAnnouncements(result.data);
+      } else {
+        setError("加载公告数据失败");
+      }
+    } catch (err) {
+      logger.error("useAnnouncementsData", "loadData", err, { stockCode });
+      setError("网络请求失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return { announcements, loading, error };
+};

src/views/Company/components/CompanyOverview/hooks/useBasicInfo.ts

@@ -0,0 +1,59 @@
+// src/views/Company/components/CompanyOverview/hooks/useBasicInfo.ts
+// 公司基本信息 Hook - 用于 CompanyHeaderCard
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { BasicInfo } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseBasicInfoResult {
+  basicInfo: BasicInfo | null;
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 公司基本信息 Hook
+ * @param stockCode - 股票代码
+ */
+export const useBasicInfo = (stockCode?: string): UseBasicInfoResult => {
+  const [basicInfo, setBasicInfo] = useState<BasicInfo | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const response = await fetch(`${API_BASE_URL}/api/stock/${stockCode}/basic-info`);
+      const result = (await response.json()) as ApiResponse<BasicInfo>;
+
+      if (result.success) {
+        setBasicInfo(result.data);
+      } else {
+        setError("加载基本信息失败");
+      }
+    } catch (err) {
+      logger.error("useBasicInfo", "loadData", err, { stockCode });
+      setError("网络请求失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return { basicInfo, loading, error };
+};

src/views/Company/components/CompanyOverview/hooks/useBranchesData.ts

@@ -0,0 +1,59 @@
+// src/views/Company/components/CompanyOverview/hooks/useBranchesData.ts
+// 分支机构数据 Hook - 用于分支机构 Tab
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { Branch } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseBranchesDataResult {
+  branches: Branch[];
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 分支机构数据 Hook
+ * @param stockCode - 股票代码
+ */
+export const useBranchesData = (stockCode?: string): UseBranchesDataResult => {
+  const [branches, setBranches] = useState<Branch[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const response = await fetch(`${API_BASE_URL}/api/stock/${stockCode}/branches`);
+      const result = (await response.json()) as ApiResponse<Branch[]>;
+
+      if (result.success) {
+        setBranches(result.data);
+      } else {
+        setError("加载分支机构数据失败");
+      }
+    } catch (err) {
+      logger.error("useBranchesData", "loadData", err, { stockCode });
+      setError("网络请求失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return { branches, loading, error };
+};

src/views/Company/components/CompanyOverview/hooks/useDisclosureData.ts

@@ -0,0 +1,61 @@
+// src/views/Company/components/CompanyOverview/hooks/useDisclosureData.ts
+// 披露日程数据 Hook - 用于工商信息 Tab
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { DisclosureSchedule } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseDisclosureDataResult {
+  disclosureSchedule: DisclosureSchedule[];
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 披露日程数据 Hook
+ * @param stockCode - 股票代码
+ */
+export const useDisclosureData = (stockCode?: string): UseDisclosureDataResult => {
+  const [disclosureSchedule, setDisclosureSchedule] = useState<DisclosureSchedule[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const response = await fetch(
+        `${API_BASE_URL}/api/stock/${stockCode}/disclosure-schedule`
+      );
+      const result = (await response.json()) as ApiResponse<DisclosureSchedule[]>;
+
+      if (result.success) {
+        setDisclosureSchedule(result.data);
+      } else {
+        setError("加载披露日程数据失败");
+      }
+    } catch (err) {
+      logger.error("useDisclosureData", "loadData", err, { stockCode });
+      setError("网络请求失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return { disclosureSchedule, loading, error };
+};

src/views/Company/components/CompanyOverview/hooks/useManagementData.ts

@@ -0,0 +1,61 @@
+// src/views/Company/components/CompanyOverview/hooks/useManagementData.ts
+// 管理团队数据 Hook - 用于管理团队 Tab
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { Management } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseManagementDataResult {
+  management: Management[];
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 管理团队数据 Hook
+ * @param stockCode - 股票代码
+ */
+export const useManagementData = (stockCode?: string): UseManagementDataResult => {
+  const [management, setManagement] = useState<Management[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const response = await fetch(
+        `${API_BASE_URL}/api/stock/${stockCode}/management?active_only=true`
+      );
+      const result = (await response.json()) as ApiResponse<Management[]>;
+
+      if (result.success) {
+        setManagement(result.data);
+      } else {
+        setError("加载管理团队数据失败");
+      }
+    } catch (err) {
+      logger.error("useManagementData", "loadData", err, { stockCode });
+      setError("网络请求失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return { management, loading, error };
+};

src/views/Company/components/CompanyOverview/hooks/useShareholderData.ts

@@ -0,0 +1,83 @@
+// src/views/Company/components/CompanyOverview/hooks/useShareholderData.ts
+// 股权结构数据 Hook - 用于股权结构 Tab
+
+import { useState, useEffect, useCallback } from "react";
+import { logger } from "@utils/logger";
+import { getApiBase } from "@utils/apiConfig";
+import type { ActualControl, Concentration, Shareholder } from "../types";
+
+const API_BASE_URL = getApiBase();
+
+interface ApiResponse<T> {
+  success: boolean;
+  data: T;
+}
+
+interface UseShareholderDataResult {
+  actualControl: ActualControl[];
+  concentration: Concentration[];
+  topShareholders: Shareholder[];
+  topCirculationShareholders: Shareholder[];
+  loading: boolean;
+  error: string | null;
+}
+
+/**
+ * 股权结构数据 Hook
+ * @param stockCode - 股票代码
+ */
+export const useShareholderData = (stockCode?: string): UseShareholderDataResult => {
+  const [actualControl, setActualControl] = useState<ActualControl[]>([]);
+  const [concentration, setConcentration] = useState<Concentration[]>([]);
+  const [topShareholders, setTopShareholders] = useState<Shareholder[]>([]);
+  const [topCirculationShareholders, setTopCirculationShareholders] = useState<Shareholder[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadData = useCallback(async () => {
+    if (!stockCode) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const [actualRes, concentrationRes, shareholdersRes, circulationRes] = await Promise.all([
+        fetch(`${API_BASE_URL}/api/stock/${stockCode}/actual-control`).then((r) =>
+          r.json()
+        ) as Promise<ApiResponse<ActualControl[]>>,
+        fetch(`${API_BASE_URL}/api/stock/${stockCode}/concentration`).then((r) =>
+          r.json()
+        ) as Promise<ApiResponse<Concentration[]>>,
+        fetch(`${API_BASE_URL}/api/stock/${stockCode}/top-shareholders?limit=10`).then((r) =>
+          r.json()
+        ) as Promise<ApiResponse<Shareholder[]>>,
+        fetch(`${API_BASE_URL}/api/stock/${stockCode}/top-circulation-shareholders?limit=10`).then((r) =>
+          r.json()
+        ) as Promise<ApiResponse<Shareholder[]>>,
+      ]);
+
+      if (actualRes.success) setActualControl(actualRes.data);
+      if (concentrationRes.success) setConcentration(concentrationRes.data);
+      if (shareholdersRes.success) setTopShareholders(shareholdersRes.data);
+      if (circulationRes.success) setTopCirculationShareholders(circulationRes.data);
+    } catch (err) {
+      logger.error("useShareholderData", "loadData", err, { stockCode });
+      setError("加载股权结构数据失败");
+    } finally {
+      setLoading(false);
+    }
+  }, [stockCode]);
+
+  useEffect(() => {
+    loadData();
+  }, [loadData]);
+
+  return {
+    actualControl,
+    concentration,
+    topShareholders,
+    topCirculationShareholders,
+    loading,
+    error,
+  };
+};

src/views/Company/components/CompanyOverview/index.tsx

@@ -1,10 +1,11 @@
 // src/views/Company/components/CompanyOverview/index.tsx
 // 公司概览 - 主组件（组合层）
+// 懒加载优化：只加载头部卡片数据，BasicInfoTab 内部懒加载各 Tab 数据
 
 import React from "react";
 import { VStack, Spinner, Center, Text } from "@chakra-ui/react";
 
-import { useCompanyOverviewData } from "./hooks/useCompanyOverviewData";
+import { useBasicInfo } from "./hooks/useBasicInfo";
 import CompanyHeaderCard from "./CompanyHeaderCard";
 import type { CompanyOverviewProps } from "./types";
 
@@ -15,22 +16,15 @@ import BasicInfoTab from "./BasicInfoTab";
  * 公司概览组件
  *
  * 功能：
- * - 显示公司头部信息卡片
- * - 显示基本信息（股权结构、管理层、公告等）
+ * - 显示公司头部信息卡片（useBasicInfo）
+ * - 显示基本信息 Tab（内部懒加载各子 Tab 数据）
+ *
+ * 懒加载策略：
+ * - 主组件只加载 basicInfo（1 个 API）
+ * - BasicInfoTab 内部根据 Tab 切换懒加载其他数据
  */
 const CompanyOverview: React.FC<CompanyOverviewProps> = ({ stockCode }) => {
-  const {
-    basicInfo,
-    actualControl,
-    concentration,
-    management,
-    topCirculationShareholders,
-    topShareholders,
-    branches,
-    announcements,
-    disclosureSchedule,
-    loading,
-  } = useCompanyOverviewData(stockCode);
+  const { basicInfo, loading, error } = useBasicInfo(stockCode);
 
   // 加载状态
   if (loading && !basicInfo) {
@@ -44,24 +38,25 @@ const CompanyOverview: React.FC<CompanyOverviewProps> = ({ stockCode }) => {
     );
   }
 
+  // 错误状态
+  if (error && !basicInfo) {
+    return (
+      <Center h="300px">
+        <Text color="red.500">{error}</Text>
+      </Center>
+    );
+  }
+
   return (
     <VStack spacing={6} align="stretch">
       {/* 公司头部信息卡片 */}
       {basicInfo && <CompanyHeaderCard basicInfo={basicInfo} />}
 
-      {/* 基本信息内容 */}
+      {/* 基本信息内容 - 传入 stockCode，内部懒加载各 Tab 数据 */}
       <BasicInfoTab
+        stockCode={stockCode}
         basicInfo={basicInfo}
-        actualControl={actualControl}
-        concentration={concentration}
-        topShareholders={topShareholders}
-        topCirculationShareholders={topCirculationShareholders}
-        management={management}
-        announcements={announcements}
-        branches={branches}
-        disclosureSchedule={disclosureSchedule}
         cardBg="white"
-        loading={loading}
       />
     </VStack>
   );