refactor: 财报披露日程独立为动态跟踪第三个 Tab

- 新建 DisclosureSchedulePanel 组件，独立展示财报披露日程
- 简化 AnnouncementsPanel，移除财报披露日程部分
- DynamicTracking 新增第三个 Tab：财报披露日程
- 更新 mock 数据字段名匹配组件需求

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

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

src/views/Company/components/CompanyOverview/BasicInfoTab/config.ts

@@ -5,7 +5,6 @@ import { IconType } from "react-icons";
 import {
   FaShareAlt,
   FaUserTie,
-  FaBullhorn,
   FaSitemap,
   FaInfoCircle,
 } from "react-icons/fa";
@@ -72,12 +71,6 @@ export const TAB_CONFIG: TabConfig[] = [
     icon: FaUserTie,
     enabled: true,
   },
-  {
-    key: "announcements",
-    name: "公司公告",
-    icon: FaBullhorn,
-    enabled: true,
-  },
   {
     key: "branches",
     name: "分支机构",