fix: 修复页面间状态丢失问题并优化选择页面

- 修复选择审批人后再选择抄送人导致状态丢失的问题
- 使用独立的 sessionStorage key (selectedApprovers, selectedCc)
- 组件每次挂载时从 sessionStorage 恢复状态
- 只在提交/保存成功后清除 sessionStorage
- 优化人员选择页面布局和样式
- 更新 CLAUDE.md 文档记录问题和解决方案

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frpc/frpc-dev.toml

@@ -0,0 +1,30 @@
+serverAddr = "8.152.213.143"
+serverPort = 7000
+
+auth.method = "token"
+auth.token = "6dEjuXXMpJSdBbAQDRzECHmAbeGd"
+
+webServer.addr = "0.0.0.0"
+webServer.port = 7500
+webServer.user = "admin_mzl92"
+webServer.password = "ydd6Gx7cuA8XwQ38JSpxhpSBHVGy"
+webServer.pprofEnable = false
+
+# X-Server 开发环境代理
+[[proxies]]
+name = "x-server-dev"
+type = "http"
+localIP = "127.0.0.1"
+localPort = 80
+
+# 自定义域名
+customDomains = ["x-server.dev.hnxinyouhe.com"]
+
+# 启用加密和压缩
+transport.useEncryption = true
+transport.useCompression = true
+
+# 健康检查
+healthCheck.type = "tcp"
+healthCheck.intervalS = 30
+healthCheck.maxFailed = 3