fix: 对齐运维页面原型并收口权限边界

- 删除模型大类概览和细分银行概览中原型未包含的过渡跳转按钮，保留卡片点击、筛选、指标趋势和详情入口。

- 移除运维系统配置页中的模型平台新增页面依赖、登录角色来源等内部说明，仅保留实际配置内容。

- 将开发工作台访问控制统一收敛到 dashboard:view，业务团队仅保留运维工作台权限；直接访问开发工作台时自动回到运维工作台。

- 补充架构实现基线、外部写入协议、运维 API 清单、三角色权限验收说明和首条纵向链路联调手册。

- 按当前实现更新架构变更记录和本周目标完成情况。

frontend/app/routes/platform.navigation.tsx

@@ -104,7 +104,7 @@ export const navigation: NavigationItem[] = [
     icon: Home,
     page: "home",
     children: [
-      { label: "开发工作台", icon: Home, page: "home", activePath: "/workbench", targetPath: "/workbench" },
+      { label: "开发工作台", icon: Home, page: "home", activePath: "/workbench", targetPath: "/workbench", permission: "dashboard:view" },
       { label: "运维工作台", icon: Gauge, page: "operations", activePath: "/operations", targetPath: "/operations", permission: "operations:workbench:view", visibleToOperationsRoles: ["business", "model", "admin"] },
       { label: "平台使用统计", icon: ChartNoAxesColumn, page: "operations", activePath: "/operations/usage", targetPath: "/operations/usage", permission: "operations:usage:view", visibleToOperationsRoles: ["admin"] },
     ],