fix: align smart category args and runtime network errors (#591)

* fix: align smart category args and remove eval fixtures

* fix: classify runtime network failures

* fix: validate smart category inputs

internal/i18n/locales/en.json

@@ -105,6 +105,7 @@
   "截止时间 ISO-8601 (如 2026-03-10T18:00:00+08:00)": "Due time ISO-8601 (e.g. 2026-03-10T18:00:00+08:00)",
   "执行者 userId 列表 (必填)": "Executor userId list (required)",
   "检查登录状态后重试": "Check login status and retry",
+  "检查网络、代理和 DNS 配置后重试原命令": "Check network, proxy, and DNS settings, then retry the original command",
   "检查服务连通性后重试；如持续失败，请确认 MCP 服务响应正常。": "Check service connectivity and retry; if persistent, verify MCP service is responding.",
   "检查服务连通性和协议版本后重试": "Check service connectivity and protocol version, then retry",
   "检查认证、权限和参数后重试原命令": "Check authentication, permissions, and parameters, then retry",
@@ -117,6 +118,7 @@
   "完成状态: true/false": "Done status: true/false",
   "完成状态: true=已完成, false=未完成 (必填)": "Done status: true=completed, false=not completed (required)",
   "确认删除? (yes/no): ": "Confirm delete? (yes/no): ",
+  "确认 MCP 服务可访问；若持续失败请稍后重试": "Verify the MCP service is reachable; if the failure persists, retry later",
   "等待用户授权...": "Waiting for user authorization...",
   "结果格式与客户端预期不一致；请检查服务协议变更或回退到最近可用版本。": "Result format does not match client expectations; check service protocol changes or rollback to latest working version.",
   "网络错误，继续重试...": "Network error, retrying...",

internal/i18n/locales/zh.json

@@ -105,6 +105,7 @@
   "截止时间 ISO-8601 (如 2026-03-10T18:00:00+08:00)": "截止时间 ISO-8601 (如 2026-03-10T18:00:00+08:00)",
   "执行者 userId 列表 (必填)": "执行者 userId 列表 (必填)",
   "检查登录状态后重试": "检查登录状态后重试",
+  "检查网络、代理和 DNS 配置后重试原命令": "检查网络、代理和 DNS 配置后重试原命令",
   "检查服务连通性后重试；如持续失败，请确认 MCP 服务响应正常。": "检查服务连通性后重试；如持续失败，请确认 MCP 服务响应正常。",
   "检查服务连通性和协议版本后重试": "检查服务连通性和协议版本后重试",
   "检查认证、权限和参数后重试原命令": "检查认证、权限和参数后重试原命令",
@@ -117,6 +118,7 @@
   "完成状态: true/false": "完成状态: true/false",
   "完成状态: true=已完成, false=未完成 (必填)": "完成状态: true=已完成, false=未完成 (必填)",
   "确认删除? (yes/no): ": "确认删除? (yes/no): ",
+  "确认 MCP 服务可访问；若持续失败请稍后重试": "确认 MCP 服务可访问；若持续失败请稍后重试",
   "等待用户授权...": "等待用户授权...",
   "结果格式与客户端预期不一致；请检查服务协议变更或回退到最近可用版本。": "结果格式与客户端预期不一致；请检查服务协议变更或回退到最近可用版本。",
   "网络错误，继续重试...": "网络错误，继续重试...",