feat: 连接设备上限 backstop — 兜住"已登录的超限设备"(#16)
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登录挡板只拦新登录,已登录的超限会话(如 pro 已连 5 台)永远不被提示 → 限制形同虚设。
补服务端连接卡点:超限账户连接直接拒,兜住已登录设备(下次一连即被拦,无需重登)。
服务端:
- Entitlement 加 MaxDevices(EntitlementForUser 查 p.max_devices;free 默认 1)
- NodeStore.CountActiveDevices(近 30d 活跃)+ SQLNodeStore/mock 实现
- ConnectNode:activeCount > MaxDevices → 403 {code:DEVICE_LIMIT_EXCEEDED, max_devices}
客户端:
- ConnectApiException 解析 code/max_devices(结构化错误体)
- _connect 遇 DEVICE_LIMIT_EXCEEDED → 置 deviceLimitProvider → 顶层路由弹「移除设备」页
(设备列表走 devicesProvider),移除到上限内自动放行
后端 go test(store/nodes/httpapi/devices)全过;前端 analyze 干净 + 66 测试过。
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -16,6 +16,7 @@ import '../bridge/vpn_bridge_provider.dart';
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import '../l10n/app_text.dart';
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import '../models/node.dart';
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import '../services/api_config.dart';
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import '../services/auth_api.dart';
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import '../services/connect_api.dart';
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import '../services/device_identity.dart';
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import 'app_providers.dart';
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@@ -193,6 +194,14 @@ class ConnectionController extends StateNotifier<ConnectionState> {
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// bridge.start() 不阻塞至连接建立;on 状态由 statusStream 回调驱动。
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await _bridge.start(configJson);
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} on ConnectApiException catch (e) {
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// 设备数超限(backstop):弹「移除设备」页(顶层路由据 deviceLimitProvider 切屏),
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// 兜住"已登录但超限"的设备——它们一连就被拦、被提示,无需重新登录。连接回 off。
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if (e.code == 'DEVICE_LIMIT_EXCEEDED') {
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_ref.read(deviceLimitProvider.notifier).state =
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DeviceLimit(maxDevices: e.maxDevices ?? 0, devices: const []);
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if (mounted) state = const ConnectionState(phase: VpnPhase.off);
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return;
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}
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// 把后端/网络错误冒泡到 UI(原静默回 off,用户不知所以)。
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if (mounted) state = ConnectionState(phase: VpnPhase.off, error: zh ? e.messageZh : e.messageEn);
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} catch (e) {
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