feat: 切换邮箱认证并重构前后端启动与门禁

apps/README.md

@@ -1,16 +1,27 @@
-# meeyao_qianwen
+# eryao apps
 
-A new Flutter project.
+Flutter client for `觅爻签问`.
 
-## Getting Started
+## Debug startup with backend injection
 
-This project is a starting point for a Flutter application.
+This app supports injecting backend URL at startup (same pattern as social-app):
 
-A few resources to get you started if this is your first Flutter project:
+- Dart read path: `lib/core/config/env.dart`
+- Injection key: `BACKEND_URL`
 
-- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+### Direct command
 
-For help getting started with Flutter development, view the
-[online documentation](https://docs.flutter.dev/), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+```bash
+flutter run --dart-define=BACKEND_URL=http://192.168.1.100:5775
+```
+
+### Script command
+
+```bash
+./tool/run-dev.sh --backend-url http://192.168.1.100:5775
+```
+
+If `BACKEND_URL` is not provided, fallback is:
+
+- Android emulator: `http://10.0.2.2:5775`
+- Others: `http://localhost:5775`