完善设备端体验与微信校验支持

docs/architecture/README.md

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+# Banban Architecture Diagrams
+
+This folder contains repo-backed Mermaid diagrams for the Banban mini-program,
+backend, device, database, and notification flows.
+
+## Diagrams
+
+- [01 System Overview](./01-system-overview.md)
+- [02 Device Bootstrap](./02-device-bootstrap.md)
+- [03 Binding Flow](./03-binding-flow.md)
+- [04 Voice And IM Flow](./04-voice-and-im-flow.md)
+- [05 Location Flow](./05-location-flow.md)
+- [06 Alarm And Notification Flow](./06-alarm-and-notification-flow.md)
+- [07 Deployment](./07-deployment.md)
+
+## Maintenance Notes
+
+- Keep diagrams tied to current code paths and table names.
+- Prefer several narrow diagrams over one overloaded diagram.
+- Update the source anchors when moving routers, services, handlers, or tables.