模板 / sequenceDiagram
推送通知投递
服务端触发推送,经平台网关(APNs/FCM)最终送达设备。
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Mermaid 源码
sequenceDiagram
sequenceDiagram
participant Server
participant Gateway as Push gateway
participant Platform as APNs / FCM
participant Device
Server->>Gateway: Send notification payload
Gateway->>Platform: Forward with device token
Platform->>Device: Deliver push
Device-->>Platform: Delivery receipt
Platform-->>Gateway: Delivery status
Gateway-->>Server: Update notification log