feat(console-ui): display revision unregister events

Extend the typed event model and activity feed metadata so development cleanup remains visible in the management console.

console/src/api.ts

@@ -35,7 +35,7 @@ export type BackendService = {
 export type BackendEvent = {
   id: number;
   timestamp_ms: number;
-  kind: "registered" | "deployed" | "started" | "stopped" | "invoked" | "failed";
+  kind: "registered" | "unregistered" | "deployed" | "started" | "stopped" | "invoked" | "failed";
   service_id: string | null;
   revision: string | null;
   message: string;

console/src/routes/index.tsx

@@ -135,6 +135,7 @@ function toEvent(event: BackendEvent): RuntimeEvent {
     event.service_id && event.revision ? `${event.service_id}@${event.revision}` : "Wasmeld";
   const meta: Record<BackendEvent["kind"], { label: string; tone: EventTone }> = {
     registered: { label: "已注册", tone: "success" },
+    unregistered: { label: "已注销", tone: "neutral" },
     deployed: { label: "部署切换", tone: "success" },
     started: { label: "已启动", tone: "success" },
     stopped: { label: "已停止", tone: "neutral" },