feat: ship skill and MCP workflows with signed updater for v0.0.7

src/main/update-lifecycle.ts

@@ -0,0 +1,59 @@
+export interface UpdateLifecyclePorts {
+  quiesce(): Promise<void>
+  restore(): void
+  shutdown(): Promise<void>
+  exit(): void
+  log(error: unknown): void
+  prepareTimeoutMs?: number
+  quitTimeoutMs?: number
+}
+
+export function createUpdateLifecycle(ports: UpdateLifecyclePorts): {
+  beforeInstall(): Promise<boolean>
+  installFailed(): void
+  quitForUpdate(): Promise<void>
+} {
+  let preparation: Promise<void> | null = null
+  let committed = false
+  const restore = (): void => { if (!committed) ports.restore() }
+  const installFailed = (): void => {
+    // Stopping work is not cancellable. Do not resume underneath an old stop.
+    if (preparation) void preparation.then(restore, restore)
+    else restore()
+  }
+  return {
+    async beforeInstall() {
+      if (committed) throw new Error('安装器已启动，请退出应用完成更新')
+      if (preparation) throw new Error('上次更新准备仍在结束中，请稍后重试')
+      let timer: ReturnType<typeof setTimeout> | undefined
+      const pending = ports.quiesce()
+      preparation = pending
+      void pending.finally(() => { if (preparation === pending) preparation = null }).catch(() => undefined)
+      try {
+        await Promise.race([
+          pending,
+          new Promise<never>((_, reject) => {
+            timer = setTimeout(() => reject(new Error('任务清理尚未结束，暂不能开始新任务；请稍后重试或重启应用')), ports.prepareTimeoutMs ?? 30_000)
+          })
+        ])
+        return true
+      } finally { clearTimeout(timer) }
+    },
+    installFailed,
+    async quitForUpdate() {
+      committed = true
+      let timer: ReturnType<typeof setTimeout> | undefined
+      try {
+        await Promise.race([
+          ports.shutdown(),
+          new Promise<void>(resolve => { timer = setTimeout(resolve, ports.quitTimeoutMs ?? 15_000) })
+        ])
+      } catch (error) {
+        ports.log(error)
+      } finally {
+        clearTimeout(timer)
+        ports.exit()
+      }
+    }
+  }
+}