fix: 修复整合包失败后的完整重试流程

apps/app-frontend/src/helpers/hosted-install-retry.ts

@@ -0,0 +1,34 @@
+import type { InstallJobSnapshot } from './install.ts'
+
+interface InstallRetryDependencies {
+	getInstanceMode: (instanceId: string) => Promise<'starlight' | 'local'>
+	retryHosted: (instanceId: string, sourceJobId: string) => Promise<void>
+	retryGeneric: (jobId: string) => Promise<InstallJobSnapshot>
+}
+
+/**
+ * Minecraft installation jobs started by StarLight synchronization are only
+ * one stage of the full operation. Retrying that stage alone leaves the
+ * pending pack journal unapplied, so these jobs must resume through
+ * `hostedSync` instead of the generic install-job retry command.
+ */
+export function hostedRuntimeRetryInstanceId(job: InstallJobSnapshot): string | null {
+	if (job.kind !== 'install_existing_instance' || job.instance_deleted) return null
+	return job.instance_id ?? job.target.instance_id ?? null
+}
+
+export function hostedRetryRoute(instanceId: string): string {
+	return `/instance/${encodeURIComponent(instanceId)}`
+}
+
+export async function retryInstallJob(
+	job: InstallJobSnapshot,
+	dependencies: InstallRetryDependencies,
+): Promise<InstallJobSnapshot | null> {
+	const instanceId = hostedRuntimeRetryInstanceId(job)
+	if (instanceId && (await dependencies.getInstanceMode(instanceId)) === 'starlight') {
+		await dependencies.retryHosted(instanceId, job.job_id)
+		return null
+	}
+	return dependencies.retryGeneric(job.job_id)
+}