fix: 修复整合包失败后的完整重试流程

apps/app-frontend/src/composables/useHostedSync.ts

@@ -1,30 +1,59 @@
 import { computed, reactive } from 'vue'
+
 import { hostedSync, type HostedSyncResult } from '../helpers/hosted-packs.ts'
 
 const tasks = reactive(
 	new Map<string, { busy: boolean; result: HostedSyncResult | null; error: string }>(),
 )
+const inFlight = new Map<string, Promise<HostedSyncResult>>()
+
+function getTask(instanceId: string) {
+	if (!tasks.has(instanceId)) tasks.set(instanceId, { busy: false, result: null, error: '' })
+	return tasks.get(instanceId)!
+}
+
+/**
+ * Run one authoritative StarLight synchronization per instance. Every retry
+ * surface uses this function so the full pack transaction, its progress and
+ * its final result cannot diverge between pages.
+ */
+export function runHostedSync(instanceId: string): Promise<HostedSyncResult> {
+	const existing = inFlight.get(instanceId)
+	if (existing) return existing
+
+	const current = getTask(instanceId)
+	current.busy = true
+	current.error = ''
+	current.result = null
+	const request = hostedSync(instanceId)
+		.then((result) => {
+			current.result = result
+			return result
+		})
+		.catch((error) => {
+			current.error = String(error)
+			throw error
+		})
+		.finally(() => {
+			current.busy = false
+			inFlight.delete(instanceId)
+		})
+	inFlight.set(instanceId, request)
+	return request
+}
 
 export function useHostedSync(instanceId: () => string) {
 	const task = computed(() => {
-		const id = instanceId()
-		if (!tasks.has(id)) tasks.set(id, { busy: false, result: null, error: '' })
-		return tasks.get(id)!
+		return getTask(instanceId())
 	})
 
 	async function sync() {
 		const id = instanceId()
-		const current = task.value
-		if (current.busy) return
-		current.busy = true
-		current.error = ''
-		current.result = null
+		if (task.value.busy) return undefined
 		try {
-			current.result = await hostedSync(id)
-		} catch (error) {
-			current.error = String(error)
-		} finally {
-			current.busy = false
+			return await runHostedSync(id)
+		} catch {
+			return undefined
 		}
 	}