重构: AI流式断线保文StreamResult三分支+重试对齐决策a1,推进链落df-nodes

src/stores/ai.ts

@@ -36,7 +36,7 @@ import type { AiChatEvent, AiConversationSummary, AiMessage, AiProviderConfig, A
 const MESSAGE_CAP = 200
 import { useAiEvents } from '@/composables/ai/useAiEvents'
 import { useAiStream } from '@/composables/ai/useAiStream'
-import { useAiSend } from '@/composables/ai/useAiSend'
+import { useAiSend, initDrainQueueListener } from '@/composables/ai/useAiSend'
 import { useAiConversations } from '@/composables/ai/useAiConversations'
 import { useAiWindow } from '@/composables/ai/useAiWindow'
 import { useAiPanel } from '@/composables/ai/useAiPanel'
@@ -130,6 +130,8 @@ const filteredConversations = computed<AiConversationSummary[] | null>(() => {
  * (composable 内部全部是模块级单例实现,展开的只是引用,无重复实例化开销)。
  */
 export function useAiStore() {
+  // ARC-06: 启动 drain-queue 事件监听(由 useAiEvents AiCompleted 经事件总线触发)
+  void initDrainQueueListener()
   return {
     state,
     filteredConversations,