新增: AI Chat多项增强(审批去重/编辑重发/导出/实体引用/会话置顶搜索)+任务推进链df-nodes落地

src/composables/ai/useAiConversations.ts

@@ -67,7 +67,9 @@ export async function switchConversation(id: string) {
     }
 
     state.messages = rawMsgs
-      .filter((m: any) => m.role !== 'tool')
+      // 过滤 tool 消息 + truncated 软删消息(UX-09:编辑某条 user 后其后消息标 truncated,
+      // 保留 DB 可追溯但从视图移除;前端无 status 字段故按原始 JSON 字段过滤)
+      .filter((m: any) => m.role !== 'tool' && m.status !== 'truncated')
       .map((m: any, i: number) => ({
         id: `loaded-${i}`,
         role: m.role,
@@ -170,6 +172,15 @@ async function archiveConversation(id: string, archived: boolean) {
   notifyConversationChanged()
 }
 
+/** 置顶/取消置顶(后端 + 本地侧栏排序同步;UX-17) */
+async function setPinnedConversation(id: string, pinned: boolean) {
+  await aiApi.setPinnedConversation(id, pinned)
+  // 本地同步置顶态(排序 computed 读 pinned,立即重排)
+  const conv = state.conversations.find(c => c.id === id)
+  if (conv) conv.pinned = pinned
+  notifyConversationChanged()
+}
+
 /** 折叠/展开归档分组 */
 function toggleArchivedFold() {
   state.archivedCollapsed = !state.archivedCollapsed
@@ -190,6 +201,7 @@ export function useAiConversations() {
     deleteConversation,
     renameConversation,
     archiveConversation,
+    setPinnedConversation,
     toggleArchivedFold,
     toggleSidebar,
   }