优化: 前端体验批次(Knowledge持久化+流式缓存失效 + dfnodes节点注册 + delta 50ms合批 + MCP schema必填校验+bind_directory对齐)

src/components/ai/MessageList.vue

@@ -171,6 +171,7 @@ const {
   scheduleStreamParse,
   clearStreamingState,
   cancelPendingRaf,
+  resetStreamCache,
 } = useStreamRenderer({
   saveSelection,
   restoreSelection,
@@ -715,6 +716,8 @@ watch(() => store.state.activeConversationId, () => {
   } else {
     cancelPendingRaf()
   }
+  // 切会话同步清流式块级 memo 缓存(_blockCache),防旧会话已缓存块被新会话命中。
+  resetStreamCache()
 })
 
 // 流式 rAF 清理:组件卸载时若仍有 pending rAF(streaming 中途切走/关窗),取消防泄漏。

src/composables/ai/useStreamRenderer.ts

@@ -207,6 +207,12 @@ export function useStreamRenderer(opts: UseStreamRendererOptions) {
     if (rafId !== null) { cancelAnimationFrame(rafId); rafId = null }
   }
 
+  /// 清空实例级块缓存(内容寻址 Map + LRU)。会话切换/开关变化时调用,
+  /// 防旧会话已缓存块被新会话命中(跨会话内容错乱)。仅清缓存,不动 streamingBlocks。
+  function resetStreamCache(): void {
+    _blockCache.clear()
+  }
+
   return {
     mdReady,
     renderMd,
@@ -216,5 +222,6 @@ export function useStreamRenderer(opts: UseStreamRendererOptions) {
     renderStreamingBlocks,
     clearStreamingState,
     cancelPendingRaf,
+    resetStreamCache,
   }
 }

src/views/Knowledge.vue

@@ -161,6 +161,7 @@ import {
 } from '@/stores/knowledge'
 import { useRendered } from '@/composables/useMarkdown'
 import { useToast } from '@/composables/useToast'
+import { usePersistedRef } from '@/composables/usePersistedRef'
 import { stripMd } from '@/utils/markdown'
 import KnowledgeDetail from '@/components/knowledge/KnowledgeDetail.vue'
 import type { KnowledgeDetailPayload, KnowledgeRecord } from '@/api/types'
@@ -170,38 +171,10 @@ const store = useKnowledgeStore()
 // ⑤ 编辑/审核反馈:成功/失败明确提示(对齐 Settings.vue/Projects.vue useToast 模式)
 const { toast, showToast } = useToast()
 
-// ④ topTab/activeKind/searchQuery 持久化 localStorage(跨刷新保留用户视图态)
-// 仅持久化视图态:不持久化详情选中(id 跨刷新可能已失效)。容错:解析失败/无效值回退默认。
-const LS_KEY = 'kn.view'
-function loadView(): { topTab: 'library' | 'inbox'; activeKind: string; searchQuery: string } {
-  try {
-    const raw = localStorage.getItem(LS_KEY)
-    if (!raw) return { topTab: 'library', activeKind: 'all', searchQuery: '' }
-    const v = JSON.parse(raw)
-    return {
-      topTab: v.topTab === 'inbox' ? 'inbox' : 'library',
-      activeKind: typeof v.activeKind === 'string' ? v.activeKind : 'all',
-      searchQuery: typeof v.searchQuery === 'string' ? v.searchQuery : '',
-    }
-  } catch {
-    return { topTab: 'library', activeKind: 'all', searchQuery: '' }
-  }
-}
-function saveView() {
-  try {
-    localStorage.setItem(LS_KEY, JSON.stringify({
-      topTab: topTab.value,
-      activeKind: activeKind.value,
-      searchQuery: searchQuery.value,
-    }))
-  } catch {
-    /* localStorage 不可用(隐私模式/配额)静默降级,视图态非关键 */
-  }
-}
-const persisted = loadView()
-
-// 顶层 Tab: library(知识库) | inbox(审核收件箱)
-const topTab = ref<'library' | 'inbox'>(persisted.topTab)
+// topTab/activeKind/searchQuery 持久化 localStorage(跨刷新保留用户视图态)
+// 仅持久化视图态:不持久化详情选中(id 跨刷新可能已失效)。usePersistedRef 无类型校验,
+// 解析失败/无效值回退 default,与 Tasks/Ideas 一致。
+const topTab = usePersistedRef<'library' | 'inbox'>('knowledge.topTab', 'library')
 
 const categories = [
   { key: 'all', icon: '📦' },
@@ -211,8 +184,8 @@ const categories = [
 function catLabel(key: string): string {
   return key === 'all' ? t('knowledge.categoryAll') : kindText(key)
 }
-const activeKind = ref(persisted.activeKind)
-const searchQuery = ref(persisted.searchQuery)
+const activeKind = usePersistedRef('knowledge.activeKind', 'all')
+const searchQuery = usePersistedRef('knowledge.searchQuery', '')
 let searchTimer: ReturnType<typeof setTimeout> | null = null
 
 function onSearchInput() {
@@ -246,9 +219,6 @@ function switchTopTab(tab: 'library' | 'inbox') {
   }
 }
 
-// ④ 视图态(topTab/activeKind/searchQuery)持久化:任一变化即写 localStorage
-watch([topTab, activeKind, searchQuery], saveView)
-
 // 关闭错误条
 function clearError() {
   store.clearError()