新增: 知识库图召回激活扩散与治理续批

- 阶段2 图召回: list_neighbors_for_seeds(多种子 1-hop 展开,排除种子与 archived)+knowledge_search 结果附 related 段(权重降序限 5)
- 蒸馏合并: knowledge_distill.rs(archived 按 kind 分组 LLM 合订本+merges 边连组)
- V54 knowledge_edges 边表与渐进披露批配套迁移/模型字段
- 提炼链 related_ids 协议+检索补 id 字段

apps/df-miniapp/src/pages/chat/index.vue

@@ -543,7 +543,7 @@ function handleSend(): void {
 }
 
 // —— 工具卡片 + 审批 UI(对齐桌面端 ToolCard,适配 mp-weixin 深色风格) ——
-// 后端推 AiToolCallStarted/AiApprovalRequired/AiDirAuthRequired → useAiChat 收进
+// 后端推 AiToolCallStarted/AiApprovalRequired → useAiChat 收进
 // 消息 m.toolCalls(状态机)+ pendingApprovals。消息内联渲染工具状态 + 待审批按钮,
 // miniapp 成轻量审批终端(单一渲染源,对齐桌面 ToolCard 嵌消息气泡)。
 
@@ -666,11 +666,6 @@ function onReject(tc: AiToolCallInfo): void {
   ai.approve(tc.id, false)
 }
 
-/** 路径授权(path 类:once=本次 / always=永久 / deny=拒绝) */
-function onAuthorize(tc: AiToolCallInfo, decision: 'once' | 'always' | 'deny'): void {
-  ai.authorizeDir(tc.id, decision)
-}
-
 /** 连接状态中文文案(F21:裸枚举字符串 disconnected/connecting 不可读) */
 const STATUS_TEXT: Record<string, string> = {
   connecting: '连接中…',
@@ -782,23 +777,14 @@ function tokenInOf(t: TokenUsage): number {
             <text class="tool-arg-val">{{ a.val }}</text>
           </view>
         </view>
-        <view v-if="p.kind === 'path' && p.dir" class="tool-dir">
-          <text>📁 {{ p.dir }}</text>
-        </view>
         <view v-if="p.reason" class="tool-reason">
           <text>⚠ {{ p.reason }}</text>
         </view>
-        <!-- risk 类:批准/拒绝 -->
-        <view v-if="p.kind !== 'path'" class="approval-actions">
+        <!-- 批准/拒绝 -->
+        <view class="approval-actions">
           <button class="approval-btn approve" size="mini" @tap="onApprove(p)">批准</button>
           <button class="approval-btn reject" size="mini" @tap="onReject(p)">拒绝</button>
         </view>
-        <!-- path 类:本次/永久/拒绝 -->
-        <view v-else class="approval-actions">
-          <button class="approval-btn approve" size="mini" @tap="onAuthorize(p, 'once')">本次</button>
-          <button class="approval-btn always" size="mini" @tap="onAuthorize(p, 'always')">永久</button>
-          <button class="approval-btn reject" size="mini" @tap="onAuthorize(p, 'deny')">拒绝</button>
-        </view>
       </view>
     </view>
 
@@ -859,10 +845,6 @@ function tokenInOf(t: TokenUsage): number {
                 <text class="tool-arg-val">{{ a.val }}</text>
               </view>
             </view>
-            <!-- path 授权待授权目录 -->
-            <view v-if="tc.kind === 'path' && tc.status === 'pending_approval' && tc.dir" class="tool-dir">
-              <text>📁 {{ tc.dir }}</text>
-            </view>
             <!-- 风险说明 -->
             <view v-if="tc.reason" class="tool-reason">
               <text>⚠ {{ tc.reason }}</text>
@@ -1494,13 +1476,6 @@ function tokenInOf(t: TokenUsage): number {
   flex: 1;
   word-break: break-all; /* 工具参数值(路径/长字符串)断行防撑开 */
 }
-.tool-dir {
-  margin-top: 4px;
-}
-.tool-dir text {
-  color: #6bd99a;
-  font-size: 12px;
-}
 .tool-reason {
   margin-top: 6px;
   padding: 4px 6px;