fix(v13): V13 审计 6 项修复 — TrajectoryRecorder注册 + industryStore接入 + 知识搜索 + webhook标注 + structured UI + persistent注释

FIX-01: TrajectoryRecorderMiddleware 注册到 create_middleware_chain() (@650优先级)
FIX-02: industryStore 接入 ButlerPanel 行业专长展示 + 自动拉取
FIX-03: 桌面端知识库搜索 saas-knowledge mixin + VikingPanel SaaS KB UI
FIX-04: webhook 迁移标注 deprecated + 添加 down migration 注释
FIX-05: Admin Knowledge 添加结构化数据 Tab (CRUD + 行浏览)
FIX-06: PersistentMemoryStore 精化 dead_code 标注 (完整迁移留后续)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

desktop/src/components/VikingPanel.tsx

@@ -13,6 +13,7 @@ import {
   FileText,
   Database,
   Sparkles,
+  BookOpen,
 } from 'lucide-react';
 import {
   getVikingStatus,
@@ -22,6 +23,9 @@ import {
   storeWithSummaries,
 } from '../lib/viking-client';
 import type { VikingStatus, VikingFindResult } from '../lib/viking-client';
+import { saasClient } from '../lib/saas-client';
+import type { KnowledgeSearchResult } from '../lib/saas-client';
+import { useSaaSStore } from '../store/saasStore';
 
 export function VikingPanel() {
   const [status, setStatus] = useState<VikingStatus | null>(null);
@@ -38,6 +42,12 @@ export function VikingPanel() {
   const [summaryUri, setSummaryUri] = useState('');
   const [summaryContent, setSummaryContent] = useState('');
 
+  // SaaS knowledge search state
+  const [kbQuery, setKbQuery] = useState('');
+  const [kbResults, setKbResults] = useState<KnowledgeSearchResult[]>([]);
+  const [isKbSearching, setIsKbSearching] = useState(false);
+  const saasReady = useSaaSStore((s) => s.isLoggedIn);
+
   const loadStatus = async () => {
     setIsLoading(true);
     setMessage(null);
@@ -88,6 +98,19 @@ export function VikingPanel() {
     }
   };
 
+  const handleKbSearch = async () => {
+    if (!kbQuery.trim()) return;
+    setIsKbSearching(true);
+    try {
+      const results = await saasClient.searchKnowledge(kbQuery, { limit: 10 });
+      setKbResults(results);
+    } catch {
+      setKbResults([]);
+    } finally {
+      setIsKbSearching(false);
+    }
+  };
+
   const handleExpandL2 = async (uri: string) => {
     if (expandedUri === uri) {
       setExpandedUri(null);
@@ -299,6 +322,68 @@ export function VikingPanel() {
         </div>
       )}
 
+      {/* SaaS Knowledge Base Search */}
+      {saasReady && (
+        <div className="bg-white dark:bg-gray-800 rounded-xl border border-gray-200 dark:border-gray-700 p-4 mb-6 shadow-sm">
+          <h3 className="text-sm font-medium text-gray-900 dark:text-white mb-3 flex items-center gap-2">
+            <BookOpen className="w-4 h-4 text-indigo-500" />
+            知识库搜索
+          </h3>
+          <p className="text-xs text-gray-500 dark:text-gray-400 mb-3">
+            搜索 SaaS 端共享知识库
+          </p>
+          <div className="flex gap-2 mb-3">
+            <input
+              type="text"
+              value={kbQuery}
+              onChange={(e) => setKbQuery(e.target.value)}
+              onKeyDown={(e) => e.key === 'Enter' && handleKbSearch()}
+              placeholder="搜索知识库..."
+              className="flex-1 px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-900 text-gray-900 dark:text-white text-sm focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
+            />
+            <button
+              onClick={handleKbSearch}
+              disabled={isKbSearching || !kbQuery.trim()}
+              className="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 disabled:opacity-50 flex items-center gap-2 text-sm"
+            >
+              {isKbSearching ? (
+                <RefreshCw className="w-4 h-4 animate-spin" />
+              ) : (
+                <Search className="w-4 h-4" />
+              )}
+              搜索
+            </button>
+          </div>
+          {kbResults.length > 0 && (
+            <div className="space-y-2">
+              {kbResults.map((r) => (
+                <div key={r.chunk_id} className="p-2.5 rounded-lg border border-gray-200 dark:border-gray-700">
+                  <div className="flex items-center gap-2 mb-1">
+                    <span className="text-xs font-medium text-gray-800 dark:text-gray-200 truncate">
+                      {r.item_title}
+                    </span>
+                    {r.category_name && (
+                      <span className="text-[10px] px-1.5 py-0.5 rounded bg-purple-50 dark:bg-purple-900/20 text-purple-600 dark:text-purple-400">
+                        {r.category_name}
+                      </span>
+                    )}
+                    <span className="text-[10px] text-blue-500">{Math.round(r.score * 100)}%</span>
+                  </div>
+                  <p className="text-[11px] text-gray-600 dark:text-gray-300 line-clamp-2">{r.content}</p>
+                  {r.keywords.length > 0 && (
+                    <div className="flex flex-wrap gap-1 mt-1">
+                      {r.keywords.slice(0, 5).map((kw) => (
+                        <span key={kw} className="text-[10px] px-1 py-0.5 rounded bg-cyan-50 dark:bg-cyan-900/20 text-cyan-600 dark:text-cyan-400">{kw}</span>
+                      ))}
+                    </div>
+                  )}
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+      )}
+
       {/* Summary Generation */}
       {status?.available && (
         <div className="bg-white dark:bg-gray-800 rounded-xl border border-gray-200 dark:border-gray-700 p-4 mb-6 shadow-sm">