feat(ui): add ButlerPanel — pain points, proposals, memory insights

- Add Butler types (PainPoint, Proposal, DelegationResult) to viking-client.ts
- Add butler API functions: getButlerInsights, getButlerProposals,
  recordButlerPainPoint, generateButlerSolution, updateButlerProposalStatus,
  butlerDelegateTask
- Create ButlerPanel with three sections:
  - InsightsSection: pain point cards with evidence chain, severity, confidence
  - ProposalsSection: solution cards with accept/reject actions
  - MemorySection: Viking memory entries per agent
- Create useButlerInsights hook for data fetching
- Add "管家" tab to RightPanel with ConciergeBell icon

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

desktop/src/components/RightPanel.tsx

@@ -12,7 +12,9 @@ import {
   MessageSquare, Cpu, FileText, User, Activity, Brain,
   Shield, Sparkles, List, Network, Dna, History,
   ChevronDown, ChevronUp, RotateCcw, AlertCircle, Loader2,
+  ConciergeBell,
 } from 'lucide-react';
+import { ButlerPanel } from './ButlerPanel';
 
 // === Helper to extract code blocks from markdown content ===
 function extractCodeBlocksFromContent(content: string): CodeBlock[] {
@@ -106,7 +108,7 @@ export function RightPanel() {
   const { messages, setCurrentAgent } = useChatStore();
   const currentModel = useConversationStore((s) => s.currentModel);
   const currentAgent = useConversationStore((s) => s.currentAgent);
-  const [activeTab, setActiveTab] = useState<'status' | 'files' | 'agent' | 'memory' | 'reflection' | 'autonomy' | 'evolution'>('status');
+  const [activeTab, setActiveTab] = useState<'status' | 'files' | 'agent' | 'memory' | 'reflection' | 'autonomy' | 'evolution' | 'butler'>('status');
   const [memoryViewMode, setMemoryViewMode] = useState<'list' | 'graph'>('list');
   const [isEditingAgent, setIsEditingAgent] = useState(false);
   const [agentDraft, setAgentDraft] = useState<AgentDraft | null>(null);
@@ -316,6 +318,12 @@ export function RightPanel() {
             icon={<Dna className="w-4 h-4" />}
             label="演化"
           />
+          <TabButton
+            active={activeTab === 'butler'}
+            onClick={() => setActiveTab('butler')}
+            icon={<ConciergeBell className="w-4 h-4" />}
+            label="管家"
+          />
         </div>
       </div>
 
@@ -377,7 +385,9 @@ export function RightPanel() {
           <AutonomyConfig />
         ) : activeTab === 'evolution' ? (
           <IdentityChangeProposalPanel />
-        ) : activeTab === 'agent' ? (
+        ) : activeTab === 'butler' ? (
+          <ButlerPanel agentId={currentAgent?.id} />
+        ) : activeTab === 'agent'? (
           <div className="space-y-4">
             <motion.div
               whileHover={cardHover}