fix(desktop): component cleanup + dead code removal + DeerFlow ai-elements

- ChatArea: DeerFlow ai-elements annotations for accessibility
- Conversation: remove unused Context, simplify message rendering
- Delete dead modules: audit-logger.ts, gateway-reconnect.ts
- Replace console.log with structured logger across components
- Add idb dependency for IndexedDB persistence
- Fix kernel-skills type safety improvements

desktop/src/components/MemoryGraph.tsx

@@ -33,7 +33,7 @@ import {
   type GraphEdge,
   type MemoryType,
 } from '../store/memoryGraphStore';
-import { useChatStore } from '../store/chatStore';
+import { useConversationStore } from '../store/chat/conversationStore';
 import { cardHover, defaultTransition } from '../lib/animations';
 
 // Mark as intentionally unused for future use
@@ -157,7 +157,7 @@ export function MemoryGraph({ className = '' }: MemoryGraphProps) {
   const [showFilters, setShowFilters] = useState(false);
   const [searchQuery, setSearchQuery] = useState('');
 
-  const { currentAgent } = useChatStore();
+  const currentAgent = useConversationStore((s) => s.currentAgent);
   const agentId = currentAgent?.id || 'zclaw-main';
 
   const {