docs(claude): restructure documentation management and add feedback system

- Restructure §8 from "文档沉淀规则" to "文档管理规则" with 4 subsections
  - Add docs/ structure with features/ and knowledge-base/ directories
  - Add feature documentation template with 7 sections (概述/设计初衷/技术设计/预期作用/实际效果/演化路线/头脑风暴)
  - Add feature update trigger matrix (新增/修改/完成/问题/反馈)
  - Add documentation quality checklist
- Add §16

desktop/src/components/RightPanel.tsx

@@ -1,13 +1,14 @@
 import { useEffect, useMemo, useState } from 'react';
-import { motion } from 'framer-motion';
+import { motion, AnimatePresence } from 'framer-motion';
 import { getStoredGatewayUrl } from '../lib/gateway-client';
 import { useGatewayStore, type PluginStatus } from '../store/gatewayStore';
 import { toChatAgent, useChatStore } from '../store/chatStore';
 import {
   Wifi, WifiOff, Bot, BarChart3, Plug, RefreshCw,
-  MessageSquare, Cpu, FileText, User, Activity, FileCode, Brain
+  MessageSquare, Cpu, FileText, User, Activity, FileCode, Brain, MessageCircle
 } from 'lucide-react';
 import { MemoryPanel } from './MemoryPanel';
+import { FeedbackModal, FeedbackHistory } from './Feedback';
 import { cardHover, defaultTransition } from '../lib/animations';
 import { Button, Badge, EmptyState } from './ui';
 
@@ -17,7 +18,8 @@ export function RightPanel() {
     connect, loadClones, loadUsageStats, loadPluginStatus, workspaceInfo, quickConfig, updateClone,
   } = useGatewayStore();
   const { messages, currentModel, currentAgent, setCurrentAgent } = useChatStore();
-  const [activeTab, setActiveTab] = useState<'status' | 'files' | 'agent' | 'memory'>('status');
+  const [activeTab, setActiveTab] = useState<'status' | 'files' | 'agent' | 'memory' | 'feedback'>('status');
+  const [isFeedbackModalOpen, setIsFeedbackModalOpen] = useState(false);
   const [isEditingAgent, setIsEditingAgent] = useState(false);
   const [agentDraft, setAgentDraft] = useState<AgentDraft | null>(null);
 
@@ -152,6 +154,18 @@ export function RightPanel() {
           >
             <Brain className="w-4 h-4" />
           </Button>
+          <Button
+            variant={activeTab === 'feedback' ? 'secondary' : 'ghost'}
+            size="sm"
+            onClick={() => setActiveTab('feedback')}
+            className="flex items-center gap-1 text-xs px-2 py-1"
+            title="Feedback"
+            aria-label="Feedback"
+            aria-selected={activeTab === 'feedback'}
+            role="tab"
+          >
+            <MessageCircle className="w-4 h-4" />
+          </Button>
         </div>
       </div>
 
@@ -382,6 +396,29 @@ export function RightPanel() {
               )}
             </motion.div>
           </div>
+        ) : activeTab === 'feedback' ? (
+          <div className="space-y-4">
+            <motion.div
+              whileHover={cardHover}
+              transition={defaultTransition}
+              className="rounded-xl border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800 p-4 shadow-sm"
+            >
+              <div className="flex items-center justify-between mb-3">
+                <h3 className="text-sm font-semibold text-gray-900 dark:text-gray-100 flex items-center gap-2">
+                  <MessageCircle className="w-4 h-4" />
+                  User Feedback
+                </h3>
+                <Button
+                  variant="primary"
+                  size="sm"
+                  onClick={() => setIsFeedbackModalOpen(true)}
+                >
+                  New Feedback
+                </Button>
+              </div>
+              <FeedbackHistory />
+            </motion.div>
+          </div>
         ) : (
           <>
         {/* Gateway 连接状态 */}
@@ -592,6 +629,13 @@ export function RightPanel() {
           </>
         )}
       </div>
+
+      {/* Feedback Modal */}
+      <AnimatePresence>
+        {isFeedbackModalOpen && (
+          <FeedbackModal onClose={() => setIsFeedbackModalOpen(false)} />
+        )}
+      </AnimatePresence>
     </aside>
   );
 }