feat(rvw): Complete Phase 4-5 - Bug fixes and Word export

Summary:
- Fix methodology score display issue in task list (show score instead of 'warn')
- Add methodology_score field to database schema
- Fix report display when only methodology agent is selected
- Implement Word document export using docx library
- Update documentation to v3.0/v3.1

Backend changes:
- Add methodologyScore to Prisma schema and TaskSummary type
- Update reviewWorker to save methodologyScore
- Update getTaskList to return methodologyScore

Frontend changes:
- Install docx and file-saver libraries
- Implement handleExportReport with Word generation
- Fix activeTab auto-selection based on available data
- Add proper imports for docx components

Documentation:
- Update RVW module status to 90% (Phase 1-5 complete)
- Update system status document to v3.0

Tested: All review workflows verified, Word export functional

frontend-v2/src/modules/rvw/components/AgentModal.tsx

@@ -0,0 +1,123 @@
+/**
+ * 智能体选择弹窗
+ */
+import { useState } from 'react';
+import { PlayCircle, X } from 'lucide-react';
+import type { AgentType } from '../types';
+
+interface AgentModalProps {
+  visible: boolean;
+  taskCount: number;
+  onClose: () => void;
+  onConfirm: (agents: AgentType[]) => void;
+}
+
+export default function AgentModal({ visible, taskCount, onClose, onConfirm }: AgentModalProps) {
+  const [selectedAgents, setSelectedAgents] = useState<AgentType[]>(['editorial']);
+
+  const toggleAgent = (agent: AgentType) => {
+    if (selectedAgents.includes(agent)) {
+      // 至少保留一个
+      if (selectedAgents.length > 1) {
+        setSelectedAgents(selectedAgents.filter(a => a !== agent));
+      }
+    } else {
+      setSelectedAgents([...selectedAgents, agent]);
+    }
+  };
+
+  const handleConfirm = () => {
+    // 只调用onConfirm，让调用方控制关闭时机
+    onConfirm(selectedAgents);
+  };
+
+  if (!visible) return null;
+
+  return (
+    <div className="fixed inset-0 bg-slate-900/50 z-50 flex items-center justify-center backdrop-blur-sm">
+      <div className="bg-white rounded-2xl shadow-2xl w-[400px] overflow-hidden transform transition-all scale-100 fade-in">
+        {/* 头部 */}
+        <div className="bg-slate-900 p-5 text-white flex items-center justify-between">
+          <h3 className="font-bold text-lg flex items-center gap-2">
+            <PlayCircle className="w-5 h-5 text-indigo-400" />
+            发起智能审稿
+          </h3>
+          <button onClick={onClose} className="text-slate-400 hover:text-white transition-colors">
+            <X className="w-5 h-5" />
+          </button>
+        </div>
+        
+        {/* 内容 */}
+        <div className="p-6 space-y-4">
+          <p className="text-sm text-slate-600 mb-4">
+            {taskCount > 1 ? `已选择 ${taskCount} 个稿件，请选择审稿维度：` : '请选择审稿维度：'}
+          </p>
+          
+          {/* 规范性智能体 */}
+          <label 
+            className={`flex items-start gap-3 p-4 border rounded-xl cursor-pointer transition-all ${
+              selectedAgents.includes('editorial') 
+                ? 'border-indigo-500 bg-indigo-50' 
+                : 'border-gray-200 hover:border-indigo-300'
+            }`}
+          >
+            <input 
+              type="checkbox"
+              checked={selectedAgents.includes('editorial')}
+              onChange={() => toggleAgent('editorial')}
+              className="mt-1 w-4 h-4 text-indigo-600 rounded border-gray-300 focus:ring-indigo-500"
+            />
+            <div className="flex-1">
+              <span className="block font-bold text-slate-800 text-sm">稿约规范性智能体</span>
+              <span className="block text-xs text-slate-500 mt-0.5">
+                检查格式、参考文献、图片、伦理声明等11项标准
+              </span>
+            </div>
+            <span className="tag tag-blue">快速</span>
+          </label>
+          
+          {/* 方法学智能体 */}
+          <label 
+            className={`flex items-start gap-3 p-4 border rounded-xl cursor-pointer transition-all ${
+              selectedAgents.includes('methodology')
+                ? 'border-indigo-500 bg-indigo-50'
+                : 'border-gray-200 hover:border-indigo-300'
+            }`}
+          >
+            <input 
+              type="checkbox"
+              checked={selectedAgents.includes('methodology')}
+              onChange={() => toggleAgent('methodology')}
+              className="mt-1 w-4 h-4 text-indigo-600 rounded border-gray-300 focus:ring-indigo-500"
+            />
+            <div className="flex-1">
+              <span className="block font-bold text-slate-800 text-sm">方法学统计智能体</span>
+              <span className="block text-xs text-slate-500 mt-0.5">
+                深度推理检验方法、统计逻辑、研究设计等20项评估
+              </span>
+            </div>
+            <span className="tag tag-purple">深度</span>
+          </label>
+        </div>
+        
+        {/* 底部按钮 */}
+        <div className="p-4 bg-slate-50 flex justify-end gap-3 border-t border-gray-100">
+          <button 
+            onClick={onClose}
+            className="px-4 py-2 text-sm text-slate-600 hover:bg-gray-200 rounded-lg transition-colors"
+          >
+            取消
+          </button>
+          <button 
+            onClick={handleConfirm}
+            disabled={selectedAgents.length === 0}
+            className="px-4 py-2 bg-indigo-600 hover:bg-indigo-700 text-white text-sm font-bold rounded-lg shadow-sm transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+          >
+            立即运行
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
+