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/styles/index.css

@@ -0,0 +1,233 @@
+/**
+ * RVW模块样式
+ * 基于原型图 V7 的高保真还原
+ */
+
+/* ==================== 状态标签 ==================== */
+.tag {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  border-radius: 4px;
+  font-size: 11px;
+  font-weight: 600;
+  line-height: 1.5;
+  border: 1px solid transparent;
+}
+
+.tag-blue {
+  background: #eff6ff;
+  color: #1d4ed8;
+  border-color: #dbeafe;
+}
+
+.tag-purple {
+  background: #f5f3ff;
+  color: #6d28d9;
+  border-color: #ede9fe;
+}
+
+.tag-green {
+  background: #f0fdf4;
+  color: #15803d;
+  border-color: #dcfce7;
+}
+
+.tag-amber {
+  background: #fffbeb;
+  color: #b45309;
+  border-color: #fef3c7;
+}
+
+.tag-red {
+  background: #fef2f2;
+  color: #dc2626;
+  border-color: #fecaca;
+}
+
+.tag-gray {
+  background: #f8fafc;
+  color: #64748b;
+  border-color: #e2e8f0;
+}
+
+/* ==================== 筛选 Chips ==================== */
+.filter-chip {
+  padding: 4px 12px;
+  border-radius: 9999px;
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+  border: 1px solid transparent;
+  color: #64748b;
+  background: transparent;
+}
+
+.filter-chip:hover {
+  background-color: #f1f5f9;
+  color: #0f172a;
+}
+
+.filter-chip.active {
+  background-color: #eff6ff;
+  color: #2563eb;
+  border-color: #bfdbfe;
+  font-weight: 600;
+}
+
+/* ==================== 侧边栏 Tooltip ==================== */
+.sidebar-tooltip {
+  position: absolute;
+  left: 100%;
+  top: 50%;
+  transform: translateY(-50%);
+  margin-left: 12px;
+  background: #1e293b;
+  color: white;
+  padding: 6px 10px;
+  border-radius: 6px;
+  font-size: 12px;
+  white-space: nowrap;
+  z-index: 50;
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+  opacity: 0;
+  visibility: hidden;
+  transition: opacity 0.2s, visibility 0.2s;
+  pointer-events: none;
+}
+
+.sidebar-btn:hover .sidebar-tooltip {
+  opacity: 1;
+  visibility: visible;
+}
+
+/* ==================== 动画 ==================== */
+.fade-in {
+  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
+}
+
+.slide-up {
+  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+/* ==================== 表格悬停效果 ==================== */
+.task-table tbody tr {
+  transition: background-color 0.15s ease;
+}
+
+.task-table tbody tr:hover {
+  background-color: #f8fafc;
+}
+
+.task-table tbody tr.selected {
+  background-color: #eff6ff;
+}
+
+/* ==================== 评分环 ==================== */
+.score-circle {
+  width: 80px;
+  height: 80px;
+  border-radius: 50%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+}
+
+.score-circle.pass {
+  border-color: #22c55e;
+  background: #f0fdf4;
+  color: #15803d;
+}
+
+.score-circle.warn {
+  border-color: #f59e0b;
+  background: #fffbeb;
+  color: #b45309;
+}
+
+.score-circle.fail {
+  border-color: #ef4444;
+  background: #fef2f2;
+  color: #dc2626;
+}
+
+/* ==================== 按钮样式 ==================== */
+.btn-primary {
+  background-color: #4f46e5;
+  color: white;
+  font-weight: 600;
+  padding: 8px 16px;
+  border-radius: 8px;
+  transition: all 0.2s;
+  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
+}
+
+.btn-primary:hover {
+  background-color: #4338ca;
+  transform: translateY(-1px);
+}
+
+.btn-secondary {
+  background-color: white;
+  color: #374151;
+  font-weight: 500;
+  padding: 8px 16px;
+  border-radius: 8px;
+  border: 1px solid #d1d5db;
+  transition: all 0.2s;
+}
+
+.btn-secondary:hover {
+  background-color: #f9fafb;
+  border-color: #9ca3af;
+}
+
+/* ==================== 滚动条美化 ==================== */
+.overflow-auto::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+.overflow-auto::-webkit-scrollbar-track {
+  background: #f1f5f9;
+  border-radius: 4px;
+}
+
+.overflow-auto::-webkit-scrollbar-thumb {
+  background: #cbd5e1;
+  border-radius: 4px;
+}
+
+.overflow-auto::-webkit-scrollbar-thumb:hover {
+  background: #94a3b8;
+}
+
+/* ==================== 响应式调整 ==================== */
+@media (max-width: 1024px) {
+  .sidebar-tooltip {
+    display: none;
+  }
+}
+