feat: 扩展 Knowledge 页面功能

- 添加知识库详情和编辑功能
- 新增 chunking 配置选项
- 优化知识库列表展示

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

web/src/views/knowledge/knowledge.css

@@ -191,7 +191,7 @@
 /* 创建内容布局 */
 .create-layout {
   display: flex;
-  min-height: 560px;
+  min-height: 600px;
 }
 
 /* 左侧 sidebar */
@@ -199,17 +199,17 @@
   width: 280px;
   background: linear-gradient(180deg, #161b22 0%, #0d1117 100%);
   border-right: 1px solid #1e2832;
-  padding: 20px 12px;
+  padding: 16px 12px;
   display: flex;
   flex-direction: column;
-  gap: 8px;
+  gap: 6px;
 }
 
 .menu-item {
   display: flex;
   align-items: center;
   gap: 14px;
-  padding: 16px;
+  padding: 14px;
   border-radius: 12px;
   cursor: pointer;
   transition: all 0.25s ease;
@@ -227,16 +227,17 @@
 }
 
 .menu-icon {
-  width: 42px;
-  height: 42px;
-  border-radius: 12px;
+  width: 36px;
+  height: 36px;
+  border-radius: 10px;
   background-color: #1e2832;
   display: flex;
   align-items: center;
   justify-content: center;
-  font-size: 16px;
+  font-size: 14px;
   color: #5f6368;
   transition: all 0.3s ease;
+  flex-shrink: 0;
 }
 
 .menu-item.active .menu-icon {
@@ -253,10 +254,11 @@
 }
 
 .menu-title {
-  font-size: 15px;
+  font-size: 14px;
   font-weight: 600;
   color: #e8eaed;
   transition: color 0.2s;
+  white-space: nowrap;
 }
 
 .menu-item.active .menu-title {
@@ -409,6 +411,104 @@
   color: #36bffa;
 }
 
+/* Parsing 配置样式 */
+.parsing-section {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.parsing-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  background-color: #161b22;
+  border-radius: 8px;
+  border: 1px solid #2d3640;
+}
+
+.parsing-label {
+  font-size: 14px;
+  color: #e8eaed;
+  font-weight: 500;
+}
+
+.parsing-select {
+  width: 200px;
+}
+
+.parsing-select :deep(.el-input__wrapper) {
+  background-color: #1e2832;
+  border-color: #2d3640;
+}
+
+.parsing-input {
+  width: 200px;
+}
+
+.parsing-input :deep(.el-input__wrapper) {
+  background-color: #1e2832;
+  border-color: #2d3640;
+}
+
+/* Switch 样式 */
+:deep(.el-switch.is-checked .el-switch__core) {
+  background-color: #36bffa;
+  border-color: #36bffa;
+}
+
+.parsing-divider {
+  height: 1px;
+  background-color: #2d3640;
+  margin: 8px 0;
+}
+
+/* Post-processing 列表 */
+.postprocess-list {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.postprocess-item {
+  display: flex;
+  align-items: flex-start;
+  gap: 14px;
+  padding: 14px 16px;
+  background-color: #161b22;
+  border-radius: 8px;
+  border: 1px solid #2d3640;
+  transition: all 0.2s;
+}
+
+.postprocess-item.active {
+  border-color: rgba(54, 191, 250, 0.3);
+  background: linear-gradient(135deg, rgba(54, 191, 250, 0.05) 0%, transparent 100%);
+}
+
+.postprocess-toggle {
+  flex-shrink: 0;
+  padding-top: 2px;
+}
+
+.postprocess-info {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.postprocess-title {
+  font-size: 14px;
+  color: #e8eaed;
+  font-weight: 500;
+}
+
+.postprocess-desc {
+  font-size: 12px;
+  color: #5f6368;
+}
+
 /* 底部按钮区域 */
 .dialog-footer {
   display: flex;