refactor: 整理项目配置与代码，更新文档

1.  将turbo.json中的pipeline重命名为tasks
2.  修复Vue模板中小于号转义问题，清理冗余代码与样式
3.  更新README文档，补充后端启动步骤，移除旧贡献指南
4.  更新前端包的rollup依赖版本与包名

apps/web/src/components/VideoDetection.vue

@@ -41,7 +41,7 @@
                     <ul style="margin: 8px 0; padding-left: 16px;">
                       <li>≥0.8：高置信度（绿色）- 模型非常确定</li>
                       <li>0.6-0.8：中等置信度（黄色）- 模型比较确定</li>
-                      <li><0.6：低置信度（红色）- 模型不太确定</li>
+                      <li>&lt;0.6：低置信度（红色）- 模型不太确定</li>
                     </ul>
                     <p><strong>阈值作用：</strong></p>
                     <p>低于此值的检测结果会被过滤掉</p>
@@ -95,7 +95,6 @@
             />
             <div class="slider-value">{{ config.iou.toFixed(2) }}</div>
           </el-form-item>
-
         </el-form>
       </el-card>
     </div>
@@ -264,11 +263,9 @@ import { ref, computed, onUnmounted } from 'vue'
 import { ElMessage } from 'element-plus'
 import {
   VideoCamera,
-  Document,
   Setting,
   VideoPlay,
   VideoPause,
-  CircleCheck,
   View,
   DataLine,
   List,
@@ -636,20 +633,6 @@ onUnmounted(() => {
   color: #409eff;
 }
 
-/* 摄像头状态 */
-.camera-status {
-  text-align: center;
-  margin-top: 16px;
-}
-
-.camera-status :deep(.el-tag) {
-  padding: 8px 16px;
-  font-size: 14px;
-  display: inline-flex;
-  align-items: center;
-  gap: 6px;
-}
-
 /* 视频展示区域 */
 .video-card {
   margin-bottom: 20px;
@@ -795,19 +778,6 @@ onUnmounted(() => {
   color: #606266;
 }
 
-/* 帮助图标样式 */
-.help-icon {
-  margin-left: 6px;
-  font-size: 14px;
-  color: #909399;
-  cursor: pointer;
-  transition: color 0.2s;
-}
-
-.help-icon:hover {
-  color: #409eff;
-}
-
 /* 日志卡片 */
 .logs-card {
   margin-bottom: 20px;
@@ -823,12 +793,6 @@ onUnmounted(() => {
   align-items: center;
 }
 
-.header-left {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-
 .log-count {
   margin-left: 8px;
 }
@@ -911,16 +875,6 @@ onUnmounted(() => {
     aspect-ratio: 4 / 3;
     min-height: 200px;
   }
-
-  .stats-descriptions :deep(.el-descriptions__body) {
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    gap: 8px;
-  }
-
-  .stats-descriptions :deep(.el-descriptions__cell) {
-    padding: 12px;
-  }
 }
 
 @media (max-width: 480px) {