feat(V0.2): 视图切换移入项目栏 —— 紧凑段控 + 按钮收纳 (按设计稿)

- 项目栏一行: 项目名(省略) + 列表/看板紧凑段控(vseg 26px) + 已归档/管理/+新增
- 「项目管理」文案收窄为「管理」, mini-btn 内边距收窄
- 移除原 .pv-head 大段控; 视图记忆逻辑不变 (T-VW-02/03)

src/pages/task/ProjectView.jsx

@@ -242,20 +242,18 @@ export default function ProjectView({ projectId, onProjectChanged, onProjectExit
     <div className="pv-embed">
       <div className="navbar-sub task-projbar">
         <span className="title">{project.name}</span>
+        <div className="vseg">
+          <div className={mode === 'list' ? 'on' : ''} onClick={() => switchMode('list')}>列表</div>
+          <div className={mode === 'board' ? 'on' : ''} onClick={() => switchMode('board')}>看板</div>
+        </div>
         <div className="right">
           <span className="mini-btn" onClick={() => setArchivedOpen(true)}>已归档</span>
-          <span className="mini-btn" onClick={() => setShowManage(true)}>项目管理</span>
+          <span className="mini-btn" onClick={() => setShowManage(true)}>管理</span>
           <span className="mini-btn solid" onClick={() => setAdding((v) => !v)}>+ 新增</span>
         </div>
       </div>
 
       <div className={`task-content${mode === 'board' ? ' is-board' : ''}`}>
-        <div className="pv-head">
-          <div className="seg">
-            <div className={mode === 'list' ? 'on' : ''} onClick={() => switchMode('list')}>列表</div>
-            <div className={mode === 'board' ? 'on' : ''} onClick={() => switchMode('board')}>看板</div>
-          </div>
-        </div>
 
         {adding && (
           <div className="quick-add">