优化: 所有剩余UI/UX待办一批完成(持久化+AuditLog+解耦+total+原12大改+P2)

持久化(P1-c):新建 usePersistedRef composable,Tasks/AuditLog/ProjectDetail 等接入 localStorage

AuditLog(P1-d):后端 list_tool_executions 加 WHERE 筛选+返 {items,total,has_more},前端对接+长列折叠+筛选持久化

数据源解耦(P1-g):ProjectDetail projectTasks 按 project_id 独立加载 + ChatInput @项目联想独立加载(不读 store.tasks 当前页)

GitChanges(12a):后端 get_module_commits 加 git rev-list --count 返 total,前端显真实总数

原12大改:Dashboard 统计卡压底行(1)/Projects 列表卡片视图(2)/project_event 埋点排序(3)/TaskDetail 重设计(4)/IdeaDetail 重设计(5)/KnowledgeDetail 重设计(6)/界面持久化+侧栏Ctrl+B+审批数字键(7)/ProjectDetail 三栏改两栏(10)

P2打磨:文件浏览器(FileTree去重/FilePreview行号.md Diff/selectedFilePath归位)/settings反馈(假保存/端口校验)/AI会话(try-catch/scrollIntoView)/后端计数(move_queue事件/timeline total/workflow分页/import_batch分块)/杂项(TopBar/ConfirmDialog键盘/CIStatus i18n/ToolResultBody/ModuleNode/ApprovalDialog全选)

src/components/project/ProjectCard.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="project-card" @click="router.push('/projects/' + project.id)">
+  <div class="project-card" :class="{ 'project-card--list': view === 'list' }" @click="router.push('/projects/' + project.id)">
     <div class="card-top">
       <div class="card-title-row">
         <h2 class="card-name">{{ project.name }}</h2>
@@ -10,7 +10,15 @@
       </div>
     </div>
 
-    <p class="card-desc">{{ stripMd(project.description) }}</p>
+    <!-- 描述:max-height + 省略号,展开/收起;list 视图更紧凑(2 行),card 视图宽松(3 行) -->
+    <div class="card-desc-wrap" :class="{ 'is-expanded': descExpanded }">
+      <p ref="descRef" class="card-desc">{{ stripMd(project.description) }}</p>
+      <button
+        v-if="descOverflow"
+        class="card-desc-toggle"
+        @click.stop="descExpanded = !descExpanded"
+      >{{ descExpanded ? $t('common.collapse') : $t('common.expand') }}</button>
+    </div>
 
     <!-- 底部信息 -->
     <div class="card-footer">
@@ -24,7 +32,7 @@
       </div>
       <div class="footer-stat">
         <span class="stat-icon">🕐</span>
-        <span>{{ formatDate(project.updated_at) }}</span>
+        <span>{{ formatDate(project.last_active_at ?? project.updated_at) }}</span>
       </div>
     </div>
 
@@ -38,8 +46,9 @@
 <script setup lang="ts">
 // 项目列表卡片 — 从 Projects.vue 抽出(单卡片渲染 + 导航 + 删除触发)。
 // 依赖均为无副作用纯函数 + 共享常量;删除走 emit 交回父组件处理(confirm 弹层 + store 调用)。
+// view prop:'list'(紧凑,默认)/'card'(宽松);描述 max-height 截断 + 展开/收起。
 import { useRouter } from 'vue-router'
-import { ref, onMounted } from 'vue'
+import { ref, onMounted, watch, nextTick } from 'vue'
 import { formatDate } from '@/utils/time'
 import { parseStack } from '@/utils/project'
 import { stripMd } from '@/utils/markdown'
@@ -47,7 +56,13 @@ import { moduleApi } from '@/api/module'
 import { projectStatusLabel as statusLabel, projectBadgeClass as stageClass } from '@/constants/project'
 import type { ProjectRecord } from '@/api/types'
 
-const props = defineProps<{ project: ProjectRecord }>()
+const props = withDefaults(defineProps<{
+  project: ProjectRecord
+  /** 视图模式:'list'(紧凑,默认)/'card'(宽松);仅影响描述行数阈值与内边距 */
+  view?: 'list' | 'card'
+}>(), {
+  view: 'list',
+})
 const emit = defineEmits<{
   (e: 'delete', project: ProjectRecord): void
 }>()
@@ -61,7 +76,28 @@ onMounted(async () => {
     const list = await moduleApi.listProjectModules(props.project.id)
     moduleCount.value = list.length
   } catch { /* 老项目无工程记录不报错 */ }
+  // DOM 渲染完成后测描述是否溢出(决定是否显示「展开」)
+  await nextTick()
+  measureDesc()
 })
+
+// ── 描述截断/展开 ──
+// descOverflow=true 才渲染「展开/收起」按钮;阈值由 CSS max-height 控制(-webkit-line-clamp),
+// 这里只负责测量实际内容高度是否超出 max-height。
+const descRef = ref<HTMLParagraphElement | null>(null)
+const descOverflow = ref(false)
+const descExpanded = ref(false)
+
+function measureDesc() {
+  const el = descRef.value
+  if (!el) return
+  // scrollHeight > clientHeight 说明被 max-height 截断了
+  descOverflow.value = el.scrollHeight - el.clientHeight > 1
+}
+
+// 描述/视图模式变化后重新测量(描述异步入库或切 view 行数阈值变,按钮显隐需重算)
+watch(() => props.project.description, () => nextTick(measureDesc))
+watch(() => props.view, () => nextTick(measureDesc))
 </script>
 
 <style scoped>
@@ -101,12 +137,47 @@ onMounted(async () => {
 .stage-testing { background: rgba(255,217,61,0.15); color: var(--df-warning); }
 .stage-release { background: rgba(100,255,218,0.15); color: var(--df-success); }
 
+.card-desc-wrap {
+  position: relative;
+  margin-bottom: 16px;
+}
+
 .card-desc {
   font-size: 13px;
   color: var(--df-text-secondary);
   line-height: 1.5;
-  margin-bottom: 16px;
+  margin: 0;
+  /* 默认截断:2 行(list 视图紧凑,单屏多张)。展开态取消截断。 */
+  display: -webkit-box;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  -webkit-line-clamp: 2;
 }
+/* card 视图略宽松:3 行 */
+.project-card--list .card-desc { -webkit-line-clamp: 2; }
+.project-card:not(.project-card--list) .card-desc { -webkit-line-clamp: 3; }
+.card-desc-wrap.is-expanded .card-desc {
+  -webkit-line-clamp: unset;
+  display: block;
+  overflow: visible;
+}
+
+/* 展开/收起按钮:右对齐、低调,避免抢卡片点击 */
+.card-desc-toggle {
+  display: inline-block;
+  margin-top: 4px;
+  padding: 0;
+  background: transparent;
+  border: none;
+  color: var(--df-accent);
+  font-size: 12px;
+  cursor: pointer;
+  line-height: 1.4;
+}
+.card-desc-toggle:hover { text-decoration: underline; }
+
+/* list 视图:更紧凑的内边距,单屏容纳更多卡片 */
+.project-card--list { padding: calc(var(--df-pad-panel) * 0.7); }
 
 .card-footer {
   display: flex;