优化: 会话入口与对话交互打磨

- 完成卡点开子代理轨迹浮层,任务抽屉关联会话跳转
- 提及片段编辑差分三向判定,不再错位
- 长回复折叠完成瞬间锚定消息顶,视口不跳
- 空编辑/技能无匹配/回填覆盖草稿均有提示确认
- 队列编辑态切会话重置,刷新快捷键不再误触
- git 变更面板去重缓存,项目卡骨架与溢出重测

src/components/task/TaskDrawer.vue

@@ -65,6 +65,19 @@
               <router-link :to="`/ideas/${task.idea_id}`" class="project-link" @click="$emit('close')">{{ ideaTitle }}</router-link>
             </span>
           </div>
+          <!-- S4 关联会话:后端审计表反查的主会话,无关联时入口隐藏;点击关抽屉 + 跳会话 -->
+          <div v-if="taskConversations.length > 0" class="info-item">
+            <span class="label">{{ $t('taskDetail.relatedConversations') }}</span>
+            <span class="value conv-links">
+              <a
+                v-for="c in taskConversations"
+                :key="c.conversation_id"
+                class="conv-link"
+                :title="`${c.tool_name} · ${formatDate(c.requested_at)}`"
+                @click.prevent="handleOpenConversation(c.conversation_id)"
+              >{{ c.title || c.conversation_id }}</a>
+            </span>
+          </div>
           <div v-if="task.branch_name" class="info-item">
             <span class="label">{{ $t('taskDetail.branch') }}</span>
             <span class="value">
@@ -169,10 +182,11 @@ import { ref, computed, watch } from 'vue'
 import { useRouter } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { Drawer } from '@arco-design/web-vue'
-import { taskApi, projectApi, ideaApi } from '@/api'
+import { taskApi, projectApi, ideaApi, aiApi } from '@/api'
 import { useProjectStore } from '@/stores/project'
 import { formatDate } from '@/utils/time'
 import { useRendered } from '@/composables/useMarkdown'
+import { useAiConversations } from '@/composables/ai/useAiConversations'
 import { taskStatusLabel, taskStatusClass, priorityLabel, priorityClass, ADVANCE_MAP } from '@/constants/project'
 import type { AdvanceAction } from '@/constants/project'
 import type { TaskRecord, ProjectRecord, IdeaRecord } from '@/api/types'
@@ -192,6 +206,11 @@ const { t } = useI18n()
 const router = useRouter()
 const store = useProjectStore()
 const { showToast } = useToast()
+const { openConversation } = useAiConversations()
+
+// 关联会话引用(S4:审计表反查,无关联=空数组 → 入口隐藏)
+type TaskConvRef = { conversation_id: string; title: string | null; tool_name: string; requested_at: string }
+const taskConversations = ref<TaskConvRef[]>([])
 
 const loading = ref(true)
 const errorMsg = ref('')
@@ -248,6 +267,9 @@ async function load() {
   if (!tid) return
   loading.value = true
   errorMsg.value = ''
+  taskConversations.value = [] // 新一轮加载先清旧引用,防切换任务后残留上一任务的会话
+  // 关联会话为辅助入口,旁路加载不阻塞主数据;失败静默(入口不显示即降级)
+  void loadTaskConversations(tid)
   try {
     const [t, ps, ideasList] = await Promise.all([
       taskApi.get(tid),
@@ -268,6 +290,21 @@ async function load() {
   }
 }
 
+/** S4:拉当前任务的关联会话(独立于主 try,查失败不拖垮抽屉);响应回来校验 taskId 未变 */
+async function loadTaskConversations(tid: string) {
+  try {
+    const refs = await aiApi.listTaskConversations(tid)
+    if (tid !== props.taskId) return // 任务已切换,旧任务响应丢弃
+    taskConversations.value = refs
+  } catch { taskConversations.value = [] }
+}
+
+/** 点击关联会话:先关抽屉(面板在抽屉下层,不关会被遮挡),再走 openConversation 跳转 */
+async function handleOpenConversation(convId: string) {
+  emit('close')
+  await openConversation(convId)
+}
+
 async function loadChildren() {
   const cur = task.value
   if (!cur || cur.parent_id) { children.value = []; return }
@@ -356,4 +393,13 @@ async function confirmSubtask() {
 .dr-badges { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
 .dr-header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
 .loading-hint { text-align: center; padding: 40px 0; }
+/* 关联会话:多会话纵向排列,链接样式对齐 .project-link 语义(TaskDrawer 内无其 scoped 定义) */
+.conv-links { display: flex; flex-direction: column; gap: 4px; }
+.conv-link {
+  color: var(--df-accent);
+  font-weight: 500;
+  cursor: pointer;
+  word-break: break-all;
+}
+.conv-link:hover { text-decoration: underline; }
 </style>