diff --git a/vscode/src/panel/handlers/issues.ts b/vscode/src/panel/handlers/issues.ts
index baa4940..891bdfa 100644
--- a/vscode/src/panel/handlers/issues.ts
+++ b/vscode/src/panel/handlers/issues.ts
@@ -11,6 +11,7 @@ import { getToken } from '../../auth/secrets'
 import { buildCcCommand } from '../../cc/ccCommand'
 import { getDefaultProfilePath, getPrDiffSummaryProfilePath } from '../../cc/profiles'
 import { getBrainstormPrompt } from '../../cc/prompts'
+import { claudeProjectsRoot, installClaudeSession } from '../../cc/sessionBundle'
 import { projectsDirFor, watchForNewSession } from '../../cc/sessionWatcher'
 import { spawnClaude } from '../../cc/spawnClaude'
 import { gitFetch, resolveFeatureBranch } from '../../git/branchSync'
@@ -390,45 +391,27 @@ export async function handleColumnChange(panel: KanbanWebviewPanel, issueNumber:
     issueNumber,
   })
 
-  // Before removing the worktree, copy the impl- and test-session jsonl into
-  // the workspace-root projects dir so `claude --resume` can still find them
-  // after the worktree (and its projects dir) are gone.
+  // 删 worktree 前把实施/测试会话整包（jsonl + 子目录）搬到主仓库 projects 目录，
+  // 并清掉 worktree 侧副本：新版 claude 遇到重复 sid 会拒绝 resume。
   if ((implementSessionId || testSessionId) && worktreePath) {
-    try {
-      const worktreeAbs = resolveWorktreePath(worktreePath, workspaceRoot)
-      const srcProjectsDir = projectsDirFor(worktreeAbs)
-      const dstProjectsDir = projectsDirFor(workspaceRoot)
-      const sessionIds = [implementSessionId, testSessionId].filter(
-        (id): id is string => typeof id === 'string' && id.length > 0,
-      )
-      for (const sessionId of sessionIds) {
-        const srcJsonl = path.join(srcProjectsDir, `${sessionId}.jsonl`)
-        const dstJsonl = path.join(dstProjectsDir, `${sessionId}.jsonl`)
-        if (fs.existsSync(srcJsonl)) {
-          if (!fs.existsSync(dstProjectsDir))
-            fs.mkdirSync(dstProjectsDir, { recursive: true })
-          if (!fs.existsSync(dstJsonl)) {
-            fs.copyFileSync(srcJsonl, dstJsonl)
-            logger.add({
-              level: 'info',
-              source: 'panel',
-              message: `已复制 cc session jsonl 到主 workspace projects 目录 (issue #${issueNumber})`,
-              details: `${srcJsonl} → ${dstJsonl}`,
-            })
-          }
-        }
+    const worktreeAbs = resolveWorktreePath(worktreePath, workspaceRoot)
+    const srcProjectsDir = projectsDirFor(worktreeAbs)
+    const dstProjectsDir = projectsDirFor(workspaceRoot)
+    for (const sid of [implementSessionId, testSessionId]) {
+      if (typeof sid !== 'string' || sid.length === 0)
+        continue
+      try {
+        await installClaudeSession({ sid, srcDir: srcProjectsDir, dstProjectsDir, projectsRoot: claudeProjectsRoot() })
+        logger.add({ level: 'info', source: 'panel', message: `cc 会话 ${sid} 已搬到主仓库 projects 目录 (issue #${issueNumber})` })
+      }
+      catch (err) {
+        logger.add({
+          level: 'warn',
+          source: 'panel',
+          message: `搬迁 cc 会话 ${sid} 失败 (issue #${issueNumber})，worktree 清理仍继续`,
+          details: err instanceof Error ? err.message : String(err),
+        })
       }
-    }
-    catch (err) {
-      // Non-fatal — worktree cleanup still proceeds. User can manually copy
-      // the jsonl later if needed.
-      const message = err instanceof Error ? err.message : String(err)
-      logger.add({
-        level: 'warn',
-        source: 'panel',
-        message: `复制 cc session jsonl 失败 (issue #${issueNumber})，worktree 清理仍继续`,
-        details: message,
-      })
     }
   }