✨ feat(vscode): 实施和审查会话行加启动箭头

不用再把卡片拖到「实施中」「审查」列：

- 实施会话id 行在有计划文件且没实施会话时显示 ▶，等同拖进实施中列
- 审查会话id 行在有 PR 时显示 ▶，按 PR 事件那套流程起 codex 审查

Claude-Session: https://claude.ai/code/session_01Kgmb1LvrPmFX3NoUDB4zZC

vscode/src/panel/handlers/sessions.ts

@@ -13,7 +13,7 @@ import { buildCcCommand } from '../../cc/ccCommand'
 import { buildCodexCommandString } from '../../cc/codexCommand'
 import { watchForNewCodexSession } from '../../cc/codexSessionWatcher'
 import { resolveProfilePath } from '../../cc/profiles'
-import { getBrainstormContinuePrompt, getImplementPlanPrompt } from '../../cc/prompts'
+import { getBrainstormContinuePrompt, getImplementPlanPrompt, getReviewPrompt } from '../../cc/prompts'
 import { projectsDirFor, watchForNewSession } from '../../cc/sessionWatcher'
 import { detectRepo } from '../../git/remote'
 import { ensureWorktree, resolveWorktreePath } from '../../git/worktree'
@@ -1270,6 +1270,57 @@ export async function handleStartTestSession(panel: KanbanWebviewPanel, issueNum
   }
 }
 
+/**
+ * 手动启动审查会话：等同 PR 事件触发的自动审查，只是入口在详情面板的
+ * 「审查会话id」行。必须已有 PR——审查提示词就是让 codex 去看这个 PR。
+ */
+export async function handleStartReviewSession(panel: KanbanWebviewPanel, issueNumber: number): Promise<void> {
+  const workspaceRoot = workspace.workspaceFolders?.[0]?.uri.fsPath
+  if (!workspaceRoot) {
+    void window.showErrorMessage('请先打开一个工作区文件夹')
+    return
+  }
+
+  const lockCheck = await panel.resolveLockedReason(issueNumber)
+  if (lockCheck.locked) {
+    await window.showWarningMessage(`等待前置工单 #${lockCheck.prerequisiteNumber} 完成`)
+    return
+  }
+
+  let pr: string | undefined
+  let worktreePath = ''
+  try {
+    const stateObj = await panel.readIssueState(issueNumber)
+    if (typeof stateObj.pr === 'string' && stateObj.pr.length > 0)
+      pr = stateObj.pr.replace(/\(已合并\)\s*$/, '')
+    if (typeof stateObj.worktreePath === 'string')
+      worktreePath = stateObj.worktreePath
+  }
+  catch (err) {
+    logger.add({
+      level: 'warn',
+      source: 'review',
+      message: `读取 #${issueNumber} state JSON 失败，无法启动审查会话`,
+      details: err instanceof Error ? err.message : String(err),
+    })
+  }
+
+  if (!pr) {
+    void window.showWarningMessage('该工单还没有 PR，无法启动审查会话')
+    return
+  }
+
+  const ok = await triggerAutoReviewTab(panel, {
+    issueNumber,
+    prNumber: pr,
+    prompt: getReviewPrompt(panel.context, { prNumber: pr }),
+    worktreePath,
+    workspaceRoot,
+  })
+  if (!ok)
+    void window.showErrorMessage(`启动审查会话失败 #${issueNumber}，详见扩展日志`)
+}
+
 /**
  * 恢复一个已存在的测试 cc 会话：详情面板点测试会话行（testTabOpen=false 时）
  * 触发，照搬 handleResumeSession 的 implement 分支，但 kind='test'、终端名