🐛 fix(vscode): 移交只对负责人显示；接管后审查会话立即可点

Claude-Session: https://claude.ai/code/session_011cEyL6k351U2BzX1Qmygph

vscode/src/panel/handlers/handoff.ts

@@ -6,8 +6,11 @@ export function canStartHandoff(issue: {
   source?: 'gitea' | 'youtrack'
   column: IssueColumn
   handoffAttachmentId?: string
-}): boolean {
-  return issue.source !== 'youtrack' && issue.column !== 'done' && !issue.handoffAttachmentId
+  assignees?: string[]
+}, me: string | undefined): boolean {
+  const assignees = issue.assignees ?? []
+  const mine = assignees.length === 0 || (me !== undefined && assignees.includes(me))
+  return issue.source !== 'youtrack' && issue.column !== 'done' && !issue.handoffAttachmentId && mine
 }
 
 export function canAcceptHandoff(issue: {
@@ -105,6 +108,7 @@ export function handoffAcceptedUiPatch(local: {
   profiles: HandoffProfiles
   worktreePath?: string
   worktreeExists: boolean
+  reviewSessionFileExists?: boolean
 }): Record<string, unknown> {
   return {
     handoffAttachmentId: null,
@@ -115,5 +119,6 @@ export function handoffAcceptedUiPatch(local: {
     // 与 worktreeExists: false 对不上。
     worktreePath: local.worktreePath ?? null,
     worktreeExists: local.worktreeExists,
+    ...(local.reviewSessionFileExists !== undefined ? { reviewSessionFileExists: local.reviewSessionFileExists } : {}),
   }
 }