✨ feat(vscode): URI 开的会话不再登记进会话管理列表

delegate-fix 等外部方通过 create-session URI 开的一次性会话，
不写入 .spx/session-names.json，也跳过 sessionId 轮询捕获；
面板内手动创建的会话仍照常登记。

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

vscode/package.json

@@ -2,7 +2,7 @@
   "publisher": "clurdra",
   "name": "superpowers-vscode-clurdra",
   "displayName": "Superpowers-clurdra",
-  "version": "0.2.131",
+  "version": "0.2.132",
   "packageManager": "pnpm@10.27.0",
   "description": "Superpowers specs and plans Kanban explorer",
   "author": "clurdra",