291eeed87a
Keep the new manager-side bootstrap registration as the primary path, but restore a compatibility fallback when the parent call aborts before the child session id resolves. This preserves late delegated session wiring for already-launched background tasks without reverting the new bootstrap architecture. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>