split-view 2

Run Claude Code and Codex as live terminal panes beside dsh: a split view in the web UI, buttons to seat them, and tools that let the dsh agent hand them work and read their screens.

Multi-session split view for the DeepSeek Harness web GUI: the top window shadows the root slot with a resizable split container; each pane is an iframe running a full DSH client pinned to its own session, with per-pane title bars, LRU hibernation and a d