Spawn was `s`/`S` in the TUI and `n`/`N` in the web client; the TUI now uses `n`/`N` too. The web sidebar gains `c`, `r` and `x` — collapse, rename, kill — which the TUI already bound. docs/SIDEBAR.md now carries the shared table, so a new binding has one place to land on both clients. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>