[Feature Request] Add Nushell support for tmux command chaining in team environments

Bug Description
support nushell when using tmux in teams (nushell does not have &&)

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.32
• Feedback ID: 71df025d-004e-42bd-a0d2-efedc77c3d13

Errors

[{"error":"Error: ENOENT: no such file or directory, open '/Users/andrewgazelka/.claude/remote-settings.json'\n    at openSync (unknown)\n    at <anonymous> (/$bunfs/root/claude:12:947)\n    at o5 (/$bunfs/root/claude:11:41126)\n    at readSync (/$bunfs/root/claude:12:875)\n    at t5 (/$bunfs/root/claude:6170:113)\n    at D5 (/$bunfs/root/claude:6172:226)\n    at $pR (/$bunfs/root/claude:121:25774)\n    at HpR (/$bunfs/root/claude:121:25937)\n    at E_ (/$bunfs/root/claude:121:27674)\n    at ATD (/$bunfs/root/claude:122:1170)","timestamp":"2026-02-05T18:15:05.804Z"},{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/andrewgazelka/.local/share/claude/versions/2.1.32 (expected in multi-process scenarios)\n    at CFR (/$bunfs/root/claude:3667:2098)\n    at KkA (/$bunfs/root/claude:3667:1209)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-05T18:15:05.883Z"},{"error":"Error: EACCES: permission denied, open '/nix/store/db8hg4kap7ihmbr3x6pvl14k2fkkqbrs-home-manager-files/.claude.json.tmp.55674.1770315306197'\n    at writeFileSync (unknown)\n    at yK (/$bunfs/root/claude:6174:631)\n    at CoB (/$bunfs/root/claude:6174:5218)\n    at eR (/$bunfs/root/claude:6174:2645)\n    at hy8 (/$bunfs/root/claude:7494:9766)\n    at <anonymous> (/$bunfs/root/claude:7527:5620)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-05T18:15:06.197Z"},{"error":"Error: getTeammateModeFromSnapshot called before capture - this indicates an initialization bug\n    at vxT (/$bunfs/root/claude:1885:9052)\n    at fe7 (/$bunfs/root/claude:1902:190)\n    at bS (/$bunfs/root/claude:1902:308)\n    at <anonymous> (/$bunfs/root/claude:7308:88)\n    at useMemo (/$bunfs/root/claude:685:102979)\n    at <anonymous> (/$bunfs/root/claude:191:8939)\n    at tf8 (/$bunfs/root/claude:7308:59)\n    at R$ (/$bunfs/root/claude:685:20775)\n    at V6 (/$bunfs/root/claude:685:39175)\n    at YT (/$bunfs/root/claude:685:36558)","timestamp":"2026-02-05T18:15:06.217Z"},{"error":"Error: EACCES: permission denied, open '/nix/store/db8hg4kap7ihmbr3x6pvl14k2fkkqbrs-home-manager-files/.claude.json.tmp.55674.1770315306246'\n    at writeFileSync (unknown)\n    at yK (/$bunfs/root/claude:6174:631)\n    at CoB (/$bunfs/root/claude:6174:5218)\n    at H4 (/$bunfs/root/claude:6187:227)\n    at icB (/$bunfs/root/claude:3971:5886)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-05T18:15:06.246Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:29:8524)\n    at <anonymous> (/$bunfs/root/claude:47:10259)\n    at emitError (node:events:43:23)\n    at <anonymous> (/$bunfs/root/claude:46:1149)\n    at emitError (node:events:43:23)\n    at <anonymous> (node:_http_client:248:22)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:49:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-05T18:15:20.879Z"}]