[Feature Request] Add shell command auto-completion for bash execution with !

Bug Description
When I use ! to run bash command it should auto tab complete like zsh can do

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.1
• Feedback ID: 7ae466fd-519e-4bd1-ac67-bf2df8c54afd

Errors

[{"error":"Error: ENOENT: no such file or directory, posix_spawn '/opt/homebrew/Caskroom/claude-code/2.1.1/claude'\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at execFile (node:child_process:59:20)\n    at YcA (/$bunfs/root/claude:30:5832)\n    at <anonymous> (/$bunfs/root/claude:32:169)\n    at new Promise (native:1:11)\n    at rP (/$bunfs/root/claude:30:6038)\n    at rP (/$bunfs/root/claude:30:6131)\n    at ZWB (/$bunfs/root/claude:4817:23093)","timestamp":"2026-01-09T21:21:23.548Z"},{"error":"Error: ENOENT: no such file or directory, posix_spawn '/opt/homebrew/Caskroom/claude-code/2.1.1/claude'\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at execFile (node:child_process:59:20)\n    at YcA (/$bunfs/root/claude:30:5832)\n    at <anonymous> (/$bunfs/root/claude:32:169)\n    at new Promise (native:1:11)\n    at rP (/$bunfs/root/claude:30:6038)\n    at rP (/$bunfs/root/claude:30:6131)\n    at ZWB (/$bunfs/root/claude:4817:23093)","timestamp":"2026-01-09T21:21:23.549Z"}]