feat(tui): make permission mode keybind configurable

Let users bind the existing auto-approve toggle without changing its default behavior.

Closes #40331

Author: CasualDeveloper

packages/tui/src/app.tsx

@@ -137,6 +137,7 @@ const appBindingCommands = [
   "app.toggle.diffwrap",
   "app.toggle.paste_summary",
   "app.toggle.session_directory_filter",
+  "permission.mode",
 ] as const
 
 export type TuiInput = {

packages/tui/src/config/keybind.ts

@@ -54,6 +54,7 @@ export const Definitions = {
   app_toggle_diffwrap: keybind("none", "Toggle diff wrapping"),
   app_toggle_paste_summary: keybind("none", "Toggle paste summary"),
   app_toggle_session_directory_filter: keybind("none", "Toggle session directory filtering"),
+  app_toggle_auto_approve_permissions: keybind("none", "Toggle auto-approve permissions"),
   command_list: keybind("ctrl+p", "List available commands"),
   help_show: keybind("none", "Open help dialog"),
   docs_open: keybind("none", "Open documentation"),
@@ -263,6 +264,7 @@ export const CommandMap = {
   app_toggle_diffwrap: "app.toggle.diffwrap",
   app_toggle_paste_summary: "app.toggle.paste_summary",
   app_toggle_session_directory_filter: "app.toggle.session_directory_filter",
+  app_toggle_auto_approve_permissions: "permission.mode",
   command_list: "command.palette.show",
   help_show: "help.show",
   docs_open: "docs.open",