Remove sequence binding (#16664)

packages/cli/src/config/keyBindings.test.ts

@@ -28,12 +28,9 @@ describe('keyBindings config', () => {
     it('should have valid key binding structures', () => {
       for (const [_, bindings] of Object.entries(defaultKeyBindings)) {
         for (const binding of bindings) {
-          // Each binding should have either key or sequence, but not both
-          const hasKey = binding.key !== undefined;
-          const hasSequence = binding.sequence !== undefined;
-
-          expect(hasKey || hasSequence).toBe(true);
-          expect(hasKey && hasSequence).toBe(false);
+          // Each binding must have a key name
+          expect(typeof binding.key).toBe('string');
+          expect(binding.key.length).toBeGreaterThan(0);
 
           // Modifier properties should be boolean or undefined
           if (binding.ctrl !== undefined) {

packages/cli/src/config/keyBindings.ts

@@ -94,9 +94,7 @@ export enum Command {
  */
 export interface KeyBinding {
   /** The key name (e.g., 'a', 'return', 'tab', 'escape') */
-  key?: string;
-  /** The key sequence (e.g., '\x18' for Ctrl+X) - alternative to key name */
-  sequence?: string;
+  key: string;
   /** Control key requirement: true=must be pressed, false=must not be pressed, undefined=ignore */
   ctrl?: boolean;
   /** Shift key requirement: true=must be pressed, false=must not be pressed, undefined=ignore */
@@ -221,10 +219,7 @@ export const defaultKeyBindings: KeyBindingConfig = {
   ],
 
   // External tools
-  [Command.OPEN_EXTERNAL_EDITOR]: [
-    { key: 'x', ctrl: true },
-    { sequence: '\x18', ctrl: true },
-  ],
+  [Command.OPEN_EXTERNAL_EDITOR]: [{ key: 'x', ctrl: true }],
   [Command.PASTE_CLIPBOARD]: [
     { key: 'v', ctrl: true },
     { key: 'v', command: true },