fix: handle Shift+Space in Kitty keyboard protocol terminals (#15767)

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -84,6 +84,7 @@ const KEY_INFO_MAP: Record<
   '[9u': { name: 'tab' },
   '[13u': { name: 'return' },
   '[27u': { name: 'escape' },
+  '[32u': { name: 'space' },
   '[127u': { name: 'backspace' },
   '[57414u': { name: 'return' }, // Numpad Enter
   '[a': { name: 'up', shift: true },
@@ -479,6 +480,10 @@ function* emitKeys(
         if (keyInfo.ctrl) {
           ctrl = true;
         }
+        if (name === 'space' && !ctrl && !meta) {
+          sequence = ' ';
+          insertable = true;
+        }
       } else {
         name = 'undefined';
         if ((ctrl || meta) && (code.endsWith('u') || code.endsWith('~'))) {