fix(coding-agent): use key helpers for arrow keys and Enter

Fixed arrow key and Enter detection in selector components to work
with Kitty protocol when Caps Lock or Num Lock is enabled.

Updated: oauth-selector, user-message-selector, hook-selector,
hook-input, model-selector, session-selector

packages/coding-agent/src/modes/interactive/components/user-message-selector.ts

@@ -1,4 +1,15 @@
-import { type Component, Container, isCtrlC, isEscape, Spacer, Text, truncateToWidth } from "@mariozechner/pi-tui";
+import {
+	type Component,
+	Container,
+	isArrowDown,
+	isArrowUp,
+	isCtrlC,
+	isEnter,
+	isEscape,
+	Spacer,
+	Text,
+	truncateToWidth,
+} from "@mariozechner/pi-tui";
 import { theme } from "../theme/theme.js";
 import { DynamicBorder } from "./dynamic-border.js";
 
@@ -79,15 +90,15 @@ class UserMessageList implements Component {
 
 	handleInput(keyData: string): void {
 		// Up arrow - go to previous (older) message, wrap to bottom when at top
-		if (keyData === "\x1b[A") {
+		if (isArrowUp(keyData)) {
 			this.selectedIndex = this.selectedIndex === 0 ? this.messages.length - 1 : this.selectedIndex - 1;
 		}
 		// Down arrow - go to next (newer) message, wrap to top when at bottom
-		else if (keyData === "\x1b[B") {
+		else if (isArrowDown(keyData)) {
 			this.selectedIndex = this.selectedIndex === this.messages.length - 1 ? 0 : this.selectedIndex + 1;
 		}
 		// Enter - select message and branch
-		else if (keyData === "\r") {
+		else if (isEnter(keyData)) {
 			const selected = this.messages[this.selectedIndex];
 			if (selected && this.onSelect) {
 				this.onSelect(selected.index);