Fix Escape key handling for Kitty keyboard protocol

Add isEscape() helper that handles both raw (\x1b) and Kitty protocol
(\x1b[27u) Escape sequences. Update all components that check for
Escape key to use the new helper.

packages/coding-agent/src/modes/interactive/components/custom-editor.ts

@@ -1,4 +1,4 @@
-import { Editor, isCtrlC, isCtrlD, isCtrlO, isCtrlP, isCtrlT, isShiftTab } from "@mariozechner/pi-tui";
+import { Editor, isCtrlC, isCtrlD, isCtrlO, isCtrlP, isCtrlT, isEscape, isShiftTab } from "@mariozechner/pi-tui";
 
 /**
  * Custom editor that handles Escape and Ctrl+C keys for coding-agent
@@ -39,7 +39,7 @@ export class CustomEditor extends Editor {
 
 		// Intercept Escape key - but only if autocomplete is NOT active
 		// (let parent handle escape for autocomplete cancellation)
-		if (data === "\x1b" && this.onEscape && !this.isShowingAutocomplete()) {
+		if (isEscape(data) && this.onEscape && !this.isShowingAutocomplete()) {
 			this.onEscape();
 			return;
 		}

packages/coding-agent/src/modes/interactive/components/hook-input.ts

@@ -2,7 +2,7 @@
  * Simple text input component for hooks.
  */
 
-import { Container, Input, Spacer, Text } from "@mariozechner/pi-tui";
+import { Container, Input, isEscape, Spacer, Text } from "@mariozechner/pi-tui";
 import { theme } from "../theme/theme.js";
 import { DynamicBorder } from "./dynamic-border.js";
 
@@ -53,7 +53,7 @@ export class HookInputComponent extends Container {
 		}
 
 		// Escape to cancel
-		if (keyData === "\x1b") {
+		if (isEscape(keyData)) {
 			this.onCancelCallback();
 			return;
 		}

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

@@ -3,7 +3,7 @@
  * Displays a list of string options with keyboard navigation.
  */
 
-import { Container, Spacer, Text } from "@mariozechner/pi-tui";
+import { Container, isEscape, Spacer, Text } from "@mariozechner/pi-tui";
 import { theme } from "../theme/theme.js";
 import { DynamicBorder } from "./dynamic-border.js";
 
@@ -84,7 +84,7 @@ export class HookSelectorComponent extends Container {
 			}
 		}
 		// Escape
-		else if (keyData === "\x1b") {
+		else if (isEscape(keyData)) {
 			this.onCancelCallback();
 		}
 	}

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

@@ -1,5 +1,5 @@
 import type { Model } from "@mariozechner/pi-ai";
-import { Container, Input, Spacer, Text, type TUI } from "@mariozechner/pi-tui";
+import { Container, Input, isEscape, Spacer, Text, type TUI } from "@mariozechner/pi-tui";
 import { getAvailableModels } from "../../../core/model-config.js";
 import type { SettingsManager } from "../../../core/settings-manager.js";
 import { fuzzyFilter } from "../../../utils/fuzzy.js";
@@ -192,7 +192,7 @@ export class ModelSelectorComponent extends Container {
 			}
 		}
 		// Escape
-		else if (keyData === "\x1b") {
+		else if (isEscape(keyData)) {
 			this.onCancelCallback();
 		}
 		// Pass everything else to search input

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

@@ -1,4 +1,4 @@
-import { Container, Spacer, TruncatedText } from "@mariozechner/pi-tui";
+import { Container, isEscape, Spacer, TruncatedText } from "@mariozechner/pi-tui";
 import { getOAuthProviders, type OAuthProviderInfo } from "../../../core/oauth/index.js";
 import { loadOAuthCredentials } from "../../../core/oauth/storage.js";
 import { theme } from "../theme/theme.js";
@@ -107,7 +107,7 @@ export class OAuthSelectorComponent extends Container {
 			}
 		}
 		// Escape
-		else if (keyData === "\x1b") {
+		else if (isEscape(keyData)) {
 			this.onCancelCallback();
 		}
 	}

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

@@ -1,4 +1,13 @@
-import { type Component, Container, Input, isCtrlC, Spacer, Text, truncateToWidth } from "@mariozechner/pi-tui";
+import {
+	type Component,
+	Container,
+	Input,
+	isCtrlC,
+	isEscape,
+	Spacer,
+	Text,
+	truncateToWidth,
+} from "@mariozechner/pi-tui";
 import type { SessionManager } from "../../../core/session-manager.js";
 import { fuzzyFilter } from "../../../utils/fuzzy.js";
 import { theme } from "../theme/theme.js";
@@ -139,7 +148,7 @@ class SessionList implements Component {
 			}
 		}
 		// Escape - cancel
-		else if (keyData === "\x1b") {
+		else if (isEscape(keyData)) {
 			if (this.onCancel) {
 				this.onCancel();
 			}

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

@@ -1,4 +1,4 @@
-import { type Component, Container, isCtrlC, Spacer, Text, truncateToWidth } from "@mariozechner/pi-tui";
+import { type Component, Container, isCtrlC, isEscape, Spacer, Text, truncateToWidth } from "@mariozechner/pi-tui";
 import { theme } from "../theme/theme.js";
 import { DynamicBorder } from "./dynamic-border.js";
 
@@ -94,7 +94,7 @@ class UserMessageList implements Component {
 			}
 		}
 		// Escape - cancel
-		else if (keyData === "\x1b") {
+		else if (isEscape(keyData)) {
 			if (this.onCancel) {
 				this.onCancel();
 			}

packages/tui/src/components/editor.ts

@@ -1,5 +1,5 @@
 import type { AutocompleteProvider, CombinedAutocompleteProvider } from "../autocomplete.js";
-import { isAltBackspace, isCtrlA, isCtrlC, isCtrlE, isCtrlK, isCtrlU, isCtrlW, Keys } from "../keys.js";
+import { isAltBackspace, isCtrlA, isCtrlC, isCtrlE, isCtrlK, isCtrlU, isCtrlW, isEscape, Keys } from "../keys.js";
 import type { Component } from "../tui.js";
 import { visibleWidth } from "../utils.js";
 import { SelectList, type SelectListTheme } from "./select-list.js";
@@ -267,7 +267,7 @@ export class Editor implements Component {
 		// Handle autocomplete special keys first (but don't block other input)
 		if (this.isAutocompleting && this.autocompleteList) {
 			// Escape - cancel autocomplete
-			if (data === "\x1b") {
+			if (isEscape(data)) {
 				this.cancelAutocomplete();
 				return;
 			}

packages/tui/src/components/select-list.ts

@@ -1,4 +1,4 @@
-import { isCtrlC } from "../keys.js";
+import { isCtrlC, isEscape } from "../keys.js";
 import type { Component } from "../tui.js";
 import { truncateToWidth } from "../utils.js";
 
@@ -163,7 +163,7 @@ export class SelectList implements Component {
 			}
 		}
 		// Escape or Ctrl+C
-		else if (keyData === "\x1b" || isCtrlC(keyData)) {
+		else if (isEscape(keyData) || isCtrlC(keyData)) {
 			if (this.onCancel) {
 				this.onCancel();
 			}

packages/tui/src/index.ts

@@ -31,6 +31,7 @@ export {
 	isCtrlT,
 	isCtrlU,
 	isCtrlW,
+	isEscape,
 	isShiftTab,
 	Keys,
 } from "./keys.js";

packages/tui/src/keys.ts

@@ -28,6 +28,7 @@ const CODEPOINTS = {
 	w: 119,
 
 	// Special keys
+	escape: 27,
 	tab: 9,
 	enter: 13,
 	backspace: 127,
@@ -194,3 +195,12 @@ export function isAltBackspace(data: string): boolean {
 export function isShiftTab(data: string): boolean {
 	return data === RAW.SHIFT_TAB || data === Keys.SHIFT_TAB;
 }
+
+/**
+ * Check if input matches the Escape key (raw byte or Kitty protocol).
+ * Raw: \x1b (single byte)
+ * Kitty: \x1b[27u (codepoint 27 = escape)
+ */
+export function isEscape(data: string): boolean {
+	return data === "\x1b" || data === `\x1b[${CODEPOINTS.escape}u`;
+}