Fix Escape key to cancel autocomplete before interrupting agent

packages/coding-agent/src/tui-renderer.ts

@@ -21,8 +21,9 @@ class CustomEditor extends Editor {
 	public onCtrlC?: () => void;
 
 	handleInput(data: string): void {
-		// Intercept Escape key
-		if (data === "\x1b" && this.onEscape) {
+		// Intercept Escape key - but only if autocomplete is NOT active
+		// (let parent handle escape for autocomplete cancellation)
+		if (data === "\x1b" && this.onEscape && !this.isShowingAutocomplete()) {
 			this.onEscape();
 			return;
 		}

packages/tui/src/components/editor.ts

@@ -749,6 +749,10 @@ export class Editor implements Component {
 		this.autocompletePrefix = "";
 	}
 
+	public isShowingAutocomplete(): boolean {
+		return this.isAutocompleting;
+	}
+
 	private updateAutocomplete(): void {
 		if (!this.isAutocompleting || !this.autocompleteProvider) return;