feat: add dirty-dismiss and footer hint settings

tests/dismiss-notice-behavior.test.ts

@@ -0,0 +1,79 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { DEFAULT_ASK_CONFIG } from "../src/config/defaults.ts";
+import { createInitialState } from "../src/state/create.ts";
+import { moveOption, moveTab } from "../src/state/transitions.ts";
+import { renderAskScreen } from "../src/ui/render.ts";
+
+function mockEditor() {
+	return {
+		getText() {
+			return "";
+		},
+		render() {
+			return [];
+		},
+	} as never;
+}
+
+function plainTheme() {
+	return {
+		fg(_color: string, text: string) {
+			return text;
+		},
+		bg(_color: string, text: string) {
+			return text;
+		},
+		bold(text: string) {
+			return text;
+		},
+	} as never;
+}
+
+const notice =
+	"Unsaved ask answers or drafts. Press cancel/dismiss again to discard.";
+
+test("dismiss notice stays visible on same tab and clears after tab change", () => {
+	const state = createInitialState({
+		questions: [
+			{
+				id: "q1",
+				label: "One",
+				prompt: "One",
+				options: [{ value: "a", label: "A" }],
+			},
+			{
+				id: "q2",
+				label: "Two",
+				prompt: "Two",
+				options: [{ value: "b", label: "B" }],
+			},
+		],
+	});
+	const config = {
+		...DEFAULT_ASK_CONFIG,
+		behaviour: {
+			...DEFAULT_ASK_CONFIG.behaviour,
+			confirmDismissWhenDirty: true,
+		},
+	};
+
+	const sameTabLines = renderAskScreen({
+		config,
+		footerNotice: notice,
+		state: moveOption(state, 1),
+		theme: plainTheme(),
+		width: 80,
+		editor: mockEditor(),
+	});
+	assert.equal(sameTabLines.join("\n").includes(notice), true);
+
+	const nextTabLines = renderAskScreen({
+		config,
+		state: moveTab(state, 1),
+		theme: plainTheme(),
+		width: 80,
+		editor: mockEditor(),
+	});
+	assert.equal(nextTabLines.join("\n").includes(notice), false);
+});