feat(ask): refine inline answer and navigation UX

tests/input.test.ts

@@ -0,0 +1,51 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { applyNumberShortcut, createInitialState, enterQuestionNoteMode } from "../src/state.ts";
+import { getInputCommand } from "../src/ui/input.ts";
+
+function inputState() {
+	let state = createInitialState({
+		questions: [
+			{
+				id: "q1",
+				prompt: "Question?",
+				options: [{ value: "a", label: "A" }],
+			},
+		],
+	});
+	state = applyNumberShortcut(state, 2);
+	return state;
+}
+
+test("editing views let up and down move navigation", () => {
+	const input = inputState();
+	assert.deepEqual(getInputCommand(input, "\x1b[A"), {
+		kind: "editMoveOption",
+		delta: -1,
+	});
+	assert.deepEqual(getInputCommand(input, "\x1b[B"), {
+		kind: "editMoveOption",
+		delta: 1,
+	});
+});
+
+test("note editing views let up and down move navigation", () => {
+	const state = enterQuestionNoteMode(createInitialState({
+		questions: [
+			{
+				id: "q1",
+				prompt: "Question?",
+				options: [{ value: "a", label: "A" }],
+			},
+		],
+	}), "q1");
+
+	assert.deepEqual(getInputCommand(state, "\x1b[A"), {
+		kind: "editMoveOption",
+		delta: -1,
+	});
+	assert.deepEqual(getInputCommand(state, "\x1b[B"), {
+		kind: "editMoveOption",
+		delta: 1,
+	});
+});