feat: add ask settings modal shell

tests/help-modal.test.ts

@@ -2,7 +2,7 @@ import assert from "node:assert/strict";
 import test from "node:test";
 import { visibleWidth } from "@mariozechner/pi-tui";
 import { ASK_HELP_CLOSE_HINT, ASK_KEYMAPS } from "../src/constants/keymaps.ts";
-import { AskHelpModal } from "../src/ui/help-modal.ts";
+import { AskSettingsModal } from "../src/ui/settings-modal.ts";
 
 const noop = () => {
 	// Test callback intentionally does nothing.
@@ -19,20 +19,23 @@ function plainTheme() {
 	};
 }
 
-test("help modal renders compactly on phone-width screens", () => {
-	const modal = new AskHelpModal(plainTheme(), noop);
+test("settings modal renders compactly on phone-width screens", () => {
+	const modal = new AskSettingsModal(plainTheme(), noop);
 	const lines = modal.render(28);
 
 	assert(lines.length > ASK_KEYMAPS.length + 4);
 	assert(lines.every((line) => visibleWidth(line) <= 28));
 	assert(lines.join("\n").includes("@eko24ive/pi-ask"));
 	assert(lines.slice(-3, -1).join(" ").includes("Esc, Ctrl+C, or ?"));
+	assert(lines[1]?.includes("Keymaps"));
+	assert.equal(lines[2], "│                          │");
 	assert(lines.includes("│ ?                        │"));
 	assert(lines.includes("│   Show this menu         │"));
+	assert.equal(lines[0]?.includes("├"), false);
 });
 
-test("help modal keeps context rows on wider screens", () => {
-	const modal = new AskHelpModal(plainTheme(), noop);
+test("settings modal keeps context rows on wider screens", () => {
+	const modal = new AskSettingsModal(plainTheme(), noop);
 	const lines = modal.render(72);
 
 	assert(lines.length > ASK_KEYMAPS.length + 4);
@@ -40,22 +43,37 @@ test("help modal keeps context rows on wider screens", () => {
 	assert(lines.at(-2)?.includes(ASK_HELP_CLOSE_HINT));
 });
 
-test("help modal closes from configured keyboard shortcuts", () => {
+test("settings modal switches tabs and closes from configured shortcuts", () => {
+	let closed = 0;
+	const modal = new AskSettingsModal(plainTheme(), () => {
+		closed += 1;
+	});
+
+	modal.handleInput("\t");
+	assert(
+		modal.render(72).join("\n").includes("Behaviour settings coming soon.")
+	);
+	assert(modal.render(72).join("\n").includes("Behaviour"));
+
+	modal.handleInput("\u001b[Z");
+	assert.equal(
+		modal.render(72).join("\n").includes("Behaviour settings coming soon."),
+		false
+	);
+
 	for (const input of ["?", "\u001b", "\u0003"]) {
-		let closed = 0;
-		const modal = new AskHelpModal(plainTheme(), () => {
+		const closable = new AskSettingsModal(plainTheme(), () => {
 			closed += 1;
 		});
-
-		modal.handleInput(input);
-
-		assert.equal(closed, 1);
+		closable.handleInput(input);
 	}
+
+	assert.equal(closed, 3);
 });
 
-test("help modal ignores enter and closes idempotently on dispose", () => {
+test("settings modal ignores enter and closes idempotently on dispose", () => {
 	let closed = 0;
-	const modal = new AskHelpModal(plainTheme(), () => {
+	const modal = new AskSettingsModal(plainTheme(), () => {
 		closed += 1;
 	});