feat: integrate StarLight updates and improve font settings and skin editor loading

scripts/axolotl/skin-editor-bridge.test.mjs

@@ -0,0 +1,49 @@
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import test from 'node:test'
+import { runInNewContext } from 'node:vm'
+
+const source = readFileSync(
+	new URL('../../apps/app/src/skin_editor_bridge.js', import.meta.url),
+	'utf8',
+)
+
+function createFrame(url = 'http://axolotl-skin.localhost/index.html?embed=skin') {
+	const listeners = new Map()
+	const messages = []
+	const window = {
+		parent: { postMessage: (message) => messages.push(message) },
+		addEventListener: (type, handler) => listeners.set(type, handler),
+	}
+	runInNewContext(source, { window, location: new URL(url), URLSearchParams })
+	return { window, listeners, messages }
+}
+
+test('reports startup exceptions to the launcher', () => {
+	const frame = createFrame()
+	frame.listeners.get('error')({ message: 'ReferenceError: missing editor dependency' })
+	assert.equal(frame.messages[0].type, 'axolotl-skin-load-error')
+	assert.match(frame.messages[0].error, /missing editor dependency/)
+})
+
+test('reports rejected module imports even when the editor handles the rejection', async () => {
+	const frame = createFrame()
+	frame.window.blockbenchBundleReady = Promise.reject(new Error('Failed to fetch editor module'))
+	frame.listeners.get('DOMContentLoaded')()
+	await Promise.resolve()
+	assert.equal(frame.messages[0].error, 'Failed to fetch editor module')
+})
+
+test('does not install the bridge on unrelated pages', () => {
+	for (const url of ['https://skin.starlight.cool/', 'http://axolotl-skin.localhost/index.html']) {
+		assert.equal(createFrame(url).listeners.size, 0)
+	}
+})
+
+test('ignores resize observer notifications', () => {
+	const frame = createFrame()
+	frame.listeners.get('error')({
+		message: 'ResizeObserver loop completed with undelivered notifications.',
+	})
+	assert.equal(frame.messages.length, 0)
+})