Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/es-abstract-get/test/Get.js

@@ -0,0 +1,43 @@
+'use strict';
+
+var test = require('tape');
+var v = require('es-value-fixtures');
+
+var Get = require('../Get');
+
+test('Get', function (t) {
+	t['throws'](
+		// @ts-expect-error
+		function () { return Get('a', 'a'); },
+		TypeError,
+		'Throws a TypeError if `O` is not an Object'
+	);
+	t['throws'](
+		// @ts-expect-error
+		function () { return Get({ 7: 7 }, 7); },
+		TypeError,
+		'Throws a TypeError if `P` is not a property key'
+	);
+
+	var sentinel = {};
+
+	t.test('Symbols', { skip: !v.hasSymbols }, function (st) {
+		var sym = Symbol('sym');
+		var obj = /** @type {Record<symbol, unknown>} */ ({});
+		obj[sym] = sentinel;
+
+		st.equal(Get(obj, sym), sentinel, 'returns property `P` if it exists on object `O`');
+
+		st.end();
+	});
+
+	t.equal(Get({ a: sentinel }, 'a'), sentinel, 'returns property `P` if it exists on object `O`');
+	t.equal(
+		// @ts-expect-error
+		Get({}, 'a'),
+		undefined,
+		'returns undefined if property `P` does not exist on object `O`'
+	);
+
+	t.end();
+});