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-toolkit/dist/compat/object/at.mjs

@@ -0,0 +1,37 @@
+import { isArrayLike } from "../predicate/isArrayLike.mjs";
+import { get } from "./get.mjs";
+import { isString } from "../predicate/isString.mjs";
+//#region src/compat/object/at.ts
+/**
+* Returns an array of values corresponding to `paths` of `object`.
+*
+* @template T - The type of the object.
+* @param object - The object to iterate over.
+* @param [paths] - The property paths to pick.
+* @returns Returns the picked values.
+*
+* @example
+* ```js
+* const object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+*
+* at(object, ['a[0].b.c', 'a[1]']);
+* // => [3, 4]
+* ```
+*/
+function at(object, ...paths) {
+	if (paths.length === 0) return [];
+	const allPaths = [];
+	for (let i = 0; i < paths.length; i++) {
+		const path = paths[i];
+		if (!isArrayLike(path) || isString(path)) {
+			allPaths.push(path);
+			continue;
+		}
+		for (let j = 0; j < path.length; j++) allPaths.push(path[j]);
+	}
+	const result = [];
+	for (let i = 0; i < allPaths.length; i++) result.push(get(object, allPaths[i]));
+	return result;
+}
+//#endregion
+export { at };