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/array/unzip.mjs

@@ -0,0 +1,25 @@
+import { unzip as unzip$1 } from "../../array/unzip.mjs";
+import { isArray } from "../predicate/isArray.mjs";
+import { isArrayLikeObject } from "../predicate/isArrayLikeObject.mjs";
+//#region src/compat/array/unzip.ts
+/**
+* Gathers elements in the same position in an internal array
+* from a grouped array of elements and returns them as a new array.
+*
+* @template T - The type of elements in the nested array.
+* @param array - The nested array to unzip.
+* @returns A new array of unzipped elements.
+*
+* @example
+* const zipped = [['a', true, 1],['b', false, 2]];
+* const result = unzip(zipped);
+* // result will be [['a', 'b'], [true, false], [1, 2]]
+*/
+function unzip(array) {
+	if (!isArrayLikeObject(array) || !array.length) return [];
+	array = isArray(array) ? array : Array.from(array);
+	array = array.filter((item) => isArrayLikeObject(item));
+	return unzip$1(array);
+}
+//#endregion
+export { unzip };