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/reduce.mjs

@@ -0,0 +1,54 @@
+import { identity } from "../../function/identity.mjs";
+import { range } from "../../math/range.mjs";
+import { isArrayLike } from "../predicate/isArrayLike.mjs";
+//#region src/compat/array/reduce.ts
+/**
+* Reduces a collection to a single value using an iteratee function.
+*
+* @param collection - The collection to iterate over.
+* @param iteratee - The function invoked per iteration or the key to reduce over.
+* @param initialValue - The initial value.
+* @returns Returns the accumulated value.
+*
+* @example
+* // Using a reducer function
+* const array = [1, 2, 3];
+* reduce(array, (acc, value) => acc + value, 0); // => 6
+*
+* @example
+* // Using a reducer function with initialValue
+* const array = [1, 2, 3];
+* reduce(array, (acc, value) => acc + value % 2 === 0, true); // => false
+*
+* @example
+* // Using an object as the collection
+* const obj = { a: 1, b: 2, c: 3 };
+* reduce(obj, (acc, value) => acc + value, 0); // => 6
+*/
+function reduce(collection, iteratee = identity, accumulator) {
+	const hasAccumulator = arguments.length >= 3;
+	if (!collection) return accumulator;
+	let keys;
+	let startIndex = 0;
+	if (isArrayLike(collection)) {
+		keys = range(0, collection.length);
+		if (!hasAccumulator && collection.length > 0) {
+			accumulator = collection[0];
+			startIndex += 1;
+		}
+	} else {
+		keys = Object.keys(collection);
+		if (!hasAccumulator && keys.length > 0) {
+			accumulator = collection[keys[0]];
+			startIndex += 1;
+		}
+	}
+	for (let i = startIndex; i < keys.length; i++) {
+		const key = keys[i];
+		const value = collection[key];
+		accumulator = iteratee(accumulator, value, key, collection);
+	}
+	return accumulator;
+}
+//#endregion
+export { reduce };