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/util/toArray.d.ts

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+//#region src/compat/util/toArray.d.ts
+/**
+ * Converts a record or null/undefined to an array of its values.
+ *
+ * @template T
+ * @param value - The record or null/undefined to convert.
+ * @returns Returns an array of the record's values or an empty array if null/undefined.
+ *
+ * @example
+ * toArray({ 'a': 1, 'b': 2 }) // => returns [1, 2]
+ * toArray(null) // => returns []
+ */
+declare function toArray<T>(value: Record<string, T> | Record<number, T> | null | undefined): T[];
+/**
+ * Converts a value to an array of its values.
+ *
+ * @template T
+ * @param value - The value to convert.
+ * @returns Returns an array of the value's values.
+ *
+ * @example
+ * toArray({ x: 10, y: 20 }) // => returns [10, 20]
+ * toArray('abc') // => returns ['a', 'b', 'c']
+ */
+declare function toArray<T>(value: T): Array<T[keyof T]>;
+/**
+ * Converts an undefined value to an empty array.
+ *
+ * @returns Returns an empty array.
+ *
+ * @example
+ * toArray() // => returns []
+ */
+declare function toArray(): any[];
+//#endregion
+export { toArray };