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/uniqBy.d.ts

@@ -0,0 +1,18 @@
+import { ValueIteratee } from "../_internal/ValueIteratee.js";
+
+//#region src/compat/array/uniqBy.d.ts
+/**
+ * Creates a duplicate-free version of an array, using an optional transform function.
+ *
+ * @template T
+ * @param array - The array to inspect.
+ * @param iteratee - The transform function or property name to get values from.
+ * @returns Returns the new duplicate-free array.
+ *
+ * @example
+ * uniqBy([2.1, 1.2, 2.3], Math.floor);
+ * // => [2.1, 1.2]
+ */
+declare function uniqBy<T>(array: ArrayLike<T> | null | undefined, iteratee: ValueIteratee<T>): T[];
+//#endregion
+export { uniqBy };