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/array/dropRightWhile.mjs

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+//#region src/array/dropRightWhile.ts
+/**
+* Removes elements from the end of an array until the predicate returns false.
+*
+* This function iterates over an array from the end and drops elements until the provided
+* predicate function returns false. It then returns a new array with the remaining elements.
+*
+* @template T - The type of elements in the array.
+* @param arr - The array from which to drop elements.
+* @param canContinueDropping - A predicate function that determines
+* whether to continue dropping elements. The function is called with each element from the end,
+* and dropping continues as long as it returns true.
+* @returns A new array with the elements remaining after the predicate returns false.
+*
+* @example
+* const array = [1, 2, 3, 4, 5];
+* const result = dropRightWhile(array, x => x > 3);
+* // result will be [1, 2, 3] since elements greater than 3 are dropped from the end.
+*/
+function dropRightWhile(arr, canContinueDropping) {
+	for (let i = arr.length - 1; i >= 0; i--) if (!canContinueDropping(arr[i], i, arr)) return arr.slice(0, i + 1);
+	return [];
+}
+//#endregion
+export { dropRightWhile };