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/function/debounce.d.mts

@@ -0,0 +1,77 @@
+//#region src/function/debounce.d.ts
+interface DebounceOptions {
+  /**
+   * An optional AbortSignal to cancel the debounced function.
+   */
+  signal?: AbortSignal;
+  /**
+   * An optional array specifying whether the function should be invoked on the leading edge, trailing edge, or both.
+   * If `edges` includes "leading", the function will be invoked at the start of the delay period.
+   * If `edges` includes "trailing", the function will be invoked at the end of the delay period.
+   * If both "leading" and "trailing" are included, the function will be invoked at both the start and end of the delay period.
+   * @default ["trailing"]
+   */
+  edges?: Array<'leading' | 'trailing'>;
+}
+interface DebouncedFunction<F extends (...args: any[]) => void> {
+  (...args: Parameters<F>): void;
+  /**
+   * Schedules the execution of the debounced function after the specified debounce delay.
+   * This method resets any existing timer, ensuring that the function is only invoked
+   * after the delay has elapsed since the last call to the debounced function.
+   * It is typically called internally whenever the debounced function is invoked.
+   */
+  schedule: () => void;
+  /**
+   * Cancels any pending execution of the debounced function.
+   * This method clears the active timer and resets any stored context or arguments.
+   */
+  cancel: () => void;
+  /**
+   * Immediately invokes the debounced function if there is a pending execution.
+   * This method executes the function right away if there is a pending execution.
+   */
+  flush: () => void;
+}
+/**
+ * Creates a debounced function that delays invoking the provided function until after `debounceMs` milliseconds
+ * have elapsed since the last time the debounced function was invoked. The debounced function also has a `cancel`
+ * method to cancel any pending execution.
+ *
+ * @template F - The type of function.
+ * @param func - The function to debounce.
+ * @param debounceMs - The number of milliseconds to delay.
+ * @param options - The options object
+ * @param options.signal - An optional AbortSignal to cancel the debounced function.
+ * @param options.edges - An optional array specifying whether the function should be invoked on the leading edge, trailing edge, or both.
+ * @returns A new debounced function with a `cancel` method.
+ *
+ * @example
+ * const debouncedFunction = debounce(() => {
+ *   console.log('Function executed');
+ * }, 1000);
+ *
+ * // Will log 'Function executed' after 1 second if not called again in that time
+ * debouncedFunction();
+ *
+ * // Will not log anything as the previous call is canceled
+ * debouncedFunction.cancel();
+ *
+ * // With AbortSignal
+ * const controller = new AbortController();
+ * const signal = controller.signal;
+ * const debouncedWithSignal = debounce(() => {
+ *  console.log('Function executed');
+ * }, 1000, { signal });
+ *
+ * debouncedWithSignal();
+ *
+ * // Will cancel the debounced function call
+ * controller.abort();
+ */
+declare function debounce<F extends (...args: any[]) => void>(func: F, debounceMs: number, {
+  signal,
+  edges
+}?: DebounceOptions): DebouncedFunction<F>;
+//#endregion
+export { DebounceOptions, DebouncedFunction, debounce };