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/object/set.d.mts

@@ -0,0 +1,61 @@
+import { PropertyPath } from "../_internal/PropertyPath.mjs";
+
+//#region src/compat/object/set.d.ts
+/**
+ * Sets the value at the specified path of the given object. If any part of the path does not exist, it will be created.
+ *
+ * @template T - The type of the object.
+ * @param object - The object to modify.
+ * @param path - The path of the property to set.
+ * @param value - The value to set.
+ * @returns The modified object.
+ *
+ * @example
+ * // Set a value in a nested object
+ * const obj = { a: { b: { c: 3 } } };
+ * set(obj, 'a.b.c', 4);
+ * console.log(obj.a.b.c); // 4
+ *
+ * @example
+ * // Set a value in an array
+ * const arr = [1, 2, 3];
+ * set(arr, 1, 4);
+ * console.log(arr[1]); // 4
+ *
+ * @example
+ * // Create non-existent path and set value
+ * const obj = {};
+ * set(obj, 'a.b.c', 4);
+ * console.log(obj); // { a: { b: { c: 4 } } }
+ */
+declare function set<T extends object>(object: T, path: PropertyPath, value: any): T;
+/**
+ * Sets the value at the specified path of the given object. If any part of the path does not exist, it will be created.
+ *
+ * @template R - The return type.
+ * @param object - The object to modify.
+ * @param path - The path of the property to set.
+ * @param value - The value to set.
+ * @returns The modified object.
+ *
+ * @example
+ * // Set a value in a nested object
+ * const obj = { a: { b: { c: 3 } } };
+ * set(obj, 'a.b.c', 4);
+ * console.log(obj.a.b.c); // 4
+ *
+ * @example
+ * // Set a value in an array
+ * const arr = [1, 2, 3];
+ * set(arr, 1, 4);
+ * console.log(arr[1]); // 4
+ *
+ * @example
+ * // Create non-existent path and set value
+ * const obj = {};
+ * set(obj, 'a.b.c', 4);
+ * console.log(obj); // { a: { b: { c: 4 } } }
+ */
+declare function set<R>(object: object, path: PropertyPath, value: any): R;
+//#endregion
+export { set };