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/flowRight.mjs

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+import { flow } from "./flow.mjs";
+//#region src/function/flowRight.ts
+/**
+* Creates a new function that executes the given functions in sequence from right to left. The return value of the previous function is passed as an argument to the next function.
+*
+* The `this` context of the returned function is also passed to the functions provided as parameters.
+*
+* This method is like `flow` except that it creates a function that invokes the given functions from right to left.
+*
+* @param funcs The functions to invoke.
+* @returns Returns the new composite function.
+*
+* @example
+* const add = (x: number, y: number) => x + y;
+* const square = (n: number) => n * n;
+*
+* const combined = flowRight(square, add);
+* console.log(combined(1, 2)); // 9
+*/
+function flowRight(...funcs) {
+	return flow(...funcs.reverse());
+}
+//#endregion
+export { flowRight };