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/math/parseInt.d.mts

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+//#region src/compat/math/parseInt.d.ts
+/**
+ * Converts `string` to an integer of the specified radix. If `radix` is undefined or 0, a `radix` of 10 is used unless `string` is a hexadecimal, in which case a `radix` of 16 is used.
+ *
+ * @param string The string to convert to an integer.
+ * @param radix The radix to use when converting the string to an integer. Defaults to `0`.
+ * @param guard Enables use as an iteratee for methods like `Array#map`.
+ * @returns Returns the converted integer.
+ *
+ * @example
+ * parseInt('08'); // => 8
+ * parseInt('0x20'); // => 32
+ *
+ * parseInt('08', 10); // => 8
+ * parseInt('0x20', 16); // => 32
+ *
+ * ['6', '08', '10'].map(parseInt); // => [6, 8, 10]
+ */
+declare function parseInt(string: string, radix?: number): number;
+//#endregion
+export { parseInt };