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/math/clamp.d.mts

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+//#region src/math/clamp.d.ts
+/**
+ * Clamps a number within the inclusive upper bound.
+ *
+ * This function takes a number and a maximum bound, and returns the number clamped within the specified upper bound.
+ * If only one bound is provided, it returns the minimum of the value and the bound.
+ *
+ * @param value - The number to clamp.
+ * @param maximum - The maximum bound to clamp the number.
+ * @returns The clamped number within the specified upper bound.
+ *
+ * @example
+ * const result1 = clamp(10, 5); // result1 will be 5, as 10 is clamped to the bound 5
+ */
+declare function clamp(value: number, maximum: number): number;
+/**
+ * Clamps a number within the inclusive lower and upper bounds.
+ *
+ * This function takes a number and two bounds, and returns the number clamped within the specified bounds.
+ *
+ * @param value - The number to clamp.
+ * @param minimum - The minimum bound to clamp the number.
+ * @param maximum - The maximum bound to clamp the number.
+ * @returns The clamped number within the specified bounds.
+ *
+ * @example
+ * const result2 = clamp(10, 5, 15); // result2 will be 10, as it is within the bounds 5 and 15
+ * const result3 = clamp(2, 5, 15); // result3 will be 5, as 2 is clamped to the lower bound 5
+ * const result4 = clamp(20, 5, 15); // result4 will be 15, as 20 is clamped to the upper bound 15
+ */
+declare function clamp(value: number, minimum: number, maximum: number): number;
+//#endregion
+export { clamp };