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/recharts/lib/animation/timeoutController.js

@@ -0,0 +1,54 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.RequestAnimationFrameTimeoutController = void 0;
+/**
+ * Callback type for the timeout function.
+ * Receives current time as an argument.
+ */
+
+/**
+ * A function that, when called, cancels the timeout.
+ *
+ * @since 3.9
+ */
+
+/**
+ * TimeoutController is responsible for controlling the movement of time.
+ * Think of it as a clock.
+ *
+ * Recharts default implementation uses requestAnimationFrame which works great in a browser.
+ * You may choose to override this which is especially useful if you want to control animations.
+ *
+ * Why would you want to do this?
+ * - unit tests
+ * - animations based on something other than time: UI controls, page scroll, mouse movement ...
+ *
+ * @see {@link https://recharts.github.io/en-US/guide/animations/ Animation guide}
+ *
+ * @since 3.9
+ */
+
+class RequestAnimationFrameTimeoutController {
+  setTimeout(callback) {
+    var delay = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
+    var startTime = performance.now();
+    var requestId = null;
+    var executeCallback = now => {
+      if (now - startTime >= delay) {
+        callback(now);
+      } else {
+        requestId = requestAnimationFrame(executeCallback);
+      }
+    };
+    requestId = requestAnimationFrame(executeCallback);
+    return () => {
+      if (requestId != null) {
+        cancelAnimationFrame(requestId);
+      }
+    };
+  }
+}
+exports.RequestAnimationFrameTimeoutController = RequestAnimationFrameTimeoutController;