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/es6/state/RechartsStoreProvider.js

@@ -0,0 +1,45 @@
+import * as React from 'react';
+import { useRef } from 'react';
+import { Provider } from 'react-redux';
+import { createRechartsStore } from './store';
+import { useIsPanorama } from '../context/PanoramaContext';
+import { RechartsReduxContext } from './RechartsReduxContext';
+export function RechartsStoreProvider(_ref) {
+  var preloadedState = _ref.preloadedState,
+    children = _ref.children,
+    reduxStoreName = _ref.reduxStoreName;
+  var isPanorama = useIsPanorama();
+  /*
+   * Why the ref? Redux official documentation recommends to use store as a singleton,
+   * and reuse that everywhere: https://redux-toolkit.js.org/api/configureStore#basic-example
+   *
+   * Which is correct! Except that is considering deploying Redux in an app.
+   * Recharts as a library supports multiple charts on the same page.
+   * And each of these charts needs its own store independent of others!
+   *
+   * The alternative is to have everything in the store keyed by the chart id.
+   * Which would make working with everything a little bit more painful because we need the chart id everywhere.
+   */
+  var storeRef = useRef(null);
+
+  /*
+   * Panorama means that this chart is not its own chart, it's only a "preview"
+   * being rendered as a child of Brush.
+   * In such case, it should not have a store on its own - it should implicitly inherit
+   * whatever data is in the "parent" or "root" chart.
+   * Which here is represented by not having a Provider at all. All selectors will use the root store by default.
+   */
+  if (isPanorama) {
+    return children;
+  }
+  if (storeRef.current == null) {
+    storeRef.current = createRechartsStore(preloadedState, reduxStoreName);
+  }
+
+  // @ts-expect-error React-Redux types demand that the context internal value is not null, but we have that as default.
+  var nonNullContext = RechartsReduxContext;
+  return /*#__PURE__*/React.createElement(Provider, {
+    context: nonNullContext,
+    store: storeRef.current
+  }, children);
+}