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/SetGraphicalItem.js

@@ -0,0 +1,66 @@
+import { memo, useLayoutEffect, useRef } from 'react';
+import { useAppDispatch } from './hooks';
+import { addCartesianGraphicalItem, addPolarGraphicalItem, removeCartesianGraphicalItem, removePolarGraphicalItem, replaceCartesianGraphicalItem, replacePolarGraphicalItem } from './graphicalItemsSlice';
+var SetCartesianGraphicalItemImpl = props => {
+  var dispatch = useAppDispatch();
+  var prevPropsRef = useRef(null);
+  useLayoutEffect(() => {
+    if (prevPropsRef.current === null) {
+      dispatch(addCartesianGraphicalItem(props));
+    } else if (prevPropsRef.current !== props) {
+      dispatch(replaceCartesianGraphicalItem({
+        prev: prevPropsRef.current,
+        next: props
+      }));
+    }
+    prevPropsRef.current = props;
+  }, [dispatch, props]);
+  useLayoutEffect(() => {
+    return () => {
+      if (prevPropsRef.current) {
+        dispatch(removeCartesianGraphicalItem(prevPropsRef.current));
+        /*
+         * Here we have to reset the ref to null because in StrictMode, the effect will run twice,
+         * but it will keep the same ref value from the first render.
+         *
+         * In browser, React will clear the ref after the first effect cleanup,
+         * so that wouldn't be an issue.
+         *
+         * In StrictMode, however, the ref is kept,
+         * and in the hook above the code checks for `prevPropsRef.current === null`
+         * which would be false so it would not dispatch the `addCartesianGraphicalItem` action again.
+         *
+         * https://github.com/recharts/recharts/issues/6022
+         */
+        prevPropsRef.current = null;
+      }
+    };
+  }, [dispatch]);
+  return null;
+};
+export var SetCartesianGraphicalItem = /*#__PURE__*/memo(SetCartesianGraphicalItemImpl);
+var SetPolarGraphicalItemImpl = props => {
+  var dispatch = useAppDispatch();
+  var prevPropsRef = useRef(null);
+  useLayoutEffect(() => {
+    if (prevPropsRef.current === null) {
+      dispatch(addPolarGraphicalItem(props));
+    } else if (prevPropsRef.current !== props) {
+      dispatch(replacePolarGraphicalItem({
+        prev: prevPropsRef.current,
+        next: props
+      }));
+    }
+    prevPropsRef.current = props;
+  }, [dispatch, props]);
+  useLayoutEffect(() => {
+    return () => {
+      if (prevPropsRef.current) {
+        dispatch(removePolarGraphicalItem(prevPropsRef.current));
+        prevPropsRef.current = null;
+      }
+    };
+  }, [dispatch]);
+  return null;
+};
+export var SetPolarGraphicalItem = /*#__PURE__*/memo(SetPolarGraphicalItemImpl);